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SPATIO-TEMPORAL PROCESS SIMULATION OF DAM-BREAK FLOOD BASED ON SPH
Smooth Particle Hydrodynamics GIS Dam-break Flood Spatio-temporal Process Simulation
2018/5/15
On the basis of introducing the SPH (Smooth Particle Hydrodynamics) simulation method, the key research problems were given solutions in this paper, which ere the spatial scale and temporal scale adap...
Vortex Method Simulation of Ground Vehicle Aerodynamics
Vortex Method Simulation Ground Vehicle Aerodynamics
2016/5/18
Recent results are presented from the application of a grid-free vortex method to the prediction of turbulent aerodynamic flows produced by road vehicles. The approach has the character of a large edd...
Grid-Free Simulation of the Spatially Growing Turbulent Mixing Layer
Grid-Free Simulation Spatially Growing Turbulent Mixing Layer
2016/5/18
The spatially developing, unforced, turbulent mixing layer is simulated via a grid-free vortex method. Vortex filaments composed of straight tubes are used as the computational element with new vortex...
Vortex filament simulation of the turbulent coflowing jet
Vortex filament simulation turbulent coflowing jet
2016/5/18
A high resolution grid-free vortex filament scheme is applied to the prediction and simulation of coflowing round jets with a view to acquiring a new perspective on their physics and establishing the ...
Vortex Filament Simulation of the Turbulent Boundary Layer
Vortex Filament Simulation Turbulent Boundary Layer
2016/5/18
A hybrid vortex fi lament scheme with the capability of simulating bounded turbulent fl ows is described. Viscous generation of new vortex elements at solid surfaces is accomplished through the interm...
The dynamic conformational cycle of the group I chaperonin C-termini revealed via molecular dynamics simulation.
dynamic conformational cycle group I chaperonin C-termini revealed molecular dynamics simulation.
2015/12/11
Chaperonins are large ring shaped oligomers that facilitate protein folding by encapsulation within a central cavity. All chaperonins possess flexible C-termini which protrude from the equatorial doma...
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”.
DEM simulation of impact force exerted by granular flow on rigid structures
Avalanche DEM Granular flow Impact force
2015/7/1
The paper presents a DEM model for simulating dry granular avalanche down an incline. Flow pattern and impact forces on rigid obstacles are considered. Results of the simulations are compared with exp...
Mesh refinement and modelling errors in flow simulation
Mesh refinement modelling errors flow simulation
2015/7/1
We present a perspective on verification and validation of CFD tools for analysis and design, identifying principal sources of error due to approximations in the physical model, numerical discretizati...
Critical state plasticity. Part VI:Meso-scale finite element simulation of strain localization in discrete granular materials
Granular materials Strain localization
2015/7/1
Development of more accurate mathematical models of discrete granular material behavior requires a fundamental understanding of deformation and strain localization phenomena. This paper utilizes a mes...
Finite element simulation of strain localization with large deformation: capturing strong discontinuity using a Petrov–Galerkin multiscale formulation
Finite element simulation strain localization with large deformation strong discontinuity Petrov–Galerkin multiscale formulation
2015/7/1
The finite element model for strain localization analysis developed in a previous work is generalized to the finite deformation regime. Strain enhancements via jumps in the displacement field are capt...
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 ...
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...
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...