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Convergence of Residuals

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Old   April 29, 2020, 05:35
Question Convergence of Residuals
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Aashi
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Hello to everyone. I am performing sloshing analysis on a cylindrical tank on which I have applied displacement sinusoidal loading but when I ran the solution my residuals come up as shown below I want to know is this reliable solution as only RMS v mom bulk residual diverges after 250 timesteps then converge. is this converged solution or not? my convergence criteria were 1e-04
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File Type: jpg Residuals 20d.jpg (56.3 KB, 8 views)
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Old   April 29, 2020, 14:28
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duri
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Since this is unsteady convergence need to be checked for each time step. Residual jump at the beginning of each time step is expected as unsteadiness is created by motion.
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Old   May 1, 2020, 17:05
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Thanks for your valuable comments duri
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