Last Aspect Ratio Inflation Option In ANSYS® Meshing(Illustrated Expression)

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There are various kinds of meshing created, on options in ANSYS® Meshing according to the geometry that is uploaded and the governing physical situation such as fluids, solids, etc. And there is an inflation option in ANSYS® meshing that you can create mesh structure in different features by entering different values. In this article, we will show,

  • What is the ‘Last Aspect Ratio’ mesh inflation option in ANSYS® Mesher?
  • How the ‘Last Aspect Ratio’ is adjusted in ANSYS® Mesher?

What Is ‘Last Aspect Ratio’ In ANSYS® Mesher?

Select the ‘Last Aspect Ratio’ in ANSYS® Mesher.

Adjusting the Inflation Option in ANSYS® Mesher to the ‘Last Aspect Ratio’ option like above that is shown by the red arrow above. Just click on the ‘Mesh’ tab as shown by the red box then select the ‘Last Aspect Ratio’ form ‘Inflation Option’ in ANSYS® Mesher.

Enter the required values for the ‘First Aspect Ratio’ inflation option in ANSYS® Mesher.

You need to specify the values above, or you can leave the values as default as shown by above for ‘Last Aspect Ratio’;

First Layer Height: You know that inflation starts from a planar surface in ANSYS® Mesher. The first layer of mesh elements will in contact with the surface. So you need to specify the first layer height of your meshing elements.

Maximum Layers: In inflation meshing in ANSYS®, there is a layered structure. You can specify the number of maximum meshing layers that will start from the surface. Or you can leave it as default as shown above.

Aspect Ratio(Base/Height): As you understand from its name, you will specify the ratio base size that the mesh elements will be extruded and layer height. You can enter a value between 0.5 and 20 for Aspect Ratio in ANSYS® Mesher.

Conclusion

The use of the ‘Last Aspect Ratio’ definition in ANSYS® Mesher is like above. Leave your comments and questions below about ‘Last Aspect Ratio in ANSYS® Inflation meshing’.

NOTE: All the screenshots and images are used in education and informative purposes. Images used courtesy of ANSYS, Inc.

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