Engineering Solutions

Elements

Elements

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Elements

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Elements are FE idealizations for a portion of a physical part. Each element has an associated element configuration. An element configuration determines how to draw, store, and work with the element. The following element configurations are supported:

0D Element Types

Mass

Rigid Element Types

RBE3

Rigid

Rigidlink

1D Element Types

Bar2

Bar3

Gap

Joint

Plot

Rod

Spring

Spring2N

Spring3N

Spring4N

Weld

2D Element Types

Quad4

Quad8

Tria3

Tria6

3D Element Types

Hex8

Hex20

Penta6

Penta15

Pyramid5

Pyramid13

Tetra4

Tetra10

Interface Element Types

Master3

Master4

Slave1

Slave3

Slave4

 

Solver Card Support for Elements


hmtoggle_arrow1RADIOSS

The supported RADIOSS cards in RADIOSS 100 are listed below. To create these cards, right-click in the Solver browser and select Create Cards from the context menu.

Supported Cards

Solver Description

Supported Elem Types

Notes

/ADMAS

Describes the added masses.

Mass

 

/BEAM

Describes the beam elements.

Bar

 

/BRIC20

Describes 3D solid elements.

Hex20

 

/BRICK

Defines a Hexahedral Solid Element and Thick Shell Element with 8 nodes.

Hex8, Penta6, Pyramid5, Tetra4

 

/CYL_JOINT

Describes the cylindrical joints.

Rigid

 

/QUAD

Describes the 2D solid elements.

Quad4

 

/RBE2

Ties degree of freedom of multiple nodes to one node with option to choose the degree freedom that need to be tied.

Rigid

 

/RBE3

Ties degree of freedom of one node to multiple nodes.

RBE3

 

/RBODY

Describes the rigid bodies.

Rigid

 

/RLINK

Describes the rigid links.

Rigid

 

/SHELL

Describes the 4 node shell elements.

Quad4

 

/SH3N

Describes the 3 node shell elements

Tria3

 

/SPHCEL

Describes the SPH cells.

Mass

 

/SPRING2N

Describes the 2-noded spring elements.

Spring2N

 

/SPRING3N

Describes the 3-noded spring elements.

Spring3N

 

/SRPING4N

Describes the 4-noded spring elements.

Spring4N

 

/TETRA4

Describes the 4-noded tetra elements

Tetra4

 

/TETRA10

Describes the 10-noded tetra elements

Tetra10

 

/TRUSS

Describes the truss elements.

Rod

 

hmtoggle_arrow1OptiStruct

Most OptiStruct structural elements used in finite element analysis solution sequences are supported as elements in the interface.

Supported Cards

Solver Description

Supported Elem Types

Notes

BMFACE

Defines quad or tria faces that are in turn used to define a barrier to limit the total deformation for free-shape design regions.

Tria3

Quad4

 

CAABSF

Defines a frequency-dependent acoustic absorber element in coupled fluid-structural analysis.

Mass

Rod

Tria3

Quad4

 

CBAR

Defines a simple beam element.

Bar2

 

CBEAM

Defines a beam element (BEAM) of the structural model.

Bar2

 

CBUSH

Defines a generalized spring-damper structural element.

Spring

 

CBUSH1D

Defines a one-dimensional spring-damper structural element.

Mass

Spring

 

CDAMP1

Defines a scalar damper element.

Spring

Mass

Represented as a spring element type or as a mass element type (grounded CDAMP1).

CDAMP2

Defines a scalar damper element, without reference to a property.

Spring

Mass

Represented as a spring element type or as a mass element type (grounded CDAMP2).

CDAMP3

Defines a scalar damper element that is connected only to scalar points.

Spring

Mass

Represented as a spring element type or as a mass element type (when a coordinate is constrained).

CDAMP4

Defines a scalar damper element that is connected only to scalar points and is without reference to a material or property entry.

Spring

Mass

Represented as a spring element type or as a mass element type (when a coordinate is constrained).

CELAS1

Defines a scalar spring element of the structural model.

Spring

Mass

Represented as a spring element type or as a mass element type (grounded CELAS1).

CELAS2

Defines a scalar spring element of the structural model without reference to a property entry.

Spring

Mass

Represented as a spring element type or as a mass element type (grounded CELAS2).

Exported in large field format by optistructlf template.

CELAS3

Defines a scalar spring element that connects only to scalar points.

Spring

Mass

Represented as a spring element type or as a mass element type (when a coordinate is constrained).

CELAS4

Defines a scalar spring element that is connected only to scalar points without reference to a property entry.

Spring

Mass

Represented as a spring element type or as a mass element type (when a coordinate is constrained).

CFAST

Defines a fastener with material orientation connecting two shell surfaces.

Mass

Rod

Represented as a mass or rod element type, depending on fastener configuration.

CGAP

Defines a gap or friction element.

Gap

The type of gap elements (either CGAP or CGAPG) is automatically determined based on whether the element is node-to-node or node-to-elem.

CGAPG

Defines a node-to-obstacle gap element.  The obstacle may be an element face or a patch of nodes.

Gap

Mass

The type of gap elements (either CGAP or CGAPG) is automatically determined based on whether the element is node-to-node or node-to-elem.

CGASK6

Defines a five-sided Solid Gasket Element with Six Grid Nodes.

Penta6

 

CGASK8

Defines a aix-sided Solid Gasket Element with Eight Grid Nodes.

Hex8

 

CGASK12

Defines a five-sided Solid Gasket Element with twelve Grid Nodes.

Penta15

 

CGASK16

Defines a six-sided Solid Gasket Element with sixteen Grid Nodes.

Hex20

 

CHACAB

Defines the acoustic absorber element in coupled fluid-structural analysis

Hex8

 

CHBDYE

Defines a surface element for application of thermal boundary condition.

Slave1

Defined using the Interfaces panel with the CONDUCTION or CONVECTION type.

CHEXA  (8-noded)

Defines a first order solid element, composed of 6 quadrilateral faces.

Hex8

 

CHEXA (20-noded)

Defines a second order solid element, composed of 6 quadrilateral faces.

Hex20

A second order element with missing mid-side nodes can be defined in OptiStruct.  Input data decks containing such elements are read by the translator as a first-order element.  A message is written to the OptiStruct.msg file indicating the corresponding element ID.

CMASS1

Defines a scalar mass element.

Spring

Mass

Represented as a spring element type or as a mass element type (grounded CMASS1).

CMASS2

Defines a scalar mass element without reference to a property entry.

Spring

Mass

Represented as a spring element type or as a mass element type (grounded CMASS2).

CMASS3

Defines a scalar mass element that is connected only to scalar points.

Spring

Mass

Represented as a spring element type or as a mass element type (when a coordinate is constrained).

CMASS4

Defines a scalar mass element that is connected only to scalar points and is without reference to a property.

Spring

Mass

Represented as a spring element type or as a mass element type (when a coordinate is constrained).

CMBEAM

Defines a beam element for multi-body dynamics solution sequence without reference to a property entry.

Bar2

 

CMBUSH

Defines a bushing element without reference to a property entry.

Spring

 

CMBUSHC

 

Spring

 

CMBUSHE

 

Spring

 

CMBUSHT

 

Spring

 

CMSPDP

Defines a spring damper element without reference to a property entry for multi-body solution sequence.

Spring

 

CMSPDPC

Defines a spring damper element without reference to a property entry for multi-body solution sequence.

Spring

 

CMSPDPE

Defines a spring damper element without reference to a property entry for multi-body solution sequence.

Spring

 

CMSPDPT

Defines a spring damper element without reference to a property entry for multi-body solution sequence.

Spring

 

CONM1

Defines a 6x6 mass matrix at a geometric grid point.

Mass

 

CONM2

Defines a concentrated mass at a grid point of the structural model.

Mass

Exported in large field format by optistructlf template.

CONROD

Defines a rod element without reference to a property entry.

Rod

 

CONV

Specifies a free convection boundary condition for heat transfer analysis.

Slave1

Represented as a continuation to CHBDYE slave element card.

CPENTA  (6-noded)

Defines a first order solid element, composed of 3 quadrilateral and 2 triangular faces.

