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Grant 7AMB16AT035     1.1.2016 - 31.12.2017
Grantor: Ministry of Education, Youth and Sports - MMT

Performance and thermodynamic aspects of incrementally non-linear constitutive equations of the rate type


Although first models of hypoplasticity were proposed some decades ago, their properties have not yet been sufficiently understood, neither from the viewpoint of general applicability to large classes of technical problems, nor from the viewpoint of their mathematical well-posedness and numerical complexity. In special cases, however, there is evidence of their strong modeling potential for describing irreversible deformations, in particular in the case of granular or porous solids. The goal of this project is to exploit the complementary knowledge and experience of its participants, and classify the individual models within a larger thermomechanical context. The models will be investigated both analytically and numerically, and the results will be compared with known experimental data published in the literature, which will enable us to decide about their applicability for solving practical problems.

 Main investigator:

Krejč Pavel

 Participating institutions:

Institute of Mathematics, Czech Academy of Sciences
Graz University of Technology, Institute of Applied Mechanics, Austria