# PFEM Analysis
analysis('PFEM', dtmax, dtmin, gravity[, ratio]) ΒΆ
<blockquote>construct the PFEM Analysis object.</blockquote>
Parameters: |
* dtmax (float) - maximum time step |
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* dtmin (float) - minimum time step |
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* gravity (float) - the gravity acceleration for fly-out nodes, up is positive. |
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* ratio (float) - the ratio for automatic reducing time step size. |
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|Returns: |
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|Return Type: |
None |