Abstract
AbstractThis paper presents the application of an advanced modeling strategy for the nonlinear analysis of structures with unreinforced masonry (URM) components under blast loading. This approach enables the investigation of the nonlinear dynamic response of large structures with URM walls, accounting for the mechanical and geometrical characteristics of URM components, the coupling between the in-plane and out-of-plane response as well as the interaction between URM panels and the other parts of the considered structural system. According to the utilized strategy an URM wall is described by a parent structure, which consists of super-elements representing the partitioned subdomains, allowing effective parallelization of the nonlinear structural analysis simulation. Each partition is represented by a detailed 3D mesoscale model, which uses an advanced 2D nonlinear interface element that allows the representation of crack propagation in URM elements. Furthermore, the macroscale model considers only the par...
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