Abstract
Although the heat flow aspects of the simulation of castings now appears to be tolerably well advanced, a recent exercise has revealed that computed predictions can, in fact, be widely different from experimentally observed values. The modeling of flow, where turbulence is properly taken into account, appears to be good in its macroscopic ability. However, better resolution and the possible general incorporation of surface tension will be required to simulate the damaging effect of air entrainment common in most metal castings. It is envisaged that the results of this excercise will constitute a useful benchmark test for computer models of flow and solidification for the foreseeable future.
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Sirrell, B., Holliday, M. & Campbell, J. Benchmark testing the flow and solidification modeling of AI castings. JOM 48, 20–23 (1996). https://doi.org/10.1007/BF03222885
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DOI: https://doi.org/10.1007/BF03222885