Numerical modelling of different applications in Energy Foundation Technology

Tuan Anh Bui, Angela Casarella, Alice Di Donna, Ronald Brinkgreve, Sandro Brasile

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Abstract

Energy foundation technology is expected to make a significant contribution to the use of renewable energy. In this context, this paper presents the use of Finite Element simulation using PLAXIS software for modelling different benchmark applications in Geothermal Foundations. An implicit fully-coupled numerical scheme with global adaptive time stepping are implemented to ensure computational efficiency and stability. Firstly, a transient simulation of thermal response tests [1], often used to estimate the thermal conductivity of ground and thermal resistance of pile, is presented. In the second part, a Thermo-Hydro-Mechanical analysis is performed to simulate the behavior of a single heat pile subject to a thermal load cycle [2]. Several ingredients (constitutive behavior, interface finite elements etc.) are employed to simulate soil-structure interactions. The obtained solutions are validated against available simulation and experimental data to demonstrate the applicability of the simulator to energy foundation analysis and design.
Original languageEnglish
Article number06004
Pages (from-to)1-6
Number of pages6
JournalE3S Web of Conferences
Volume205
DOIs
Publication statusPublished - 2020
Event2nd International Conference on Energy Geotechnics - San Diego, United States
Duration: 10 Apr 202213 Apr 2022
https://icegt-2020.eng.ucsd.edu/home

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