Yun-Bo Yi
Professor

Address:
Department of Mechanical
and Materials Engineering
University of Denver
2155 E. Wesley Ave.
Denver, CO 80208
U.S.A.

Office: ECS 239
E-mail: Yun-Bo.Yi@du.edu
Phone: (303)871-2228
Fax: (303)871-4450


Education

Ph.D. in Mechanical Engineering, University of Michigan, Ann Arbor (2001)
M.S. in Mechanical Engineering, University of Missouri-Rolla (1997)
B.S. in Automotive Engineering, Tsinghua University, Beijing, China (1994)

Experience

Professor, Mechanical & Materials Engineering, University of Denver
Associate Professor, Mechanical & Materials Engineering, University of Denver
Assistant Professor, Mechanical & Materials Engineering, University of Denver
Assistant Research Scientist, Mechanical Engineering, University of Michigan
Postdoctoral Research Fellow, Mechanical Engineering, University of Michigan
Summer Intern, Ford Motor Company Scientific Research Lab, Michigan
Engineer, Shanghai Automotive Research Institute, Shanghai, China

Teaching

  • Dynamics I
  • Dynamics II
  • Machine Design
  • Advanced Numerical Methods
  • Elasticity
  • Mechanics of Materials
  • Advanced Mechanics of Materials

Research

My research interests span several areas in mechanical engineering, with a main focus on modeling of thermal-mechanical instabilities and friction materials. I am also interested in (1) energy dissipation in MEMS/NEMS systems, (2) physical properties of multiscale particulate and fibrous materials, and (3)numerical modeling of biosystems, such as probabilistic simulation of macromolecules. Please click the following links to learn more about my research.

