Why the fluid flows through the flap？

Using preCICE
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1

I am using overset for 2D dam-breaking, but the fluid does not interact with the dam; instead, it passes directly through it.

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2

I have already resolved it.

3

Hi,

could you explain what the problem was?

Best F

4

I am using overset to create a dambreaking example.At first, my fluid did not collide with the flap, but passed through it.Later, it was discovered that the problem was with the zone ID.I missed this part, and adding it solved the problem.

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