Derivation and application of time step model in solidification process simulation
The heat transfer during the casting solidification process includes the heat radiation of the high temperature casting and the mold, the heat convection between the casting and the mold, and the heat conduction inside the casting and from the casting to the mold. In this paper, a formula of time st...
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2007-08-01
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doaj-54b49d012c2e4377b0f02a475ac000422020-11-24T22:16:52ZengFoundry Journal AgencyChina Foundry1672-64212007-08-0143206209Derivation and application of time step model in solidification process simulation GONG Wen-bangCHEN Li-liangLIU Rui-xiangThe heat transfer during the casting solidification process includes the heat radiation of the high temperature casting and the mold, the heat convection between the casting and the mold, and the heat conduction inside the casting and from the casting to the mold. In this paper, a formula of time step in simulation of solidification is derived, considering the heat radiation, convection and conduction based on the conservation of energy. The different heat transfer conditions between the conventional sand casting and the permanent mold casting are taken into account in this formula. The characteristics of heat transfer in the interior and surface of the casting are also considered. The numerical experiments show that this formula can avoid computational dispersion, and improve the computational efficiency by about 20% in the simulation of solidification process.http://www.foundryworld.com/uploadfile/2008111841387281.pdfcasting solidificationsimulationtime stepformula derivation |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
GONG Wen-bang CHEN Li-liang LIU Rui-xiang |
spellingShingle |
GONG Wen-bang CHEN Li-liang LIU Rui-xiang Derivation and application of time step model in solidification process simulation China Foundry casting solidification simulation time step formula derivation |
author_facet |
GONG Wen-bang CHEN Li-liang LIU Rui-xiang |
author_sort |
GONG Wen-bang |
title |
Derivation and application of time step model in solidification process simulation |
title_short |
Derivation and application of time step model in solidification process simulation |
title_full |
Derivation and application of time step model in solidification process simulation |
title_fullStr |
Derivation and application of time step model in solidification process simulation |
title_full_unstemmed |
Derivation and application of time step model in solidification process simulation |
title_sort |
derivation and application of time step model in solidification process simulation |
publisher |
Foundry Journal Agency |
series |
China Foundry |
issn |
1672-6421 |
publishDate |
2007-08-01 |
description |
The heat transfer during the casting solidification process includes the heat radiation of the high temperature casting and the mold, the heat convection between the casting and the mold, and the heat conduction inside the casting and from the casting to the mold. In this paper, a formula of time step in simulation of solidification is derived, considering the heat radiation, convection and conduction based on the conservation of energy. The different heat transfer conditions between the conventional sand casting and the permanent mold casting are taken into account in this formula. The characteristics of heat transfer in the interior and surface of the casting are also considered. The numerical experiments show that this formula can avoid computational dispersion, and improve the computational efficiency by about 20% in the simulation of solidification process. |
topic |
casting solidification simulation time step formula derivation |
url |
http://www.foundryworld.com/uploadfile/2008111841387281.pdf |
work_keys_str_mv |
AT gongwenbang derivationandapplicationoftimestepmodelinsolidificationprocesssimulation AT chenliliang derivationandapplicationoftimestepmodelinsolidificationprocesssimulation AT liuruixiang derivationandapplicationoftimestepmodelinsolidificationprocesssimulation |
_version_ |
1725787955356762112 |