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Random coordinate system in a mesh
Posted 21 giu 2016, 10:13 GMT-4 Materials, Mesh, Parameters, Variables, & Functions, Structural Mechanics Version 5.1 2 Replies
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Hi everyone!!!
I am trying to change the coordinate system of my model so I can homogenize a material form by fibers randomly orientated.
I have a 2D model, a square. I have meshed with "mapped" so the model is divided in small rectangles. Is it a way that each small rectangle of the mesh has its own coordinate system?? And that coordinated system rotated it a random angle?? So each small rectangle of the mesh has a different orientation, similar to how it is done in ANSYS.
I imagine it will be done with "rotated system" and a random function but I dont know how to match it with each small rectangle.
Thanks for your time
I am trying to change the coordinate system of my model so I can homogenize a material form by fibers randomly orientated.
I have a 2D model, a square. I have meshed with "mapped" so the model is divided in small rectangles. Is it a way that each small rectangle of the mesh has its own coordinate system?? And that coordinated system rotated it a random angle?? So each small rectangle of the mesh has a different orientation, similar to how it is done in ANSYS.
I imagine it will be done with "rotated system" and a random function but I dont know how to match it with each small rectangle.
Thanks for your time
2 Replies Last Post 22 giu 2016, 04:31 GMT-4
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Posted:
8 years ago
Hi,
Here is a suggestion:
1. Add a Random function with range 2*pi (default name rn1).
2. Call it from the rotated system by setting the angle to 'rn1(meshelement)'
3. Use that system in the appropriate material node, for example Linear Elastic with an Orthotropic material.
Regards,
Henrik
Here is a suggestion:
1. Add a Random function with range 2*pi (default name rn1).
2. Call it from the rotated system by setting the angle to 'rn1(meshelement)'
3. Use that system in the appropriate material node, for example Linear Elastic with an Orthotropic material.
Regards,
Henrik
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Posted:
8 years ago
Worked perfectly!!!
Thanks a lot Henrik
Thanks a lot Henrik