Penta6

 

CPENTA  (15-noded)

Defines a second order solid element, composed of 3 quadrilateral and 2 triangular faces.

Penta15

A second order element with missing mid-side nodes can be defined in OptiStruct.  Input data decks containing such elements are read by the translator as a first-order element.  A message is written to the OptiStruct.msg file indicating the corresponding element ID.

CPYRA (5-noded)

Defines a first order solid element, composed of 1 quadrilateral and 4 triangular faces.

Pyramid5

 

CPYRA (13-noded)

Defines a second order solid element, composed of 1 quadrilateral and 4 triangular faces.

Pyramid13

A second order element with missing mid-side nodes can be defined in OptiStruct.  Input data decks containing such elements are read by the translator as a first-order element.  A message is written to the OptiStruct.msg file indicating the corresponding element ID.

CQUADR

Quadrilateral Element Connection

Quad4

 

CQUAD4

Defines a quadrilateral plate element (QUAD4) of the structural model.

Quad4

 

CQUAD8

Defines a curved quadrilateral shell element with eight grid points.

Quad8

 

CROD

Defines a tension-compression element (ROD) of the structural model.

Rod

 

CSHEAR

Defines a shear panel element.

Quad4

 

CTAXI

Defines an axisymmetric triangular cross-section ring element for use in linear analysis.

Tria3

 

CTETRA  (4-noded)

Defines a first order solid element, composed of 4 triangular faces.

Tetra4

 

CTETRA  (10-noded)

Defines a second order solid element, composed of 4 triangular faces.

Tetra10

A second order element with missing mid-side nodes can be defined in OptiStruct.  Input data decks containing such elements are read by the translator as a first-order element.  A message is written to the OptiStruct.msg file indicating the corresponding element ID.

CTRIAR

Defines triangular element connections.

Tria3

 

CTRIAX6

Defines an axisymmetric triangular cross-section ring element for use in linear analysis.

Tria6

 

CTRIA3

Defines a triangular plate element (TRIA3) of the structural model.

Tria3

 

CTRIA6

Defines a second order triangular element.

Tria6

 

CTUBE

Defines a tension-compression-torsion element (TUBE) of the structural model.

Rod

 

CVISC

Defines a viscous damper element.

Spring

Represented as a spring element type.

CWELD

Defines a weld or fastener connecting two surface patches or points.

Mass

Rod

Represented as a rod element type.

DHEXA8

 

Hex8

 

DQUAD4

 

Quad4

 

DPENTA6

 

 

 

DTETRAA4

 

Tetra4

 

DTRIA3

 

Tria3

 

HMSPRING

Defines a spring element, which is converted to OptiStruct entities on export, in a manner similar to that explained in Using HM_ELAS.

Spring

 

JOINT

Defines a joint used in multi-body dynamics.

Joint

 

PLOTEL

Defines a one-dimensional dummy element for use in plotting.

Plot

 

PLOTEL3

Defines a three-noded, two-dimensional dummy element for use in plotting.

Tria

Quad4

 

PLOTEL4

Defines a four-noded, two-dimensional dummy element for use in plotting.

Tria

Quad4

 

QBDY1

Defines a uniform heat flux for CHBDYE elements.

Flux

 

RBAR

Defines a rigid bar with 6 degrees of freedom at each end.

Weld

 

RBE2

Defines a rigid body whose independent degrees of freedom are specified at a single grid point and whose dependent degrees of freedom are specified at an arbitrary number of grid points.

Rigid

RigidLink

An RBE2 element with one dependent node is represented as a rigid element type, while an element with multiple dependent nodes is represented as a rigid link element type.

RBE3

Defines the motion at a "reference" grid point as the weighted average of the motions at a set of other grid points.

Rbe3

 

RROD

Defines a pin-ended rod that is rigid in extension.

Rod

 

hmtoggle_arrow1Abaqus

Supported Cards

Solver Description

Supported Elem Types

Supported Parameters

*COUPLING

Define a surface-based coupling constraint where the *SURFACE card points to nodes.

Rigid

COUP_KIN

*COUPLING with element-based *SURFACE cards are defined as groups

*ELEMENT

Define elements by giving their nodes.

 

TYPE and ELSET

 

 

Mass

CONN2D2, DASHPOT1, HMCONN, ITT21, MASS, ROTARYI, SPRING1

 

 

Rigid

BEAM, COUP_KIN, KINCOUP, LINK, PIN, R2D2, RAX2, RB2D2, RDE, TIE

 

 

RBE3

COUP_DIS, DCOUP2D, RDE

 

 

Spring

DASHPOT2, DASHPOTA, JOINTC, SPRING2, SPRINGA

 

 

Bar2

AC1D2, B21, B21H, B23, B23H, F2D2, FAX2, PIPE21, PIPE21H, SAX1

 

 

Bar3

AC1D3, B22, B22H, PIPE22, PIPE22H, SAX2

 

 

Rod

CONN2D2, DC1D2, GK2D2, GK2D2N, MGAX1, SFMAX1, SFMGAX1, T2D2, T2D2E, T2D2H, T2D2T

 

 

Gap

GAPCYL, GAPSPHER, GAPUNI

 

 

Tria3

AC2D3, ACAX3, CAX3, CAX3E, CAX3H, CAX3T, CGAX3, CGAX3H, CPE3, CPE3E, CPE3H, CPS3, CPS3E, DC2D3, DC2D3E, DCAX3, DCAX3E

 

 

Quad4

AC2D4, ACAX4, CAX4, CAX4E, CAX4H, CAX4HT, CAX4I, CAX4IH, CAX4R, CAX4RH, CAX4T, CAXA41, CAXA4H1, CAXA4R1, CAXA4RH1, CGAX4, CGAX4H, CGAX4R, CGAX4RH, COH2D4, COHAX4, CPE4, CPE4E, CPE4H, CPE4HT, CPE4I, CPE4IH, CPE4P, CPE4PH, CPE4R, CPE4RH, CPE4RP, CPE4RPH, CPE4T, CPS4, CPS4E, CPS4I, CPS4R, CPS4T, DC2D4, DC2D4E, DCAX4, DCAX4E, DCCAX4, DCCAX4D, GKPE4, GKPS4, GKPS4N

 

 

Tria6

 

AC2D6, ACAX6, CAX6, CAX6H, CAX6M, CAX6MH, CGAX6, CGAX6H, CPE6, CPE6H, CPE6M, CPE6MH, CPE6MP, CPE6MPH, CPS6, CPS6M, DC2D6, DC2D6E, DCAX6, DCAX6E

 

 

Quad8

AC2D8, ACAX8, CAX8, CAX8H, CAX8HT, CAX8R, CAX8RH, CAX8RHT, CAX8RT, CAX8T, CAXA81, CAXA8H1, CAXA8P1, CAXA8R1, CAXA8RH1, CAXA8RP1, CGAX8, CGAX8H, CGAX8R, CGAX8RH, CGAX8T, CGE8P, CPE8, CPE8H, CPE8PH, CPE8R, CPE8RH, CPE8RP, CPE8RPH, CPS8, CPS8R, DC2D8, DC2D8E, DCAX8, DCAX8E

*ELGEN

Generate elements incrementally.

N/A

Note: These cards are resolved to individual entities on import and are written back on export the same way.

*KINEMATIC
COUPLING

Constrain all or specific degrees of freedom of a set of nodes to the rigid body motion of a reference node.

Rigid

KINCOUP

*MPC

Define multi-point constraints.

Rigid

BEAM, LINK, PIN, TIE

*RELEASE

Release rotational degrees of freedom at one or both ends of a beam element.

Bar2/Bar3

See Note**

 

Supported Cards

Solver Description

Supported Elem Types

Supported Parameters

*COUPLING

Define a surface-based coupling constraint.

Rigid

COUP_KIN, COUP_DIS

*ELEMENT

Define elements by giving their nodes.

