Model Exchange

Heat and Moisture Benchmark

A.W.M. (Jos) van Schijndel, Eindhoven University of Technology

Benchmarks are important tools to verify computational models. In the research area of building physics, the so-called HAMSTAD (Heat, Air and Moisture STAnDardization) project is a very well known benchmark for the testing of simulation tools.
It is concluded that the following two main guidelines provide a stable and correct numerical solution for the benchmark:
(1) Use the LPc (the natural logarithmic of the suction pressure Pc) as moisture potential.
(2) Use 2-D interpolation (table lookup) based on LPc and temperature for all PDE coefficients.

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