Antiplane Wave Scattering from a Cylindrical Void in a Pre-Stressed Incompressible Neo-Hookean Material  

作　　者：William J.Parnell I.David Abrahams 

机构地区：[1]School of Mathematics,Alan Turing Building,University of Manchester,Manchester,M139PL,UK

出　　处：《Communications in Computational Physics》2012年第2期367-382,共16页计算物理通讯（英文）

摘　　要：An isolated cylindrical void is located inside an incompressible nonlinearelasticmediumwhose constitutive behaviour is governed by a neo-Hookean strain energy function.In-plane hydrostatic pressure is applied in the far-field so that the void changes its radius and an inhomogeneous region of deformation arises in the vicinity of the void.We consider scattering from the void in the deformed configuration due to an incident field(of small amplitude)generated by a horizontally polarized shear(SH)line source,a distance r0(R0)away from the centre of the void in the deformed(undeformed)configuration.We show that the scattering coefficients of this scattered field are unaffected by the pre-stress(initial deformation).In particular,they depend not on the deformed void radius a or distance r0,but instead on the original void size A and original distance R0.

关 键 词：PRE-STRESS INCOMPRESSIBLE neo-Hookean rubber incremental SH waves scattering line source 

分 类 号：TG1[金属学及工艺—金属学]