Granular matter is the second most handled material after water in the global industry.Its macroscopic behavior arises from a collisional to a collective motion of the constituent grains,with varying lengths and time ...Granular matter is the second most handled material after water in the global industry.Its macroscopic behavior arises from a collisional to a collective motion of the constituent grains,with varying lengths and time scales.The fluid-like and solid-like behaviors of granular materials and their transitions[1]are relevant to many industrial problems,such as mining excavation[2],selective laser sintering and powder spreading[3],thawing-induced slope failure[4],and granular impact[1].Designing and optimizing these processes require a synergy of understandings obtained from studies of contact theories[5],particle morphology or shape representation[5,6],interparticle friction[7],and micro-tomacro[4,7,8]and discrete-to-continuum transitions[1,2].展开更多
文摘Granular matter is the second most handled material after water in the global industry.Its macroscopic behavior arises from a collisional to a collective motion of the constituent grains,with varying lengths and time scales.The fluid-like and solid-like behaviors of granular materials and their transitions[1]are relevant to many industrial problems,such as mining excavation[2],selective laser sintering and powder spreading[3],thawing-induced slope failure[4],and granular impact[1].Designing and optimizing these processes require a synergy of understandings obtained from studies of contact theories[5],particle morphology or shape representation[5,6],interparticle friction[7],and micro-tomacro[4,7,8]and discrete-to-continuum transitions[1,2].
