Shell Element

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This command is used to construct a ShellMITC4 element object, which uses a bilinear isoparametric formulation in combination with a modified shear interpolation to improve thin-plate bending performance.

element ShellMITC4 $eleTag $iNode $jNode $kNode $lNode $secTag

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$eleTag	unique element object tag
$iNode $jNode $kNode $lNode	four nodes defining element boundaries, input in counter-clockwise order around the element.
$secTag	tag associated with previously-defined SectionForceDeformation object. Currently must be either a PlateFiberSection, or ElasticMembranePlateSection

NOTE:

1. The valid queries to a Quad element when creating an ElementRecorder object are 'forces', 'stresses,' and 'material $matNum matArg1 matArg2 ...' Where $matNum refers to the material object at the integration point corresponding to the node numbers in the isoparametric domain.

EXAMPLE:

REFERENCES:

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Code Developed by: Edward Love, Sandia National Laboratories