Journal Publications

  1. Zhang, Y., Koranteng, K., and Yi, Y.B. (2023), Characterization of Graphene Reinforced 3C-SiC Composite as a Metal-Free Friction Material Using Molecular Dynamics Simulation, Computational Materials Science, Vol. 218:111973.
  2. Zhang, Y., LeNeave, C., and Yi, Y.B. (2023), Predictive Modeling of Silicon Carbide as a Metal-Free Friction Material using Molecular Dynamics Simulation, International Journal for Multiscale Computing Engineering, Vol. 21(4), pp. 59-79.
  3. Koranteng, K., Zhang, Y., LeNeave, C., and Yi, Y.B. (2023), Thermomechanical Instability of Viscoelastic Friction Materials in Automotive Disk Clutches and Brake Pads, Journal of Thermal Stresses, doi:10.1080/01495739.2023.2191671.
  4. Koranteng, K., Shaahu, J.-S., and Yi, Y.B. (2022), A Transient Simulation of Thermomechanical Instability in Metal-Free Friction Materials with Anisotropic Properties, International Journal of Solids and Structures, Vol. 252: 111816.
  5. Qiao, Y., Yi, Y.B., Wang, T., Cui, H., and Lian, Z. (2022), Effect of Wear on Thermoelastic Instability Involving Friction Pair Thickness in Automotive Clutches, ASME Journal of Tribology, Vol. 144: 041202.
  6. Zhao, D., Zhang, Y., and Yi, Y.B. (2021), Computational Modeling of Thermal Conductivity of Random Particulate Composites with Contact Resistance, International Journal for Multiscale Computational Engineering, Vol. 19, pp. 39-56.
  7. Koranteng, K., Shaahu, J.S., Yi, Y.B. (2021), Effect of Contact Geometry on Temperature Field Distribution and Thermal Buckling of an In-Wheel Disc Brake System. Australian Journal of Mechanical Engineering, doi:10.1080/14484846.2021.1958992.
  8. Koranteng, K., Shaahu, J.-S., Ma, C., Li, H., and Yi, Y.B. (2021), The Performance of Cu-based Friction Material in Dry Clutch Engagement, Journal of Engineering Tribology, Vol. 235, pp. 1114-1123.
  9. Chen, Z.,Yi,Y.B., and Bao, K. (2021), Prediction of Thermally Induced Postbuckling of Clutch Disks Using the Finite Element Method, Journal of Engineering Tribology, Vol. 235, pp. 303-314.
  10. Qiu, J., Williams, J. and Yi, Y.B. (2020), Random Walk Based Stochastic Modeling of Diffusion in Spherical and Ellipsoidal Composites , International Journal for Multiscale Computational Engineering, Vol.18, pp.493-505.
  11. Qiao, Y., Ciavarella, M., Yi, Y.B., and Wang, T. (2020), Effect of Wear on Frictionally Excited Thermoelastic Instability: A Finite Element Approach, Journal of Thermal Stresses, Vol. 43, pp.1-13.
  12. Gong, Y., Wang, P., Ge, W., and Yi, Y.B. (2019), Numerical Simulation and Mechanism Analysis on the Concave Deformation of Automotive Dry Clutch Pressure Plate, Applied Sciences, Vol. 9(23): 5017.
  13. Chen, Z.,Yi,Y.B., Bao, K., and Zhao, J.(2019), Numerical Analysis of the Coupling Between Frictionally Excited Thermoelastic Instability and Thermal Buckling in Automotive Clutches, Journal of Engineering Tribology, Vol. 233, pp.178-187.
  14. Gong, Y., Ge, W. and Yi, Y.B. (2018), Finite Element Analysis of Thermal Buckling Characteristics of Automotive Dry Clutch Pressure Plate, International Journal of Vehicle Design, Vol. 78, pp.108-130.
  15. Qiu, J., and Yi,Y.B.(2018), Random Walk Simulation Model of Diffusion in Circular and Elliptical Particulate Composites, International Journal for Multiscale Computational Engineering, Vol. 16, pp.131-142.
  16. Lu, T., Solis-Ramos, E., Yi,Y.B.,and Kumosa, M. (2018), UV degradation model for polymers and polymer matrix composites, Polymer Degradation and Stability, Vol. 154, pp. 203-210.
  17. Lu, T., Solis-Ramos, E., Yi,Y.B.,and Kumosa, M. (2017), Particle Removal Mechanisms in Synergistic Aging of Polymers and Glass Reinforced Polymer Composites under Combined UV and Water, Composites Science and Technology, Vol. 153, pp.273-281.
  18. Lu, T., Solis-Ramos, E., Yi,Y.B.,and Kumosa, M. (2016), Synergistic Environmental Degradation of Glass Reinforced Polymer Composites, Polymer Degradation and Stability, Vol. 131, pp.1-8.
  19. Chen, Z., Yi, Y.B.,and Zhao, J. (2016), Fourier Finite Element Model for Prediction of Thermal Buckling in Disc Clutches and Brakes, Journal of Thermal Stresses, Vol. 39(10), pp.1241-1251.
  20. Zhao, J., Chen, Z., Yang, H., and Yi, Y.B., (2016), Finite Element Analysis of Thermal Buckling in Automotive Clutch Plates, Journal of Thermal Stresses, Vol. 39(1), pp.77-89.
  21. Zhao, J., Yi, Y.B., and Li, H., (2015), Effects of Frictional Material Properties on Thermoelastic Instability Deformation Modes, Journal of Engineering Tribology, Vol. 229(10), pp.1239-1246.
