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Multi‐scale investigations aided by the discrete element method (DEM) play a vital role for current state‐of‐the‐art research on the elementary behaviour of granular materials. Similar to laboratory tests, there are three important aspects to be considered carefully, which are the proper stress/strain definition and measurement, the application of target loading paths and the designed experiment setup,...
In this article, we present a numerical method to deal with fluid–solid interactions and simulate particle–fluid systems as encountered in soils. This method is based on a coupling between two methods, now widely used in mechanics of granular media and fluid dynamics respectively: the discrete element (DE) method and the lattice Boltzmann (LB) method. The DE method is employed to model interactions...
The description of damaged zones in large scale structures can nowadays be assessed by means of a finite element approach using an appropriate damage model. Nevertheless, a fine description of cracking (crack pattern, crack length, crack opening, crack tortuosity) is of primary importance to satisfy new requirements in design codes, especially when dealing with structure durability. In this paper,...
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