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Numerical Simulation of Stress Field in Casting Solidification Process Based on Abaqus

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During casting solidification process, it is easy to cause thermal stress for many reasons, which can greatly influence the dimensional accuracy and the quality of casting. With the help of numerical simulation, the stress field can be predicted dynamically. The casting process can be optimized by analyzing the simulation results. An approach to simulate the thermal stress field based on Abaqus during casting solidification process is proposed. Firstly the temperature field was simulated. Then the simulation results of the temperature field were added to the stress analysis model as the thermal load to simulate stress field. The model was based on the thermal elastic-plastic model and ignores the interaction of the mold and the effect of phase change. An experiment was carried out in the laboratory to assess the simulation results. The comparisons show that the simulation results are in good agreement with the experimental results.
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Keywords: ABAQUS; NUMERICAL SIMULATION; SOLIDIFICATION; STRESS FIELD

Document Type: Research Article

Publication date: September 1, 2012

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  • Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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