How to model Soil layers in COMSOL

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SUMMARY

The discussion focuses on modeling soil layers in COMSOL, specifically creating three layers measuring 3m x 0.7m, 3m x 0.15m, and 3m x 0.25m. A load of 60 kPa is applied at the center of the 0.25m layer to analyze deformation across all layers. The user initially set up a 2D model but encountered unexpected 3D results during analysis. The solution involves ensuring the application mode is correctly set to 2D to maintain the intended modeling dimensions.

PREREQUISITES
  • Familiarity with COMSOL Multiphysics software
  • Understanding of soil mechanics and load application
  • Knowledge of 2D modeling techniques in finite element analysis
  • Basic principles of meshing and result analysis in COMSOL
NEXT STEPS
  • Review COMSOL Multiphysics documentation on 2D modeling
  • Learn about applying loads in COMSOL and analyzing deformation
  • Explore meshing techniques for accurate finite element analysis
  • Investigate troubleshooting common issues in COMSOL simulations
USEFUL FOR

Engineers, researchers, and students involved in geotechnical modeling, particularly those using COMSOL for soil layer analysis and deformation studies.

Phanindra
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Hi all,

i Have a small problem regarding modeling of Soil layers..

The problem is , I need to draw 3layers of soil each measuring 3*0.7, 3*0.15, 3*0.25 .At the middle of the 3*0.25 layer i need to apply a load of 60Kpa & find out the deformation on all the layers because of that load. I started with a 2d model & drew 3 rectangles of given dimension. on the 0.25 layer i applied the load & applied respective conditions. Meshed it & analyzed the result. When i analyzed it, it appeared in 3D. Donno what had happened. your Help is highly appreciated.

Regards,
Phanindra.Y
 
Engineering news on Phys.org
Hi Phanindra, what application mode are you running? If you set it to 2D would think it would "stick" there.
 

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