Multi-scale response sensitivity analysis based on direct differentiation method for concrete structures
Multi-scale response sensitivity analysis based on direct differentiation method for concrete structures
复制标题
基于直接微分法的混凝土结构多尺度响应灵敏度分析
DOI：
10.1016/j.compositesb.2018.08.131
复制
发表时间：
2019-01-15
影响因子：
13.1
通讯作者：
Lin, Chun
中科院分区：
文献类型：
--
作者：
Gu, Quan;Wang, Lei;Lin, Chun
作为传统的复合材料，混凝土和钢筋混凝土（RC）在民用和军用方面得到了广泛的应用。将有限元与离散元耦合可以实现混凝土结构多尺度响应分析。为了研究响应灵敏度问题，本文将直接微分法（DDM）扩展为FEM-DEM多尺度耦合方法。响应和响应灵敏度分析方法的实现耦合现有的有限元框架，OpenSees，和DEM软件，亚德，基于客户端-服务器（CS）软件集成技术。最后通过一个应用实例说明了本文提出的多尺度响应灵敏度方法。
As traditional composite materials, concrete and reinforced concrete (RC) have been widely used for civil and military purposes. The multi-scale response analysis of concrete structures can be implemented by coupling the finite element and discrete element methods (FEM-DEM). To study the response sensitivities, this paper presents a novel approach by extending the direct differentiation method (DDM) to coupled FEM-DEM multi-scale method. The response and response sensitivity analysis methods are implemented by coupling an existing FEM framework, OpenSees, and DEM software, Yade, based on a client-server (CS) software integration technique. An application example is used to demonstrate the multi-scale response sensitivity method presented herein.