نتایج جستجو برای: moving particle semi implicit mps method

تعداد نتایج: 1996761  

Journal: :Journal of Marine Science and Application 2022

Abstract With the significant development of computer hardware, many advanced numerical techniques have been proposed to investigate complex hydrodynamic problems. This article aims provide a detailed review moving particle semi-implicit (MPS) and their application in ocean coastal engineering. The achievements MPS method stability accuracy, boundary conditions, acceleration are discussed. appl...

Journal: :Coastal Engineering 2022

We model regular and irregular design waves of interest in coastal ocean engineering, using a Numerical Wave Flume (NWF) based on Moving Particle Semi-Implicit (MPS) method. A key feature the is implementation new scheme for artificial viscosity, which original to Smoothed Hydrodynamics (SPH) method here formalised into MPS context. In addition, we complement NWF with wave generator dynamic bou...

2014
ZHE SUN JING T. XING Zhe Sun Kamal Djidjeli Jing T. Xing

As a Lagrangian mesh-free method, the Moving Particle Semi-implicit (MPS)[1] method is very suitable for simulating violent flows, such as breaking waves on free surface. However, despite its wide range of applicability, the original MPS algorithm suffers from some inherent difficulties in obtaining an accurate fluid pressure in both spatial and time domain. Different modifications to improve t...

Journal: :Computer Methods in Applied Mechanics and Engineering 2022

Smoothed particle hydrodynamics (SPH) and moving semi-implicit (MPS) methods are representative meshfree used to compute Lagrangian mechanics. The approximations of differential operators in the SPH MPS have several similarities, but theoretical discussion difference between them is limited. This study mathematically describes via a comprehensive derivation first- second-order derivative for ea...

2017
Xiang Chen Decheng Wan

A modified moving particle semi-implicit (MPS) method based on GPU acceleration technique is applied to simulate three-dimensional (3-D) free surface flow by using our in-house solver MPSGPU-SJTU in this work. In order to validate MPSGPU-SJTU solver, 3-D dam break and sloshing, two typical violent flows with large deformation and nonlinear fragmentation of free surface are simulated. For dam br...

Journal: :Computer Physics Communications 2021

Fluid flow simulation is a highly active area with applications in wide range of engineering problems and interactive systems. Meshless methods like the Moving Particle Semi-implicit (MPS) are great alternative to deal efficiently large deformations free-surface flow. However, mesh-based approaches can achieve higher numerical precision than particle-based techniques performance cost. This pape...

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