建筑物的正面 发表于 2025-3-21 18:02:57

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Yourself 发表于 2025-3-22 00:09:36

Perturbation solutions for flow through symmetrical hoppers with inserts and asymmetrical wedge hopl and axially symmetric flows, with analytic results possible for both leading order and correction terms. This perturbation scheme is compared with numerical solutions to the governing equations, and is shown to work very well for angles of internal friction in excess of 45°.

沉默 发表于 2025-3-22 01:32:46

A hyperbolic well-posed model for the flow of granular materials,model is hyperbolic for two-dimensional steady-state flows in the inertial regime and (b) the model possesses a domain of linear well-posedness. Specifically, it is proved that incompressible flows are well-posed.

南极 发表于 2025-3-22 08:31:59

Compression and shear of a layer of granular material, stress and velocity fields in terms of the normal and shear forces on the layer at yield are presented for the case in which the surfaces of the platens are perfectly rough. Post-yield behaviour is briefly considered.

不确定 发表于 2025-3-22 12:31:26

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neologism 发表于 2025-3-22 14:22:23

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绝缘 发表于 2025-3-22 18:06:19

Micromechanical constitutive modelling of granular media: Evolution and loss of contact in particle predict the evolution of various anisotropies as well as the formation of a distinct shear band. Moreover, the predicted shear-band properties (. thickness, prolonged localisation, void ratio) are an even better fit with experimental observations than were previously found by use of previously developed micromechanical models.

Figate 发表于 2025-3-23 00:11:44

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conquer 发表于 2025-3-23 05:10:04

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insightful 发表于 2025-3-23 06:28:23

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查看完整版本: Titlebook: Mathematics and Mechanics of Granular Materials; James M. Hill,A.P.S. Selvadurai Book 2005 Springer Science+Business Media B.V. 2005 Funda