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Can we find steady-state solutions to multiscale rarefied gas flows within dozens of iterations?
Wei Su, Lianhua Zhu, Peng Wang +2
One of the central problems in the study of rarefied gas dynamics is to find the steady-state solution of the Boltzmann equation quickly. When the Knudsen number is large, i.e. the…
Implicit Discontinuous Galerkin Method for the Boltzmann Equation
Wei Su, Peng Wang, Yonghao Zhang +1
An implicit high-order discontinuous Galerkin (DG) method is developed to find steady-state solution of rarefied gas flow described by the Boltzmann equation with full collision op…
Accurate and efficient computation of the Boltzmann equation for Kramer's problem
Wei Su, Peng Wang, Haihu Liu +1
In this work, a novel synthetic iteration scheme (SIS) is developed for the LBE to find solutions to Kramer's problem accurately and efficiently: the velocity distribution function…
A high-order hybridizable discontinuous Galerkin method with fast convergence to steady-state solutions of the gas kinetic equation
Wei Su, Peng Wang, Yonghao Zhang +1
The mass flow rate of Poiseuille flow of rarefied gas through long ducts of two-dimensional cross-sections with arbitrary shape are critical in the pore-network modeling of gas tra…