#1 Academic Education

  • Postdoc (Tsukuba of university)                                        Sept. 2022 to Present

           · Thesis Topic: Fracture mechanics of granular materials with discrete element method

           · Supervisor: Professor Naoto Mitsume

  • Ph.D. (South China University of Technology)               Sept. 2016 to Sept. 2022

           · Thesis Topic: Investigating the tractive performance of an off-road pneumatic tire on irregular gravel terrain using multi-sphere DE-FE method

           · Supervisor: Professor Mengyan Zang

  • Master (East China Jiaotong University)                         Sept. 2013 to Jul. 2016

           · Thesis Topic: Simulation of the mechanical characteristic and damage for the high-speed train rolling bearing with pedestal looseness

           · Supervisor: Professor Guoxiang Xiong and Qingsong CAO

  • Bachelor (Nanchang Institute of Technology)                 Sept. 2009 to Jul. 2013

           · Thesis Topic: Matching design of the power system for a family vehicle

           · Supervisor: Assistant Professor Wei Gao

#2 Research Experience

  • Researcher                                                                                Sept. 2022 to Present

          · Developed a multi-sphere DEM method to simulate the fracture mechanics of granular materials.

  • Research Assistant                                                                  Sept. 2016 to Sept. 2022

          · Developed a multi-sphere DE-FE method to simulate the interactions between non-spherical granular particles and structures.

          · Developed an improved 3D contact algorithm to handle the complex interactions between multi-sphere DEs and finite elements for tire traveling analysis.

          · Implemented a GPU-based multi-sphere DE-FE method for the interactions between an off-road tire and gravel terrain to improve computational efficiency.

          · Developed an in-house code, named MDFP-OVS, with Fortran 90/95 for the simulations of tire running on granular terrain.

  • Research Assistant                                                                  Sept. 2013 to Jul. 2016

          · Established the axle-bearing interference fit coupling model of the CRH2 EMU by using the software CAD

          · The influences of friction coefficient, load and train speed on the mechanical characteristic of the axle-bearing surface were analyzed by using the software ABAQUS.

          · Constructed the coupled system of high-speed train rolling bearing with pedestal looseness under different loosening clearance and speeds

          · The nonlinear dynamic characteristic was analyzed using the optimized Runge-Kutta numerical integral method and experimental method.

#3 Publications

(1) Xiaobing Guo, Zumei Zheng, Mengyan Zang*, Shunhua Chen. A multi-sphere DE-FE method for traveling analysis of an off-road pneumatic tire on irregular gravel terrain. Engineering Analysis with Boundary Elements. 2022, 139: 293-312.

(2) Xiaobing Guo, Zumei Zheng, Mengyan Zang*, Shunhua Chen*. An improved 3D multi-sphere DE-FE contact algorithm for interactions between an off-road pneumatic tire and irregular gravel terrain. Computational Particle Mechanics. 2022: 1-24.

(3) Chenqi Zou, Xiaobing Guo, Xiao Xu, Mengyan Zang*, Shunhua Chen*. Large deformation delamination in polymer coatings: Discontinuous Galerkin/cohesive zone modeling. International Journal of Mechanical Sciences, 2022, 232: 107635.

(4) Qingsong Cao*, Xiaobing Guo, Guoliang Xiong, Qin Xiang, Shengtong Zhou. Study on Dynamic Characteristics of High-speed Train Rolling Bearing with Pedestal Looseness. Journal of Mechanical Engineering, 2016, 52 (21): 87-95.

(5) Qingsong Cao*, Xiaobing Guo, Guoliang Xiong. Prospects of fretting damage of the train key components interference fitted surface. Journal of Railway Science and Engineering, 2016, 12 (3): 661-669.

(6) Qingsong Cao*, Xiaobing Guo, Guoliang Xiong. Analysis of contact stress on interference fitted surface of the train axle-bearing. Hydromechatronics Engineering, 2015, 43 (24): 30-33.

