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/BCS/LAGMUL

/BCS/LAGMUL

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/BCS/LAGMUL

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Block Format Keyword

/BCS/LAGMUL - Lagrange Multiplier Boundary Conditions

Description

Defines boundary conditions on node groups using Lagrange multipliers. This keyword is not available for SPMD computation.

Format

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

/BCS/LAGMUL/bcs_ID

bcs_title

Trarot

skew_ID

grnd_ID

 

 

 

 

 

 

 
hmtoggle_plus1Flag Definition

Field

Contents

bcs_ID

Boundary conditions block identifier

(Integer, maximum 10 digits)

bcs_title

Boundary condition block title

(Character, maximum 100 characters)

Trarot

Codes for translation and rotation

(6 Booleans)

= 0: free DOF

= 1: fixed DOF

Example: 101 111 means the x and z translations, as well as all rotations are fixed; the y translation is free.

skew_ID

Skew identifier

If not zero, the boundary conditions are applied with respect to this local skew.

(Integer)

grnd_ID

Identifier of the node group on which boundary conditions are applied

(Integer)
hmtoggle_plus1Codes for Translation and Rotation: Input format for the first field (1) Trarot

(1)-1

(1)-2

(1)-3

(1)-4

(1)-5

(1)-6

(1)-7

(1)-8

(1)-9

(1)-10

 

 

 

TX

TY

TZ

 

symbol_w_14X

symbol_w_14Y

symbol_w_14Z

 

Field

Contents

TX

Code for translation TX

=0: free DOF

=1: fixed DOF

(Boolean)

TY

Code for translation TY

=0: free DOF

=1: fixed DOF

(Boolean)

TZ

Code for translation TZ

=0: free DOF

=1: fixed DOF

(Boolean)

symbol_w_14X

Code for rotation symbol_w_14X

=0: free DOF

=1: fixed DOF

(Boolean)

symbol_w_14Y

Code for rotation symbol_w_14Y

=0: free DOF

=1: fixed DOF

(Boolean)

symbol_w_14Z

Code for rotation symbol_w_14Z

=0: free DOF

=1: fixed DOF

(Boolean)
hmtoggle_plus1Comments
1.The grnd_ID input is obligatory. The boundary conditions will be applied only on nodes that belong to a node group.
2.Input format details for the field Trarot are shown above. The six individual codes (one per direction) must be right justified in the ten character fields used by the variable Trarot.

See Also:

Implicit Features and Compatibility Information

Skew and Frame (/SKEW & /FRAME)