大地测量与地球动力学2003，Vol.23Issue(z1)：30-33,49,5.
INVERSE DDA OF A SYSTEM OF BLOCKS IN SPHERE COORDINATES
INVERSE DDA OF A SYSTEM OF BLOCKS IN SPHERE COORDINATES
摘要
Abstract
In accordance with the geometric equations of elastic-mechanics in the sphere-coordinates, the displacement equation of blocks on asphere consisting of 6 deforming parameters is developed, The formula for distance between blocks is derived under the supposition that all block boundaries are prime arcs. The kinematic constraint and the penalty function for reasonable contact between blocks are developed. The normal equations and their coefficient matrix, based on the Least Squares Principle, are derived. The problem of adjudging penetration between blocks is discussed, and a solution is proposed.关键词
Discontinuous Deformation Analysis (DDA)/sphere-coordinate/current crust movementKey words
Discontinuous Deformation Analysis (DDA)/sphere-coordinate/current crust movement分类
天文与地球科学引用本文复制引用
Wu Yun,Wang Hui,Zhou Shuoyu,Shi Shunying..INVERSE DDA OF A SYSTEM OF BLOCKS IN SPHERE COORDINATES[J].大地测量与地球动力学,2003,23(z1):30-33,49,5.基金项目
Supported by National Natural Science Foundation(40074024) and the National 973 Project‘ The Mechemism and Predictors of Strong Earthquake of Continent' (G199804073). （40074024）
