Kai Cheng, Ph.D.
Room: N3632
Phone: +49 89 289 23053
E-Mail: kai.cheng@tum.de
Office hours: by arrangement
Curriculum Vitae
- Since Nov 2023 | Humboldt research fellow at the Engineering Risk Analysis Group, Technical University of Munich
- Sep 2021 - Sep 2023 | Postdoctoral researcher at the Department of Mathematics and Computer Science, University of Southern Denmark.
- Apr 2018 - Aug 2021 | PhD student in Fight Vehicle Design, Northwestern Polytechnical University.
- Sep 2015 - Mar 2018 | M.Sc in Fight Vehicle Design, Northwestern Polytechnical University.
- Sep 2011 - Jul 2015 | B.Sc in Mechanics, China University of Petroleum (East China)
Research
- Stochastic dynamics
- Surrogate model and machine learning
- Model reduction of dynamical system
- Rare event probability estimation and reliability analysis
- Uncertainty quantification of engineering models
Selected Journal Publications
- Kai Cheng and Zhenzhou Lu. Adaptive sparse polynomial chaos expansion for global sensitivity analysis based on support vector regression. Computers & Structures, 194:86–96, 2018.
- Kai Cheng and Zhenzhou Lu. Structural reliability analysis based on ensemble learning of surrogate models. Structural Safety, 83:101905, 2020.
- Kai Cheng and Zhenzhou Lu. Adaptive bayesian support vector regression model for structural reliability analysis. Reliability Engineering & System Safety, 206:107286, 2021.
- Kai Cheng, Zhenzhou Lu, Sinan Xiao, and Jingyu Lei. Estimation of small failure probability using generalized subset simulation. Mechanical Systems and Signal Processing, 163:108114, 2022.
- Kai Cheng, Iason Papaioannou, Zhenzhou Lu, Xiaobo Zhang, and Yanping Wang. Rare event estimation with sequential directional importance sampling. Structural Safety, 100:102291, 2023.
- Kai Cheng and Ralf Zimmermann. Sliced gradient-enhanced Kriging for high-dimensional function approximation, Accepted for publication in SIAM Journal on Scientific Computing.
Invited Talks
- Improved gradient enhanced Kriging model for high dimensional function approximation, In15th World Congress on Computational Mechanics & 8th Asian Pacific Congress on Computational Mechanics
- Gradient-enhanced polynomial chaos expansion for high-dimensional function approximation. In: Proceedings of ICOSSAR 2021-2022, 13th International Conference on Structural Safety & Reliability, Tongji University, Shanghai, China.
- Rare event estimation with sequential directional importance sampling. 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022), Oslo, Norway, June 8, 2022.
Teaching
- Stochastic Finite Element Methods (TA, WS 23/24, 6 ECTS, @TUM)
- Estimation of rare events and failure probabilities (TA, WS 24, 3 ECTS, @TUM)