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Stuck in "prepare modeling" for very long

Question asked by Pradip Aryal on Oct 29, 2014
Latest reply on Nov 4, 2014 by Jared Conway

I am trying to analyze flow simulation and comfort parameters in a relatively bigger classroom (40*30*3 m^3) with 30 central diffuser as an air-conditioning inlet, many heating (surface source) component such as PCs and ceiling lights and students themselves. However, every time I run the simulation it stuck in prepare modelling. It has been stuck for more than 4 hours and I terminated it. My laptop has I7 processor with 8gb of RAM. Is the computer capacity not enough. In order to get preliminary result, I haven't considered several effect such as mesh refinement, heat conduction in solid and radiation. What seem to be the problem here?
Please suggest.