THERMAL DIFFUSION OVER A MASSIVE PORTLAND CEMENT CONCRETE STRUCTURE
Palavras-chave:
Temperature, Diffusion, Finite Difference, Differential Equations, Numerical SimulationResumo
The thermal diffusion in continuous solid media is of relevant once temperature and its
oscillations influence over a wide diversity of natural phenomena, namely, the alkali-aggregate reaction,
concrete Creep and Shrinkage, that affect the concrete structures mechanical performance. The physical
model referring to phenomenon approached in this paper culminates in the Heat Diffusion Differential
Equation. Despite its modest formulation, the Finite Difference Technique may be used to support the
computational tools applied to the numerical analysis expeditiously, suitable to the endorsement of
studies and designs. The subject of this work is the numerical simulation of te thermal diffusion across
concrete massive structures focusing specially over the temperature fields evolution by time of its
continuous soli mass. With a view to the full development of the proposed subject one-dimensional and
two-dimensional models are implemented using an automatic language translated algorithm through the
Finite Difference Approach on the Heat Diffusion Differential Equation. The obtained results confirm
the proposed model suitability to simulate the studied phenomenon behavior, so that represents
strategically promising tools to perform similar tasks.
