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CMSPDPC

CMSPDPC

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CMSPDPC

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Bulk Data Entry

CMSPDPC – Nonlinear Multi-body Spring Damper Element using Curve

Description

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

Format

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

CMSPDPC

EID

KCID

G1

G2

BCID

L

PF

TYPE

 

 

KINT

KEID

BINT

BEID

 

 

 

 

 

hmtoggle_plus1Example

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

CMSPDPC

3

34

223

324

0

1.0

 

TRANS

 

 

AKIMA

1

 

 

 

 

 

 

 

Field

Contents

EID

Unique element identification number.

(Integer > 0)

KCID

Stiffness curve ID.

Default = 0 (Integer > 0 or blank)

G1, G2

Grid point identification number.

(Integer > 0)

B

Damping curve ID.

Default = 0 (Integer > 0 or blank)

L

Unstretched length of spring damper.

Default = 0 (Real > 0.0 or blank)

PF

Preload force.

Default = 0 (Real or blank)

TYPE

Type.

(TRANS or ROT; if blank, default: TRANS)

KINT

Stiffness Interpolation type (Character: LINEAR, CUBIC, or AKIMA).

Default = AKIMA

KEID

MBVAR ID for independent variable ID for stiffness.

Default = Deflection (Integer > 0 or blank)

BINT

Damping Interpolation type (Character: LINEAR, CUBIC, or AKIMA).

Default = AKIMA

BEID

MBVAR ID for independent variable ID for damping.

Default = Velocity (Integer > 0 or blank)

Comments

1.The spring damper force is along the line segment connecting the grids, G1 and G2.
2.The positive preload force is a stretching force.
3.This card is represented as a spring element in HyperMesh.

See Also:

Bulk Data Section

Guidelines for Bulk Data Entries

Bulk Data Entries by Function

The Input File