Microscopic modeling of soil pore fluid interactions in drained tests

Jay Meegoda, P. Ratnaweera

Research output: Contribution to conferencePaperpeer-review

Abstract

The microscopic model TRUBAL was modified and used to study solid pore fluid interactions. The influence of pore fluid on the granular assembly was modeled by introducing the Reynolds equation based on theory of hydrodynamic lubrication. The Reynolds equation is solved using finite difference method for each contact using the particle velocities computed from TRUBAL. At any time increment, drag forces and equivalent upthrust values due to the localized pore pressures are calculated using Reynolds equation for the particle motions resulted from the earlier time increment. Modified TRUBAL for saturated soils was used to simulate triaxial tests. Numerical triaxial simulations using the modified TRUBAL program produced treads similar to the physical tests.

Original languageEnglish (US)
Pages1315-1318
Number of pages4
StatePublished - Jan 1 1995
EventProceedings of the 10th Conference on Engineering Mechanics. Part 1 (of 2) - Boulder, CO, USA
Duration: May 21 1995May 24 1995

Other

OtherProceedings of the 10th Conference on Engineering Mechanics. Part 1 (of 2)
CityBoulder, CO, USA
Period5/21/955/24/95

All Science Journal Classification (ASJC) codes

  • Architecture
  • Civil and Structural Engineering

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