محبوبترین نویسندگان :
نویسندگان مقالات پربازدید :
مجله بین المللی جامدات و سازه ها
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال
حوزه های تحت پوشش رویداد
  • جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/01/01
    • تاریخ انتشار در تی پی بین: 1392/01/01
    • تعداد بازدید: 729
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     a strip electric–magnetic polarization saturation (semps) model is developed to study the electric and magnetic yielding effects on a crack in magnetoelectroelastic (mee) media. in this model, the mee medium is treated as being mechanically brittle, and electrically and magnetically ductile. analogously to the classic dugdale model, the electric and magnetic yielding zones in front of the crack are represented for simplicity by two strips. in the electric yielding strip the electric displacement equals the electric displacement saturation and meanwhile in the magnetic yielding zone the magnetic induction equals the magnetic induction saturation. the nonlinear analytical solution of this semps model of crack in an infinite mee medium is obtained using an integral equation approach. the equivalence between the proposed semps model and the existing strip electric–magnetic breakdown (semb) model is demonstrated. to analyze the nonlinear fracture problem in the corresponding finite mee media, the non-linear hybrid extended displacement discontinuity-fundamental solution (nlhedd-fs) method is modified, and a multiple iteration approach is adapted to determine the electric and magnetic yielding zones. comparing with the analytical solution, the applicability and effectiveness of the nlhedd-fs method is verified. numerical results based on the semps model for a center crack in infinite and finite mee strip are presented.

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