Numerical Simulation of Wave Loading on Static Offshore Structures

被引：26
|
作者：
Jasak, Hrvoje [1 ,2 ]
Vukcevic, Vuko [2 ]
Gatin, Inno [2 ]
机构：
[1] Wikki Ltd, 459 Southbank House, London SE1 7SJ, England
[2] Univ Zagreb, Fac Mech Engn & Naval Architecture, Zagreb 10000, Croatia
来源：
CFD for Wind and Tidal Offshore Turbines | 2015年
关键词：
OPENFOAM(R); GENERATION;
D O I：
10.1007/978-3-319-16202-7_9
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This chapter presents numerical simulations of water waves using the Finite Volume Method. Wave loads exerted on a truncated circular cylinder are calculated and compared to experimental data. Mathematical model of two-phase incompressible flow is based on Navier-Stokes equations with Volume-Of-Fluid method for interface capturing. Waves are generated and absorbed using relaxation zones with prescribed potential flow solution. Potential flow and CFD solutions are blended implicitly within governing equations. The novel approach allows stable simulations at higher Courant-Friedrichs-Lewy numbers. The algorithm is described in detail and implemented within OpenFOAM/FOAM-extend in Naval Hydro pack. The method is validated on two test cases, both regarding truncated circular cylinder. The first test case considers maximum regular wave loads with different frequencies and wave heights. The second test case simulates phase focused freak wave and its impact on the cylinder.
引用
收藏
页码：95 / 105
页数：11
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