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Mode Amplitude at Mesh Points Query

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Old   November 28, 2015, 10:02
Question Mode Amplitude at Mesh Points Query
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mechkween is on a distinguished road

I have a doubt regarding mesh analysis for a turbine vane using the spanwise mode amplitude. I came across the approach for a DNS simulation and I am including a snapshot of the section.
Can someone break it down what the mode amplitudes represent here and why are they a criterion for mesh resolution, not to mention how can I obtain these values typically for a mesh?

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dns, mesh resolution, modes, spanwise

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