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Discrete Element Simulations of particles interacting via capillary forces using MercuryDPM
Meysam Bagheri, Sudeshna Roy, Thorsten Poeschel
We present the implementation of two advanced capillary bridge approximations within the Discrete Element Method (DEM) framework of the open-source code MercuryDPM. While MercuryDP…
Shape effects in binary mixtures of PA12 powder in additive manufacturing
Sudeshna Roy, Thorsten Pöschel
The quality of the powder spread in additive manufacturing devices depends sensitively on the particles' shapes. Here, we study powder spreading for mixtures of spherical and irreg…
Alignment-induced depression and shear thinning of anisotropic granular media
Huzaif Rahim, Vasileios Angelidakis, Thorsten Pöschel +1
When granular materials of shape-anisotropic grains are sheared in a split-bottom shear cell, a localized shear band is formed with a depression at its center. This effect is close…
Combined thermal and particle shape effects on powder spreading in additive manufacturing via discrete element simulations
Sudeshna Roy, Hongyi Xiao, Vasileios Angelidakis +1
The thermal and mechanical behaviors of powders are important for various additive manufacturing technologies. For powder bed fusion, capturing the temperature profile and the pack…