coupled simulation for fire-exposed structures using cfd and thermo-mechanical models

Clicks: 203
ID: 134635
2017
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Abstract
Fire resistance of buildings is based on fire tests in furnaces with gas burners. However, the tests are very expensive and time consuming. This article presents a coupled simulation of an element loaded by a force and a fire loading. The simulation solves a weakly-coupled problem, consisting of fluid dynamics, heat transfer and mechanical model. The temperature field from the computational fluid dynamics simulation (CFD) creates Cauchy and radiative boundary conditions for the thermal model. Then, the temperature field from element is passed to the mechanical model, which induces thermal strain and modifies material parameters. The fluid dynamics is computed with Fire Dynamics Simulator and the thermo-mechanical task is solved in OOFEM. Both softwares are interconnected with MuPIF python library, which allows smooth data transfer across the different meshes, orchestrating simulations in particular codes, exporting results to the VTK formats and distributed computing.
Reference Key
ulc2017actacoupled Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Stanislav Šulc;Vít Šmilauer;František Wald
Journal BMC Bioinformatics
Year 2017
DOI
10.14311/APP.2017.13.0121
URL
https://ojs.cvut.cz/ojs/index.php/APP/article/view/4646
Keywords
engineering (general) civil engineering (general) multiphysics

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