Reza Ghaffari M.Sc.

Reza Ghaffari M.Sc.

Member

AICES

Advisor / Co. Advisor

Prof. Sauer

Thesis Title

Continuum Mechanical Surrogate Models of Atomistic Surface Manifolds

Contact

AICES Graduate School
RWTH Aachen University
Schinkelstra├če 2a
D-52062 Aachen
Germany

Office: 205
Phone: +49 241 80 99750
Fax: +49 241 80 628498
Email: ghaffari(AT)aices(DOT)rwth-aachen(DOT)de

Education

  • Since 10/2015 Doctoral studies, Aachen Institute for Advanced Study in Computational Engineering Science, RWTH Aachen, Germany
  • 09/2011 - 02/2012 M.Sc. in Aerospace Structures, Aerospace Department, Sharif University, Iran
  • 09/2006 - 07/2010 B.Sc. in Aerospace Engineering, Aerospace Depatment, KNT-University, Iran

Research Interest

  • Nonlinear continuum mechanics, finite element and thermoelasticity
  • Computational contact (frictional & adhesive contact)
  • Multiscale simulation
  • Molecular mechanics and dynamics, and quantum mechanics
  • Structural dynamics and vibration of continuous systems
  • Isogeometric analysis (IGA)
  • Plasticity and damage mechanics

Publications

  • Ghaffari, R., Alipour, K., Solgi, S., Irani, S., and Haddadpour, H. (2015). Investigation of surface stress effect in 3D complex nano parts using FEM and modified boundary Cauchy-Born method, J. Comput. Sci., 10:1-12.
  • Ghaffari, R., Duong, T. X., and Sauer, R. A. (2017). A new shell formulation for graphene structures based on existing ab-initio data, Int. J. Solids Struct., 135:37-60 , preprint.
  • Ghaffari, R. and Sauer, R. A. (2018). Modal analysis of graphene-based structures for large deformations, contact and material nonlinearities, J. Sound Vib., 423:161-179, preprint.
  • Ghaffari, R. and Sauer, R. A. (2018). A new efficient hyperelastic finite element model for graphene and its application to carbon nanotubes and nanocones, Finite Elem. Anal. Des., preprint.

Presentations

  • 88th GAMM Annual Meeting, Weimar, Germany (March 6-10, 2017).
  • 89th GAMM Annual Meeting, Munich, Germany (March 19-23, 2017).
  • ESMC10 : 10th European Solid Mechanics Conference, Bologna, Italy (July 2-6, 2018).

Research Gallery

Graphene Structures

Indentation of graphene, and bending and twisting of carbon nanotubes
(Ghaffari et al., 2017)
Nonlinear modal analysis of adhesive graphene sheets, and carbon nanotubes
(Ghaffari and Sauer, 2018)
Bending and twisting of carbon nanocones
(Ghaffari and Sauer, 2018)

Modified Boundary Cauchy-Born

Relaxation of nanogear and nanopyramid
(Ghaffari et al., 2015)

Thesis

Continuum mechanical surrogate models of atomistic surface manifolds