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Error in solving acoustic analysis

Hi sir,

While solving the acoustic analysis of a stator component, I got the following error 1686. Can you tell me how to eliminate the same?

I tired detaching the solid and fluid elements.... Still getting the same error

<?xml version="1.0" encoding="UTF-8"?>

English

OptiStruct

Hi Mayur,

Looks like you are making structural grids to fluid grid by editing those nodes and providing CD= -1.

Please check the same and run again,

Hi,

I am getting the same error again. I tried using 'detach' command and providing cd=-1 for fluid grids,

But still I'm getting the error.

Could you have a look at the model?

Could you help me on this please.

It's pretty urgent

Hi Mayur,

Please detach the fluid and the structural grids, assign cd= -1 and try running.

If issue persist please share the model file.

Where and how to assign cd= -1?