Structured parallelisation of the flow simulation package TRIWAQ

Roest, Mark R.; Vollebregt, Edwin A. H.; Cate, Eric ten; Lin, Haifeng

doi:10.1007/bfb0046621

Cited by 2 publications

(1 citation statement)

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“…Furthermore, dense matrices will be produced and solving the linear algebraic system would take much time, although some efficient numerical techniques can be utilized to speed up computation [14][15][16]. Another alternative model is based on the shallow water equations by using FDM [17,18]. It uses the assumption of hydrostatic pressure and the applicability of water depth is limited.…”

Section: Introductionmentioning

confidence: 98%

A meshless numerical wave tank for simulation of nonlinear irregular waves in shallow water

Xiao

Yang

Tao

et al. 2008

Numerical Methods in Fluids

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SUMMARYTime domain simulation of the interaction between offshore structures and irregular waves in shallow water becomes a focus due to significant increase of liquefied natural gas (LNG) terminals. To obtain the time series of irregular waves in shallow water, a numerical wave tank is developed by using the meshless method for simulation of 2D nonlinear irregular waves propagating from deep water to shallow water. Using the fundamental solution of Laplace equation as the radial basis function (RBF) and locating the source points outside the computational domain, the problem of water wave propagation is solved by collocation of boundary points. In order to improve the computation stability, both the incident wave elevation and velocity potential are applied to the wave generation. A sponge damping layer combined with the Sommerfeld radiation condition is used on the radiation boundary. The present model is applied to simulate the propagation of regular and irregular waves. The numerical results are validated by analytical solutions and experimental data and good agreements are observed.

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