Sphere Of Influence Element Sizing In ANSYS(Illustrated Expression)

You can define your element size of mesh structure that is inside defined sphere. This can be very useful in certain situations in ANSYS Meshing. If you want to obtain a certain size of mesh element in certain portion of your geometry in ANSYS, you can do this kind of thing with ‘Sphere Of Influence’ option of Sizing tool of ANSYS Meshing. You can find information about how to define mesh size with sphere of influence in ANSYS Meshing below with a very basic example.

How To Use Sphere Of Influence Meshing In ANSYS?

Click on ‘Sizing’ tool in ANSYS Meshing.

To use Sphere of Influence mesh sizing, right click on ‘Mesh’ tab then hover your mouse on ‘Insert’ as shown by red arrow above, and click on ‘Sizing’ as in red box above.

Select the geometry that you want to use ‘Sphere of Influence’ method.

You need to select the geometry that you want to use ‘Sphere of Influence’ on it as shown by re arrow, then click ‘Apply’ on geometry tab as shown by blue arrow above in ANSYS Meshing.

Select the ‘Sphere of Influence’ as shown by bleu arrow.
Define the required parameters for ‘Sphere of Influence’ in ANSYS.

To defin ethe center of the sphere, you need to select a coordinate system as shown by red arrow above. You can create coordinate systems where do you want to place your sphere. After that, you need to define the radius of the sphere, and mesh element size inside this sphere as in red box. Preview of sphere of influence is shown by program as shown by green arrow above.

Click on ‘Update’.

To create the mesh structure, right click on ‘Mesh’ tab then click on ‘Update’ as in red box above.

Mesh structure that is created with ‘Sphere of Influence’ method.

You can see the influence of sphere as shown by red arrow that there is a transition between normal areas and sphere influenced mesh in ANSYS.

Do not forget to leave your comments and questions about ‘Sphere of Influence’ method in ANSYS Meshing below!

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