Numerical Analysis of the Interaction Between a Fixed FPSO Benchmark Model and Focused Waves

To study the requested blind test, our in-house two-phase flow solver naoe-FOAM-SJTU is applied to simulate the wave-structure interaction problem between focused waves and the FPSO benchmark model. According to the experimental requirements, a series of focused waves with different wave steepness (kA=0.13, 0.18 and 0.21) are generated using underlying JONSWAP Spectrum. The validation work shows a good correlation when comparing the numerical wave elevation results of focused waves with the corresponding experimental results. On the basis of effective wave environments, the pressures on the FPSO bow are calculated. The diffraction effect and the wave run-up phenomenon around the FPSO hull in different wave steepness are discussed to explain the blind calculation results.

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