Reference : Numerical Procedure for Calculation of Temperature Evolution in Composite Elements wi...
Scientific journals : Article
Engineering, computing & technology : Civil engineering
Numerical Procedure for Calculation of Temperature Evolution in Composite Elements with Internal Cavities
Luycks, Pierre [> >]
Stienon, P. [> >]
Franssen, Jean-Marc mailto [Université de Liège - ULiège > Département Argenco : Secteur SE > Ingénierie du feu >]
Dotreppe, Jean-Claude mailto [Université de Liège - ULiège > Département Argenco : Secteur SE > Struct. en béton, struc. en bois et résist. au feu >]
Hogge, Michel mailto [Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS - Milieux continus et thermomécanique - Doyen de la Faculté des Sciences appliquées >]
Communications in Numerical Methods in Engineering
John Wiley & Sons, Inc. - Engineering
Yes (verified by ORBi)
West Sussex
United Kingdom
[en] Fire resistance ; thermal calculation ; cavities ; radiation ; SAFIR ; composite structure ; concrete construction ; steel structures
[en] In the paper a computation code based on the finite-element method for temperature evolutions in composite elements with internal cavities is presented. It is suitable for the analysis of various thermal problems encountered in mechanical and civil engineering such as fire risk assessment. It is based on a plane isoparametric triangular element with six nodes allowing the modelling of curved boundaries. In order to analyze composite steel-concrete elements and to take into account the non-linearities coming from the temperature-dependent material properties and from the boundary conditions, an implicit integration scheme is used. Another advantage of the program is the possibility of describing internal cavities with convection and radiation exchanges. In order to show the capacity of the program two examples are presented. Comparisons have been made with experimental and other numerical results, exhibiting very good agreement.

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