pyyeti.nastran.bulk.wtqcset

pyyeti.nastran.bulk.wtqcset(f, startgrid, nq)[source]

Writes Nastran QSET1 and CSET1 cards for GRID modal DOF for use in the DMAP “xtmatrix”.

Parameters:

  • f (string or file_like or 1 or None) – Either a name of a file, or is a file_like object as returned by open() or io.StringIO. Input as integer 1 to write to stdout. Can also be the name of a directory or None; in these cases, a GUI is opened for file selection.

  • startgrid (integer) – The start ID for the modal grids that need to be assigned to the Q-set and C-set. Any extra DOF are assigned to the C-set. Created grid IDs will be sequential.

  • nq (integer) – Number of modal DOF

Returns:

None

Examples

>>> from pyyeti import nastran
>>> import numpy as np
>>> nastran.wtqcset(1, 990001, 14)
QSET1     123456  990001 THRU     990002
QSET1         12  990003
CSET1       3456  990003