3D Connexion Version 6.6 manual ,

*SHELL GENERAL SECTION
18.14 *SHELL GENERAL SECTION: Define a general, arbitrary, elastic shellsection.
This option is used to define a general, arbitrary, elastic shell section.
Products: ABAQUS/Standard ABAQUS/Explicit
Type: Model data
Level: Part, Part instance
References:
•“Shell elements: overview,” Section 23.6.1 of the ABAQUS Analysis User’s Manual
•“Using a general shell section to definethe section behavior,” Section 23.6.6 of the ABAQUS Analysis
User’s Manual
•“UGENS,” Section 1.1.25 of the ABAQUS User SubroutinesReference Manual
Required parameter:
ELSET
Set this parameter equal to the name of the element set containing the shell elements for which the
section behavior is being defined.
Required parameter in ABAQUS/Explicit,optional parameter in ABAQUS/Standard:
DENSITY
Set this parameter equal to the mass per unit surfacearea of the shell.
If the MATERIAL and COMPOSITE parameters are omitted, this density accounts for the
mass of the shell, since no material definition is given.
If the MATERIAL or COMPOSITE parameter is used, the mass of the shell incl udes a
contribution from this parameter in addition to any contr ibution from the material definition.
Optional parameters:
CONTROLS
In an ABAQUS/Explicit analysis, set this parameter equal to the name of a section controls
definition (see “Section controls,” Section 21.1.4 of the ABAQUS Analysis User’s Manual) to
be used to specify the second-order accurate element formulation option, a nondefault hourglass
control formulation option, or scale factors.
In an ABAQUS/Standard analysis, set this parameter equal to the name of a section
controls definition to be used tospecify the enhanced hourglass control formulation (see “Section
18.14–1
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