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    A new approach for modelling slip lines in geological materials with cohesive models

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    Author
    Rabczuk, T.
    Areias, P.M.A.
    Date
    2006
    Permanent Link
    http://hdl.handle.net/10092/159

    A methodology to model slip lines as strong displacement discontinuities within a continuum mechanics context is presented. The loss of hyperbolicity of the IBVP is used as the criterion for switching from a classical continuum description of the constitutive behaviour to a traction-separation model acting at the discontinuity surface. A version of the element-free Galerkin (EFG) method is employed where the slip line is represented as a set of slipped particles. The representation of the slip line as set of cohesive segments promises to remove difficulties in the propagation of the slip line. Two-dimensional examples are studied using the Drucker–Prager material model.

    Subjects
    Meshfree methods
     
    Slip line
     
    Loss of hyperbolicity
     
    Traction-separation laws
     
    Fields of Research::290000 Engineering and Technology::290500 Mechanical and Industrial Engineering::290501 Mechanical engineering
    Collections
    • Engineering: Journal Articles [1026]
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