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    A hybrid local/nonlocal continuum mechanics modeling and simulation of fracture in brittle materials

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    A Hybrid Local_Nonlocal Continuum Mechanics Modeling and Simulation of Fracture in Brittle Materials (1).pdf
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    Type
    Article
    Authors
    Wang, Yongwei cc
    Han, Fei
    Lubineau, Gilles cc
    KAUST Department
    Composite and Heterogeneous Material Analysis and Simulation Laboratory (COHMAS)
    Mechanical Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2019-11-28
    Permanent link to this record
    http://hdl.handle.net/10754/660965
    
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    Abstract
    Classical continuum mechanics which leads to a local continuum model, encounters challenges when the discontinuity appears, while peridynamics that falls into the category of nonlocal continuum mechanics suffers from a high computational cost. A hybrid model coupling classical continuum mechanics with peridynamics can avoid both disadvantages. This paper describes the hybrid model and its adaptive coupling approach which dynamically updates the coupling domains according to crack propagations for brittle materials. Then this hybrid local/nonlocal continuum model is applied to fracture simulation. Some numerical examples like a plate with a hole, Brazilian disk, notched plate and beam, are performed for verification and validation. In addition, a peridynamic software is introduced, which was recently developed for the simulation of the hybrid local/nonlocal continuum model.
    Citation
    YongweiWang, Han, F., & Lubineau, G. (2019). A Hybrid Local/Nonlocal Continuum Mechanics Modeling and Simulation of Fracture in Brittle Materials. Computer Modeling in Engineering & Sciences, 121(2), 399–423. doi:10.32604/cmes.2019.07192
    Sponsors
    The authors gratefully acknowledge the financial support received from KAUST baseline, the National Natural Science Foundation (11872016) and the Fundamental Research Funds of Dalian University of Technology (Grant No. DUT17RC(3)092) for the completion of this work.
    Publisher
    Computers, Materials and Continua (Tech Science Press)
    Journal
    CMES - Computer Modeling in Engineering and Sciences
    DOI
    10.32604/cmes.2019.07192
    Additional Links
    http://www.techscience.com/cmes/2019/doi.php?id=6538
    http://tsp.techscience.com//uploads/attached/file/20191126/20191126022509_28110.pdf
    ae974a485f413a2113503eed53cd6c53
    10.32604/cmes.2019.07192
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program

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