Competitiveness of Computational Modelling Strategies: a Framework to Implement Efficient Digital Twins of Historical Masonry Structures
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This paper proposes a framework for implementing rational digital twins for the structural integrity historic masonry structures by examining the competitiveness and reliability of various computational strategies. To this end, the structural behaviour of an unreinforced masonry pier-spandrel system is analysed using the discrete element method and reduced discrete rigid block analysis. Additionally, the finite element method, in which masonry is modelled as a homogeneous continuum incorporating continuum discretisation with a plasticity-based damage model, is also considered. Analytical approaches based on limit analysis, including both micro and macro-LA, are hence explored. Comparisons among the computational modelling strategies are performed by analysing computational efficiency and the accuracy of the response measures predicted.
