Shell stress resultants

Shell stress resultants are two sets of tensor data:

where

	= the membrane stress resultants
	= the transverse shear stress resultants
	= the bending stress resultants

Note:

The preceding information uses Simcenter Nastran component names. The shell stress resultant component names that appear in Pre/Post post-processing do not match the component names that appear in the Simcenter Nastran result files. The Pre/Post component names correspond to Simcenter Nastran shell stress resultant component names as follows:

Response Dynamics	Simcenter Nastran
NXX	FX
NYY	FY
NXY	FXY
MXX	MX
MYY	MY
MXY	MXY
QXZ	QX
QYZ	QY

The output responses are in the element or material coordinate system, and the direction of the loading axis will be stored in the function ID lines.

Response Dynamics calculates elemental response functions of shell stress resultants only at nodes where corresponding modes data exists. There are eight data components per node where the modes exist on one element.

The output responses are in the element coordinate system, and the direction of the loading axis is stored in the function ID lines.

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Theory of Fast RMS modal response computing

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Shell stress resultants, Simcenter 3D 2021.1 Series

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