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无穷远受载的各向同性基体中球向均匀各向异性夹杂的特殊性质

胥柏香 王敏中

北京大学学报(自然科学版)2008,Vol.44Issue(6):847-852,6.
北京大学学报(自然科学版)2008,Vol.44Issue(6):847-852,6.

无穷远受载的各向同性基体中球向均匀各向异性夹杂的特殊性质

The Remarkable Nature of the Spherically Uniform Anisotropic Inclusion in an Isotropic Matrix under Remote Traction

胥柏香 1王敏中1

作者信息

  • 1. 湍流与复杂系统国家重点实验室,北京大学工学院力学与空天技术系,北京,100871
  • 折叠

摘要

Abstract

A spherically uniform linear anisotropic spherical inclusion perfectly bounded in an infinite isotropic matrix is studied.When the system is subjected to a remote traction,analytical results show that remarkable natures appear in the spherical inclusion.It is demonstrated that when 0<κ<1 an infinite stress appears at the center of the inclusion.Furthermore,a cavitation is formed in the case of tension loading and 0<κ<1/3,and a blackhole comes into being when a compression loading is applied and 0<κ<1.

关键词

球向各向异性/球形夹杂/黑洞现象/空蚀现象

Key words

spherically anisotropic/spherical inclusion/blackhole/cavitation

分类

数理科学

引用本文复制引用

胥柏香,王敏中..无穷远受载的各向同性基体中球向均匀各向异性夹杂的特殊性质[J].北京大学学报(自然科学版),2008,44(6):847-852,6.

基金项目

国家自然科学基金(10672001)和Gottlieb Daimler-and Karl Benz-Stiftung奖学金资助 (10672001)

北京大学学报(自然科学版)

OA北大核心CSCDCSTPCD

0479-8023

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