HyperMesh and BatchMesher

Transformations transformationEntity-24

Transformations transformationEntity-24

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Transformations transformationEntity-24

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Transformation entities hold the transformation information that is provided in the datalines of the *NMAP keyword. One Transformation entity is automatically created when you create a Position entity in the Solver browser. Transformation entities can be manually created in the Model browser, and are organized in the Transformation folder.

Transformations have an active and export state. The active state of a transformation controls the listing of the transformation in the Model browser. If a transformation entity is active, then it is listed in the Model browser. If a transformation entity is inactive, then it is not listed in the Model browser.

The export state of a transformation entity controls whether or not that transformation is exported when the custom export option is utilized. The all export option is not affected by the export state of a transformation. The active and export states of transformation entities can be controlled using the Entity State browser.

 

Solver Card Support for Transformations

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Supported Card

Solver Description

Supported Parameters

Notes

*NMAP

Maps nodes from one coordinate system to another, and rotates, translates, or scales the nodal coordinates.

Type (Translation, Rotation, Scale)

Translation (Point A, Point B, Magnitude)

Rotation (Point A, Point B, Point C, Angle)

Scale (Scale Origin, Uniform scale, Scale size)

More than one transformation can be applied on a given Node Set using additional *NMAP keywords.

A given transformation can be applied multiple times using separate *NMAP keywords for each required instance.

The coordinates for Point A and Point B cannot be the same.

If the Magnitude is greater than 0, the nodes will be translated in the direction of the vector AB; if the Magnitude is less than 0, the nodes will be translated in the opposite direction of the vector AB. If the Magnitude is equal to 0, an error message will be issued when the transformation is applied.

A positive angle results in a counter clockwise rotation; a negative angle results in a clockwise rotation. If the Angle is equal to 0, an error message will be issued when the transformation is applied.

If the scale factor along the X, Y, and Z axes are uniform, then the Uniform Scale checkbox can be selected and one Scale size can be specified. If the scale factor is different along each axis, then it can be entered separately by clearing the Uniform scale checkbox.

 

 

 

 

See Also:

Browsers

HyperMesh Entities & Solver Interfaces

Include Files

Model Setup