Abstract
With the significant progress in computational geomechanics, multi-scale or multi-level computation termed as the numerical testing (NT) or numerical material (NM), has become more and more acceptable towards the study on the mechanical behaviors of rock-like materials. Nevertheless, it is rather cumbersome that the NT for the properties of rock-like materials demands large computation efforts arise from various sizes of testing specimen and stochastic distributions of aggregate in a concrete mass or discrete fracture network (DFN) in a rock sampling window. Therefore, from practical motivations it is attractive to introduce the CEM with facilitated pre-process into the NT that allows for repeatedly testing on a large number of specimens. In this chapter, the philosophy and roadmap of the NT towards the permeability matrix and elastic compliance matrix as well as their corresponding REV for fractured rocks are elucidated by the hybrid DFN/CEM.
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Chen, Sh. (2019). Comprehensive Application of the Composite Element Method: Numerical Test of Jointed Rock Masses. In: Computational Geomechanics and Hydraulic Structures. Springer Tracts in Civil Engineering . Springer, Singapore. https://doi.org/10.1007/978-981-10-8135-4_18
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