engAnthony
Civil/Environmental
Hi!!!
Anyone know how to obtain the normalized mode-shape matrix from SAP2000?
Thanks in advance
Anyone know how to obtain the normalized mode-shape matrix from SAP2000?
Thanks in advance
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Mode-Shapes
- Thread starter engAnthony
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I think you can get that by displaying tables, joint displacements, and selecting the modal analysis case. I seem to remember them being normalized so that
[PHI]'*[M]*[PHI]= but I'm not sure. I'd create a 2 or 3 DOF simple model and test that assumption if I needed to know that.
[PHI]'*[M]*[PHI]= but I'm not sure. I'd create a 2 or 3 DOF simple model and test that assumption if I needed to know that.
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