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A meshfree method for bending and failure in non-ordinary peridynamic shells

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Abstract

The peridynamic theory of solid mechanics offers an integral based alternative to traditional continuum models based on partial differential equations. This formulation is particularly advantageous when applied to material failure problems that result in discontinuous displacement fields. This paper presents a meshfree implementation of a state-based peridynamic bending model based on the idea of rotational springs between pairs of peridynamic bonds. Energy-based analysis determines the properties of these bond pairs for a brittle material, resulting in a constitutive model that naturally gives rise to localized damage and crack propagation.

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Acknowledgments

This work was funded by grant number W911NF-11-1-0208 from the United States Air Force Office of Scientific Research.

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Authors and Affiliations

  1. The University of Texas at Austin, Petroleum & Geosystems Engineering, Austin, TX, 78712, USA

    James O’Grady & John Foster

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  1. James O’Grady
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  2. John Foster
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Correspondence to James O’Grady.

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O’Grady, J., Foster, J. A meshfree method for bending and failure in non-ordinary peridynamic shells. Comput Mech 57, 921–929 (2016). https://doi.org/10.1007/s00466-016-1269-z

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