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/TH/TRUSS

/TH/TRUSS

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/TH/TRUSS

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Block Format Keyword

/TH/TRUSS - Time History - Truss

Description

Describes the time history for trusses.

Format

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

/TH/TRUSS/thgroup_ID

thgroup_name

var_ID1

var_ID2

var_ID3

var_ID4

var_ID5

var_ID6

var_ID7

var_ID8

var_ID9

var_ID10

elem_ID

 

elem_name

 

 

 

hmtoggle_plus1Flag Definition

Field

Contents

thgroup_ID

TH group identifier

(Integer, maximum 10 digits)

thgroup_name

TH group name

(Character, maximum 100 characters)

var_ID1, ...n

Variables saved for TH (see table below)

(Character, maximum 8 characters)

elem_ID

Element identifier

(Integer)

elem_name

Name of the element to appear in the time history

(Integer, maximum 80 characters)

hmtoggle_plus1TH Output Keyword & Variables

Keyword

Object saved

Variables

TRUSS

Trusses

OFF, F, IE, A, L, PLAS

hmtoggle_plus1Table of available variables - Part 2

Keyword

Variable group

Saved TH Variables

TRUSS

DEF

OFF, F, IE, PLAS

hmtoggle_plus1Output for Available Material law

Output

Material law

OFF: element flag for deactivation
(see Comment 2)

1, 2

F: normal force

1, 2

IE: internal energy

1, 2

A: area

1, 2

L: initial length

1, 2

PLAS: equivalent plastic strain

2

hmtoggle_plus1Comments
1.Available names are listed in the two tables above.

In the first table, TH-variables are listed. If a TH-variable is requested, this variable is written.

In the second table, other variable groups are listed. If a variable group is requested, all the associated TH-variables are written at once.

2.OFF:

0.0 deleted element
1.0 active element
2.0 (shells / solids): active element using small strain
Negative value -1/-2 when the element is on stand by due to rigid body

Some intermediate values can be found during few cycles before element deletion (progressive reduction of off during a few cycles applies as a multiplicative factor to the stress, so that the stress is progressively vanished and element is deleted after ~ 10 cycles). This process applies to some element types, but not all.