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Origin Command

The Origin command has two functions depending on whether it is used in a BMPRegion command or if it is used outside that command in FEA calculations.

Stand Alone FEA Use

For FEA analysis (and outside any BMPRegion command), the Origin command is used to set the origin for entry of key points using the (style)="polar" option. The format is

Origin (xo),(yo)

where (xo,yo) are the coordinates of the new origin (or R and Z coordinates if axisymmetric) (in length units). This origin is only used when using the "polar" mode for entering key points. The default origin is (0,0).

Use Within a BMPRegion command

When used within a BMPRegion command for either MPM or FEA, the Origin command is used to map the image in the associated BMP File to the background MPM grid or the existing FEA mesh. Its format is

Origin (xo),(yo),<(zo)>,<(flip)>

where:

The default origin (if none is specified) is (0,0,0). See BMPRegion command for details on using BMP files to create material points of FEA elements.