REN Yu-Xin
Professor, Institute of Fluid Mechanics, Department of Engineering Mechanics.

Phone: 010-62785543

Email: ryx@tsinghua.edu.cn

Education background

1988–1992 Department of Engineering Mechanics, Tsinghua University, China, Ph.D.
1983–1988 Department of Engineering Mechanics, Tsinghua University, China, Bachelor of Engineering.

Experience

2010–          School of Aerospace Engineering, Deputy Dean
2007–2010  School of Aerospace Engineering, Tsinghua University, China, Director of the Institute of Fluid Mechanics
2006–          School of Aerospace Engineering, Tsinghua University, China,  Professor
2000–2006  Department of Engineering Mechanics, Tsinghua University, China,  Associate Professor
1999–2000  Department of Aeronautics and Astronautics, University of Tokyo, Japan, JSPS Researcher
1997–1999  Department of Engineering Mechanics, Tsinghua University, China, Associate Professor
1995–1997  Department of Aeronautics and Astronautics, University of Tokyo, Japan, Visiting Scholar
1993–1995  Department of Engineering Mechanics, Tsinghua University, China, Lecturer

Concurrent Academic

Vice-Chairman of Chinese Aerodynamics Research Society

Areas of Research Interests/ Research Projects

Computational Fluid Dynamics, Areodynamics

Research Status

CFD: High order numerical schemes, multidimensional upwind schemes, projection methods;
Fluid mechanics: Shock dynamics, Flow control, Evaluation of Stability Derivatives of Aircrafts;
Aero-engines: Unsteady flow in compressors, loss analysis in turbomachinery.

Honors And Awards

The research award for young scientists, Chinese Society of Theoretical and Applied Mechanics, 2006.

