A displacement based FE formulation for steady state problems

Yuhong Yu

    Research output: ThesisPhD Thesis - Research UT, graduation UT

    27 Downloads (Pure)

    Abstract

    In this thesis a new displacement based formulation is developed for elasto-plastic deformations in steady state problems. In this formulation the displacements are the primary variables, which is in contrast to the more common formulations in terms of the velocities as the primary variables. In a steady state process, a transient calculation is not required and only space discretizations are needed, without time discretizations. The evolution of the material variables is expressed as an integration along the streamlines. The resulting differential equation describes steady convection with source terms.
    Original languageEnglish
    Awarding Institution
    • University of Twente
    Supervisors/Advisors
    • Huétink, J., Supervisor
    Award date12 Jan 2005
    Place of PublicationEnschede
    Publisher
    Print ISBNs9789077172131
    Publication statusPublished - 2005

    Fingerprint

    Plastic deformation
    Differential equations
    Convection

    Cite this

    Yu, Y. (2005). A displacement based FE formulation for steady state problems. Enschede: University of Twente.
    Yu, Yuhong. / A displacement based FE formulation for steady state problems. Enschede : University of Twente, 2005. 104 p.
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    abstract = "In this thesis a new displacement based formulation is developed for elasto-plastic deformations in steady state problems. In this formulation the displacements are the primary variables, which is in contrast to the more common formulations in terms of the velocities as the primary variables. In a steady state process, a transient calculation is not required and only space discretizations are needed, without time discretizations. The evolution of the material variables is expressed as an integration along the streamlines. The resulting differential equation describes steady convection with source terms.",
    author = "Yuhong Yu",
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    Yu, Y 2005, 'A displacement based FE formulation for steady state problems', University of Twente, Enschede.

    A displacement based FE formulation for steady state problems. / Yu, Yuhong.

    Enschede : University of Twente, 2005. 104 p.

    Research output: ThesisPhD Thesis - Research UT, graduation UT

    TY - THES

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    AU - Yu, Yuhong

    PY - 2005

    Y1 - 2005

    N2 - In this thesis a new displacement based formulation is developed for elasto-plastic deformations in steady state problems. In this formulation the displacements are the primary variables, which is in contrast to the more common formulations in terms of the velocities as the primary variables. In a steady state process, a transient calculation is not required and only space discretizations are needed, without time discretizations. The evolution of the material variables is expressed as an integration along the streamlines. The resulting differential equation describes steady convection with source terms.

    AB - In this thesis a new displacement based formulation is developed for elasto-plastic deformations in steady state problems. In this formulation the displacements are the primary variables, which is in contrast to the more common formulations in terms of the velocities as the primary variables. In a steady state process, a transient calculation is not required and only space discretizations are needed, without time discretizations. The evolution of the material variables is expressed as an integration along the streamlines. The resulting differential equation describes steady convection with source terms.

    M3 - PhD Thesis - Research UT, graduation UT

    SN - 9789077172131

    PB - University of Twente

    CY - Enschede

    ER -

    Yu Y. A displacement based FE formulation for steady state problems. Enschede: University of Twente, 2005. 104 p.