  22. Qiu, J., Yi, Y.B., and Guo, X., (2015), Computational Prediction of Electrical and Thermal Conductivities of Disklike Particulate Composites, International Journal of Computational Materials, Vol. 4(2), art.1550013 (18 pages).
  23. Belhocine, A., Cho, C.D., Nouby, M., Yi, Y.B., and Bakar, A.R.A., (2014), Thermal Analysis of Both Ventilated and Full Disc Brake Rotors with Frictional Heat Generation, Applied and Computational Mechanics, Vol. 8, pp.5-24.
  24. Yi, Y.B., Bendawi, A., Li, H., and Zhao, J., (2014), Finite Element Analysis of Thermoelastic Instability In Intermittent Sliding Contact, Journal of Thermal Stresses, Vol. 37, pp.870-883.
  25. Guo, X., Yi, Y.B., and Kumosa,M.S., (2014), A Reduced Computational Model for Prediction of Electrical Resistance in Fibrous Composites, International Journal for Multiscale Computational Engineering, Vol.12(5), pp. 451-463.
  26. Guo, X. and Yi, Y.B., (2014), Suppression of Thermoelastic Damping in MEMS Beam Resonators by Piezoresistivity, Journal of Sound and Vibration, Vol. 333, pp. 1079-1095.
  27. Guo, X., Yi, Y.B., and Pourkamali, S., (2013), A Finite Element Analysis of Thermoelastic Damping in Vented MEMS Beam Resonators, International Journal of Mechanical Sciences, Vol. 74, pp. 73-82.
  28. Guo, X., Yi, Y.B., and Pourkamali, S., (2013), Thermal-Piezoresistive Resonators and Self-Sustained Oscillators for Gas Recognition and Pressure Sensing, IEEE Sensors Journal, Vol. 13(8), pp.2863-2872.
  29. Yi, Y.B., (2013),Finite Element Analysis of Vibrating Canisters Filled with Calcined Nuclear Waste, Journal of Applied Mechanical Engineering, Vol. 2, art.1000e117.
  30. Zhao, J., Ma, B., Li, H., and Yi, Y.B., (2013), The Effect of Lubrication Film Thickness on Thermoelastic Instability under Fluid Lubricating Condition, Wear, Vol. 303, pp. 146-153.
  31. Yi, Y.B., (2013), Stochastic Modeling of Macromolecular Motions Through Post Arrays, International Journal for Multiscale Computational Engineering, Vol. 11(4), pp.347-358.
  32. Yi, Y. B. and Esmail, K., (2012), Computational Measurement of Void Percolation Thresholds of Oblate Particles and Thin Plate Composites, Journal of Applied Physics, Vol. 111, art. 124903.
  33. Yi, Y.B. and Bendawi, A., (2012), Effect of Convective Cooling on Frictionally Excited Thermoelastic Instability, Wear, Vol. 296, pp. 583-589.
  34. Yi, Y.B., (2010), Finite Element Analysis of Thermoelastic Damping in Contour-Mode Vibrations of Micro- and Nanoscale Ring, Disk, and Elliptical Plate Resonators, ASME Journal of Vibration and Acoustics, Vol. 132 (4), art. 041015, pp.1-7.
  35. Tawerghi, E. and Yi, Y. B., (2009), A Computational Study on the Effective Properties of Two-phase Heterogeneous Media Containing Particulate Inclusions, Journal of Physics D: Applied Physics, Vol. 42(17), art. 175409, pp.1-10.
  36. Yi, Y. B., Rahafrooz, A., and Pourkamali, S., (2009), Modeling and Testing of the Collective Effects of Thermoelastic and Fluid Damping on Silicon MEMS Resonators, Journal of Micro/Nanolithography, MEMS, and MOEMS, Vol. 8, art.023010, pp.1-7.
  37. Yi, Y. B. and Tawerghi, E., (2009), Geometric Percolation Thresholds of Interpenetrating Plates in Three-dimensional Space, Physical Review E, Vol. 79, art.041134, pp.1-6.
  38. Yi, Y. B., (2008), The Role of Interparticle Contact in Conductive Properties of Random Particulate Materials, Acta Materialia, Vol. 56, pp.2810-2818.
  39. Tang, H. W., Yi, Y. B., and Matin, M. A., (2008), Predictive Modeling of Thermoelastic Energy Dissipation in Tunable MEMS Mirrors, Journal of Micro/Nanolithography, MEMS, and MOEMS, Vol. 7, art.023004, pp.1-8.
  40. Zhang, T. and Yi, Y. B., (2008), A Monte Carlo Simulation of Effective Electrical Conductivity in Coated Fibers, Journal of Applied Physics, Vol. 103, art. 014910, pp. 1-7.
  41. Yi, Y. B., (2008), Geometric Effects on Thermoelastic Damping in MEMS Resonators, Journal of Sound and Vibration, Vol. 309, pp. 588-599.
  42. Matin, M. A., Yi, Y. B. and Gogte, V., (2007), Modeling and Analysis of a Low Actuation Voltage MEM-mirror with Spring Structure for Tunable Optical Filter, Journal of Micro/Nanolithography, MEMS, and MOEMS, Vol. 6, art.023011, pp. 1-8.
  43. Yi, Y. B. and Matin, M. A., (2007), Eigenvalue Solution of Thermoelastic Damping in Beam Resonators Using a Finite Element Analysis, ASME Journal of Vibration and Acoustics, Vol 129, pp. 478-483.