 

TYPE and ELSET

 

 

Mass

CONN3D2, DASHPOT1, HMCONN, ITT31, MASS, ROTARYI, SPRING1

 

 

Rigid

BEAM, COUP_KIN, KINCOUP, LINK, PIN, RB3D2, RDE, TIE

 

 

RBE3

COUP_DIS, DCOUP3D, RDE

 

 

Spring

DASHPOT2, DASHPOTA, JOINTC, SPRING2, SPRINGA

 

 

Bar2

AC1D2, B31, B31H, B31OS, B31OSH, B33, B33H, ELBOW31, ELBOW31B, ELBOW31C, GK3D2, GK3D2N, PIPE31, PIPE31H

 

 

Bar3

AC1D3, B32, B32H, B32OS, B32OSH, ELBOW32, MGAX2, PIPE32, PIPE32H, SFMAX2, SFMGAX2

 

 

Rod

CONN3D2, MGAX1, SFMAX1, SFMGAX1, T3D2, T3D2E, T3D2H, T3D2T

 

 

Gap

GAPCYL, GAPSPHER, GAPUNI

 

 

Tria3

ACIN3D3, DS3, F3D3, M3D3, R3D3, S3, S3R, S3RT, SFM3D3, STRI3

 

 

Quad4

ACIN3D4, DS4, F3D4, GK3D4L, GK3D4LN, M3D4, M3D4R, R3D4, S4, S4R, S4R5, S4RT, SFM3D4, SFM3D4R

 

 

Tria6

DS6, M3D6, SFM3D6, STRI65

 

 

Quad8

DS8, M3D8, M3D8R, S8R, S8R5, S8RT, SFM3D8, SFM3D8R

 

 

Tetra4

AC3D4, C3D4, C3D4E, C3D4H, C3D4T, DC3D4, DC3D4E, FC3D4

 

 

Pyramid5

C3D6, C3D6E, C3D6H, C3D8, C3D8E, C3D8H, C3D8HT, C3D8I, C3D8IH, C3D8R, C3D8RH, C3D8RHT, C3D8RT, C3D8T, FC3D5

 

 

Penta6

AC3D6, C3D6, C3D6E, C3D6H, C3D6T, C3D8, C3D8R, COH3D6, DC3D6, DC3D6E, FC3D6, GK3D12M, GK3D12MN, GK3D6, GK3D6N, SC6R, SC6RT

 

 

Hex8

 

AC3D8, C3D8, C3D8E, C3D8H, C3D8HT, C3D8I, C3D8IH, C3D8P, C3D8PH, C3D8R, C3D8RH, C3D8RHT, C3D8RP, C3D8RPH, C3D8RT, C3D8T, CCL12, COH3D8, DC3D8, DC3D8E, DCC3D8, DCC3D8D, FC3D8, GK3D18, GK3D18N, GK3D8, GK3D8N, SC8R, SC8RT

 

 

Tetra10

 

AC3D10, C3D10, C3D10E, C3D10H, C3D10I, C3D10M, C3D10MH, C3D10MP, C3D10MPH, C3D10MT, DC3D10, DC3D10E

 

 

Pyramid13

 

C3D20, C3D20H, C3D15, C3D15E, C3D15H, C3D20, C3D20E, C3D20H, C3D20HT, C3D20R, C3D20RE, C3D20RH, C3D20RHT, C3D20RT, C3D20T

 

 

Penta15

AC3D15, C3D15, C3D15E, C3D15H, C3D20, C3D20R, DC3D15, DC3D15E

 

 

Hex20

AC3D20, C3D20, C3D20E, C3D20H, C3D20HT, C3D20P, C3D20PH, C3D20R, C3D20RE, C3D20RH, C3D20RHT, C3D20RP, C3D20RPH, C3D20RT, C3D20T, DC3D20, DC3D20E

*KINEMATIC
COUPLING

Constrain all or specific degrees of freedom of a set of nodes to the rigid body motion of a reference node.

Rigid

KINCOUP

*MPC

Define multi-point constraints.

Rigid

BEAM, LINK, PIN, TIE

*RELEASE

Release rotational degrees of freedom at one or both ends of a beam element.

Bar2/Bar3

See Note**

Supported Cards

Solver Description

Supported Elem Types

Supported Parameters

*COUPLING

Define a surface-based coupling constraint.

Rigid

COUP_KIN

*ELEMENT

Define elements by giving their nodes.

 

TYPE and ELSET

 

 

Mass

CONN2D2, CONN3D2, HMCONN, MASS, PC3D, ROTARYI

 

 

Rigid

BEAM, COUP_KIN, LINK, PIN, R2D2, RAX2, RDE, TIE

 

 

RBE3

COUP_DIS, RDE

 

 

Spring

DASHPOTA, SPRINGA

 

 

Bar2

B21, B31, F2D2, FAX2, SAX1

 

 

Bar3

B22, B32

 

 

Rod

CONN2D2, CONN3D2, T2D2, T3D2

 

 

Tria3

AC2D3, ACAX3, ACIN3D3, CAX3, CAX3T, CPE3, CPS3, F3D3, M3D3, R3D3, S3, S3R, S3RS, S3RT, SFM3D3

 

 

Quad4

ACIN3D4, CAX4R, COH2D4, COHAX4, CPE4R, CPS4R, F3D4, M3D4, M3D4R, R3D4, S4, S4R, S4RS, S4RSW, S4RT, SFM3D4R

 

 

Tetra4

AC3D4, C3D4, C3D4T, FC3D4

 

 

Pyramid5

C3D6, C3D8, C3D8I, C3D8R, C3D8RHT, C3D8RT, C3D8T, FC3D5

 

 

Penta6

AC3D6, C3D6, C3D6T, C3D8, C3D8R, COH3D6, FC3D6, SC6R, SC6RT

 

 

Hex8

AC3D8R, C3D8, C3D8I, C3D8R, C3D8RHT, C3D8RT, C3D8T, COH3D8, EC3D8R, FC3D8, SC8R, SC8RT

 

 

Tetra10

C3D10M, C3D10MT

*MPC

Define multi-point constraints

Rigid

BEAM, LINK, PIN, TIE

*RELEASE

Release rotational degrees of freedom at one or both ends of a beam element

Bar2/Bar3

See Note**

Note**

To add a *RELEASE card to this element, click pins a = and pins b = and type in the HyperMesh dof code for the Abaqus release combination code you want from the following table:

HyperMesh dof Code

Abaqus Release Combination Code

4

T

5

M2

45

M2-T

6

M1

46

M1-T

56

M1-M2

456

ALLM

Note:

For 2D problems, only dof6 (M1) is active.

hmtoggle_arrow1ANSYS

Supported Cards

Solver Description

Supported Elem Types

Notes

BEAM3

2D Elastic Beam

Bar2

Config 60, Type 2

BEAM4

3D Elastic Beam

Bar2

Config 60, Type 1

BEAM23

2D Plastic Beam

Bar2

Config 60, Type 9

BEAM24

3D Thin-walled Beam

Bar2

Config 60, Type 6

BEAM44

3D Elastic Tapered Unsymmetric Beam

Bar2

Config 60, Type 7

BEAM54

2D Elastic Tapered Unsymmetric Beam

Bar2

Config 60, Type 10

BEAM188

3D Linear Finite Strain Beam

Bar2

Config 60, Type 8

BEAM189

3D Quadratic Finite Strain Beam

Bar3

Config 63, Type 1

CERIG

Ldof, Ldof2, Ldof3, Ldof4, Ldof5

Rigid

Defines a rigid region.

Config 5, Type 1, 2

CIRCU124

General circuit element applicable to circuit simulation

Rod

 

COMBIN14

Spring-Damper

Spring

Config 21, Type 1

COMBIN39

Nonlinear Spring

Spring

Config 21, Type 2

COMBIN40

Combination

Spring

Config 21, Type 3

CONTA171

2D 2-Node Surface-to-Surface Contact

Plot

Config 2, Type 3

CONTA172

2D 3-Node Surface-to-Surface Contact

Bar3

Config 63, Type 12

CONTA173

3D 4-Node Surface-to-Surface Contact

Tria3

Quad4

Config 103, Type 13

Config 104, Type 13

CONTA174

3D 8-Node Surface-to-Surface Contact

Tria6

Quad 8

Config 106, Type 10

Config 108, Type 10

CONTA175

2D/3D Node-to-Surface Contact

Mass

Config 1, Type 14

CONTA177

3D Line-to-Surface Contact

Bar2

Bar3

 

CONTA178

3D Node-to-Node Contact

Gap

Config 70, Type 3

CONTAC12

2D Point-to-Point Contact

Gap

Config 70, Type 2

CONTAC48

 

Tria3

 

CONTAC49

 

Tria3

Quad4

 

CONTAC52

3D Point-to-Point Contact

Gap

Config 70, Type 1

CP

Defines (or modifies) a set of coupled degrees of freedom.

