NX Nastran DMAP Programmer's Guide - Kxcad.net

UREDUC
Reduces rectangular matrices from p-set (or g-set) to d- and/or h-set
UREDUC Reduces rectangular matrices from p-set (or g-set) to d- and/or h-set
Reduces rectangular matrices of displacements or loads from the p-set (or g-set) to the
d- and/or h-set.
Format:
UREDUC
Input Data Blocks:
Output Data Blocks:
Parameters:
None.
⎧XP ⎫ ⎧USETD ⎫ ⎧GMD ⎫ ⎧GOD ⎫ ⎧PHDH ⎫
⎨ ⎬,
⎨ ⎬,
⎨ ⎬,
⎨ ⎬,
⎨ ⎬/
⎩XG ⎭ ⎩ USET ⎭ ⎩ GM ⎭ ⎩GOA ⎭ ⎩ PHA ⎭
XD,XH,XS $
XP Rectangular matrix of displacements or loads in the p-set
XG Rectangular matrix of displacements or loads in the g-set
USETD Degree-of-freedom set membership table for p-set.
USET Degree-of-freedom set membership table for g-set.
GMD Multipoint constraint transformation matrix with extra points, m-set by
ne-set.
GM Multipoint constraint transformation matrix, m-set by n-set.
GOD Omitted degree-of-freedom transformation matrix with extra points,
o-set by d-set.
GOA Omitted degree-of-freedom transformation matrix, o-set by a-set.
PHDH Transformation matrix from d-set to h-set (modal).
PHA Normal modes eigenvector matrix in the a-set.
XD Rectangular matrix of displacements or loads in the p-set
XH Rectangular matrix of displacements or loads in the h-set (modal)
XS Rectangular matrix of displacements or loads in the s-set
Remarks:
1. If PHDH is purged PH will not be output.
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