【摘要】 根据当前随机有限元方法研究的现状,分析各种方法的优缺点,提出了一种求解复杂非线性结构可靠指标的行之有效的计算方法。利用响应面法求出衬砌的荷载效应,采用蒙特卡洛法或遗传算法求解可靠指标。采用该方法对厦门东通道海底隧道的衬砌结构进行了可靠性分析。更多还原

【Abstract】 A new method was used to analyze the reliability of complex nonlinear structure base on the advantage and disadvantage of current research, response surface method, Monte-Carlo method and genetic algorithm were used to get the reliability index. This method is used to analyze the reliability of Xiamen submarine tunnel.更多还原