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Comment: Revised heading for response spectrum scale factor to make it more precise.
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This page is devoted to frequently asked questions (FAQ) related to response-spectrum analysis.

 

RSA definition

What value of scale factor

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should be entered in the definition of a response

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spectrum load case?

Answer: When the response-spectrum curve is defined, acceleration is typically entered as a fraction of gravitational acceleration (9.81 m/sec2 or 32.2 ft/sec2). Scale factor should be specified such that its product with response-spectrum values generates the acceleration units desired.

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