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Response function coordinate systems

When you generate elemental, peak, LCR, RMS, or CSD response functions, the coordinate system you select in which to display the results may conflict with the coordinate system the modal model uses. In the event that the coordinate systems are different, the results appear as shown in the following table.

Note:

Shell stress resultants use the same coordinate system as the modes.

Element type CSYS modes are stored in CSYS selected for response function CSYS used for response function
3D Nastran Basic (global/absolute CSYS) Element Global/Absolute
Material Global/Absolute
Material Element Global/Absolute
Material Material
2D or 1D Element Element Element
Material Element
Material Element Element
Material Material
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Response function coordinate systems, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/id631036 · retrieved 2026-07-17