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Mechanics and Physics of Defects in Crystals: A Collection in Honor of Professor Nasr Ghoniem

Most mechanical properties of crystalline materials are determined by the characteristics of their lattice defects, their dynamics and their mutual collective interactions. Distinguished Professor Nasr Ghoniem dedicated his career to the field of the mechanics and physics of defects in crystals, with his major contributions focused upon the development of multiscale computational methods for plasticity. The utmost highlight of his illustrious career has been the introduction and development of the discrete dislocation dynamics method. On the occasion of Professor Nasr Ghoniem’s retirement and the associated symposium at the MMM2022 Conference, this collections aims to honor his career contributions and foster the advancements in the mechanics and physics of crystal defects, by bringing together contributions from the international community of modelers and experimentalists in this field, including original research, reviews and commentaries on modern lasting impacts of Professor Ghoniem's career work. 

Topics of interest include, but are not limited to:

  • Discrete dislocation dynamics and molecular dynamics simulations of plasticity and related phenomena
  • Continuum plasticity, phase field and other mesoscale simulation methods
  • Ab-initio investigations of defect energetics and their mechanical property connections
  • Interactions and mechanisms among point defects, dislocations, grain boundaries and material interfaces
  • Novel computational methods in the mechanics and multiscale modeling of crystal defects
  • Mechanics and physics of defects in high-temperature and/or irradiated materials 
  • Statistical aspects of defect microstructure evolution, self-organization and pattern formation
  • Novel experimental investigations of defects in crystalline materials
  • Novel experimental techniques for resolving fine dislocation structural details

Guest Editors

Stefanos Papanikolaou, National Centre for Nuclear Research, Poland

Giacomo Po, University of Miami, USA

Ryan Sills, Rutgers University, USA

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