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Convergence Acceleration of High Order Numerical Simulations using a Hybrid Spectral Di
Numerical Algorithms Computational Fluid Dynamics Spectral Di
2015/7/3
The goal of this paper is to show how numerical simulations of uid ow using high order methods for unstructured meshes can be sped up using a hybrid multigrid method. In our work we accelerate the ste...
Formulation of Kinetic Energy Preserving Conservative Schemes for Gas Dynamics and Direct Numerical Simulation of One-Dimensional Viscous Compressible Flow in a Shock Tube Using Entropy and Kinetic Energy Preserving Schemes
Preserving Conservative Schemes Gas Dynamics Direct Numerical Simulation One-Dimensional Viscous Compressible Flow
2015/7/2
This paper follows up on the author’s recent paper “The Construction of Discretely Conservative Finite Volume Schemes that also Globally Conserve Energy or Enthalpy”.
On the numerical integration of three-invariant elastoplastic constitutive models
the numerical integration three-invariant elastoplastic constitutive models
2015/7/1
We investigate the performance of a numerical algorithm for the integration of isotropically hardening three-invariant elastoplastic constitutive models with convex yield surfaces. The algorithm is ba...
Reducing numerical diffsion in interfacial gravity wave simulations
interfacial gravity wave miscible advection universal limiter TVD Boussinesq
2015/6/30
We demonstrate how the background potential energy is an excellent measure of the eective numerical diusion or antidiffusion of an advection scheme by applying several advection schemes to a standin...
Moving grid method for numerical simulation of stratified flows
moving grids numerical viscosity background potential energy moving mesh PDE interfacial gravity wave lock-exchange flow
2015/6/30
We develop a second-order accurate Navier–Stokes solver based on r-adaptivity of the underlying numerical discretization. The motion of the mesh is based on the fluid velocity field; however, certain ...
Improved parameterization of seagrass blade dynamics and wave attenuation based on numerical and laboratory experiments
seagrass blade dynamics wave attenuation based numerical laboratory experiments
2015/6/30
Seagrass blade dynamics were explored through numerical and laboratory experiments in order to improve parameterization of wave attenuation by submerged aquatic vegetation in the presence of a backgro...
Formulation of Kinetic Energy Preserving Conservative Schemes for Gas Dynamics and Direct Numerical Simulation of One-dimensional Viscous Compressible Flow in a Shock Tube Using Entropy and Kinetic Energy Preserving Schemes
Energy Preserving Conservative Kinetic Energy Preserving
2015/6/23
This paper follows up on the author’s recent paper “The Construction of Discretely
Conservative Finite Volume Schemes that also Globally Conserve Energy or Enthalpy”.
In the case of the gas dynamics...
High-Order Numerical Algorithms for Steady and Unsteady Simulation of Viscous Compressible Flow with Shocks
Steady Unsteady Simulation
2015/6/18
Theoretical developments of flux reconstruction method
Unstructured high-order methods
The Flux Reconstruction approach
Energy Stable Flux Reconstruction schemes
Flux Reconstruction as Filtere...
国际计算力学协会（International Center for Numerical Methods in Engineering，IACM）
国际计算力学协会 International Center for Numerical Methods in Engineering IACM
2014/5/20
Computational Mechanics is the development and application of numerical methods and digital computers to the solution of problems posed by Engineering and Applied Science with the objectives of unders...
Numerical simulation of viscous flows with adaptively refined Cartesian grid
adaptively refined Cartesian grid viscous flow CCST(curvature corrected symmetry technique) boundary condition
2014/5/15
Quadtree-based Cartesian grid was automatically generated from specified geometry.Adaptive refinements were performed according to geometric parameters and solution of flow field.An altered CCST (curv...
Numerical simulation of airfoil flows with a turbulence model
turbulence airfoil incompressible separation openFOAM
2014/5/15
Turbulent flows over AS240 and NACA4412 airfoil were simulated numerically using a two-equation turbulence model named k-ξ model. The predictions of velocity profiles and the pressure coefficient of a...
Numerical simulation of two-dimensional Faraday waves with phase-field modelling
Numerical simulation two-dimensional Faraday waves phase-field modelling
2011/8/3
Abstract: Fully nonlinear numerical simulation of two dimensional Faraday waves between two incompressible and immiscible fluids is performed by adopting the phase-field method with the Cahn-Hilliard ...
Experimental and numerical study of mean zonal flows generated by librations of a rotating spherical cavity
librations rotating spherical cavity
2011/9/7
We study both experimentally and numerically the steady zonal flow generated by longitudinal librations of a spherical rotating container. This study follows the recent weakly nonlinear analysis of Bu...
Stress analysis of functionally graded rotating discs:analytical and numerical solutions
Functional graded materials Stress analysis Analytical analysis Finite element analysis (FEA)
2012/2/28
This study deals with stress analysis of annular rotating discs made of functionally graded materials (FGMs).Elasticity modulus and density of the discs are assumed to vary radially according to a pow...
Validation of a CIP-based tank for numerical simulation of free surface flows
CIP method THINC scheme Free surface flow Wave breaking Wave tank
2012/2/28
A constrained interpolation profile CIP-based numerical tank is developed to simulate violent free surface flows. The numerical simulation is performed by the CIP-based Cartesian grid method, which is...