Associate Professor

B.S. in mechanical engineering, Department of Precision Instruments and Mechanology, Tsinghua University 1990

M.A. in mechanical engineering, Department of Precision Instruments and Mechanology, Tsinghua University 1994

Ph.D. in mechanical engineering, Department of Precision Instruments and Mechanology, Tsinghua University 2006

Lecturer, Department of Precision Instruments and Mechanology, Tsinghua University 1995-2001

Associate Professor, Department of Precision Instruments and Mechanology, Tsinghua University 2001-2012

Associate Professor, Department of Mechanical Engineering, Tsinghua University 2013- present

Fundamentals of Mechanical Design A(2)

Comprehensive Practice of Mechanical Design A

Capstone Project/ Manufacturing process design practice

Mechanical design and theory;

Biomechanics;

Rehabilitation engineering;

1. Wan, Chao; Hao, Zhixiu，Gorb, S.N.,Natural arrangement of micro-strips reduces shear strain in the locust cuticle during power amplification, Journal of Biomechanics 104 (2020) 109742

2. Wan Chao, Cao Rentian, Hao Zhixiu, The Effect of Ground Type on the Jump Performance of Adults of the Locust Locusta migratoria manilensis: A Preliminary Study Insects 2020, 11, 259; doi:10.3390/insects11040259

3. Ren, X.; Xiao, L.; Hao, Z. Multi-property cellular material design approach based on the mechanical behaviour analysis of the reinforced lattice structure， MATERIALS & DESIGN, 2019,Vol.174

4. Wan, Chao; Souza, Richard B.; Li, Xiaojuan; Hao, Zhixiu; Ge, Liang; Tang, Simon Y.; Alliston, Tamara，T1ρ-based fibril-reinforced poroviscoelastic constitutive relation of human articular cartilage using inverse finite element technology, Quantitative Imaging in Medicine and Surgery,2019, Vol.9(3):359-370.

5. Wan, Chao; Feng, XiQiao; Hao, Zhixiu，Mechanical characterization of the key portions in locust semi-lunar processes under different strain rates，Journal of Biomechanics.2019, Vol.95

6. Lu, Yao; Hao, Zhixiu; Wan, Chao，Morphological and mechanical characterization of collagen-coated native silk fibroin fibers using chemical method， Materials Research Express, 2019, Vol.6(8).

7. Zhang Jingchen; Xiao, Liying; Tong, Lingying; Wan, Chao; Hao, Zhixiu, Quantitative Evaluation of Enzyme-induced Porcine Articular Cartilage Degeneration Based on Observation of Entire Cartilage Layer Using Ultrasound，Ultrasound in Medicine and Biology. 2018 Vol.44(4):861-871.

8. Wan, Chao; Hao, Zhixiu，Does the graft-tunnel friction influence knee joint kinematics and biomechanics after anterior cruciate ligament reconstruction? A finite element study, Computer Methods in Biomechanics and Biomedicao Engineering. 2018，Vol.21(3):278-286.

9. Lingying Tong, Hao, Zhixiu, Chao Wan, Shizhu Wen. Detection of depth-depend changes in porcine cartilage after wear test using Raman spectroscopy. J. Biophotonics. 2018, DOI: 10.1002/jbio.201700217.

10. Chao Wan, Hao, Zhixiu, Zhichang Li, Jianhao Lin, Finite element simulations of different hamstring tendon graft lengths and related fixations in anterior cruciate ligament reconstruction, Medical & Biological Engineering & Computing, (2017) 55:2097–2106 DOI 10.1007/s11517-017-1637-7.

11. Haoliuyang Cai, Hao, Zhixiu, Liying Xiao, Chao Wan and Lingying Tong, The collagen microstructural changes of rat menisci and tibiofemoral cartilages under the influence of mechanical loading: An in vitro wear test of whole joints, Technology and Health Care -1 (2017) 1–11, DOI 10.3233/THC-171323.

