【摘要】 利用灰色代数曲线模型(GAM)建模理论对多元非线性系统的初始地应力场进行了系统分析,用有限元模型计算值拟合实际初始地应力场.研究结果表明,拟合精度满足工程要求,并经工程实例证实.计算工作由MATLAB软件编程完成.更多还原

【Abstract】 Initial in-situ stress field in a multivariate nonlinear system is analyzed systematically by using establishing model theory of greyalgebraic curve model. The authentic initial in-situ stress field is fitted by applied calculating result of Finite Element Analysis. The research result shows that fit precision can satisfy the engineering demanding,which is proved by some engineering practices. In this paper,the research result is finished by MATLAB program.更多还原