Journal ArticleDOI
Incompressible sph method for simulating newtonian and non-newtonian flows with a free surface
Songdong Shao,Edmond Y.M. Lo +1 more
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In this article, an incompressible smoothed particle hydrodynamics (SPH) method is presented to simulate Newtonian and non-Newtonian flows with free surfaces.About:
This article is published in Advances in Water Resources.The article was published on 2003-07-01. It has received 923 citations till now. The article focuses on the topics: Pressure-correction method & Newtonian fluid.read more
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Corrected higher order Laplacian for enhancement of pressure calculation by projection-based particle methods with applications in ocean engineering
TL;DR: In this article, a corrected higher order Laplacian (CHL) scheme is proposed for enhancement of pressure calculation in projection-based particle methods, which is derived by meticulously taking divergence of a corrected SPH gradient model.
Journal ArticleDOI
SPH modeling of solitary wave fissions over uneven bottoms
TL;DR: In this paper, the propagation of solitary wave in shallow water is investigated by using the Smoothed Particle Hydrodynamics (SPH) method, which solves the weakly compressible Navier-Stokes equations and implements the wave absorbing scheme of Xu (2010) at downstream boundary, is verified by the case of incident solitary wave propagating on a constant depth.
Journal ArticleDOI
An improved parallel SPH approach to solve 3D transient generalized Newtonian free surface flows
TL;DR: Numerical results show that the C-SPH method has higher accuracy and better stability for solving 3D moving free surface flows over other particle methods.
Journal ArticleDOI
Double-diffusive natural convection in an enclosure including/excluding sloshing rod using a stabilized ISPH method
TL;DR: In this paper, double-diffusive natural convection in an enclosure is introduced by an incompressible smoothed particle hydrodynamics (ISPH) method, and the results demonstrate the effects of the parameters such as Darcy number, porosity, permeability ratio and inclination angle in both of the heat and mass transfer rate and the flow regime.
Journal ArticleDOI
SPH modelling of turbulent open channel flow over and within natural gravel beds with rough interfacial boundaries
TL;DR: In this article, a smoothed particle hydrodynamics (SPH) model is applied to simulate turbulent open channel flows over and within natural porous gravel beds, where the effect of turbulence is taken into account using a three-layer mixing-length model.
References
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Journal ArticleDOI
Volume of fluid (VOF) method for the dynamics of free boundaries
C.W Hirt,B. D. Nichols +1 more
TL;DR: In this paper, the concept of a fractional volume of fluid (VOF) has been used to approximate free boundaries in finite-difference numerical simulations, which is shown to be more flexible and efficient than other methods for treating complicated free boundary configurations.
Journal ArticleDOI
Numerical Calculation of Time‐Dependent Viscous Incompressible Flow of Fluid with Free Surface
Francis H. Harlow,J. Eddie Welch +1 more
TL;DR: In this paper, a new technique is described for the numerical investigation of the time-dependent flow of an incompressible fluid, the boundary of which is partially confined and partially free The full Navier-Stokes equations are written in finite-difference form, and the solution is accomplished by finite-time step advancement.
Journal ArticleDOI
A numerical approach to the testing of the fission hypothesis.
TL;DR: A finite-size particle scheme for the numerical solution of two-and three-dimensional gas dynamical problems of astronomical interest is described and tested in this article, which is then applied to the fission problem for optically thick protostars.
Journal ArticleDOI
Numerical solution of the Navier-Stokes equations
TL;DR: In this paper, a finite-difference method for solving the time-dependent Navier-Stokes equations for an incompressible fluid is introduced, which is equally applicable to problems in two and three space dimensions.
Journal ArticleDOI
Smoothed particle hydrodynamics.
TL;DR: In this paper, the theory and application of Smoothed particle hydrodynamics (SPH) since its inception in 1977 are discussed, focusing on the strengths and weaknesses, the analogy with particle dynamics and the numerous areas where SPH has been successfully applied.
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