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    Ultrasonic-assisted manufacturing processes: Variational model and numerical simulations

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    Type
    Article
    Authors
    Siddiqi, Hira Fatima
    El Sayed, Tamer S.
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Learning Support
    Physical Science and Engineering (PSE) Division
    Date
    2012-04
    Permanent link to this record
    http://hdl.handle.net/10754/594289
    
    Metadata
    Show full item record
    Abstract
    We present a computational study of ultrasonic assisted manufacturing processes including sheet metal forming, upsetting, and wire drawing. A fully variational porous plasticity model is modified to include ultrasonic softening effects and then utilized to account for instantaneous softening when ultrasonic energy is applied during deformation. Material model parameters are identified via inverse modeling, i.e. by using experimental data. The versatility and predictive ability of the model are demonstrated and the effect of ultrasonic intensity on the manufacturing process at hand is investigated and compared qualitatively with experimental results reported in the literature. © 2011 Elsevier B.V. All rights reserved.
    Citation
    Siddiq A, El Sayed T (2012) Ultrasonic-assisted manufacturing processes: Variational model and numerical simulations. Ultrasonics 52: 521–529. Available: http://dx.doi.org/10.1016/j.ultras.2011.11.004.
    Sponsors
    This work was fully funded by KAUST's baseline fund.
    Publisher
    Elsevier BV
    Journal
    Ultrasonics
    DOI
    10.1016/j.ultras.2011.11.004
    PubMed ID
    22133735
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.ultras.2011.11.004
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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