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作者:Zhi Wen Cai , Zhi Zong , Zhen Chen ...
来源:[J].International Journal of Computational Methods(IF 0.481), 2019, Vol.16 (02), pp.20World Scientific Publishing
摘要:In this paper, a multiphase Godunov-type smoothed-particle hydrodynamics (MGSPH) method is presented for simulating multi-fluid Riemann problems with complex equations of state (EOSs). In this method, single-phase Riemann solvers are used between particles with same phase, and in...
作者:Wentao Zhang , Chuanqi Shi , Yi An ...
来源:[J].International Journal of Computational Methods(IF 0.481), 2019, Vol.16 (02), pp.16World Scientific Publishing
摘要:In the landslide-induced debris flow problem, the soil slope experiences three stages: slope instability, debris flow and deposition. This study develops a three-dimensional smoothed particle hydrodynamics model which adopts elastoplastic viscous constitutive relation to sim...
作者:Moubin Liu
来源:[J].International Journal of Computational Methods(IF 0.481), 2019, Vol.16 (02), pp.1World Scientific Publishing
作者:Zhibo Ma , Yazhou Zhao
来源:[J].International Journal of Computational Methods(IF 0.481), 2019, Vol.16 (02), pp.20World Scientific Publishing
摘要:In mesh-free methods, discrete equations are built according to physics information of micro-bodies arbitrarily spread in vicinal space. As the requirements about topology of micro-bodies are reduced, simulations with Lagrangian approach may be easier even with large distortions....
作者:X. J. Ma , M. Geni , A. F. Jin
来源:[J].International Journal of Computational Methods(IF 0.481), 2019, Vol.16 (02), pp.21World Scientific Publishing
摘要:Based on the fundamental theory of smoothed-particle hydrodynamics (SPH), a feasible algorithm for fluid–solid coupling on interface is applied to describe the dynamic behavior of fluid and solid by utilizing continuum mechanics governing equations. Numerical simulation is c...
作者:Z. L. Zhang , T. Ma , M. B. Liu ...
来源:[J].International Journal of Computational Methods(IF 0.481), 2019, Vol.16 (02), pp.24World Scientific Publishing
摘要:High velocity impact welding (HVIW) involves processes like the impact of metal structures and strong fluid-structure interactions with complex phenomena such as interfacial waves and jet generation. It is very difficult to model the HVIW process with typical physics well capture...
作者:Youlin Zhang , Decheng Wan
来源:[J].International Journal of Computational Methods(IF 0.481), 2019, Vol.16 (02), pp.16World Scientific Publishing
摘要:In the present study, the moving particle semi-implicit (MPS) method and finite element method (FEM) coupled method is developed for the 3D fluid–structure interaction (FSI) problems. Herein, the MPS method is employed for the simulation of fluid domain while the FEM approac...
作者:P. N. Sun , F. R. Ming , A. M. Zhang ...
来源:[J].International Journal of Computational Methods(IF 0.481), 2019, Vol.16 (02), pp.19World Scientific Publishing
摘要:The present work is dedicated to the modeling of viscous flow past a NACA0012 foil fixed in a current below a free surface. To this end, the δ + -smoothed-particle hydrodynamics (SPH) model has been adopted. This SPH model prevents the inception of the numerical tensile inst...
作者:Xiao Wen , Decheng Wan
来源:[J].International Journal of Computational Methods(IF 0.481), 2019, Vol.16 (02), pp.12World Scientific Publishing
摘要:The Rayleigh–Taylor instability (RTI) problem is one of the classic hydrodynamic instability cases in natural scenarios and industrial applications. For the numerical simulation of the RTI problem, this paper presents a multiphase method based on the moving particle semi-imp...
作者:Jichao Ma , Gaofeng Wei , Hongfen Gao
来源:[J].International Journal of Computational Methods(IF 0.481), 2019, Vol.16 (02), pp.23World Scientific Publishing
摘要:To reduce the error on the boundary and improve computational accuracy, the normal derivative of radial basis function (RBF) is introduced into the reproducing kernel particle method (RKPM), and the Hermit-type reproducing kernel particle method (Hermit-type RKPM) is proposed. Th...

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