CV - Cheng Long’s Homepage(成龙)

Education

B.S. in Aerospace Engineering, Northwestern Polytechnical University(NWPU), Xi’an, China, 2014

Ph.D in Aerospace Engineering, Fluid & Acoustics Engineering Laboratory(FAEL), Beihang University(BUAA), Beijing, China, 2021(Supervisor: Prof. Xiaofeng Sun)

1-year Full-time Visiting PhD Student in Computational Fluid Dynamics, Department of Engineering, University of Cambridge(CUED), CB2 1PZ, UK, 2019-2020 (Supervisor: Rank Prof. Paul Gary Tucker)

Work experience

Sep. 2023 ~: Principal Engineer

Compiler and Programming Language Lab., Huawei BRC, Beijing, China
Research Topics: HPC/AI, Large Language Model(LLM), heterogeneous programming Language and Compilers, mixed-precision algorithms.

Apr. 2021 - Sep. 2023: Research Associate

Compiler and Programming Language Lab., Huawei BRC, Beijing, China
Research Topics: heterogeneous programming, mixed-precision algorithms and computational physics applications.

Jan. 2020 - Apr. 2020: Intern Researcher

Huawei Cambridge Research Center(CRC), Cambridge, UK
Research Topics: Mixed-precision algorithm and Scientific Computing

Honor and Awards

Honorable Award from the First National Post-doc Innovation and Entrepreneurship Competition(MHRSS, China, 2021)

First-class Sponsorship from China Scholarship Council (CSC, 2019)

Scholarship for Excellent New PHD Candidate(BUAA, 2015)

Best Paper Award for Graduation Design and University Outstanding Graduate(NWPU, 2014)

Meritorious Winner in the Mathematical Contest in Modeling (MCM, SIAM&COMAP, USA, 2013)

National Scholarship (2.2%, Ministry of Education of the People’s Republic of China, 2013)

Skills

BiSheng C++(working language), SYCL, PYTHON(working language), FORTRAN, MATLAB et al.

AI NPU(neural-network Processing Units), domain-specific architecture(DSA)

Computational Fluid Dynamics

Wall boundary conditions for high-order Computational Aeroacoustics(CAA) methods
MPI-based Massively Distributed Parallel CFD Solver - CartCAaS
Synthetic Turbulence

Scientific Computing

High-level Abstraction of Matrix Algorithms in implicit Methods
Mixed-precision algorithm for dense matrix
Mixed-precision algorithm for sparse matrix on unstructured mesh
Iterative Refinement Algorithms

Selected Publications

Influence of non-uniform mean flow on acoustic scattering from complex geometries

Long Cheng, Lin Du, Xiaoyu Wang, Long Wu, Xiaodong Jing, Xiaofeng Sun. (2018). "Influence of non-uniform mean flow on acoustic scattering from complex geometries." Computers & Fluids. 163.

A semi-implicit immersed boundary method for simulating viscous flow-induced sound with moving boundaries

Long Cheng, Lin Du, Xiaoyu Wang, Xiaofeng Sun, Paul G Tucker (2021). "A semi-implicit immersed boundary method for simulating viscous flow-induced sound with moving boundaries." Computer Methods in Applied Mechanics and Engineering. 373.

Inviscid Nonlinear Modeling of Vibration-Induced Acoustic Resonance of a Linear Cascade

Long Cheng, Lin Du, Xiaoyu Wang, Xiaofeng Sun(2021). "Inviscid Nonlinear Modeling of Vibration-Induced Acoustic Resonance of a Linear Cascade." AIAA Journal. 59(5).

Selected Talks

A COMPRESSIBLE IMMERSED BOUNDARY METHOD FOR THE FLOW-INDUCED NOISE SIMULATION

July 23, 2017

Conference proceedings talk at the 24th International Congress on Sound and Vibration (ICSV24), London, UK

Application of Body Force Concept in Aeroacoustics

September 24, 2018

Conference proceedings talk at The 15th International Symposium on Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines (ISUAAAT15), Oxford University, Oxford, UK

Computation of Flow-induced Sound from Gust Interacting with a Vibrating Cascade Using Body Force Model

May 21, 2019

Conference proceedings talk at 25th AIAA/CEAS Aeroacoustics Conference, Delft University of Technology, Delft, Netherland

The principle of Mixed-precision numerical algorithms and the application in computational physics

March 23, 2022

HKRC Webinar at HKRC Open Webinar, HKRC, Huawei Hongkong

Dr. Long Cheng

CV