(7) Haiyang Zeng, Wei Xu, Mengyan Zang*, Peng Yang, Xiaobing Guo. Calibration and validation of DEM-FEM model parameters using upscaled particles based on physical experiments and simulations. Advanced Powder Technology, 2020, 31: 3947-3959.

(8) Peng Yang, Mengyan Zang*, Haiyang Zeng, Xiaobing Guo. The interactions between an off-road tire and granular terrain: GPU-based DEM-FEM simulation and experimental validation. International Journal of Mechanical Sciences, 2020, 179: 105634.

  • Conference Papers

(1) Xiaobing Guo, Mengyan Zang*. A two-layer-grid search algorithm between multi-sphere DEs and FEs and its application in the tire-terrain interactions. The 14th Annual Conference of China Society of Automotive Engineering, Wuhan, Hubei, China, December 2021.

(2) Xiaobing Guo, Mengyan Zang*. Analysis of tractive performance of off-road tires on gravel terrain: a multi-sphere DEM-FEM coupling method. The 3rd Symposium on Progress and Application of Meshless Particle Methods. Wulumuqi, Xinjiang, China, August 2021.

(3) Mengyan Zang*, Zumei Zheng, Xiaobing Guo. A GPU-based DE-FE coupling method for the interaction between tire and sand. The 4th National Conference of Computational Mechanics of Granular Materials (CMGM-2018). Xiamen, Fujian, China, July 2018.

(4) Qingsong Cao*, Xiaobing Guo, Guoliang Xiong. Contact stress analysis of interference fit surface of train axle-bearing. The 11th National Conference on Vibration Theory and Application (NCVTA 2015). Beijing, China, November 2015.

(5) Qingsong Cao*, Changling Pan, Xiaobing Guo. Discussion of the bearing temperature fault detection for EMU traction motor. 2015 Annual Conference on Railway Traction Power. Beijing, China, December 2015.

Academic Education

  • Ph.D. (South China University of Technology, Sept. 2022)

       · Thesis Topic: Investigating the tractive performance of an off-road pneumatic tire on irregular gravel terrain using multi-sphere DE-FE method

       · Supervisor: Professor Mengyan Zang

  • Master's Degree (East China Jiaotong University, Jul. 2016)

       · Thesis Topic: Simulation of the mechanical characteristic and damage for the high-speed train rolling bearing with pedestal looseness

       · Supervisor: Professor Guoxiang Xiong and Qingsong CAO

  • Bachelor's Degree (Nanchang Institute of Technology, Jul. 2013)

        · Thesis Topic: Matching design of the power system for a family vehicle

        · Supervisor: Assistant Professor Wei Gao

Research Experience

  • Researcher                                                                   Sept. 2022 to Present

       · Developed a multi-sphere DEM method to simulate the fracture mechanics of granular materials.

  • Research Assistant                                                         Sept. 2016 to Sept. 2022

       · Developed a multi-sphere DE-FE method to simulate the interactions between non-spherical granular particles and structures.

       · Developed an improved 3D contact algorithm to handle the complex interactions between multi-sphere DEs and FEs for tire traveling analysis.

       · Implemented a GPU-based multi-sphere DE-FE method for the interactions between an off-road tire and gravel terrain to improve computational efficiency.

       · Developed an in-house code, named MDFP-OVS, with Fortran 90/95 for the simulations of tire running on granular terrain.

  • 研究助理 2013年9月至2016年7月

       · 利用CAD软件建立了CRH2型动车组轴承过盈配合联轴器模型

       · 利用ABAQUS软件分析了摩擦系数、载荷和列车运行速度对轴支承面力学特性的影响。

       · 构建了不同松动间隙和速度下的带轴承座松动的高速列车滚动轴承耦合系统

       · 采用优化的Runge-Kutta数值积分方法和实验方法分析非线性动态特性。

刊物