• damage evolution and thermal coupled effects in inelastic solids

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/06/01
    • تاریخ انتشار در تی پی بین: 1390/06/01
    • تعداد بازدید: 417
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -

    mechanical degradation and ductile failure in metal forming operations can be successfully modelled using continuum damage mechanics. in addition to elastic–plastic deformations, heat transfer affects material behaviour, imposing further effects upon damage evolution. this paper addresses modelling aspects and presents a numerical discussion of the coupled effects between ductile damage and temperature evolution. the heat transfer problem is formulated based on a transient heat conduction approximation, in which heat transfer at the free surfaces and heating due to dissipation of the inelastic work are accounted for. damage is modelled using an elastic–plastic fully coupled approximation, in which differences in tensile and compressive stress states are included.

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