Overset mesh and dynamic mesh

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  • Last Post 27 February 2019
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ari003 posted this 26 February 2019

What is the difference between overset and a dynamic meshing? 

Where is it's application in respective field?

Will be very helpful if someone helps me out.

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rwoolhou posted this 26 February 2019

Overset has a fixed mesh that sits on top of a background mesh. The overset mesh can move relative to the background mesh but cells do not change shape. 

Dynamic mesh means the cells are deformed as part of the geometry moves within the domain. 

 

Both are used in many applications: we tend to look at an application and then decide on the best model from there. 

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ari003 posted this 27 February 2019

Both moves with respect to the background but it will be more clear if you give some distinct example of each.

rwoolhou posted this 27 February 2019

Here's overset   

 

Moving mesh   

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ari003 posted this 27 February 2019

I am new to this fluent, so I am unable to catch which examole is to solve with which case. The examples which you have mentioned above I ve seen it before but what is the distinct between the two? Cant the second example post above be done with overset mesh?

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