Mostofgranularmaterialsarehighlyheterogeneous,composedofvoidsandparticleswithdifferentsizesandshapes.Geologicalmatter,soilandclayinnature,geostructure,concrete,etc.arepracticalexamplesamongthem.Fromthemicroscopicview,alocalregioninthemediumisoccupiedbyparticleswith
力学快报：英文版
2013年2期
