Dr. Tianbai XIAO

Department of Mathematics & Steinbuch Centre for Computing
Karlsruhe Institute of Technology
Karlsruhe 76131, Germany
+49 177 1843402


Numerical and Applied Analysis: Hyperbolic Conservation Laws, Nonlinear Partial Differential Equations, Kinetic Theory, Uncertainty Quantification.

Computational Physics: Fluid Mechanics, Plasma Physics, Multiscale Modeling and Simulation.


Ph.D. Peking University, Beijing, China, Sep. 2014 - Jun. 2019.
(Advisors: Qingdong Cai and Kun Xu, Thesis topic: Modeling and Simulation of Multiscale Transport Problems.)

B.S. Wuhan University, Wuhan, China, Sep. 2010 - Jun. 2014.


Research Associate, Department of Mathematics, Karlsruhe Institute of Technology, Aug. 2019 - .

Joint Research Scientist, Steinbuch Centre for Computing, Karlsruhe Institute of Technology, Aug. 2019 - .

Research Assistant, Department of Mathematics, Hong Kong University of Science and Technology, Apr. 2016 - Jan. 2019.


Humboldt Research Fellowship for Postdoctoral Researchers, Alexander von Humboldt Foundation, Apr. 2020 - Mar. 2022.

Young Researcher Innovative Award, Chinese Nuclear Society Computational Physics Branch, Aug. 2018.

Physics of Fluids (PoF Journal) Young Researcher Award, American Institute of Physics, Jun. 2017.

Principal Doctoral Scholarship, Peking University, Sep. 2017 - Jun. 2018.


National Natural Science Foundation of China
Participant, No. 11521091, CN$ 5,250,000, “Mechanism, Mode and Experimental Study of Compressible Turbulence,” Jan. 2016 -Dec. 2018.
Participant, No. 91530319, CN$ 3,100,000, “High-Efficiency Implementation and Validation of Massively Parallel Algorithm for Spacecraft Reentry Problems,” Jan. 2016 -Dec. 2018.

Hong Kong Research Grant Council
Participant, No. 16207715, HK$ 695,854, “A Multi-Scale Gas-Kinetic Method for Plasma Simulations,” Sep. 2016 - Aug. 2018.


Referee for Peer-Reviewed Journals, including Journal of Computational Physics, Communications in Computational Physics, Computers & Fluids, Acta Mechanica Sinica, AIP advances, SN Applied Sciences and Mathematical Reviews.

Symposium Organizer, The 7th International Symposium on Physics of Fluids, Guiyang, China, Jun. 12-15, 2017.

Conference Organizer, The Chinese Congress of Theoretical and Applied Mechanics, Beijing, China, Aug. 13-16, 2017.


Lecturer, “An Introduction to Kinetic Theory”, Karlsruhe Institute of Technology, Karlsruhe, Germany, Oct. 2019 - Feb. 2020.


Supervisor of Computational and Mathematical Modeling Program (CAMMP), Germany, Aug. 2019 - .

Advisor of:

  • Charlotte Wedler, Research Assistant, Karlsruhe Institute of Technology, Apr. 2021 - .


“A Well-Balanced Unified Gas-Kinetic Scheme for Multiscale Flow Transport under External Force Field”, The 10th International Conference on Computational Physics (ICCP10), Macao, China, Jan. 16-20, 2017.
“Well-Balanced Unified Gas-Kinetic Scheme: Construction and Application”, The Beijing Symposium on Computational Fluid Dynamics (Spring Semester), Beijing, China, Apr. 23, 2017.
“The Application of Well-Balanced Unified Gas-Kinetic Scheme in Multiscale and Non-Equilibrium Transport Problems”, The 17th Chinese Conference on Computational Fluid Dynamics, Hangzhou, China, May 18-19, 2017.
“An Investigation of Non-Equilibrium Gas Dynamics under External Force Field”, The 7th International Symposium on Physics of Fluids (ISPF7), Guiyang, China, Jun. 12-15, 2017.
“Numerical Investigation of Continuum and Rarefied Rayleigh-Bénard Convection”, The 2nd Symposium on Modeling and Numerical Methods for Non-Equilibrium Transport Problems, Hangzhou, China, Sep. 15-17, 2017.
"A Unified Gas-Kinetic Scheme for Multiscale and Multicomponent Flows”, The Symposium on Turbulent Structures and Aerodynamic Heating/Force, Tianjin, China, Jul. 7-9, 2018.
“A Velocity-Space Adaptive Unified Gas-Kinetic Scheme for Multiscale Flow Simulations”, The 31st International Symposium on Rarefied Gas Dynamics (RGD31), Glasgow, UK, Jul. 23-27, 2018.
“A Unified Modeling and Simulation for Fully and Partially Ionized Plasmas”, The 3rd Symposium on Modeling and Numerical Methods for Non-Equilibrium Transport Problems, Beijing, China, Aug. 20-22, 2018.
“Neural Boltzmann Equation: Theory and Applications”, The Annual Humboldt Network Meeting, online, Germany, Nov. 18-19, 2021.


A detailed list of my research outcomes can be found here.