12. Wang Haosen, Hao, Zhixiu, Wen Shizhu, Do biodegradable magnesium alloy intramedullary interlocking nails prematurely lose fixation stability in the treatment of tibial fracture? A numerical simulation, Journal of the Mechanical Behavior of Biomedical Materials, DOI: 10.1016/j.jmbbm.2016.08.014(online)（2017，V65.117-126）

13. Haosen Wang, Hao, Zhixiu, Shizhu Wen, Finite element analysis of the effect of medullary contact on fracture healing and remodeling in the intramedullary interlocking nail-fixed tibia fracture，International Journal for Numerical Methods in Biomedical Engineering, DOI: 10.1002/cnm.2816.(online)( 2017, 33(4))

14. Chao Wan, Hao, Zhixiu, Xiqiao Feng, Structures, properties, and energy storage mechanisms of the semilunar process cuticles in locusts, Scientific Reports 6, 35219 DOI: 10.1038/srep35219 (2016).

15. Wan, Chao; Hao, Zhixiu; Wen, Shizhu，The effect of healing in the medial collateral ligament of human knee joint: a three-dimensional finite element analysis， Journal of Engineering in Medicine. 2016, 230(9): 867-875.)

16. Guo Yang, Hao, Zhixiu, Wan Chao, Tribological characteristics of polyvinylpyrrolidone(PVP) as a lubrication additive for artificial knee joint. Tribology International 2016，93:214-219.

17. Wang Haosen, Hao, Zhixiu, Wen Shizhu, Adhesion strength and morphologies of aBMSCs during initial adhension and spreading. Acta mechanica solida sinica, 2015, 28(5): 497-509.

18. Chao Wan, Hao, Zhixiu, Lingying Tong, Jianhao Lin, Zhichang Li, Shizhu Wen. An update on the constitutive relation of ligament tissues with the effects of collagen types. Journal of the Mechanical Behavior of Biomedical Materials, 2015, 50: 255–267.

19. Chao Wan, Zhixiu Hao, Shizhu Wen, Huijie Leng. A Quantitative Study of the Relationship between the Distribution of Different Types of Collagen and the Mechanical Behavior of Rabbit Medial Collateral Ligaments. PLOS ONE, 2014, 9(7): e103363.

20. Chao Wan, Zhixiu Hao, Shizhu Wen. A comparison of material characterizations in frequently used constitutive models of ligaments. International Journal for Numerical Methods in Biomedical Engineering, 2014, 30(6): 605-615.

21. Chao Wan, Zhixiu Hao, Shizhu Wen. The effect of the material property change of anterior cruciate ligament by ageing on joint kinematics and biomechanics under tibial varus/valgus torques. Bio-medical materials and engineering, 2014, 24(1): 1375-1382.

22. Chao Wan, Zhixiu Hao, Shizhu Wen. The effect of the variation in ACL constitutive model on joint kinematics and biomechanics under different loads: A finite element study. Journal of Biomechanical Engineering– Transactions of the ASME, 2013, 135: 041001.

23. Chao Wan, Zhixiu Hao, Shizhu Wen. A quantitative comparison of morphological and histological characteristics of collagen in rabbit medial collateral ligament. Annals of Anatomy-Anatomischer Anzeiger, 2013, 195(6): 562-569.

24. Chao Wan, Zhixiu Hao, Shizhu Wen. A review on research on development of ligament constitutive relations on macro, meso, and micro levels. Acta mechanica solida sinica, 2013, 26(4): 331-343

25. Chuanyong Qu, Shou-wen Yu, Xi-qiao Feng, Zhi-xiu Hao, Damage model of bone under mechanical and electromagnetic loading, Computational materials science, 2012 Vol.57(5):89-93.

26. Zhixiu Hao, Chao Wan, Xiangfei Gao, Tao Ji. The effect of boundary condition on the biomechanics of human pelvic joint under axial compressive load: a Three-Dimensional Finite Element Model. Journal of Biomechanical Engineering– Transactions of the ASME, 2011, 133: 101006.

National Teaching Achievement Award second prize (2009,2001)

Beijing Teaching Achievement Award first prize (2009,2001)

Excellent textbooks for ordinary colleges and universities nationwide first prize (2002)

Tsinghua University Teaching Achievement Special Award (2008)

Tsinghua University Textbook Achievement first prize (2008)

Tsinghua University Software Achievement first prize (2008,2005)

Tsinghua University Teaching Achievement second prize (2010,2008,2004)

Tsinghua University Young Teacher Teaching Excellence Award (2007)