نتایج جستجو برای: bimaterials

تعداد نتایج: 69  

1998
Qing-Hua Qin Yiu-Wing Mai

For a two-dimensional piezoelectric plate, the thermoelectroelastic Green's functions for bimaterials subjected to a temperature discontinuity are presented by way of Stroh formalism. The study shows that the thermoelectroelastic Green's functions for bimaterials are composed of a particular solution and a corrective solution. All the solutions have their singularities, located at the point app...

Journal: :Journal of The Mechanics and Physics of Solids 2022

The fracture problem of multiple branched crack arrays in anisotropic bimaterials is formulated by use the Stroh formalism to linear elasticity theory dislocations. general full-field solutions are obtained from standard technique continuously distributed dislocations along finite-sized cracks arbitrary shapes, which embedded dissimilar half-spaces under far-field stress loading conditions. bim...

Journal: :SIAM J. Scientific Computing 2006
Yiorgos Sokratis Smyrlis Andreas Karageorghis

We propose an efficient boundary collocation method for the solution of certain twoand three-dimensional problems of steady-state heat conduction in isotropic bimaterials. In particular, in two dimensions we consider the case where a circular region composed of one material is coated with an annular region of another material. In three dimensions, we examine the corresponding case for axisymmet...

2013
Xiangfa Wu Yuris A. Dzenis Wen-Sheng Zou Xiang-Fa Wu

An explicit solution for a moving screw dislocation in a piezoelectric bimaterial is given by means of complex variables. The electroelastic fields and forces acting on the moving dislocation are obtained in closed form. As special cases, solutions for a moving screw dislocation in a piezoelectric half-plane with a free or rigid surface are obtained explicitly.

Journal: :journal of computational applied mechanics 0
mohammad reza vaziri sereshk school of mechanical engineering, college of engineering, university of tehran, tehran, iran, mohammad hassan esmaeili mechanical engineering department, university of kashan, kashan, iran

it is difficult to develop an algorithm which is able to generate the appropriate mesh around the interfaces in bimaterials. in this study, a corresponding algorithm is proposed for this class of unified structures made from different materials with arbitrary shapes. the non-uniform mesh is generated adaptively based on advancing front technique available in abaqus software. implementing severa...

Journal: :International Journal of Solids and Structures 2015

Journal: :Fractal and fractional 2022

The fracture of interfacial crack is the main failure type jointed rock mass. Therefore, it very important to study For similarity mass and composites (all are composed by two parts, intact materials their contact interfaces), interface mechanics widely used for analysis (bimaterials) can be applied based on basic theories mechanics, was analyzed, one new criterion initiation proposed. Moreover...

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