  44. Yi, Y. B., (2006), Void Percolation and Conduction of Overlapping Ellipsoids, Physical Review E, Vol. 74, art. 031112, pp.1-6.
  45. Yi, Y. B., (2006), Finite Element Analysis of Thermoelastodynamic Instability Involving Frictional Heating, ASME Journal of Tribology, Vol. 128, pp. 718-724.
  46. Yi, Y. B. and Lengsfeld, C. S., (2006), Mechanical Modeling of Carbonic Anhydrase Motion in Simple Channels, Journal of Applied Physics, Vol. 100, art.014701, pp.1-7.
  47. Leinninger, G. M., Backus, C., Sastry, A. M., Yi, Y. B., Wang, C. W., and Feldman, E. L., (2006), Mitochondria in DRG Neurons Undergo Hyperglycemic Mediated Injury Through Bim, Bax and the Fission Protein Drp1, Neurobiology of Disease, Vol. 23, pp. 11-22.
  48. Yi, Y. B., Wang, C. W. and Sastry, A. M., (2006), Compression of Packed Particulate Systems: Simulations and Experiments in Graphitic Li-ion Anodes, ASME Journal of Engineering Materials and Technology, Vol. 128(1), pp.73-80.
  49. Paso, K., Senra, M., Yi, Y. B., Sastry, A. M., and Fogler, H. S., (2005), Paraffin Polydispersity Facilitates Mechanical Gelation, Industrial & Engineering Chemistry Research , Vol. 44(18), pp. 7242-7254.
  50. Yi, Y. B., Wang, H., and Sastry, A. M., and Lastoskie, C. M., (2005), Multilevel Direct Stochastic Simulation of Ca2+ Motion in Cells, Physical Review E, Vol. 72, art. 021913, pp. 1-12.
  51. Venkatesan, R., Nagarajan, N. R., Paso, K., Yi, Y.B., Sastry, A.M., and Fogler, H.S., (2004), The Strength of Paraffin Gels Formed under Static and Flow Conditions, Chemical Engineering Science, Vol. 60, pp. 3587-3598.
  52. Wang, C. W., Yi, Y. B., and Sastry, A. M., (2004), Particle Compression and Conductivity in Li-Ion Anodes with Graphite Additives, Journal of Electrochemical Society, Vol. 151(9), pp. A1489-A1498.
  53. Yi, Y. B., Wang, C. W., and Sastry, A. M., (2004), Two-dimensional versus Three-dimensional Clustering and Percolation in Fields of Overlapping Elllipsoids, Journal of Electrochemical Society, Vol. 151(8), pp. A1292-A1300.
  54. Yi, Y. B., Berhan, L. M., and Sastry, A. M., (2004), Statistical Geometry of Random Fibrous Networks, Revisited: Waviness, Dimensionality and Percolation, Journal of Applied Physics, Vol. 96(3), pp. 1318-1327.
  55. Yi, Y. B. and Sastry, A. M., (2004), Analytical Approximation of Percolation Threshold for Overlapping Ellipsoids, Proc. Royal Society of London Series A, Vol. 460, pp. 2353-2380.
  56. Berhan, L., Yi, Y. B., Sastry, A. M., Munoz, E, Selvidge, M., and Baughman, R., (2004), Mechanical Properties of Nanotube Sheets: Alterations in Joint Morphology, and Achievable Moduli in Manufacturable Materials, Journal of Applied Physics, Vol. 95(8), pp. 4335-4345.
  57. Berhan, L., Yi, Y. B., and Sastry, A. M., (2004), Effect of Nanorope Waviness on the Effective Moduli of Nanotube Sheets, Journal of Applied Physics, Vol. 95(9),pp.5027-5034.
  58. Yi, Y. B. and Sastry, A. M., (2002), Analytical Approximation of the Two-Dimensional Percolation Threshold for Fields of Overlapping Ellipses, Physical Review E, Vol. 66, art.066130, pp.1-8.
  59. Yi, Y. B., Barber, J. R., and Zagrodzki, P., (2000), Eigenvalue Solution of Thermoelastic Instability Problems Using Fourier Reduction, Proc. Royal Society of London Series A, Vol. 456, pp. 2799-2821.
  60. Yi, Y. B., Du, S., Barber, J. R., and Fash, J. W., (1999), Effect of Geometry on Thermoelastic Instability in Disk Brakes and Clutches, ASME Journal of Tribology, Vol. 121, pp. 661-666.

Book Chapters

  • Yi, Y. B., Barber, J. R., and Hartsock, D. L., (2002), Thermoelastic Instabilities in Automotive Disc Brakes - Finite Element Analysis and Experimental Verification, in J.A.C.Martins and Manuel D.P.Monteiro Marques eds., Contact Mechanics, Kluwer, Dordrecht, pp. 187-202.
  • Yi, Y.B., (2013), Perturbation Methods in Thermoelastic Instability (TEI) with Finite Element Implementation, Encyclopedia of Thermal Stresses, Springer, pp. 3635-3641.
  • Yi, Y.B., (2013), Thermoelastic Damping in Resonators, Encyclopedia of Thermal Stresses, Springer, pp. 5672-5679.

Licensed Software

  • Yi, Y. B. and Barber, J. R., HotSpotter -A Method and Apparatus for Predicting the Critical Rotational Speed at Which a Clutch or a Multi-disk Brake Will Exhibit Hot Spots as a Result of Thermoelastic Instability, Copyright(C), the University of Michigan, 2001.

Conference Publications

    Many.

Funding Sources

Last Edited 5/2023. You are the Website Hit Counterth visitor