Rigid

Config 55, Type 1, 2

CP_ELEC

 

Rigid

 

CP_STRUC

 

Rigid

 

CP_THERM

 

Rigid

 

ELBOW290

 

Bar3

 

FLUID29

2D Axisymmetric Harmonic Acoustic Fluid

Tria3

Quad4

 

FLUID30

3D Acoustic Fluid

Tetra4

Penta6

Hex8

 

FLUID80

3D Contained Fluid

Hex8

Config 208, Type 9

FLUID116

Coupled Thermal-Fluid Pipe

Rod

Config 61, Type 12

FLUID220

 

Hex20

Penta15

Pyramid13

Tetra10

 

FLUID221

 

Tetra10

 

HF118

2D High-Frequency Quadrilateral Solid

Tria6

Quad8

Config 106, Type 25

Config 108, Type 25

HF119

3D High-Frequency Tetrahedral Solid

Tetra10

Config 210, Type 11

HF120

3D High-Frequency Brick Solid

Pyramid13

Penta15

Hex20

Config 213, Type 3

Config 215, Type 3

Config 220, Type 3

HYPER58

3D 8-Node Mixed u-P Hyperelastic Solid

Tetra4

Penta6

Hex8

Config 204, Type 11

Config 206, Type 11

Config 208, Type 11

INFIN9

 

Rod

 

INFIN110

 

QUAD4

QUAD8

 

INTER192

 

Quad4

Tria3

 

INTER193

 

Quad8

 

INTER194

 

Hex20

Penta15

 

INTER195

 

Hex8

Penta6

 

INTER205

 

Hex8

Penta6

 

LINK1

2D Spar (or Truss)

Rod

Config 61, Type 5

LINK8

3D Spar (or Truss)

Rod

Config 61, Type 1

LINK10

Tension-only or Compression-only Spar

Rod

Config 61, Type 2

LINK11

Linear actuator

Bar2

Config 61, Type 25

LINK31

Radiation Link

Rod

Config 61, Type 6

LINK32

2D Conduction Bar

Rod

Config 61, Type 7

LINK33

3D Conduction Bar

Rod

Config 61, Type 8

LINK34

Convection Link

Rod

Config 61, Type 9

LINK68

Coupled Thermal-Electric Line

Rod

Config 61, Type 14

LINK180

3D Finite Strain Spar (or Truss)

Rod

Config 61, Type 11

MASS21

Structural Mass

Mass

Config 1, Type 1

MASS71

Thermal Mass

Mass

Config 1, Type 2

MESH200

Meshing Facet

Bar3

Rod

Tria3

Tetra4

Tetra10

Quad4

Hex8

Tria6

Quad8

Hex20

Config 63, Type 26

Config 61, Type 26

Config 103, Type 26

Config 204, Type 26

Config 210, Type 26

Config 104, Type 26

Config 208, Type 26

Config 106, Type 26

Config 108, Type 26

Config 220, Type 26

MPC184

Multipoint Constraint Elements: Rigid Link, Rigid Beam, Slider, Spherical, Revolute, Universal

Rod

Config 61, Type 13

PIPE16

Elastic Straight Pipe

Bar2

Config 60, Type 3

PIPE18

Elastic Curved Pipe (Elbow)

Bar2

Config 60, Type 4

PIPE20

Plastic Straight Pipe

Rod

Config 61, Type 4

PIPE60

Plastic Curved Pipe (Elbow)

Bar2

Config 60, Type 5

PIPE288

 

Bar2

 

PIPE289

 

Bar3

 

PLANE2

2D 6-Node Triangular Structural Solid

Tria6

Config 106, Type 21

PLANE13

2D Coupled-Field Solid

Tria3

Quad4

Config 103, Type 3

Config 104, Type 3

PLANE25

Axisymmetric-Harmonic 4-Node Structural Solid

Tria3

Quad4

Config 103, Type 6

Config 104, Type 6

PLANE35

2D 6-Node Triangular Thermal Solid

Tria6

Config 106, Type 7

PLANE42

2D Structural Solid

Tria3

Quad4

Config 103, Type 4

Config 104, Type 4

PLANE53

2D 8-Node Magnetic Solid

Tria6

Quad8

Config 106, Type 9

Config 108, Type 9

PLANE55

2D Thermal Solid

Tria3

Quad4

Config 103, Type 5

Config 104, Type 5

PLANE67

2D Coupled Thermal-Electric Solid

Tria3

Quad4

Config 103, Type 21

Config 104, Type 21

PLANE75

Axisymmetric-Harmonic 4-Node Thermal Solid

Tria3

Quad4

Config 103, Type 9

Config 104, Type 9

PLANE77

2D 8-Node Thermal Solid

Tria6

Quad8

Config 106, Type 2

Config 108, Type 2

PLANE78

Axisymmetric-Harmonic 8-Node Thermal Solid

Tria6

Quad8

Config 106, Type 8

Config 108, Type 8

PLANE82

2D 8-Node Structural Solid

Tria6

Quad8

Config 106, Type 1

Config 108, Type 1

PLANE83

Axisymmetric-Harmonic 8-Node Structural Solid

Tria6

Quad8

Config 106, Type 3

Config 108, Type 3

PLANE121

2D 8-Node Electrostatic Solid

Tria6

Quad8

Config 106, Type 22

Config 108, Type 22

PLANE145

2D Quadrilateral Structural Solid p-Element

Tria6

Quad8

Config 106, Type 23

Config 108, Type 23

PLANE146

 

Tria6

Config 106, Type 31

PLANE162

Explicit 2D Structural Solid

Tria3

Quad4

Config 103, Type 22

Config 104, Type 22

PLANE182

2D 4-Node Structural Solid

Tria3

Quad4

Config 103, Type 23

Config 104, Type 23

PLANE183

2D 8-Node Structural Solid

Tria6

Quad8

Config 106, Type 19

Config 108, Type 19

PLANE223

2D 8-Node Coupled-Field Solid

Tria6

Quad8

 

PRETS179

Define a 2D or 3D pretension section within a meshed structure

Bar2

Config 60, Type 17

RBE3

Distributes the force/moment applied at the master node to a set of slave nodes, taking into account the geometry of the slave nodes as well as weighting factors.

Rbe3

 

SHELL28

Shear/Twist Panel

Quad4

Config 104, Type 12

SHELL41

Membrane Shell

Tria3

Quad4

Config 103, Type 19

Config 104, Type 19

SHELL43

4-Node Plastic Large Strain Shell

Tria3

Quad4

Config 103, Type 2

Config 104, Type 2

SHELL51

Axisymmetric Structural Shell

Bar2

Config 60, Type 14

SHELL57

Thermal Shell

Tria3

Quad4

Config 103, Type 7

Config 104, Type 7

SHELL61

Axisymmetric-Harmonic Structural Shell

Bar2

Config 60, Type 15

SHELL63

Elastic Shell

Tria3

Quad4

Config 103, Type 1

Config 104, Type 1

SHELL91

Nonlinear Layered Structural Shell

Tria6

Quad8

Config 106, Type 6

Config 108, Type 6

SHELL93

8-Node Structural Shell

Tria6

Quad8

Config 106, Type 4

Config 108, Type 4

SHELL99

Linear Layered Structural Shell

Tria6

Quad8

Config 106, Type 5

Config 108, Type 5

SHELL131

4-Node Layered Thermal Shell

Tria3

Quad4

Config 103, Type 25

Config 104, Type 25

SHELL132

8-Node Layered Thermal Shell

Tria6

Quad8

Config 106, Type 24

Config 108, Type 24

SHELL143

4-Node Plastic Small Strain Shell

Tria3

Quad4

Config 103, Type 10

Config 104, Type 10

SHELL150

8-Node Structural Shell p-Element

Tria6

Quad8

Config 106, Type 20

Config 108, Type 20

SHELL157

Thermal-Electric Shell

Tria3

Quad4

Config 103, Type 20

Config 104, Type 20

SHELL163

Explicit Thin Structural Shell

Tria3

Quad4

Config 103, Type 17

Config 104, Type 17

SHELL181

4-Node Finite Strain Shell

Tria3

Quad4

Config 103, Type 11

Config 104, Type 11

SHELL208

2-Node Finite Strain Axisymmetric Shell

Bar2

 

