... reservoir simulation stress point shimizu ulsph-sp model upstream oil & gas gotoh particle hsph structure model stress tensor fluid dynamics fsi solver composite material interaction composite elastic plate structure model khayyer equation boundary condition ABSTRACT...

... discretization schemes (e.g. Khayyer et al., 2011; Fatehi and Manzari, 2011; Duan et al., 2021). The application of high-order consistent discretization schemes for differential operators would reduce the so-called "discretization error" (Quinlan et al., 2006) and result in enhancement of accuracy...

... methods such as the Moving Particle Semi-implicit (MPS) method (Khayyer et al. 2019), Incompressible Smoothed Particle Hydrodynamics (ISPH) (Chow et al. 2018), Meshless Local Petrov Galerkin (MLPG) (Ma 2005) and Consistent Particle Method (CPM) (Koh et al. 2012). The fundamental theories, numerical...

... of studies on the problem interpolation characteristics of particle method, the pressure oscillation of slamming. The research methods can be roughly divided into three may occur, which will affect the accuracy of the algorithm (Khayyer et categories: theoretical research, experimental research and numerical...

... of the highlyinteractive/ complex FSI systems are of considerable importance. Considering the challenging features of ocean/coastal engineering FSI problems (e.g. violent free-surface flows, large structure deformations, large/abrupt impact pressure etc.), fully Lagrangian meshfree numerical methods (Gotoh and Khayyer...

... violent flow mesh-free method khayyer ice cover partial ice cover Simulation of dam-break flow over partial ice cover by an improved mesh-free method Yiqun Ye, Tibing Xu School of Civil and Environmental Engineering, Ningbo University, Ningbo, Zhejiang, China ABSTRACT In this study, an improved...

... artificial intelligence khayyer particle wave height reservoir characterization upstream oil & gas mp method zhang mesh-free method interaction lower surface experiment simulation evolution ocean engineering hydrodynamic pressure MPS Method for Study of Interactions between Solitary...

... spreading flow of oil spill which involved oil-water interface and air-water/air-oil free surfaces by a multiphase MPS method. Khayyer and Gotoh (2013) and Khayyer et al. (2019) enhanced the stability and accuracy of projection-based particle methods on the calculation of multiphase flows with large...

... separation and treating viscosity multiphase mp method experiment simulation upstream oil & gas khayyer Multiphase MPS Method for Two-Layer-Liquid Sloshing Flows in Oil-Water Separators Xiao Wen, Decheng Wan*, Gang Chen Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration...

... A Coupled Incompressible SPH-Hamiltonian SPH for Fluid-Structure Interactions Hosein Falahaty, Abbas Khayyer, Hitoshi Gotoh Department of Civil and Earth Resources Engineering, Kyoto University, Katsura Campus, Nishikyo-ku, Kyoto, Japan ABSTRACT An enhanced fully-Lagrangian computational method...

... the numerical noises in pressure, and thus, much effort has been devoted to develop accurate multiphase particle method for more numerical stability and accuracy (Gotoh and Khayyer, 2016; Gotoh and Okayasu, 2017). While, reproduction of turbulence is also one of the most important factor to guarantee...

... to discontinuity of large density ratio in the vicinity of the interface(Khayyer and Gotoh, 2013). In general, the Eulerian approaches such as VOF(Volume-of-Fluid), Level-Set and MDF(Marker-Density Function) method have been used as numerical method for analyzing multiphase flows with the large density ratio(Hirt...

..., there are various gridless/meshless-based particle methods, such as SPH (Smoothed Particle Hydrodynamics) method (Gingold and Monaghan, 1977; Lucy, 1977), and MPS (Moving Particle Semi-implicit) one (Koshizuka and Oka, 1996; Khayyer and Gotoh, 2009; Khayyer and Gotoh, 2016) to simulate effectively such complicated...

... nonlinear water wave khayyer ns model node subdomain equation particle artificial intelligence computational physics boundary condition interface zonal approach engineering coupling free surface interaction A Hybrid Approach Coupling MLPG-R with QALE-FEM for Modelling Fully Nonlinear Water...

... khayyer wave interaction incompressible sph method boundary condition Improved SPH for simulating violent flow and two bodies interaction Xing Zheng1, Xi-peng Lv1, Qing-Wei Ma2,1 and Wen-yang Duan1 1College of Shipbuilding Engineering, Harbin Engineering University, Harbin, China 2Schools...

...Improvement of (nergy &onservation in 3article 0ethods with (nhanced 6chemes Hitoshi Gotoh, Abbas Khayyer, Yuma Shimizu Dept of Civil and Earth Resources Engineering, Kyoto University Kyoto, Kyoto, Japan ABSTRACT The MPS (Moving Particle Semi-implicit) method is a Lagrangian meshless method...

... and thus imposing an allowable range of density variations for the compressible phase. Verifications are conducted by means of a 2D liquid impact and impacts of rigid pates on flat water surfaces. flat plate time history khayyer experiment ec scheme peak pressure mp method verhagen impact...

... low-resolution particles, while the CPU time cost is much less than that by using high-resolution particles in the whole domain. khayyer particle artificial intelligence efficiency free surface flow reservoir simulation imaginary cell koshizuka computation boundary coarse particle...

... is perfect, the conservation of momentum may not be guaranteed in a particle-based calculation due to the local kernel-based discretization of governing equations (Khayyer et al., 2008; Khayyer and Gotoh, 2008a,b). Key of momentum conservation is the description of approximated interparticle forces...

... Wave Impact Calculations by Improved SPH Methods Abbas Khayyer Department of Urban and Environmental Engineering, Kyoto University, Katsura Campus, Nishikyo-ku, Kyoto, Japan Hitoshi Gotoh Department of Urban and Environmental Engineering, Kyoto University, Katsura Campus, Nishikyo-ku, Kyoto, Japan...