Grain-based model
WebNov 25, 2024 · Based on the provincial level of China’s major grain-producing areas, a land resource limitation model is combined with the land resource carrying capacity index model to facilitate the analysis of the limitation degree of land resources on population aggregation in 13 provinces and the clarification of the population distribution of China ... WebJan 7, 2024 · The accurate grain-based model (AGBM) was generated based on the mineralogical morphology and mechanical parameters obtained from microscale rock mechanics experiments (micro-RME). In Section 3, the initiation and propagation of microcracks in granite subjected to high temperature were observed in real time with …
Grain-based model
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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 … 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 …
WebApr 13, 2024 · A dislocation-based constitutive model was used to analyze the phenomenon of dislocation migration, and it was demonstrated that the migration of dislocations causes stress changes at the grain boundaries (GBs), which induces strain-softening and releases the atom’s internal strain energy. 11 More in-depth studies have … 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.
WebCrop growth and development is a dynamic and complex process, and the essence of yield formation is the continuous accumulation of photosynthetic products from multiple fertility stages. In this study, a new stacking method for integrating multiple growth stages information was proposed to improve the performance of the winter wheat grain yield … WebJul 31, 2024 · A grain-based rock model was developed and applied to study mechanical characteristics and failure micromechanics in thick-walled cylinder and wellbore stability tests. The rock is represented as an assembly of tetrahedral blocks with bonded contacts. Material heterogeneity is modeled by varying the tensile strength at the block contacts. …
WebCrop growth and development is a dynamic and complex process, and the essence of yield formation is the continuous accumulation of photosynthetic products from multiple fertility …
WebJan 12, 2015 · We generalize our view of a bonded-particle model (BPM) to consist of a base material (that is a packed assembly of rigid grains joined by deformable and breakable cement at grain–grain contacts) to which larger-scale joints can be added and whose mechanical behavior is simulated by the distinct-element method using the two- and … ct swim day at quassyWebApr 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 ... ct swim clinics adultsWebJan 8, 2024 · PFC-GBM (Particle Flow Code-Grain Based Model) is the major and fundamental method to simulate rock behaviors in this paper. Geo-materials are … ease benefit loginctswimming.orgWebJan 1, 2010 · The grain-based model (GBM) based on DEM is a powerful approach to represent the deformable and breakable micromechanical … ease bed frame troubleshootingWebNov 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. ease bed remote control pairingWebThe bonded-particle model (BPM, (3)) has been extended using the smooth-joint logic (4) to mimic a grain-based material consisting of deformable, breakable polygonal grains cemented along their adjoining sides. A methodology for calibrating the grain-based model to respect the microstructure (by capturing the primary microstructural features ... ease benefit administration