机构地区: 华南理工大学土木与交通学院
出 处: 《华南理工大学学报(自然科学版)》 2000年第2期18-23,共6页
摘 要: 提出一种基于Radon变换的反投影重建法重建二维矢量场的数学模型.对于任意形状的单连域弹性体受荷载作用时,根据给定的边界条件及给定的本构关系,就可以重建体内平面位移场和应力场.对于轴对称问题,只要已知边界条件,就可以重建体内平面位移场. This paper presents a new maths method for vector field reconstruction with inverse projections based on Radon transition. This method can construct displacement and stress field on the basis of the known boundary condition and the known stress_strain relation for arbitrarily single_domain elastic body. It can also reconstruct displacement field for an axially symmetrical object on the basis of the known boundary condition.