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I'd like to analyze harmonic response with fluid grid.

I set PAABSF as non reflect boundary condition.

but these elements occurred errors.

 What is the problem?

 

image.thumb.png.06d2c4cc37818094191190f81e331530.png

 

 

image.thumb.png.d37a864b6d448cc6314db8b322064e88.png

 

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I guess you have solid elements in your model and while meshing you would have used shell element (CTRIA) for solid element (Ctetra)creation.Please delete CTRIA elements and run again.

Delete:Element by config:CTRIA3:select entity and delete

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Hello,

But CTRIA3 is used in PAABSF and input Panel,(boundary condition)

So I cannot delete CTRIA3.

How should I do?

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I understand that we cannot change element type from card edit.

we need to set from 2D⇒elem types panel.

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I could clear the element problem,

but another error occurred...

Could you find the cause?

 

0705.png

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