Academic Achievement

[1] Pan J, Ren Y, Sun Y. High order sub-cell finite volume schemes for solving hyperbolic conservation laws II: Extension to two-dimensional systems on unstructured grids[J]. Journal of Computational Physics, 2017, 338: 165-198.
[2] Pan J, REN Y. High order sub-cell finite volume schemes for solving hyperbolic conservation laws I: basic formulation and one-dimensional analysis[J]. SCIENCE CHINA Physics, Mechanics & Astronomy, 2017
[3] Zhu Y, Sun Z, Ren YX, et al. A Numerical Strategy for Freestream Preservation of the High Order Weighted Essentially Non-oscillatory Schemes on Stationary Curvilinear Grids[J]. Journal of Scientific Computing, 2017, 1-28.
[4] Chen Z, Huang X, Ren YX, et al. General Procedure for Riemann Solver to Eliminate Carbuncle and Shock Instability[J]. AIAA Journal, 2017: 1-15.
[5] Wang Q, Ren Y X, Pan J, et al. Compact high order finite volume method on unstructured grids III: Variational reconstruction[J]. Journal of Computational Physics, 2017, 337: 1-26.
[6] Wang Q, Ren YX, Li W, Compact high order finite volume method on unstructured grids II: Extension to two-dimensional Euler equations[J]. Journal of Computational Physics, 2016, 314: 883-908
[7] Wang Q, Ren YX, Li W, Compact high order finite volume method on unstructured grids I: Basic formulations and one-dimensional schemes[J]. Journal of Computational Physics, 2016, 314: 863-882.
[8] Sun Y, Yu M, Jia Z, Ren YX,  A cell-centered Lagrangian method based on local evolution Galerkin scheme for two-dimensional compressible flows[J]. Computers & Fluids, 2016, 128: 65-76.
[9] Sun Z, Ren YX, Zha B, et al. High Order Boundary Conditions for High Order Finite Difference Schemes on Curvilinear Coordinates Solving Compressible Flows[J]. Journal of Scientific Computing, 2015, 65(2): 790-820.
[10] Wang Q, Ren YX, An accurate and robust finite volume scheme based on the spline interpolation for solving the Euler and Navier–Stokes equations on non-uniform curvilinear grids[J]. Journal of Computational Physics, 2015, 284: 648-667.
[11] Sun Z, Ren YX, A sixth order hybrid finite difference scheme based on the minimized dispersion and controllable dissipation technique[J]. Journal of Computational Physics, 2014, 270:238–254.
[12] Li W, Ren YX, The multi-dimensional limiters for discontinuous Galerkin method on unstructured grids[J]. Computers & Fluids, 2014, 96(11):368–376.
[13] Wang Q, Ren YX, Sun Z, et al. Low dispersion finite volume scheme based on reconstruction with minimized dispersion and controllable dissipation[J]. Science China Physics, Mechanics and Astronomy, 2013, 56(2):423-431.
[14] Li W, Ren YX. High-order k -exact WENO finite volume schemes for solving gas dynamic Euler equations on unstructured grids[J]. International Journal for Numerical Methods in Fluids, 2012, 70(6):742–763.
[15] Li W, Ren YX, The multi-dimensional limiters for solving hyperbolic conservation laws on unstructured grids II: Extension to high order finite volume schemes[J]. Journal of Computational Physics, 2012, 231(11):4053–4077.
[16] Li W, Ren YX, Lei G, et al. The multi-dimensional limiters for solving hyperbolic conservation laws on unstructured grids.[J]. Journal of Computational Physics, 2011, 230(21):7775–7795.
[17] Sun Z, Ren YX, Zhang S, et al. High-resolution finite difference schemes using curvilinear coordinate grids for DNS of compressible turbulent flow over wavy walls[J]. Computers & Fluids, 2011, 45(1):84–91.
[18] Sun Z, Ren YX, Larricq C, et al. A class of finite difference schemes with low dispersion and controllable dissipation for DNS of compressible turbulence[J]. Journal of Computational Physics, 2011, 230(12):4616–4635.
[19] Lei GD, Ren YX, Computation of the stability derivatives via CFD and the sensitivity equations[J]. Acta Mechanica Sinica, 2011, 27(2): 179-188.
[20] Sun Z, Ren YX, Larricq C. Drag reduction of compressible wall turbulence with active dimples[J]. Science China(Physics, 2011, 54(2):329-337.
[21] Sun Y, Ren YX, The finite volume local evolution Galerkin method for solving the hyperbolic conservation laws[J]. Journal of Computational Physics, 2009, 228(13):4945–4960.
[22] Ren YX, Evaluation of the Stability Derivatives Using the Sensitivity Equations[J]. AIAA Journal, 2008.
[23] Ren YX, Liu M, Zhang H. Implementation of the divergence-free and pressure-oscillation-free projection method for solving the incompressible Navier-Stokes equations on the collocated grids[J]. COMMUNICATIONS IN COMPUTATIONAL PHYSICS, 2007, 2(4):746-759.
[24] Ren YX, Sun Y. A multi-dimensional upwind scheme for solving Euler and Navier–Stokes equations[J]. Journal of Computational Physics, 2006, 219(1):391–403.
[25] Tan, LH, Ren, YX, Wu ZN. Analytical and numerical study of the near flow field and shape of the Mach stem in steady flows [J]. Journal of Fluid Mechanics, 2006, 54:341-362.
[26] Ren YX, Tan LH, Gao B, Wu ZN. On the characteristics of the Mach stem [J]. Journal of Fluid Mechanics, 2005, 19(28-29):1511-1514.
[27] Ren YX, Jiang Y, Liu M, et al. A class of fully third-order accurate projection methods for solving the incompressible Navier-Stokes equations[J]. Acta Mechanica Sinica, 2005, 21(6):542-549.
[28] Liu M, Ren YX, Zhang H,  A class of fully second order accurate projection methods for solving the incompressible Navier–Stokes equations[J]. Journal of Computational Physics, 2004, 200(1):325–346.
[29] Ren YX, Liu M, Zhang H, A characteristic-wise hybrid compact-WENO scheme for solving hyperbolic conservation laws[J]. Journal of Computational Physics, 2003, 192(2):365–386.
[30] Ren YX, A robust shock-capturing scheme based on rotated Riemann solvers[J]. Computers & Fluids, 2003, 32(10):1379–1403.