moving mesh
A level set moving mesh method in static form for one dimensional PDEs
... new mesh adaptive algorithm. Figure 6(a) shows the mesh trajectories for the above problem using adaptive level set method with MMPDE5 and in Figure 6(b), the numerical solution of PDE is plotted for 0 ≤ t ...
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Data assimilation for moving mesh methods with an application to ice sheet modelling
... by moving mesh meth- ...the mesh points are updated simultaneously using physical ...and mesh points are generated either by a cor- relation structure function in a variational context or by ...
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A discontinuous Galerkin moving mesh method for Hamilton-Jacobi equations
... use moving meshes. A useful way to construct an adaptive moving mesh is to regard it as the image of a uniform mesh covering a computational domain under a time-dependent transformation that ...
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A moving mesh method for one-dimensional hyperbolic conservation laws
... concentrates mesh points where the solution has large gradients and gives excellent results for many parabolic problems, have found that it is inappropriate for hyperbolic ...the moving mesh PDE may ...
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An adaptive moving mesh method for a time fractional Black–Scholes equation
... adaptive moving mesh for Example ...the mesh computed by the algorithm when solving Example ...time mesh after each ...time mesh for Ex- ample 5.1 with α = 0.2, which shows that the ...
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Data assimilation using adaptive, non-conservative, moving mesh models
... Adaptive mesh methods often invoke a mesh density func- tion in ...the mesh evolution (Huang and Rus- sell, ...by moving mesh techniques alone nor addressed by mesh density func- ...
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High Order Compact Scheme and the Moving Mesh Method for Helmholtz Equation with Variable Wave Numbers
... of moving mesh method are presented for 2D problems, most of them aim at the finite volume method which neglect the orthogonality of mesh and unable to be directly used for finite difference ...
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The Monte Carlo photoionization and moving mesh radiation hydrodynamics code CMacIonize
... and moving-mesh radiation hydrodynamics code CMacIonize, which can be used to simulate the self-consistent evolution of HII regions surrounding young O and B stars, or other sources of ionizing ...a ...
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Geometric Integration Applied to Moving Mesh Methods and Degenerate Lagrangians
... as moving mesh methods ([7], [28]), keep the total number of mesh points fixed during the simulation, but relocate them over ...the mesh points, contrasting with h-adaptive methods, for which ...
181
Kühnlein, Christian (2011): Solution-adaptive moving mesh solver for geophysical flows. Dissertation, LMU München: Fakultät für Physik
... the mesh adaptation x n → x n+1 is performed prior to the execution of the advection scheme, ...the mesh adap- tation is performed after the execution of the advection scheme (not ...solution-adaptive ...
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A moving mesh finite element algorithm for the adaptive solution of time-dependent partial differential equations with moving boundaries
... This is a repository copy of A moving mesh finite element algorithm for the adaptive solution of time-dependent partial differential equations with moving boundaries.. White Rose Researc[r] ...
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Efficient moving mesh methods for Q-tensor models of nematic liquid crystals
... 1. Introduction. Liquid crystals are intermediate states of matter which occur between the crystalline solid state and the isotropic liquid state, displaying some of the properties of both. Different liquid crystal ...
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An adaptive moving mesh method for forced curve shortening flow
... adaptive moving mesh approach proposed here to resolve solution features along the ...redistribute mesh points to simultaneously resolve interface geometry and interface-bound solution ...
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A moving mesh finite element algorithm for fluid flow problems with moving boundaries
... Reuse See Attached Takedown If you consider content in White Rose Research Online to be in breach of UK law, please notify us by emailing [email protected] including the URL of the[r] ...
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QALE-FEM for numerical modelling of non-linear interaction between 3D moored floating bodies and steep waves
... for moving mesh near and on body surfaces, the scheme for calculating fluid velocity on body surfaces and a more efficient iterative procedure called ISITIMFB-M for tackling the full coupling between the ...
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Scale-invariant moving finite elements for nonlinear partial differential equations in two dimensions
... the mesh velocity has been obtained and that the resulting scale-invariant moving mesh method is highly ...the mesh velocities, not the recovery of the dependent variable, and so long as the ...
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An investigation into nonlinear growth rate of two-dimensional and three-dimensional single-mode richtmyer-meshkov instability using an arbitrary-lagrangian-eulerian algorithm
... To test the behaviour of the moving mesh code, a simple 1D Sod-shock [7] test case was used. Standard initial con- ditions are used with density, pressure and velocity given as (1.0,1.0,0.0) and ...
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A CFD analysis of the dynamics of a direct-operated safety relief valve mounted on a pressure vessel
... In this study, a numerical model is developed to investigate the fluid and dynamic characteristics of a direct-operated safety relieve valve (SRV). The CFX code has been used to employ advanced computational fluid ...
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Adaptive grid methods for Q-tensor theory of liquid crystals : a one-dimensional feasibility study
... In this paper we have presented the results of a feasibility study of the use of moving mesh methods for solving one-dimensional problems in Q-tensor theory. The specific method used, that is, that of ...
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A CFD study on design parameters acting in cavitation of positive displacement pump
... The “full” cavitation model developed by Singhal (1) was utilised to drive the liquid-vapour phase transformation and a four transport equation multiphase model (Mixture model, (3)) was chosen for the Raynolds Averaged ...
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