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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”.
Finite deformation formulation for embedded frictional crack with the extended finite element method
finite deformation frictional crack embedded discontinuity extended finite element
2015/7/1
We reformulate an extended finite element (FE) framework for embedded frictional cracks in elastoplastic solids to accommodate finite deformation, including finite stretching and rotation. For the FE ...
Constrained multipoint aerodynamic shape optimization using an adjoint formulation and parallel computers
Constrained multipoint aerodynamic shape optimization adjoint formulation parallel computers
2015/7/1
An aerodynamic shape optimization method that treats the design of complex aircraft configurations subject to high fidelity CFD, geometric constraints and multiple design points is described. The desi...
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...
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...
Lagrangian formulation of turbulent premixed combustion
Lagrangian formulation turbulent premixed
2011/9/15
The Lagrangian point of view is adopted to study turbulent premixed combustion. The evolution of the volume fraction of combustion products is established by the Reynolds transport theorem. It emerges...
A simple eddy viscosity formulation for turbulent boundary layers near smooth walls
Momentum equation Model equation A near-wall eddy viscosity formulation
2011/8/29
The aim of this study is to improve the prediction of near-wall mean streamwise velocity pro le U+ by using a simple method. The U+ pro le is obtained by solving the momentum equation which is written...
A quadratic Petrov-Galerkin formulation for advection-diffusion-reaction problems in turbulence modeling
reaction effects stabilized finite element method turbulence modelling
2010/3/12
A new stabilized FEM formulation for advective-diffusive-reactive problems is presented. The new method, called Spotted Petrov-Galerkin (SPG), combines two perturbations of quadratic Galerkin weight f...
Boundary contour method for plane problems in a dual formulation with linear elements
Boundary contour method plane problems dual formulation with linear elements
2010/3/15
The present paper is devoted to the boundary contour method for plane problems in the dual system of elasticity. It has been shown that the integrals on the right side of the corresponding boundary in...
A Lyapunov formulation for efficient solution of the Poisson and convection-diffusion equations by the differential quadrature method
differential quadrature method Poisson equation Lyapunov algebraic matrix equation numerical method
2010/10/22
A Lyapunov formulation for efficient solution of the Poisson and convection-diffusion equations by the differential quadrature method.
