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Hi,
I need to carry out a modal analysis with operating speed. I know how to carry out a Normal mode analysis with EIGRL card in Optistruct.
How to specify the operating speed as load in Modal analysis.
Hi @sten9mpk
Check Modal frequency response analysis.
I am trying to find out the natural frequencies of the system when it is rotating at an RPM. basically i want generate a Campbell diagram. this will not be a Response analysis.
@sten9mpk
You can run a static analysis with the load and refer this in a normal mode subcase under STATSUB(Preload)
