An accurate and stable alternating directional moving particle semi-implicit method for incompressible flow simulation

被引：3
作者：
Li, Date [1 ]
Zhang, Huaixin [1 ,2 ]
Yao, Huilan [3 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, State Key Lab Ocean Engn, 800 Dongchuan Rd, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, Shanghai, Peoples R China
[3] Ocean Univ China, Coll Ocean Engn, Qingdao, Shandong, Peoples R China
来源：
ADVANCES IN MECHANICAL ENGINEERING | 2022年 / 14卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Moving particle semi-implicit (MPS) method; Alternating Direction Moving Particle Semi-implicit (ADMPS) method; Lagrangian method; Crank-Nicolson time scheme; time integral source term; MPS METHOD; FREE-SURFACE; NUMERICAL-SIMULATION; PRESSURE CALCULATION; DYNAMIC PRESSURE; LAPLACIAN MODEL; FLUID; STABILIZATION; IMPROVEMENT; STABILITY;
D O I：
10.1177/16878132221112570
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
As a Lagrangian mesh free method, Moving Particle Semi-implicit (MPS) method can easily handle complex incompressible flow with free surface. However, some deficiencies of MPS method such as inaccurate results, unphysical pressure oscillation and particle thrust near free surface still required to be further resolved. In this paper, an improved MPS method based on Crank-Nicolson time scheme, named Alternating Direction Moving Particle Semi-implicit (ADMPS) method, is proposed. In addition, a time integral source term (TIS) is developed to suppress unphysical pressure oscillation and a free-surface revise (FR) technique is proposed to avoid particle thrust near free surface. Enhancement of accuracy and stability by these improvements is proved by hydrostatic and dam breaking benchmarks, and the numerical results of the ADMPS-FR-TIS model show good agreement with the hydrostatic analytical solution and the dam breaking experiment data.
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页数：12
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