Department of Mechanical Engineering
Office : MEEG 106
Phone: (479) 575-6701
Fax: (479) 575-6982
E-mail: szhang1@uark.edu
education
· Ph.D., Theoretical and Applied Mechanics, University of Illinois, Urbana-Champaign, 2002
·
M.S., Engineering Mechanics,
·
B.S., Engineering Mechanics,
professional experience
· 08/05 - present, Assistant Professor, Department of Mechanical Engineering, University of Arkansas
· 06/02 - 07/05, Postdoc Associate, Department of Mechanical Engineering, Northwestern University
·
09/97 - 05/02, Graduate Research Assistant,
Department of Theoretical and Applied Mechanics,
·
09/94 - 07/97, Graduate Research Assistant,
Department of Engineering Mechanics,
professional activities
· Reviewer, Physical Review Letters, Physical Review B, Acta Materialia, Journal of Applied Physics, Nano Letters, Carbon, etc..
· Member, STLE, ASME, ASEE
honors and awards
· NSF Summer Institute on Nanomechanics and Materials Fellowship, 2005
·
First Talbot Award,
· International Fellowship, University of Illinois, 1998-1999 .
·
First-ranked student Award,
Research interests
· Multiscale modeling coupling quantum mechanical calculations, atomistic simulations and finite elements
· Nanostructured materials and biologically inspired materials
· Deformation of cells
· Nanomechanics, fracture mechanics at nanoscale
Research
Dr. Zhang's current research is focused on developing multscale modeling schemes coupling quantum mechanical calculations, atomsitic simulations, and finite elements. An important ingredient of his research is to employ the multiscale methods to uncover the deformation mechanisms of nanostructured materials and biologically inspired materials. Specific research topics he has been working on include atomistic simulation if ion-beam deposition, tribological properties of diamond-like carbon films, fracture of defected carbon nanotubes, etc.
TEACHING
selected publications
1. S. Zhang R. Khare, T. Belytshcko, K. Jimmy Hsia, S. Mielke and G. Schatz. Transition states and minimum energy pathways for the collapse of carbon nanotubes. Submitted to Physical Review B.
2. S. Zhang, R. Khare and T. Belytschko. A Bridge domain method for coupled atomistic-continuum modeling of solids. International Journal for Numerical Method in Engineering, Accepted, 2005.
3. S. Zhang and S. L. Mielke, R. Khare, D. Troya, R. S. Ruoff, G. C. Schatz and T. Belytschko. Mechanics of defects in carbon nanotubes: atomistic and multiscale simulations. Physical Review B, 71, 115403, 2005.
4. S. L. Mielke, D. Troya, S. Zhang, J.-L. Li, S. P. Xiao, R. Car, R. S. Ruoff, G. C. Schatz, and T. Belytschko. The role of vacancy defects and holes in the fracture of carbon nanotubes. Chemical Physics Letters 390, 413-420 (2004).
5. S. Zhang, W. K. Liu and R. S. Ruoff. Atomistic simulations of double-walled carbon nanotubes (DWCNTs) as rotational bearings. Nano Letters 4, 293-297 (2004).
6. X. Chen, S. Zhang, G. J. Wagner, W. Ding, D. A. Dikin and R. S. Ruoff. Mechanical resonance and properties of microscale quartz fibers. Journal of Applied Physics 95, 4823-4828 (2004).
7.
S. Lu, D. A. Dikin, S.
Zhang, F. T. Fisher, J. Lee, R. S. Ruoff. Realization
of nanoscale resolution with a micromachined thermally actuated testing stage. Review
of Scientific Instruments 75, 1-9 (2004).
8. S. Zhang, G. J. Wagner, Y. -H. Yu, S. N. Medyanik, Y. -W. Chung. Experimental and molecular dynamics studies of friction between nano-scale carbon coatings. Surface and Coating Technology 177, 518-523 (2004).
9. W. K. Liu, E. G. Karpov, S. Zhang and H. S. Park. An introduction to computational nanomechanics and materials. Computer methods in Applied Mechanics and Engineering 193, 1529-1578 (2004).
10. X. Chen, S. Zhang, D. Dikin, W. Ding, R. S. Ruoff, L. Pan, Y. Nakayama. Mechanics of carbon nanocoils. Nano Letters 3, 1299-1304 (2003).
11. S. Zhang, H. Johnson, G. J. Wagner, W. K. Liu and K. J. Hsia. Stress generation mechanisms in carbon thin films grown by ion-beam deposition. Acta Materialia 51, 5211-5222 (2003).
12. S. Zhang, R. Panat and K. J. Hsia. Influence of surface morphology on the adhesion strength of aluminum/epoxy interface. Journal of Adhesion Science and Technology 17, 1685-1711 (2003).
13. R. Panat, S. Zhang and K. J. Hsia. Boat coat surface rumpling in thermal barrier coatings. Acta Materialia 51, 239-249 (2003).
14. H. Saif, S. Zhang, A. Haque and K. J. Hsia. Effects of native oxide on the elastic response of nanoscale aluminum films. Acta Materialia, vol. 50, pp. 2779-2886, 2002.
15. S. Zhang, K. J. Hsia and A. J. Pearlstein. Potential flow model of cavitation-induced interfacial fracture in a confined, ductile layer. Journal of the Mechanics and Physics of Solids 50, 549-570 (2002).
16. S. Zhang and K. J. Hsia. Modeling the fracture of a sandwich structure due to cavitation in a ductile adhesive layer. Journal of Applied Mechanics 68, 93-100 (2001).
17. S. Zhang and W. Yang. Macrocrack extension by connecting statistically distributed microcracks. International Journal of Fracture 90, 341-353 (1998).
18. S. Zhang, T. Li and W. Yang. Statistical strength of brittle materials with strongly interacting collinear microcracks. International Journal of Solids and Structures 35, 995-1008 (1998).