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- Select the case(s) through Define > Convert Combos to Nonlinear Cases
- Add the nonlinear case(s) to a user-defined combination with a scale factor of 1.0.
- For design, you can , apply select the created nonlinear combination as design load combinations.
- Perform design.
Please note that response-spectrum analysis only applies to linear systems. Further, response-spectrum loads cannot be converted to nonlinear cases.
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