Mechanics, Department System Dynamics and Friction Physics

Dr.-Ing. Qiang Li

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Research ID


Office C8-4
Building M
Room 127
Address Str. des 17. Juni 135
10623 Berlin

Scientific Curriculum Vitae

Since 2014Research assistant at the Department of System Dynamics and Friction Physics, TU Berlin
2014Doctorate at the Department of System Dynamics and Friction Physics, TU Berlin
2007-2010M.Sc in Mechanical Engineering, East China University of Science and Technology, China
2003-2007B.Sc in Mechanical Engineering, East China University of Science and Technology, China

Research Interests

Contact Mechanics
Elastomer contact
Influence of oscillations on friction
Numerical Methods in Contact Mechanics

Supervised Courses

Theory of Materials
Project: Simulation of Tribological Contacts



Li Q, Wilhayn J, Lyashenko IA, Popov VL, Adhesive contacts of rough elliptical punches, Mech Res Commun, 2022, 122:103880.

Li Q, Lyashenko IA, Pohrt R, Popov VL, Influence of a Soft Elastic Layer on Adhesion of Rough Surfaces, In: Borodich, F.M., Jin, X. (eds) Contact Problems for Soft, Biological and Bioinspired Materials. Biologically-Inspired Systems, 2022, 15:93-102

Li Q, He X, Popov VL, Strength of adhesive contact between a rough fibrillar structure and an elastic body: influence of fibrillar stiffness, J Adhes, 2021, 98(12):1-14

Li Q, He X, Popov VL, Simulation of Adhesive Contact of Soft Microfibrils, Lubricants, 2020, 8(10):94

Li Q, Popov VL, A numerical study of JKR-type adhesive contact of ellipsoids, Q. Li, V.L. Popov, J Phys D, 2020, 53(33):335303

Li Q, Pohrt R, Popov VL, Adhesive Strength of Contacts of Rough Spheres, Front. Mech. Eng, 2019, 5:7.

Li Q, Popov, VL, Adhesive contact between a rigid body of arbitrary shape and a thin elastic coating, Acta Mechanica, 2019, 230 (7):, 2447-2453.

Argatov II, Li Q, Popov VL, Cluster of the Kendall-type adhesive microcontacts as a simple model for load sharing in bioinspired fibrillar adhesives, Arch. Appl. Mech., 2019, 89 (8):1447-1472.

Li Q, Popov VL, Adhesive contact of rough brushes, ‎Beilstein J. Nanotechnol, 2018, 9: 2405–2412.

Li Q, Popov VL, Adhesive force of flat indenters with brush-structure, FU Mech Eng, 2018, 16(1): 1-8. 

Li Q, Argatov II, Popov VL, Onset of detachment in adhesive contact of an elastic half-space and flat-ended punches with non-circular shape: analytic estimates and comparison with numeric analysis, J. Phys. D, 2018, 51(14):145601.

Popov VL, Pohrt R, Li Q, Strength of adhesive contacts: Influence of contact geometry and material gradients, Friction, 2017, 5(3): 308-325.

Li Q, Popov VL, On the possibility of frictional damping with reduced wear: A note on the applicability of Archard's law of adhesive wear under conditions of fretting, Phys Mesomech, 2017, 20(5):91-95.

Argatov I, Li Q, Pohrt R, Popov VL, 2016, Johnson–Kendall–Roberts adhesive contact for a toroidal indenter, ‎Proc. Royal Soc. A, 472(2191).


Li Q, Forsbach F, Benad J, Numerical implementation of fretting wear in the framework of the MDR,  FU Mech Eng, 2019, 17(1):87-93.

Li Q, Voll L, Starcevic J, Popov VL. Heterogeneity of material structure determines the stationary surface topography and friction, Sci R, 2018, 8, 14168.

Li Q, Forsbach F, Schuster M, Pielsticker D, Popov VL, Wear Analysis of a Heterogeneous Annular Cylinder, Lubricants, 2018, 6(1): 28.

Li Q. Limiting profile of axisymmetric indenter due to the initially displaced dual-motion fretting wear, FU Mech Eng, 2016, 14(1): 55-61.

