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Mesh Rotation roundoff error

User: "Marty Brady"
Marty Brady
Altair Community Member
Updated by Marty Brady

I have a mesh that has nodes on the Z=0 plane, The nodes are at z=0.0 exactly. I rotate the mesh about the X axis 90 degrees. The nodes that were on the Z plane (z=0.0) are now around -1.0e-14 on the Y plane. The solver I am using needs the nodes to be on Y=0.0.

I used Tools>Rotate   Nodes: Selected all   |  x-axis  b X=0.0 Y=0.0 Z=0.0   |  angle=90.000   | rotate+

1. How can I rotate the mesh and get the Y plane nodes to land on Y=0.0?

2. If that can not be done How can I move the 20,000 nodes at Y=-1.0e-14 to the Y=0.0 plane?

Marty

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