Abaqus Volume II: I–Z Manual do Utilizador descarregar pdf (Página 526)

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101

SURFACE PROPERTY ASSIGNMENT

Data lines for PROPERTY=OFFSET FRACTION:

First line:

1. Surface name. If the surface name is omitted, a default surface that encompasses the entire

general contact domain is assumed. Faces speciﬁed on elem ents other than shell elements,

mem brane elements, rigid elements, and surface elements will be ignored.

2. The “word” ORIGINAL (default), the “w ord” SPOS, the “word” SNEG, or a value between

–0.5 and 0.5. The offset deﬁnes the distance (as a fraction of the thickness) from the midsurface

to the reference surface (containing the nodes of the element). Positive values of the offset

are in the positive element normal direction. The default is ORIGINAL, which indicates that

the offset speciﬁed in element section deﬁnitions (via the OFFSET parameter on

SHELL

SECTION or

RIGID BODY) will be used.

Repeat this data line as often as necessary. If the offset fraction assignments overlap, the last assignment

applies in the overlap region.

Data lines for PROPERTY=THICKNESS:

First line:

1. Surface name. If the surface name is omitted, a default surface that encompasses the entire

general contact domain is assumed.

2. The “word” ORIGINAL (default), the “word” THINNING, or a scalar value representing a

nominal thickness.

3. A constant scaling factor (default is 1.0).

Repeat this data line as often as necessary. If the thickness as signments overlap, the last assignment

applies in the overlap region.

18.51–2

ABAQUS Version 6.1 Module:

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Abaqus Volume II: I–Z Manual do Utilizador Página 526

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