Плоская задача устойчивости несжимаемых тел при неоднородных начальных деформациях в окрестностях горизонтальных горных выработок в упруго-пластическом массиве = Two-dimensional stability problem for horizontal holes that are in uncompressed elastic - plastic materials with inhomogeneous initial deformation

Elman HAZAR

В рамках трехмерной линеаризированной теории устойчивости в случае неоднородных начальных напряженных состояний рассмотрены задача устойчивость и решен с помощью вариационных методов. Полученные результаты достаточно удовлетворительно соответствует точным решениям упругих и упруго-пластических задач при неоднородных пластических деформациях. - Ключевые слова: устойчивость, упруго-пластических, реологических, полость, критическая нагрузка = Stability problems for cases with unhomogenous initial tensions have been studied and solved in the fromework of Three dimensionel stability theory using ...Daha fazlası

Makale 2015 Fen Fakültesi MANAS Journal of Engineering (MJEN)3 ( 2 ) 37 Görüntülenme

Three–dimensional Stability Loss Problems Of Local Near-surface Buckling Of A System Consisting Of An Elastıc Bond Layer And An Elastic Covering Layer

Elman HAZAR

Within the framework of a piecewise homogenous body model and by the use of a three-dimensional linearized theory of stability (TLTS), the local near-surface buckling of a material system consisting of a half-space which is covered by the single layer and half-space materials is elastic. The equations of TLTS are obtained from the three-dimensional geometrically nonlinear equations of the theory of viscoelasticity by using the boundary form perturbations technique. By employing the Laplace and Fourier transform, a method for solving the problem is developed. Numerical results on the critical c ...Daha fazlası

Makale 2014 Fen Fakültesi MANAS Journal of Engineering (MJEN)2 ( 2 ) 73 Görüntülenme

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Elman HAZAR

Three–dimensional Stability Loss Problems Of Local Near-surface Buckling Of A System Consisting Of An Elastıc Bond Layer And An Elastic Covering Layer

Elman HAZAR