Axisymmetric Mesh

Discussion about meshing issues.

Axisymmetric Mesh

Postby xlao » Mon Sep 18, 2017 5:28 pm

Hi,

Does Trelis has a way to mesh a geometry with axisymmetric mesh? For example, meshing a cylinder with axisymmetric mesh in which the mesh varies radially but the same about cylinder's longitudinal axis?

Particularly, I am interested in a quarter model of a smooth blunt notch specimen (see picture in attachment).

Thanks,
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xlao
 
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Re: Axisymmetric Mesh

Postby csimsoft Moderator » Tue Sep 19, 2017 9:52 am

I usually look at how the model could be swept and what I need to do to get sweepable volumes. Here is one way:

#Create example model
reset
create Cylinder height 10 radius 2
create torus major radius 2 minor radius 1
subtract volume 2 from volume 1
webcut body 1 with plane xplane offset 0
webcut body 1 with plane yplane offset 0
del vol 3 4

#Mesh
webcut volume 1 with cylinder radius .5 axis z
merge all
mesh vol all
refine volume all numsplit 1 bias 1.0 depth 1 smooth

By using a cylinder to cut Volume 1, Volume 1 can be swept using Surfaces 35 37 and Volume 5 can be swept using Surfaces 40 43.
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csimsoft Moderator
 
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Location: American Fork, UT


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