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CTRIAX6

CTRIAX6

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CTRIAX6

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Bulk Data Entry

CTRIAX6 – Axisymmetric Triangular Element Connection

Description

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

Format

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

CTRIAX6

EID

MID

G1

G2

G3

G4

G5

G6

 

 

Theta

 

 

 

 

 

 

 

 

hmtoggle_plus1Example

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

CTRIAX6

111

203

31

74

75

32

51

52

 

 

15.0

 

 

 

 

 

 

 

 

Field

Contents

EID

Unique element identification number.

No default (Integer > 0)

MID

Identification number of a MAT1 or MAT3 entry.

No default (Integer > 0)

G1,G3,G5

Identification numbers of connected corner grid points. Cannot be omitted.

No default (Integers > 0, all unique)

G2,G4,G6

Identification numbers of connected edge grid points. Cannot be omitted.

No default (Integers > 0, all unique)

Theta

Material orientation angle in degrees.

Default = 0.0 (Real or blank)

Comments

1.All the grid points must be located in the x-z plane of the basic coordinate system with x = r > 0, and ordered consecutively starting at a corner grid point and proceeding around the perimeter in either direction.

Corner grid points G1, G3 and G5 must be present. The edge points G2, G4 and G6 are optional. If any of the edge points are present, they all must be used.

ctriax6

CTRIAX6 definition

2.The continuation is optional.
3.If MID is defined on a MAT3 entry, material properties and stresses are always given in the (xm, zm) coordinate system shown in the figure above.
4.A concentrated load (for example, the load specified on a FORCE entry) at a grid Gi of this element denotes that applied onto the circumference with radius of Gi. For example, in order to apply a load of 200N/m on the circumference at Gi which is located at a radius of 0.4m, the magnitude of the load specified on the static load entry must be:

(200 N/m) * 2pi * (0.4m) = 502.655N

5.CTRIAX6 and CTAXI elements cannot be used simultaneously in an input model.
6.This card is represented as an element in HyperMesh.

See Also:

Bulk Data Section

Guidelines for Bulk Data Entries

Bulk Data Entries by Function

The Input File