非线性随机有限元加速收敛算法下的基坑边坡稳定性分析

Stability Analysis of Foundation Pit Slope Based on Nonlinear Stochastic Finite Element Accelerated Convergence Algorithm

边坡稳定非线性有限元可靠度分析是计算边坡稳定性的重要的方法,但其计算过程和速度并没有得到很大的改善。采用验算点法对基坑边坡性临界稳定性分析,对边坡稳定性分析采用有限元法进行分析,并对有限元方程进行求解,采用Aitken加速收敛算法提高方程式的收敛性,最后进行案例分析。通过研究表明,本文所采用的有限元加速随机收敛算法计算边坡稳定性具有可靠性。

The nonlinear finite element reliability analysis of slope stability is an important method to calculate slope stability,but its calculation process and speed have not been greatly improved.The checking point method is used to analyze the stability of the foundation pit slope,the finite element method is used to analyze the slope stability,and the finite element equation is solved.Aitken accelerated convergence algorithm is used to improve the convergence of the equation.Finally,the case analysis is carried out.The results show that the method of accelerated stochastic convergence of finite element is reliable.