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USER ELEMENT
20.5
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USER ELEMENT: Introduce a user-defined element type.
This option is used to introduce a linear or a general user-defined element. It must precede any reference to
this user element on an
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ELEMENT option.
Product: ABAQUS/Standard
Type: Model data
Level: Part, Part instance, Model
Introducing a linear user-defined element
References:
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“User-defined elem ents,” Section 26.15.1 of the ABAQUS Analysis User’s Manual
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ELEMENT
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MATRIX
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UEL PROPERTY
Required parameter:
TYPE
Set this parameter equal to the element type key used to identify this element on the
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ELEMENT
option. The format of this type key must be Un,wheren is a positive integer less than 10000. To
use this element type, set TYPE=Un on the
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ELEMENT option.
Optional parameter:
FILE
Set this parameter equal to the name of the results file (with no extension) from which the data 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 nam es.
This parameter can be used only if the user-defined element type is linear and its stiffness
and/or m ass matrices are to be read from the ABAQUS/Standard results file of a previous analysis
(in which they were written by using the
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ELEMENT MATRIX OUTPUT or
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SUBSTRUCTURE
MATRIX OUTPUT options). When this parameter is used, all values are taken from the results file.
For example, if the stiffness or mass being read from the results file is not symmetric, the UNSYMM
parameter will be invoked automatically.
If this parameter is omitted, the data will be read from a standard input file.
20.5–1
ABAQUS Version 6.1 Module:
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