Abstract
The article presents the results of numerical modeling of the solidification process. We focused on comparing the results of calculations for various methods of the effective thermal capacity approximation used in the apparent heat capacity formulation of solidification. Apparent heat capacity formulation is one of the enthalpy formulations of solidification, which allows effective simulation of casting solidification with the one domain approach. In particular, we have shown that the choice of one of four tested methods of approximation does not significantly affect the results. Differences in the resulting temperature did not exceed a few degrees. However, it can affect the time needed to execute the numerical simulations. All presented numerical algorithms were implemented in our in-house software. The software is based on very efficient and scalable libraries that ensures applicability to real world engineering problems.
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Dyja, R., Gawronska, E., Grosser, A., Jeruszka, P., Sczygiol, N. (2017). Estimate the Impact of Different Heat Capacity Approximation Methods on the Numerical Results During Computer Simulation of Solidification. In: Ao, SI., Kim, H., Amouzegar, M. (eds) Transactions on Engineering Technologies. WCECS 2015. Springer, Singapore. https://doi.org/10.1007/978-981-10-2717-8_1
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DOI: https://doi.org/10.1007/978-981-10-2717-8_1
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