Force Transmission Modes of Non-Cohesive and Cohesive Materials at the Critical State
نویسندگان
چکیده
منابع مشابه
Force Transmission Modes of Non-Cohesive and Cohesive Materials at the Critical State
This paper investigates the force transmission modes, mainly described by probability density distributions, in non-cohesive dry and cohesive wet granular materials by discrete element modeling. The critical state force transmission patterns are focused on with the contact model effect being analyzed. By shearing relatively dense and loose dry specimens to the critical state in the conventional...
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Cohesive granular materials composed of nonconvex particles.
The macroscopic cohesion of granular materials made up of sticky particles depends on the particle shapes. We address this issue by performing contact dynamics simulations of 2D packings of nonconvex aggregates. We find that the macroscopic cohesion is strongly dependent on the strain and stress inhomogeneities developing inside the material. The largest cohesion is obtained for nearly homogene...
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Cohesion and coupling principles have been first defined for procedural languages with a black box model of control flow in mind [Stevens et al. 1974; Yourdon and Constantine 1979]. These principles state that a module should have high (internal) cohesion and low (external) coupling so that it implements a well defined functionality and can be easily reused [Briand et al. 1998; Briand et al. 19...
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One way to include fracture and fragmentation when analyzing loaded mechanical systems is based on the DEM, [2], [3]. In recent years this approach was adopted in geomechanics and civil engineering to model fracture in elastic-brittle materials, e.g. [1] and [5]. Using this approach, the material is considered as being fully discontinuous and made up by assembling and bonding adjacent discrete ...
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ژورنال
عنوان ژورنال: Materials
سال: 2017
ISSN: 1996-1944
DOI: 10.3390/ma10091014