_err.grid file

The _err.grid file is an OptiStruct ASCII format results file.

File Creation

This file is automatically created when freeshape and topography (or shape) optimization runs are terminated due to mesh distortion.

File Contents

Result
Description
Nodal locations
It contains the nodal coordinates of the distorted mesh for freeshape and topography (or shape) optimization.

File Format

The file uses the following format for each grid in the model:
GRID Id Cp X1 X2 X3 Cd Ps
Data
Description
GRID
Identifies this as a GRID card image.
Id
Unique grid point identification number.
Cp
Is blank.
X1, X2, X3
Provides the location of the grid point in the global coordinate system.
Cd
Identification number of the coordinate system in which the displacements, degrees-of-freedom, constraints, and solution vectors are defined at the grid point.
Ps
SPC associated with the grid.