SHELL209

3-Node Finite Strain Axisymmetric Shell

Bar2

 

SHELL281

8-Node Finite Strain Shell

Tria6

Quad8

 

SOLID5

3D Coupled-Field Solid

Penta6

Hex8

Config 206, Type 2

Config 208, Type 2

SOLID45

3D Structural Solid

Tetra4

Penta6

Hex8

Config 204, Type 1

Config 206, Type 1

Config 208, Type 1

SOLID46

3D 8-Node Layered Structural Solid

Tetra4

Penta6

Hex8

Config 204, Type 6

Config 206, Type 6

Config 208, Type 6

SOLID62

3D Magneto-Structural Solid

Tetra4

Pyramid5

Penta6

Hex8

Config 204, Type 15

Config 205, Type 15

Config 206, Type 15

Config 208, Type 15

SOLID64

3D Anisotropic Structural Solid

Tetra4

Penta6

Hex8

Config 204, Type 7

Config 206, Type 7

Config 208, Type 7

SOLID69

3D Coupled Thermal-Electric Solid

Tetra4

Penta6

Hex8

Config 204, Type 4

Config 206, Type 4

Config 208, Type 4

SOLID70

3D Thermal Solid

Tetra4

Penta6

Hex8

Config 204, Type 3

Config 206, Type 3

Config 208, Type 3

SOLID72

 

Tetra4

 

SOLID73

 

Tetra4

Penta6

Hex8

 

SOLID87

3D 10-Node Tetrahedral Thermal Solid

Tetra10

Config 210, Type 5

SOLID90

3D 20-Node Thermal Solid

Tetra10

Pyramid13

Penta15

Hex20

Config 210, Type 2

Config 213, Type 2

SOLID92

3D 10-Node Tetrahedral Structural Solid

Tetra10

Config 210, Type 3

SOLID95

3D 20-Node Structural Solid

Tetra10

Pyramid13

Penta15

Hex20

Config 210, Type 1

Config 213, Type 1

Config 215, Type 1

Config 220, Type 1

SOLID96

3D Magnetic Scalar Solid

Tetra4

Pyramid5

Penta6

Hex8

Config 204, Type 5

Config 205, Type 5

Config 206, Type 5

Config 208, Type 5

SOLID97

3D Magnetic Solid

Tetra4

Pyramid5

Penta6

Hex8

Config 204, Type 8

Config 205, Type 8

Config 206, Type 8

Config 208, Type 8

SOLID98

Tetrahedral Coupled-Field Solid

Tetra10

Config 210, Type 4

SOLID117

3D 20-Node Magnetic Solid

Tetra10

Pyramid13

Penta15

Hex20

Config 210, Type 8

Config 213, Type 8

Config 215, Type 8

Config 220, Type 8

SOLID147

3D Brick Structural Solid p-Element

Penta15

Hex20

 

SOLID148

3D Tetrahedral Structural Solid p-Element

Penta15

Tetra10

Hex20

Config 215, Type 9

Config 210, Type 9

Config 220, Type 9

SOLID164

Explicit 3D Structural Solid

Tetra4

Pyramid5

Penta6

Hex8

Config 204, Type 14

Config 205, Type 14

Config 206, Type 14

Config 208, Type 14

SOLID168

Explicit 3D 10-Node Tetrahedral Structural Solid

Tetra10

 

SOLID185

3D 8-Node Structural Solid

Tetra4

Penta6

Hex8

Config 204, Type 13

Config 206, Type 13

Config 208, Type 13

SOLID186

3D 20-Node Structural Solid

Tetra10

Pyramid13

Penta15

Hex20

Config 210, Type 7

Config 213, Type 7

Config 215, Type 7

Config 220, Type 7

SOLID187

3D 10-Node Tetrahedral Structural Solid

Tetra10

Config 210, Type 6

SOLID191

3D 20-Node Layered Structural Solid

Tetra10

Penta15

Hex20

Config 210, Type 10

Config 215, Type 10

Config 220, Type 10

SOLID226

3D 20-Node Coupled-Field Solid

Tetra10

Pyramid13

Penta15

Hex20

 

SOLID227

3D 10-Node Coupled-Field Solid

Tetra10

 

SOLID278

 

Hex8

Penta6

Tetra4

 

SOLID279

 

Hex20

Penta15

Pyramid13

Tetra10

 

SOLID285

 

Tetra4

 

SOLSH190

3D 8-Node Layered Solid Shell

Penta6

Hex8

Config 206

Config 208, Type 17

SURF151

2D Thermal Surface Effect

Bar2

Config 60, Type 12

SURF152

3D Thermal Surface Effect

Quad4

Quad8

Tria6

Config 104, Type 14

Config 108, Type 14

SURF153

2D Structural Surface Effect

Bar2

Bar3

Config 60, Type 16

Config 63, Type 16

SURF154

3D Structural Surface Effect

Quad4

Quad8

Tria6

Config 104, Type 18

Config 108, Type 18

SURF156

3D Structural Surface Line Load Effect

Bar3

 

SURF251

2D Radiosity Surface

Rod

Config 61, Type 25

SURF252

3D Radiosity Surface

Tria3

Quad4

Config 103, Type 36

Config 104, Type 36

TARGE169

2D Target Segment

Mass

Bar2

Bar3

Config 1, Type 13

Config 60, Type 9

Config 63, Type 16

TARGE170

3D Target Segment

Mass

Tria3

Quad4

Tria6

Quad8

Config 103, Type 16

 

Config 104, Type 16

Config 106, Type 16

Config 108, Type 16

VISCO88

2D 8-Node Viscoelastic Solid

Tria6

Quad8

 

VISCO107

3D 8-Node Viscoplastic Solid

Tetra4

Penta6

Hex8

Config 204, Type 16

Config 206, Type 16

Config 208, Type 16

hmtoggle_arrow1LS-DYNA

Supported Cards

Solver Description

Supported Elem Types

Notes

*CONSTRAINED_
GENERALIZED_WELD_
BUTT_(ID)

Define butt welds.

Rigid

Spot(default)/type 1, Fillet/type 2, and Butt/type 3 failure modes are supported.  Failure information is based on weld type selected.  Coordinate System ID can be selected.

No Failure/Type 0 Card 36 entities are defined as *CONSTRAINED_
NODAL_RIGID_BODIES in Keyword. They are a separate element type.

*CONSTRAINED_GENERALIZED_WELD_COMBINED_(ID)

Define combined welds.

Rigid

 

*CONSTRAINED_GENERALIZED_WELD_CROSS_FILLET_(ID)

Define cross fillet welds.

Rigid

 

*CONSTRAINED_
GENERALIZED_WELD_
FILLET_(ID)

Define fillet welds.

Rigid

 

*CONSTRAINED_
GENERALIZED_WELD_
SPOT_(ID)

Define spot welds.

Rigid

 

*CONSTRAINED_
INTERPOLATION

Define an interpolation constrain.

RBE3

 

*CONSTRAINED_JOINT_
CONSTANT_VELOCITY

Joint

 

*CONSTRAINED_JOINT_
CYLINDRICAL

Define a joint between two rigid bodies.

