WebNov 28, 2024 · The grain-based modeling (GBM) approach is a promising numerical technique for its unique capability to simulate the fracturing behavior of crystalline rocks. … WebNov 12, 2024 · This paper micromechanically investigated the compression-induced tensile mechanical behaviors of the crystalline rock using the grain-based model (GBM) by universal distinct element code (UDEC). Results showed that the crystalline rock has the rate- and heterogeneity-dependency of tensile behaviors.
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WebJul 15, 2024 · Granite exhibits obvious meso-geometric heterogeneity. To study the influence of grain size and preferred grain orientation on the damage evolution and mechanical properties of granite, as well as to reveal the inner link between grain size‚ preferred orientation, uniaxial tensile strength (UTS) and damage evolution, a series of … WebMar 29, 2024 · The grain-based model used in this study can not only study the crack initiation on the boundary of the pore but also provide a convenient means to analyze and visualize the temporal and spatial micro-cracking process after the crack initiation, which accounts for the variations in the simulated strength and modulus satisfactorily from a … chinese terms of endearment for spouse
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WebApr 10, 2024 · Based on the relevant standards, the notched four-point bending test which is suitable for quasi-brittle materials is established, the test requirements are specified. (2) Aimed on the four-point bending test, the relation between fracture toughness and maximum failure loads is constructed on the basis of the Boundary Effect Model, the role of ... WebJan 1, 1979 · 427 Shorter Communications chemical Engaseenng Science ifl vol 34 pp 427432 Pergnnscsn Press Printed an Great antasn The grain model applied to porous … WebOct 17, 2024 · This method overcomes the shortcomings of the Grain Based Model (GBM) which is impossible to establish a mesoscopic model with a large difference in grain radius. Through the above two methods, the CT slice images were processed in batches, and the numbers of edges, axial length, elongation of the aggregate were identified. chinese terraria texture pack