39 Result(s)

Article

A two-grid combined mixed finite element and discontinuous Galerkin method for a compressible miscible displacement problem

A compressible miscible displacement problem is modeled by a nonlinear coupled system with partial differential equations in porous media. A two-grid algorithm of a combined mixed finite element and discontinu...

Jiming Yang, **g Zhou in Numerical Algorithms (2023)

Article

Analysis of a full-discrete two-grid discontinuous Galerkin method for nonlinear parabolic equations

A full-discrete two-grid discontinuous Galerkin approximation for nonlinear parabolic problems is proposed. The \(L^2\) ...

Jiming Yang, **g Zhou, Hongbin Chen in Computational and Applied Mathematics (2023)

Article

Model test on the dynamic characteristics of crack formation in expansive soil slopes under alternate drying and wetting

To explore the dynamic characteristics of crack formation in expansive soils slope, this paper conducted an indoor model test of the expansive soils slope with seven times of alternate drying and wetting. The ...

Hongri Zhang, Jiming Yang, Lei Wang, Yongfu Xu in Acta Geotechnica (2023)

Article

Forced activation of dystrophin transcription by CRISPR/dCas9 reduced arrhythmia susceptibility via restoring membrane Nav1.5 distribution

Dystrophin deficiency due to genetic mutations causes cardiac abnormalities in Duchenne’s muscular dystrophy. Dystrophin is also shown to be downregulated in conventional failing hearts. Whether restoration of...

Ruixin Zhang, Junwu Liu, Genlong Xue, Jiming Yang, Desheng Li, Tao Tian… in Gene Therapy (2023)

Article

A Two-Grid Combined Mixed Finite Element and Discontinuous Galerkin Method for an Incompressible Miscible Displacement Problem in Porous Media

An incompressible miscible displacement problem is investigated. A two-grid algorithm of a full-discretized combined mixed finite element and discontinuous Galerkin approximation to the miscible displacement i...

Jiming Yang, Yifan Su in Journal of Scientific Computing (2021)

Article

A two-grid method for discontinuous Galerkin approximations to nonlinear Sobolev equations

A two-grid algorithm for discontinuous Galerkin approximations to nonlinear Sobolev equations is proposed. H¹ norm error estimate of the two-grid method for the nonlinear parabolic problem is derived. The analysi...

Jiming Yang, **g Zhou in Numerical Algorithms (2021)

Chapter and Conference Paper

Unsteadiness of Cowl Shock/Convex Corner Interaction in an Inlet

Experiments in 2-D inlets for both sharp and round shoulders were conducted to study the influence of shoulder shapes and the relative position between the incident cowl shock and the shoulder on the unsteadin...

Rong Huang, Zhufei Li, Jiming Yang in 31st International Symposium on Shock Waves 1 (2019)

Chapter and Conference Paper

Shock Interaction on a V-Shaped Blunt Leading Edge

A V-shaped blunt leading edge configuration brings unavoidable hypersonic shock interactions which can result in an extremely high aerothermal load. Experiments and numerical simulations were carried out to st...

Zhiyu Zhang, Zhufei Li, Fengshou **ao… in 31st International Symposium on Shock Wave… (2019)

Chapter and Conference Paper

Incident Shock/Turbulent Boundary Layer Interactions on Concave Walls

Numerical simulations and experiments were performed to investigate the characteristics of incident shock/turbulent boundary layer interactions on concave walls. The concave walls were designed with constant a...

Enlai Zhang, Zhufei Li, Jiming Yang in 31st International Symposium on Shock Waves 1 (2019)

Article

Deformation process of a shocked drop-in-liquid

Bin Liao, GuiFu Zhang, YuJian Zhu, ZhuFei Li… in Science China Physics, Mechanics & Astrono… (2018)

Chapter and Conference Paper

Effects of Attack Angle on Starting Performance of a Hypersonic Inlet

Since the boundary of an inlet starting Mach number cannot be obtained easily in high speed wind tunnels. The correlations between changing the attack angle and changing the freestream Mach number which affect...

Shuaitao Guo, Wenzhi Gao, Enlai Zhang… in 30th International Symposium on Shock Wave… (2017)

Chapter and Conference Paper

Air–Water Interface Jetting Induced by Explosion Load

Explosion in liquid emits a shock wave and induces a radial flow with a bubble in center. When it occurs near a free surface, a jet may develop. The effect can be enhanced by restricting the flow only to the j...

Guifu Zhang, Yujian Zhu, Jiming Yang in 30th International Symposium on Shock Waves 2 (2017)

Chapter and Conference Paper

Rapid Assessment on Flow Parameter Matching Scheme in Aerodynamic Testing in a Combustion Wind Tunnel

A rapid assessment on matching schemes of nozzle flow parameter of a combustion wind tunnel is carried out based on fundamental aerodynamics. Shock and isentropic compression configurations are introduced to q...

Kunwei Liu, Yujian Zhu, Jiming Yang… in 30th International Symposium on Shock Wave… (2017)

Chapter and Conference Paper

A New Method of Convergent Contour Design for Planar Shock Wave Enhancement in a Shock Tube

It will be interesting and important as well if there is a method that is capable of generating a shape/strength controllable shock wave. In this paper, we propose a new method to increase the intensity of a p...

Dongwen Zhan, Yujian Zhu, Jiming Yang in 30th International Symposium on Shock Waves 2 (2017)

Chapter and Conference Paper

Consistency of Double Wedge Shock–Boundary Layer Interaction Between Numerical Simulation and Experiment

Based on the study of hypersonic thermochemical nonequilibrium flow around a double-wedge flow, several influencing factors of numerical simulation results were discussed. The 2D finite volume method of unstru...

**aofeng Shi, Yujian Zhu, Jiming Yang in 30th International Symposium on Shock Waves 2 (2017)

Chapter and Conference Paper

A Method of Detecting Self-Starting Ability of Hypersonic Inlets: A Numerical Investigation

It is still a challenge to accurately predict the self-starting ability of a hypersonic inlet. Re-start of an inlet after a mechanically throttling induced unstart is proof of its self-starting ability at the ...

Zhufei Li, Jiming Yang in 30th International Symposium on Shock Waves 1 (2017)