Joint

 

*CONSTRAINED_JOINT_
CYLINDRICAL_FAILURE(ID)

 

Joint

 

*CONSTRAINED_JOINT_
CYLINDRICAL_LOCAL(ID)

 

Joint

 

 

*CONSTRAINED_JOINT_
CYLINDRICAL_LOCAL_
FAILURE(ID)

 

Joint

 

*CONSTRAINED_JOINT_
GEARS

Joint

 

*CONSTRAINED_JOINT_
LOCKING(ID)

 

Joint

 

*CONSTRAINED_JOINT_
LOCKING_FAILURE(ID)

 

Joint

 

*CONSTRAINED_JOINT_
LOCKING_LOCAL(ID)

 

Joint

 

*CONSTRAINED_JOINT_
LOCKING_LOCAL_
FAILURE(ID)

 

Joint

 

*CONSTRAINED_JOINT_
PLANAR(ID)

 

Joint

 

*CONSTRAINED_JOINT_
PLANAR_FAILURE(ID)

 

Joint

 

*CONSTRAINED_JOINT_
PLANAR_LOCAL(ID)

 

Joint

 

*CONSTRAINED_JOINT_
PLANAR_FAILURE_LOCAL
(ID)

 

Joint

 

*CONSTRAINED_JOINT_
PULLY

Joint

 

*CONSTRAINED_JOINT_
RACK_AND_PINION_ID

Joint

 

*CONSTRAINED_JOINT_
REVOLUTE

 

Joint

 

*CONSTRAINED_JOINT_
REVOLUTE_LOCAL(ID)

 

Joint

 

*CONSTRAINED_JOINT_
REVOLUTE_FAILURE(ID)

 

Joint

 

*CONSTRAINED_JOINT_
REVOLUTE_LOCAL_
FAILURE(ID)

 

Joint

 

*CONSTRAINED_JOINT_
ROTATIONAL_MOTOR

Joint

 

*CONSTRAINED_JOINT_
SCREW

 

 

*CONSTRAINED_JOINT_
SPHERICAL(ID)

 

Joint

 

*CONSTRAINED_JOINT_
SPHERICAL_LOCAL(ID)

 

Joint

 

*CONSTRAINED_JOINT_
SPHERICAL_FAILURE(ID)

 

Joint

 

*CONSTRAINED_JOINT_
SPHERICAL_LOCAL_
FAILURE(ID)

 

Joint

 

*CONSTRAINED_JOINT_
STIFFNESS_
TRANSLATIONAL

Define optional rotational and translational joint stiffness for joints defined by *CONSTRAINED_JOINT_OPTION

Joint

 

*CONSTRAINED_JOINT_
TRANSLATIONAL(ID)

 

Joint

 

*CONSTRAINED_JOINT_
TRANSLATIONAL_FAILURE
(ID)

 

Joint

 

*CONSTRAINED_JOINT_
TRANSLATIONAL_LOCAL
(ID)

 

Joint

 

*CONSTRAINED_JOINT_
TRANSLATIONAL_LOCAL_
FAILURE(ID)

 

Joint

 

*CONSTRAINED_JOINT_
TRANSLATIONAL_MOTOR

Joint

 

*CONSTRAINED_JOINT_
UNIVERSAL(ID)

 

Joint

 

*CONSTRAINED_JOINT_
UNIVERSAL_FAILURE(ID)

 

Joint

 

*CONSTRAINED_JOINT_
UNIVERSAL_LOCAL(ID)

 

Joint

 

*CONSTRAINED_JOINT_
UNIVERSAL_LOCAL_
FAILURE(ID)

 

Joint

 

*CONSTRAINED_NODAL_
RIGID_BODY

Define a nodal rigid body.

Rigid

 

*CONSTRAINED_NODAL_
RIGID_BODY (2-Noded)

 

Rigid

 

*CONSTRAINED_NODAL_
RIGID_BODY_INERTIA

Used when inertial properties are defined rather than computed.

Rigid

 

*CONSTRAINED_NODAL_
RIGID_BODY_INERTIA (2-
Noded)

 

Rigid

 

*CONSTRAINED_NODAL_
RIGID_BODY_INERTIA _SPC

 

Rigid

 

*CONSTRAINED_NODAL_
RIGID_BODY_INERTIA _SPC (2-Noded)

 

Rigid

 

*CONSTRAINED_NODAL_
RIGID_BODY_SPC

 

Rigid

 

*CONSTRAINED_NODAL_
RIGID_BODY_SPC  (2-
Noded)

 

Rigid

 

*CONSTRAINED_NODE_
SET

Define nodal constraint sets for translational motion in global coordinates.

Rigid

 

*CONSTRAINED_NODE_
SET (2-Noded)

 

Rigid

 

*CONSTRAINED_NODE_
SET_ID

 

Rigid

 

*CONSTRAINED_RIVET

Define massless rivets between non-contiguous nodal pairs.

Weld

 

*CONSTRAINED_SHELL_
TO_SOLID

Define a tie between a shell edge and solid elements.

Rigid

 

*CONSTRAINED_
SPOTWELD_ID

Define massless spot welds between non-contiguous nodal pairs.

Weld

Normal and shear failure values can be edited.

*CONSTRAINED_
SPOTWELD_FILTERED_
FORCE_ID

 

Weld

 

Supported Cards

Solver Description

Supported Elem Types

Notes

*ELEMENT_BEAM

Define two node elements including 3D beams, trusses, 2D axisymmetric shells and 2D plane strain beam elements.

Bar

Thickness option can be added.  This allows you to edit the parameters based on the element formulation in the property to which the beam points.

*ELEMENT_BEAM_
OFFSET

 

Bar

 

*ELEMENT_BEAM_
OFFSET_PID

 

Bar

 

*ELEMENT_BEAM_
OFFSET_THICKNESS

 

Bar

 

*ELEMENT_BEAM_
ORIENTATION

 

Bar

 

*ELEMENT_BEAM_PID

 

Bar

 

*ELEMENT_BEAM_PID_
ORIENTATION

 

Bar

 

*ELEMENT_BEAM_PID_
SCALAR

 

Bar

 

*ELEMENT_BEAM_
SCALAR

 

Bar

 

*ELEMENT_BEAM_
SCALAR_ORIENTATION

 

Bar

 

*ELEMENT_BEAM_
SECTION

 

Bar

 

*ELEMENT_BEAM_
SECTION_ORIENTATION

 

Bar

 

*ELEMENT_BEAM_
SECTION_PID

 

Bar

 

*ELEMENT_BEAM_
THICKNESS

 

Bar

 

*ELEMENT_BEAM_
THICKNESS_ORIENTATION

 

Bar

 

*ELEMENT_BEAM_
THICKNESS_PID

 

Bar

 

*ELEMENT_BEAM_
THICKNESS_SCALAR

 

Bar

 

*ELEMENT_DISCRETE

Define a discrete (spring or damper) element between two nodes or a node and ground.

Spring

Scale factor, printing flags, and offset values can be edited.

*ELEMENT_INERTIA

Define a lumped inertia element assigned to a nodal point.

Mass

 

*ELEMENT_INERTIA_
OFFSET

 

Mass

 

*ELEMENT_MASS

Define a lumped mass element assigned to a nodal point or equally distributed to the nodes of a node set.

Mass

 

*ELEMENT_MASS_
NODE_SET

Mass elements defined on node set

Mass

 

*ELEMENT_MASS_PART

Define additional non-structural mass to be distributed by an area weighted distribution to all nodes of a given part ID.

Mass

 

*ELEMENT_MASS_
PART_SET

Mass elements defined on part set.

Mass

 

*ELEMENT_PLOTEL

Define a null beam element for visualization.

Plot

 

*ELEMENT_SEATBELT

Define a seat belt element.

Rod

 

*ELEMENT_SEATBELT_
PRETENSIONER

Define seat belt pretensioner.

Mass

 

*ELEMENT_SEATBELT_
RETRACTOR

Define seat belt retractor.

Mass

 

*ELEMENT_SEATBELT_
SENSOR

Define seat belt sensor.

Sensors

 

*ELEMENT_SEATBELT_
SLIPRING

Define seat belt slip ring.

Mass

 

*ELEMENT_SHELL

Define three, four, six and eight node elements including 3D shells, membranes, 2D plane stress, plane strain, and axisymmetric solids.

Tria3, Quad4

 

Thickness and beta options can be added singularly or together.  This allows you to edit the thickness and material angles to override the SECTION card.

