Limit Condition for Anisotropic Materials with Asymmetric Elastic Range

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Authors

  • Janina OSTROWSKA–MACIEJEWSKA Institute of Fundamental Technological Research Polish Academy of Sciences
  • Ryszard Bolesław PĘCHERSKI Institute of Fundamental Technological Research Polish Academy of Sciences; AGH University of Science and Technology Faculty of Mechanical Engineering and Robotics Department of Strength, Fatigue of Materials and Structures
  • Paweł SZEPTYŃSKI AGH University of Science and Technology Faculty of Mechanical Engineering and Robotics Department of Strength, Fatigue of Materials and Structures

Abstract

In the paper a new proposition of an energy-based hypothesis of material effort is intro- duced. It is based on the concept of influence functions introduced by Burzyński [3] and on the concept of decomposition of elastic energy density introduced by Rychlewski [18]. A new proposition enables description of a wide class of linearly elastic materials of arbitrary symmetry exhibiting strength differential effect.

Keywords:

linear elasticity, anisotropy, material effort hypotheses, limit state criteria

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