Li Q, Filipopov AE, Dimaki AV, Chai YS, Popov VL. Simplified simulation of fretting wear using the method of dimensionality reduction. 2014. Phys Mesomech, 17(3): 236-241

Contact Mechanics

Hanisch T, Richter I, Li Q, Frictional energy dissipation in a contact of elastic bodies subjected to superimposed normal and tangential oscillations, Phys Mesomech, 2020, 23(2):67-73

Li Q, Popov VL, Non-adhesive contacts with different surface tension inside and outside the contact area,  Front Mech Eng, 2020, 6:63

Li Q, Popov VL. Normal line contact of finite-length cylinders, FU Mech Eng, 2017, 15(1): 63-71.

Li Q. On the tensor of tangential stiffness in contact problems, Phys Mesomech, 2017, 20(5): 51-56. 

Li Q, Popov, VL. Indentation of flat-ended and tapered indenters with polygonal geometries, FU Mech Eng, 2016, 14(3):241-249

Willert E, Li Q, Popov VL. The JKR-adhesive normal contact problem of axisymmetric rigid punches with a flat annular shape or concave profiles, FU Mech Eng2016: 14 (3), 281-292.

Zhang J, Butz A, Li Q. Simulation of frictional energy dissipation in a fiber contact subjected to normal and tangential oscillation. Phys Mesomech. 2015; 18(4), 52-56.

Elastomer contact

Popov VL, Voll L, Kusche S, Li Q, Rozhkova SV, Generalized master curve procedure for elastomer friction taking into account dependencies on velocity, temperature and normal force, Tribol Int, 2018, 20:376-380. 

Li Q, Dimaki AV, Popov M., Psakhie SG, Popov VL. Kinetics of the coefficient of friction of elastomers. Sci R. 2014; 4, 5795

Popov VL, Voll L, Li Q, Chai YS, Popov M. Generalized Law of Friction between elastomers and differently shaped rough bodies. Sci R, 2014, 3, 3750.

Li Q, Popov M, Dimaki A, Filipopov AE, Kürschner S, Popov VL. Friction between a viscoelastic body and a rigid surface with random self-affine roughness. Phys Rev Lett, 2013, 111(3):034301.

Li Q, Popov M, Dimaki A, et al. Li et al. Reply. Phys Rev Lett, 2013, 111(18): 189402

Infleuence of oscillations on friction

Zughaibi JM, Schulze FH, Li Q. Critical velocity of controllability of sliding friction by normal oscillations for an arbitrary linear rheology, Phys Mesomech, 2018, 21(4): 371-378.

Popov M, Li Q. Multi-mode active control of friction, dynamic ratchets and actuators, Phys Mesomech2017, 20(5): 26-32.

Milahin N, Li Q, Starcevic J. Influence of the normal force on sliding friction under ultrasonic oscillations. FU Mech Eng. 2015, 13(11): 27-32.

Milahin N, Li Q. Friction and wear of s spherical indenter under influence of out-of-plane ultrasonic oscillations. Phys Mesomech. 2015, 18(4): 38-41.

Popov M, Li Q, Popov N. Damping in viscoelastic contacts under combined normal and tangential oscillation . AIP Conference Proceedings, 1683, 020187 (2015).

Numerical Methods in Contact Mechanics

Li Q, R. Pohrt R, Lyashenko IA, Popov VL, Boundary element method for nonadhesive and adhesive contacts of a coated elastic half-space, Proc. Inst. Mech. Eng. J, 2019,

Li Q, Popov VL. Boundary element method for normal non-adhesive and adhesive contacts of power-law graded elastic materials, Comput Mech, 2018, 16(3):319-329.

Pohrt R, Li Q. Complete Boundary Element Formulation for Normal and Tangential Contact Problems. Phy Mesomech 17, 334–340 (2014).


Li Q, Lyashenko IA, Starcevic J, An experimental study on third-body particle transport in sliding contact, FU Mech Eng, 2021, 19 (1), 1-5

Li Q, Simulation of A Single Third-Body Particle in Frictional Contact, FU Mech Eng, 2020, 18(4):537-544