Open AccessIncorporation of Load Induced Thermal Strain in Finite Element Models
Author(s) -
Angus Law,
Martin Gillie,
Pankaj Pankaj
Publication year - 2009
Publication title -
acta polytechnica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.207
H-Index - 15
eISSN - 1805-2363
pISSN - 1210-2709
DOI - 10.14311/1079
Subject(s) - finite element method , representation (politics) , simple (philosophy) , thermal , strain (injury) , yield (engineering) , element (criminal law) , structural engineering , computer science , materials science , mathematics , engineering , thermodynamics , composite material , physics , philosophy , political science , medicine , epistemology , politics , law
Load induced thermal strains (LITS) are an integral part of the behaviour of concrete in fire; their existence has been well documented and modelled by different researchers. More thorough representation of LITS is needed to accurately represent their plastic constituents in finite element models. This paper develops a technique to allow the evolution of LITS in accordance with the rules developed in several academic models. The technique is implemented with a simple Drucker-Prager yield surface and the results assessed.