@Jim I tried running models using 2D shell and 3D solid elements. But somehow I am getting different results in both cases. The time of arrival of waveforms and even the waveforms in each case is way too different. I have attached the waveforms at same location below. Based on the expected velocity,solid model seems to be working fine but I cannot figure out what's wrong with my 2D model. Any suggestions would be greatly useful.
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