Dynamic pore collapse in viscoplastic materials
نویسندگان
چکیده
منابع مشابه
Dynamic pore collapse in viscoplastic tmaterials
Dynamic pore collapse in porous materials is studied by analyzing the finite deformation of an elastic/viscoplastic spherical shell under impulsive pressure loading. Effects of dynamic loading rate, pore size, initial porosity, strain-rate sensitivity, strain hardening, thermal softening, and mass density of the matrix material on the pore collapse process are examined and results are compared ...
متن کاملThe Eshelby Problem for Elastic Viscoplastic Materials
Micro-macro schemes contain two important steps. First, the localization process must link the fields inside the inclusion to those applied in the infinite matrix. Secondly, an averaging process is used to derive the macroscopic behavior. For elastic viscoplastic materials, there is no exact solution for the first step. In this work, we adopt the interaction law proposed in [2]. By comparison w...
متن کاملViscoplastic modeling of granular column collapse with pressure-dependent rheology
http://dx.doi.org/10.1016/j.jnnfm.2015.02.006 0377-0257/ 2015 Elsevier B.V. All rights reserved. ⇑ Corresponding author at: LSPM, University Paris-Nord, Sorbonne-Paris-Cité, France. E-mail addresses: [email protected] (I.R. Ionescu), [email protected] (A. Mangeney), [email protected] (F. Bouchut), O.Roche@opgc. univ-bpclermont.fr (O. Roche). Ioan R. Ionescu a,b,⇑, Anne Mangeney , ...
متن کاملDynamic Frictional Contact for Elastic Viscoplastic Material
Using a general theory for evolution inclusions, existence and uniqueness theorems are obtained for weak solutions to a frictional dynamic contact problem for elastic visco-plastic material. An existence theorem in the case where the friction coefficient is discontinuous is also presented.
متن کاملGravity flow instability of viscoplastic materials: the ketchup drip.
In contrast with simple liquids such as water, milk, honey, which easily flow as a continuous jet when poured from a vessel, pasty materials such as mayonnaise, mustard, ketchup, puree, etc., fall by fits and starts in a wide range of flow rates. This may, for example, be observed when ketchup or mayonnaise is pushed from a tube at a sufficient height over a plate: although surface tension effe...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Applied Physics
سال: 1993
ISSN: 0021-8979,1089-7550
DOI: 10.1063/1.354678