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Compression and shear-wave velocities in discrete particle simulations of quartz granular packings: Improved Hertz-Mindlin contact model
ArticleAbstract: The Hertz-Mindlin (HM) contact model has been a cornerstone for the development of several effectivePalabras claves:3D, Compression wave (P-wave), Rock physics, Shear-wave (S-wave), Wave propagationAutores:Ernesto Medina Dagger, García X., Santos C., Urdaneta V., Xavier García LomasFuentes:googlescopusContact angle entropy and macroscopic friction in noncohesive two-dimensional granular packings
ArticleAbstract: We study the relationship between the granular contact angle distribution and local particle frictioPalabras claves:Autores:Ernesto Medina Dagger, García X., Petit J.C., Sánchez I., Xavier García LomasFuentes:googlescopusHysteresis effects studied by numerical simulations: Cyclic loading-unloading of a realistic sand model
ArticleAbstract: When Hertz-Mindlin force laws are considered in the context of the effective-medium theory, the pbkpPalabras claves:Elastic hysteresis, Elastic moduli, Rocks, sandAutores:Ernesto Medina Dagger, García X., Xavier García LomasFuentes:googlescopusStrong-weak network anisotropy switching and hysteresis in three-dimensional granular materials
ArticleAbstract: We address hysteresis of three-dimensional polydisperse granular packs, comparing macro- and microscPalabras claves:Autores:Ernesto Medina Dagger, García X., Xavier García LomasFuentes:googlescopus