# PFEM Analysis

< Back

analysis('PFEM', dtmax, dtmin, gravity[, ratio]) ΒΆ

<blockquote>construct the PFEM Analysis object.</blockquote>

Parameters:

* dtmax (float) - maximum time step

* dtmin (float) - minimum time step

* gravity (float) - the gravity acceleration for fly-out nodes, up is positive.

* ratio (float) - the ratio for automatic reducing time step size.

|Returns:

|Return Type:

None