Dear Sirs,
I'm doing spectral fatigue for Topside modules of a floating structure using Tow Fatigue. I have tried someway to include the effects of natrual frequencies of the structures into their responses but it seems that SACS does not support such dynamic effects. Please advise the current calculation procedure of TOW FATIGUE? Is there any way to count for such thing?
Thanks & Regards,
HoanVV.
Hoan V.V.
You are correct, TOW FATIGUE does not do modal analysis. We would like to suggest you do the analysis in MOSES. MOSES does the analysis as described in OTC 4161, "A quasi-static approach for transportation analysis of offshore platforms". Please have a review and let us know if that is what you are interested in.