Finite Element Modeling of Ground - Structure Interaction Considering Non-Linear Response of the Ground

Jancy, F and Amirtham, Rajagopal and B, Umashankar and M R, Madhav (2011) Finite Element Modeling of Ground - Structure Interaction Considering Non-Linear Response of the Ground. In: Proceedings of Indian Geotechnical Conference, 15-17, December 2011, Kochi.

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Response of the ground on which the structure rests will have a bearing on the distribution of forces in the structural members. Conventional method s of structural analysis and design a ssume often fixed bases for various loading conditions. A realistic analysis and design procedure should includ e actual support flexibility, no nlinear and heterogeneous nature of the soil together with nonlinear soil-structure in teraction effects. Such an analysis would resu lt in overall stiffne ss of the soil-foundation-structure system , realistic to the existing conditions. This work focuses on the computational modeling of ground-structure interaction usi ng finite element package ANSYS. To demonstrate the behavior of structure while considering actual nature of ground response , a simple portal frame is analyzed. Portal frame is modeled as linear elastic, whereas the ground is modeled as both linear elastic and non-linear elastic-plastic behavior. The study gives insight into variation of displacement of portal frame while considering linear and non-linear behavior of ground.

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IITH Creators:
IITH CreatorsORCiD
Amirtham, RajagopalUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Subjects: Civil Engineering > Structural engineering and underground construction
Civil Engineering > Soil Structure Interaction
Divisions: Department of Civil Engineering
Depositing User: Team Library
Date Deposited: 09 Sep 2015 04:55
Last Modified: 01 Sep 2017 06:38
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