Mesh dependency/independency study: best mesh size

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This video explains the necessity and method of mesh dependency study. The best mesh size is the coarsest mesh size with acceptable accuracy. This video explain how we can be sure that the mesh size is appropriate and the model in not mesh dependent.
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  2. Abaqus
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  6. Meshing techniques in Abaqus
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Thankyouu so much for sharing your knowlegde with us. ❤❤❤

vivekshinde
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Hello sir,

I have a hexahedral multi-block structured mesh in ICEM CFD, I got some results from this mesh.

Now, I have to do a mesh independence test.

Please tell me which is the correct way to increase the number of mesh elements:

Should I

1) Re-mesh the whole geometry with smaller element size

2) increase the number of nodes in each block.

3) increase the scale factor like 1.2 or 1.3 etc....

Thank you!

muhammadwaseem-xmco
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So here bias is not suitable? How would I do if I use a double hole size circle to partition a new region and just use finer mesh in this region? I want to use number of elements. Is it strange?

yifanzhi
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What's the meaning of 10×10 mesh size

satadrusingha
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how did you calculate the % differences?

nonkululekomdlalose
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How to find how much the computational time is?

Azch