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"The fluid-solid interface is not valid..."

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Old   March 12, 2017, 20:27
Default "The fluid-solid interface is not valid..."
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rjw
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Attempting to set-up a FSI, and in the transient structural analysis, I get the following message:

"The fluid solid interface load is not valid for multi-step analysis."

I have selected all faces that will participate in the analysis, but I still get this declaration. Is there a trouble-shooting guide to eliminate this kind of error?My model is not overly complex.
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Old   August 5, 2023, 14:43
Post Similar issue: Help!
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anish
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Dear sir,

I am facing similar issue. "The fluid solid interface load is not valid for multi-step analysis."

I was wondering if you had found the solution to defining Fluid Solid Interface in multi-step FSI.

Any suggestion would be appreciated.

Thank you.
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Old   August 15, 2023, 05:28
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Dear sir,

I am also facing the same issue, have you solved this problem?
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Old   March 7, 2024, 05:27
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In this case, I try to make sure that the mesh settings are compatible with multi-step FSI. I look for mismatches between the fluid and solid meshes, especially in the interfaces.
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