*ELEMENT_SHELL_BETA

 

Tria3, Quad4

 

*ELEMENT_SHELL_BETA_
OFFSET

 

Tria3, Quad4

 

*ELEMENT_SHELL_
COMPOSITE

 

Tria3, Quad4

 

*ELEMENT_SHELL_DOF

 

Tria3, Quad4

 

*ELEMENT_SHELL_MCID

 

Tria3, Quad4

 

*ELEMENT_SHELL_MCID_
OFFSET

 

Tria3, Quad4

 

*ELEMENT_SHELL_
OFFSET

 

Tria3, Quad4

 

*ELEMENT_SHELL_
THICKNESS

 

Tria3, Quad4

 

*ELEMENT_SHELL_
THICKNESS_BETA

 

Tria3, Quad4

 

*ELEMENT_SHELL_
THICKNESS_BETA_
OFFSET

 

Tria3, Quad4

 

*ELEMENT_SHELL_
THICKNESS_MCID

 

Tria3, Quad4

 

*ELEMENT_SHELL_
THICKNESS_MCID_
OFFSET

 

Tria3, Quad4

 

*ELEMENT_SHELL_
THICKNESS_OFFSET

 

Tria3, Quad4

 

*ELEMENT_SOLID

Define three-dimensional solid elements including 4 noded tetrahedrons and 8-noded hexahedrons.

Tetra4, Penta6, Hex8, Tetra10

 

*ELEMENT_SOLID_ORTHO
 

Define a local coordinate system for orthotropic and anisotropic materials

Tetra4, Penta6, Hex8, Tetra10

 

*ELEMENT_SOLID_
TET4TOTET10

Converts 4 node tetrahedron solids to 10 node quadratic tetrahedron solids.

Tetra4

 

*ELEMENT_SPH

Define a lumped mass element assigned to a nodal point

Mass

 

*ELEMENT_TSHELL

Define an eight node thick shell element which is available with either fully reduced or selectively reduced integration rules.

Penta6, Hex8

 

Supported Cards

Solver Description

Supported Elem Types

Notes

*INITIAL_MOMENTUM

Defines initial momentum in the solid element at the start of analysis. This momentum could be from previous analysis/step carried forward to next analysis/step.

Tetra4, Penta6, Hex8, Tetra10

This is supported as an attribute to an element to maintain its associativity with element inside HM

*INITIAL_STRAIN_SHELL

Defines stress in the shell element at the start of analysis. This stress could be from previous analysis/step carried forward to next analysis/step.

Tria3, Quad4

This is supported as an attribute to an element to maintain its associativity with element inside HM

*INITIAL_STRAIN_SOLID

Defines stress in the solid element at the start of analysis. This stress could be from previous analysis/step carried forward to next analysis/step.

Tetra4, Penta6, Hex8, Tetra10

This is supported as an attribute to an element to maintain its associativity with element inside HM

*INITIAL_STRESS_BEAM

Defines stress in the beam element at the start of analysis. This stress could be from previous analysis/step carried forward to next analysis/step.

Bar

This is supported as an attribute to an element to maintain its associativity with element inside HM

*INITIAL_STRESS_SHELL

Defines stress in the shell element at the start of analysis. This stress could be from previous analysis/step carried forward to next analysis/step.

Tria3, Quad4

This is supported as an attribute to an element to maintain its associativity with element inside HM

*INITIAL_STRESS_SOLID

Defines stress in the solid element at the start of analysis. This stress could be from previous analysis/step carried forward to next analysis/step.

Tetra4, Penta6, Hex8, Tetra10

This is supported as an attribute to an element to maintain its associativity with element inside HM

hmtoggle_arrow1Nastran

Supported Cards

Solver Description

Supported Elem Types

Notes

CAABSF

Defines a frequency-dependent acoustic absorber element in coupled fluid-structural analysis.

Mass

Rod

Tria3

Quad4

 

CACINF3

Defines an acoustic conjugate infinite element with triangular base.

Tria3

 

CACINF4

Defines an acoustic conjugate infinite element with quadrilateral base.

Quad4

 

CAERO1

Defines an aerodynamic macro element (panel) in terms of two leading edge locations and side chords. This is used for Doublet-Lattice theory for subsonic aerodynamics and the ZONA51 theory for supersonic aerodynamics.

Quad4

 

CAERO2

Defines aerodynamic slender body and interference elements for Doublet-Lattice aerodynamics.

Rod

 

CBAR

Defines a simple beam element.

Bar

 

CBEAM

Defines a beam element.

Bar

 

CBEND

Defines a curved beam, curved pipe, or elbow element.

Bar

 

CBUSH

Defines a generalized spring-and-damper structural element that may be nonlinear or frequency dependent.

Mass

Spring

Both elements with grounded terminals are supported

CBUSH1D

Defines the connectivity of a one-dimensional spring and viscous damper element.

Mass

Spring

Both elements with grounded terminals are supported

CDAMP1

Defines a scalar damper element.

Mass

Spring

Elements CDAMP1 and CDAMP2 with grounded terminals are not supported.

CDAMP2

Defines a scalar damper element without reference to a material or property entry.

Mass

Spring

Elements CDAMP1 and CDAMP2 with grounded terminals are not supported.

CDAMP3

Defines a scalar damper element that is connected only to scalar points.

Mass

Spring

Elements CDAMP1 and CDAMP2 with grounded terminals are not supported.

CDAMP4

Defines a scalar damper element that connected only to scalar points and without reference to a material or property entry.

Mass

Spring

Elements CDAMP1 and CDAMP2 with grounded terminals are not supported.

CELAS1

Defines a scalar spring element.

Mass

Spring

Elements CDAMP1 and CDAMP2 with grounded terminals are not supported.

CELAS2

Defines a scalar spring element without reference to a property entry.

Mass

Spring

Elements CDAMP1 and CDAMP2 with grounded terminals are not supported.

CELAS3

Defines a scalar spring element that connects only to scalar points.

Mass

Spring

Elements CDAMP1 and CDAMP2 with grounded terminals are not supported.

CELAS4

Defines a scalar spring element that is connected only to scalar points, without reference to a property entry.

Mass

Spring

Elements CDAMP1 and CDAMP2 with grounded terminals are not supported

CFAST

Defines a fastener with material orientation connecting two surface patches.

Mass

Rod

 

CGAP

Defines a gap or friction element.

Gap

 

CHACAB

Defines the acoustic absorber element in coupled fluid-structural analysis.

Hex8

 

CHBDYE

Defines a boundary condition surface element with reference to a heat conduction element.

Slave3

Slave4

This element is supported as GROUP.

CHBDYG

Defines a boundary condition surface element without reference to a property entry.

Slave3

Slave4

This element is supported as GROUP.

Creation from scratch is not yet supported.

CHBDYP

Defines a boundary condition surface element with reference to a PHBDY entry.

Mass

Rod

CONVM is supported as a continuation card inside CHBDYP.

CHEXA (20-noded)

Defines a second order solid element, composed of 6 quadrilateral faces.

Hex20

In Nastran, you can define a second order element with missing mid-side nodes.  Input data decks containing such elements are read by the translator as a first-order element.  A message is written to the nastran.msg file indicating the corresponding element ID.

CHEXA (8-noded)

Defines a first order solid element, composed of 6 quadrilateral faces.

Hex8

 

CMASS1

Defines a scalar mass element.

Mass

Spring

 

CMASS2

Defines a scalar mass element without reference to a property entry.

Mass

Spring

 

CMASS3

Defines a scalar mass element that is connected only to scalar points.

Mass

Spring

 

CMASS4

Defines a scalar mass element that is connected only to scalar points, without reference to a property entry.

Mass

Spring

 

CONM1

Defines a 6 x 6 symmetric mass matrix at a geometric grid point.

Mass

 

CONM2

Defines a concentrated mass at a grid point.

Mass

 

CONROD

Defines a rod element without reference to a property entry.

Rod

 

CPENTA (6-noded)

Defines the connections of a five-sided solid element with six to fifteen grid points.

Penta6

 

CPENTA (15-noded)

Defines the connections of a five-sided solid element with six to fifteen grid points.

Penta15

In Nastran, you can define a second order element with missing mid-side nodes.  Input data decks containing such elements are read by the translator as a first-order element.  A message is written to the nastran.msg file indicating the corresponding element ID.

CQUAD4

Defines an isoparametric membrane-bending or plane strain quadrilateral plate element.

Quad4

 

CQUAD8

Defines a curved quadrilateral shell or plane strain element with eight grid points.

