Nonlinear Boundary Conditions for Energy and Entropy Stable Initial Boundary Value Problems in Computational Fluid Dynamics
arXiv:2301.04568 · doi:10.1016/j.jcp.2022.111001
Abstract
We derive new boundary conditions and implementation procedures for nonlinear initial boundary value problems that lead to energy and entropy bounded solutions. A step-by-step procedure for general nonlinear hyperbolic problems on skew-symmetric form is presented. That procedure is subsequently applied to the three most important equations in computational fluid dynamics: the shallow water equations and the incompressible and compressible Euler equations. Both strong and weak imposition of the nonlinear boundary conditions are discussed. Based on the continuous analysis, we show that the new nonlinear boundary procedure lead to energy and entropy stable discrete approximations if the scheme is formulated on summation-by-parts form in combination with a weak implementation of the boundary conditions.
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Cited by in corpus (6)
- Nonlinear Boundary Conditions for Initial Boundary Value Problems with Applications in Computational Fluid Dynamics
- A skew-symmetric energy and entropy stable formulation of the compressible Euler equations
- Open Boundary Conditions for Nonlinear Initial Boundary Value Problems
- A Skew-Symmetric Energy Stable Almost Dissipation Free Formulation of the Compressible Navier-Stokes Equations
- Uncertain Data in Initial Boundary Value Problems: Impact on Short and Long Time Predictions
- An Energy Stable Nonlinear Incompressible Multi-Phase Flow Formulation