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THERMAL EXPANSION

19.4

THERMAL EXPANSION: Deﬁne the thermal expansion behavior of beams.

This option c an be used onl y in conjunction with the

BEAM G ENERAL SECTION,

SECTION=NONLINEAR GEN ERAL option.

Products: ABAQUS/Standard ABAQUS/Explicit

Type: Model data

Level: Part, Part instance

References:

•

“Using a general beam section to deﬁne the section behavior,” Section 23.3.7 of the ABAQUS Analysis

User’s Manual

• *

BEAM GENERAL SECTION

Optional parameter:

DEPENDENCIES

Set this param eter equal to the number of ﬁeld variable dependencies for the therm al-expansion

coefﬁcient, in addition to temperature. If this param eter is om itted, it is assum ed that the thermal-

expansion coefﬁcient is constant or depends only on temperature. See “Specifying ﬁeld variable

dependence” in “Material data deﬁnition,” Section 16.1.2 of the A BAQU S Analysis User’s Manual,

for more information.

Data lines to deﬁne the thermal expansion behavior:

First line:

1. Coefﬁcient of thermal expansion.

2. Temperature.

3. First ﬁeld variable.

4. Second ﬁeld variable.

5. Etc., up to six ﬁeld variables.

Subsequent lines (only needed if the D EPENDENCIES parameter has a value greater than six):

1. Seventh ﬁeld variable.

2. Etc., up to eight ﬁeld variables per line.

Repeat this set of data lines as o ften as necessary to deﬁne the thermal expansion coefﬁcient as a

function of temperature and other p redeﬁned ﬁeld variables.

19.4–1

ABAQUS Version 6.1 Module:

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