Abaqus Volume II: I–Z Manuel d'utilisateur télécharger pdf (Page 141)

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101

MATRIX INPUT

13.8

MATRIX INPUT: Read in a matrix for a part of the model.

This option can be used to input a matrix in sparse format.

Product: ABAQUS/Standard

Type: Model data

Level: Model

References:

•

“Deﬁning matrices,” Section 2.10.1 of the ABAQUS Analysis User’s Manual

• *

MATRIX ASSEMBLE

Required parameter:

NAME

Set this parameter equal to a label that will be used to refer to this matrix.

Optional parameters:

INPUT

Set this parameter equal to the name of the alternate input ﬁle from which the data lines are to

be read. See “Input syntax rules,” Section 1.2.1 of the ABAQUS Analysis User’s Manual, for the

syntax of such ﬁle names. If this parameter is omitted, it is assumed that the data follow the keyword

line.

SCALE FACTOR

Set this param eter equal to a nonzero real num ber

by which all matrix entries will be multiplied.

The default value is

Data lines to deﬁne the matrix in sparse format (only nonzero terms):

First line:

1. Row node number.

2. Degree of freedom number for row node.

3. Colum n node number.

13.8–1

ABAQUS Version 6.1 Module:

ID:

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Abaqus Volume II: I–Z Manuel d'utilisateur Page 141

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