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Floating point division by zero


On performing a modal analysis (eigenfrequencies, eigenvalues) in PowerFrame, following error appears: Floating point  division by zero


Mostlikely the correlation factor φ, for taking into account modal masses, is at 0 for all load groups:

  1. Go the Loads window
  2. In the palette, click on .
  3. Fill out the φ factor
    • 1 –  selfweight and dead loads
    • 0 –  short period loads such as wind or snow
    • 0.3 – the quasi-permanent effect of live loads


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