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    Discontinuous modelling of shear bands using adaptive meshfree methods

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    12608445_paper10_07.pdf (1.462Mb)
    Author
    Rabczuk, T.
    Samaniego, E.
    Date
    2008
    Permanent Link
    http://hdl.handle.net/10092/706

    A simple methodology to model shear bands as strong displacement discontinuities in an adaptive meshfree method is presented. The shear band is represented by a displacement jump at discrete particle positions. The displacement jump in normal direction is suppressed with penalty method. Loss of material stability is used as transition criterion from continuum to discontinuum. The method is two-and three-dimensional. Examples of complicated shear banding including transition from brittle-to-ductile failure are studied and compared to experimental data and other examples from the literature.

    Subjects
    meshfree methods
     
    shear bands
     
    loss of hyperbolicity
     
    Fields of Research::290000 Engineering and Technology::290500 Mechanical and Industrial Engineering::290501 Mechanical engineering
    Collections
    • Engineering: Journal Articles [1124]
    Rights
    https://hdl.handle.net/10092/17651

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