منابع مشابه
Irreversible crumpling of graphene from hydrostatic and biaxial compression
We perform molecular dynamics simulations to investigate the irreversibility of crumpled graphene obtained by hydrostatic or biaxial compression. Our results show that there is a critical degree of crumpling, above which the crumpling is irreversible after the external force is removed. The critical degree of irreversible crumpling is closely related to the self-adhesion phenomenon of graphene,...
متن کاملWavelet analysis of DEM simulations of samples under biaxial compression
The results of a wavelet analysis of data from discrete element modelling (DEM) simulations of samples under biaxial compression are presented. We show how a wavelet technique may be used to find the strain scales on which critical events occur and to identify regions both in space and in strain when particles in the sample undergo significant activity. The wavelet analysis indicates that most ...
متن کاملCompacting of Particles for Biaxial Compression Test by the Discrete Element Method
Numerical simulation of the compacting of particles for the biaxial compression test using the discrete element method is presented. Compacting is considered as the first independent step required for a proper simulation of the entire compression process. In terms of the continuum approach, compacting is regarded as generation of the initial conditions. Three different compacting scenarios with...
متن کاملRefined Buckling Analysis of Rectangular Plates Under Uniaxial and Biaxial Compression
In the traditional buckling analysis of rectangular plates the classical thin plate theory is generally applied, so neglecting the plating shear deformation. It seems quite clear that this method is not totally appropriate for the analysis of thick plates, so that in the following the two variable refined plate theory proposed by Shimpi (2006), that permits to take into account the transverse s...
متن کاملNegative Poisson's ratio in 2D Voronoi cellular solids by biaxial compression: a numerical study
A 2D (two dimensional) random cellular solid model was built using FEM(finite element method) based on a modified Voronoi tessellation technique. A sequence of permanent biaxial compression deformations was applied on the model to obtain a series of re-entrant random cellular solid structures with different area compression ratios. The Poisson's ratio and energy absorption capacity of cellular ...
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ژورنال
عنوان ژورنال: Journal of the Society of Naval Architects of Japan
سال: 1984
ISSN: 1884-2070,0514-8499
DOI: 10.2534/jjasnaoe1968.1984.156_323