Quad8

In Nastran, you can define a second order element with missing mid-side nodes.  Input data decks containing such elements are read by the translator as a first-order element.  A message is written to the nastran.msg file indicating the corresponding element ID.

CQUADR

Defines an isoparametric membrane and bending quadrilateral plate element. However, this element does not include membrane-bending coupling. This element is less sensitive to initial distortion and extreme values of Poisson’s ratio than the CQUAD4 element. It is a companion to the CTRIAR element.

Quad4

 

CROD

Defines a tension-compression-torsion element.

Rod

 

CSHEAR

Defines a shear panel element.

Quad4

 

CSEAM

 

Rod

 

CTETRA (4-noded)

Defines the connections of the four-sided solid element with four grid points.

Tetra4

 

CTETRA (10-noded)

Defines the connections of the four-sided solid element with ten grid points.

Tetra10

In Nastran, you can define a second order element with missing mid-side nodes.  Input data decks containing such elements are read by the translator as a first-order element.  A message is written to the nastran.msg file indicating the corresponding element ID.

CTRIA3

Defines an isoparametric membrane-bending or plane strain triangular plate element.

Tria3

 

CTRIA6

Defines a curved triangular shell element or plane strain with six grid points.

Tria6

In Nastran, you can define a second order element with missing mid-side nodes.  Input data decks containing such elements are read by the translator as a first-order element.  A message is written to the nastran.msg file indicating the corresponding element ID.

CTRIAR

Defines an isoparametric membrane-bending triangular plate element. However, this element does not include membrane-bending coupling. It is a companion to the CQUADR element.

Tria3

 

CTRIAX

Defines an axisymmetric triangular element with up to 6 grid points for use in fully nonlinear (i.e., large strain and large rotations) hyperelastic analysis

Tria3/Tria6

 

CTRIAX6

Defines an isoparametric and axisymmetric triangular cross section ring element with midside grid points.

Tria3/Tria6

 

CTUBE

Defines a tension-compression-torsion tube element.

Rod

 

CQUADX

Defines an axisymmetric quadrilateral element with up to nine grid points for use in fully nonlinear (i.e.,

large strain and large rotations) analysis or a linear harmonic or rotordynamic analysis. The element has

between four and eight grid points

Quad4/Quad8

Ninth grid selected in card edit of the element

CVISC

Defines a viscous damper element.

Spring

Elements CDAMP1 and CDAMP2 with grounded terminals are not supported.

CWELD

Defines a weld or fastener connecting two surface patches or points.

Mass

Rod

Node-Node, Node-Patch, or Patch-Patch weld elements can be read.  CWELD element is stored as an element of the rod configuration.  CWELD elements using the ELEMID option not created in Engineering Solutions will be displayed as zero length.  Currently, the Spotweld panel can only create Node-Node and Patch-Patch CWELD elements.

Engineering Solutions always calculates the location of GA and GB by projecting GS in the normal direction of surface patch A and surface patch B, respectively.

GENEL

Defines a general element.

RBE3

 

HM_SPRING

Defines a spring element, which is converted to Nastran entities on export, in a manner similar to that explained in Using HM_ELAS.

Spring

 

MBOLT

Defines a bolt for use in SOL 600 in countries outside the USA.

Mass

 

MBOLTUS

Defines a bolt for use only in SOL 600 and only in the USA.

Mass

 

PLOTEL

Defines a one-dimensional dummy element for use in plotting.

Plot

 

RBAR

Defines a rigid bar with six degrees-of-freedom at each end.

Weld

RBAR CNA field defaults to 123456.  To edit the CNA, CNB, CMA, or CMB fields, you must view the card image for the RBAR element.

RBE2

Defines a rigid body with independent degrees-of-freedom that are specified at a single grid point and with dependent degrees-of-freedom that are specified at an arbitrary number of grid points.

Rigid

Rigidlink

An RBE2 element with one dependent node is identified as a rigid element, while an element with multiple dependent nodes is identified as a rigid link element.

RBE3

Defines the motion at a reference grid point as the weighted average of the motions at a set of other grid points.

RBE3

Individual weight factors can be created on the independent nodes of RBE3 using the update functionality in the RBE3 panel.  See the on-line help for the RBE3 panel for more information.

RJOINT

Defines a rigid joint element connecting two coinciding grid points.

 

RBE2

RROD

Defines a rigid pin-ended element connection.

 

 

hmtoggle_arrow1PAM-CRASH 2G

The component of the element refers to a material, which contains the material definition for PAM-CRASH 2G .

To change an element type, use the Elem Types panel.

Edit the elements in the card previewer to determine the element types that require additional information beyond element connectivity.

FE input reader will not create connectors for Plinks, instead you must use the FE absorb functionality to create connectors from PLINKs.

Supported Cards

Solver Description

Supported Elem Types

Notes

ASSOCIATE

Defines entities to be converted from deformable to rigid.

Rigids

 

BAR /

Bar element.

Rod

 

BASE_BODY

Rigid bodies on which the boundary conditions are defined, used in Multibody systems.

Rigid

 

BEAM /

Beam element.

Bar2

If the orientation vector is defined via vectors, the string VECTOR is displayed in the N3 field, and a zero is written in the exported deck.  If the y-direction node is directly specified, its ID is displayed in the N3 field.

BSHEL /

8-noded brick shell element.

Hex8

 

EDG

 

Rod

 

ELINK /

Link element.

Rod

The element must be edited in the card previewer to define the connections.

JOINT /

Joint element.

Rod

The element must be edited in the card previewer to define element orientation.

KJOIN /

Kinematic joint element.

Rod

The element must be edited in the card previewer to define element orientation.

LLINK /

Link element.

Rod

The element must be edited in the card previewer to define the connections.

MASS

Added mass.

Mass

 

MEMBR /

MEMBR /

Membrane element.

Tria3

Quad4

 

MTJOIN /

Multiple node to one node Kinematic joint element.

FE Joint

 

MTOCO /

Rigid element.

Rigid

 

NODCO /

Nodal constraint definition.

Rigid

This configuration allows you to create nodal constraints via entity sets. The element must be edited in the card previewer. Degrees of freedom are ignored.

OTMCO /

One node to multiple node constraints.

RBE3

 

PLINK /

Plink element.

Mass

The element must be edited in the card previewer.  Mass value is ignored. Use the following templates to handle the welds:
find_welds
find_master_comps_welds
find_slave_comps_welds
find_comps_welds.

PLINK_VI

 

Rod

These elements are created during connector realization to show the actual connections.  They are not exported.

RETRA /

 

Mass

The element must be edited in the card previewer. Mass value is ignored.

RBODY /

 

Rigid body with 2 nodes.

Weld

When created, the default value for rigid body type is 1.

RBODY /

 

Rigid

This configuration allows you to create rigid bodies via entity sets. The element must be edited in the card previewer.  Degrees of freedom are ignored.

SEG

SEG

 

Tria3

Quad4

The elements are used in entity selection.  With this keyword, only nodes of these elements are output along with SEG keyword.

SENPT /

 

Mass

 

SHELL /

Shell element.

Mass

Mass value is ignored. Mass defined with a keyword other than NOD is not supported. The reader creates one mass element for each NOD definition in the MASS card, therefore the exported deck will contain the same number of MASS/cards as many NOD definitions.

SHELL /

 

Tria3

The default behavior for tria3 elements is Coo triangles.

To output standard triangles (N3 = N4).

SHELL /

 

Quad4

 

SLINK /

SLINK /

 

Tria3

Quad4

The element must be edited in the card previewer to define the connections.

SLIPR /

 

Mass

The element must be edited in the card previewer. Mass value is ignored.

SOLID /

SOLID /

SOLID /

SOLID /

8-noded brick element.

Tetra4

Pyramid5

Penta6

Hex8

 

SPH /

 

Mass

 

SPRING /

Spring element.

Spring

The element must be edited in the card previewer to define element orientation.

SPRGBM /

Spring beam element.

Spring

The element must be edited in the card previewer to define element orientation.

TETRA /

10-noded tetra element.

Tetra10

Local frame definition

TETR4 /

4-noded tetra element.

Tetra4

 

TSHEL /

4-noded thick shell element.

Quad4

The element must be edited in the card previewer to define the connections.

 

See Also:

Include Files

Assemblies

Components