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VOLUME SEGMENTATION BY POST-PROCESSING DATA FROM SIMULATION OF SOLIDIFICATION IN THE METAL CASTING PROCESS

International Journal of Modeling, Simulation, and Scientific Computing 2013年第S01期4卷 128-141页

作者： ELIZABETH JACOB M.MANOJ roschen sasikumar Computational Modeling and Simulation Unit National Institute for Interdisciplinary Science and Technology Council of Scientific and Industrial Research Trivandrum–695019 India

In the process of interpreting simulation results,new post-processing techniques are *** work presents a post-processing method that analyzes the solidification pattern formed by simulation of the solidification process of molten metal in a mold to produce shaped *** generally involve numerical solutions of differential equations which are discretized by dividing the three-dimensional computational domain into small finite volume elements using a 3D *** locations of the grid points and values of the solidification time at these locations are used to divide the spatial data into 3D sections such that starting from a hotspot location within the section that has high solidification time,there is a gradient outwards with lower values of solidification *** section is assumed to be fed by one or more feeders that must freeze only after the section has solidified *** volume of a feeder can be determined from the volume of the section it is supposed to *** volume and surface area of sections are determined approximately to calculate feeder size and *** post-processing algorithm is a simulation-based quantitative approach to feeder design which in conventional foundry practice has been more of an art than *** is also general enough for use in other 3D segmentation applications.

关键词： Metal casting simulation solidification pattern volume segmentation feeder design.

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