Browsing Mechanical & Industrial Engineering by Author "Ebrahimi, Hamid"

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    • Hierarchical honeycomb auxetic metamaterials 

      Mousanezhad, Davood; Babaee, Sahab; Ebrahimi, Hamid; Ghosh, Ranajay; Hamouda, Abdelmagid Salem; ... more authors ( Nature Publishing Group , 2015 , Article)
      Most conventional materials expand in transverse directions when they are compressed uniaxially resulting in the familiar positive Poisson’s ratio. Here we develop a new class of two dimensional (2D) metamaterials with ...

    • Honeycomb sandwich panels subjected to combined shock and projectile impact 

      Ebrahimi, Hamid; Ghosh, Ranajay; Mahdi, Elsadig; Nayeb-Hashemi, Hamid; Vaziri, Ashkan ( Elsevier Ltd , 2016 , Article)
      Structural response and failure modes of honeycomb sandwich panels subjected to a shock (impulsive pressure) followed by a high velocity projectile impact were investigated using detailed finite element simulations. ...