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Using Abaqus to calculate frequency and unit diameter stress of spans (DNV-RP-F105)

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Using Abaqus to calculate frequency and unit diameter stress of spans (DNV-RP-F105)

Using Abaqus to calculate frequency and unit diameter stress of spans (DNV-RP-F105)

(OP)
Hi

I'm performing a VIV fatigue analyses of proposed 3D spools design based on DNV-RP-F105. The proposed spool contain 2 large spans. I've calculated the natural frequency, but now I need to calculate the unit diameter stress amplitude (this is defined in F105 as the stress due to unit outer diameter mode shape deflection). How can I calculate this in ABAQUS?

Zenan

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