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Smaller element size caused problem in Acoustic-Shell Interaction
I found an interesting result from COMSOL 4.4 Acoustic-Shell Interaction. Let me describe it here: I have a 1 square meter cubic whose all 6 walls were set to Sound Hard Boundary except a A2 size...
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But if I do a Frequency Domain frequency sweep excitation, the result won't be sensitive to the element size any more... Who can give me some clue about how should this happen?
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