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The thermal technical analysis is an important part of the design of building constructions. Especially for dwelling structures valid Czech(oslovak) and European standards formulate criteria of maximal thermal stability and minimal energy consumption that have to be verified by credible calculations. The propagation of heat through a building construction, consisting typically of several porous layers, is conditioned by the amount of moisture in such construction; simultaneously it is affected by the heat propagation in living rooms, determined by the dynamics of air flow. This contribution presents an overview of various approaches to mathematical modelling and algorithms of technical calculations, known as HAM ("heat, air and moisture") modelling; it contains also references to corresponding software packages.
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