Last Time Step is not Converged.

Dear Experst

I am doing time dependent FSI and i am applying sinusoidal pressure but always i am facing the same problem that is last solution time step not converged.

Even Comsol is not solving the problem 1 percent I don't what kind of mistake i am doing please help me i am new in comsol.

Thanks in Advance.

Best Regards

Muhammad Ikhlaq