539.5, 621.74 Numerical modeling of the effect of high gas pressure inside the mold on the solidification and cooling of a steel casting
Evstigneev A. I. (Komsomolsk-na-Amure State University), Odinokov V. I. (Komsomolsk-na-Amure State University), Potianikhin D. A. (Komsomolsk-na-Amure State University), Koloshenko Y. B. (Komsomolsk-na-Amure State University)
SPHERICAL CASTING MOLD, DIE, STRESS-STRAIN STATE, NUMERICAL MODELING, STRESS, DISPLACEMENT, SPHERICAL STEEL CASTING, SOLIDIFICATION, COOLING
doi: 10.18698/2309-3684-2025-4-1948
A numerical scheme and algorithm for calculating the stress-strain state (SSS) of a casting during its solidification in a spherical metal casting mold installed in a spherical die subjected to thermal stress have been developed. The calculation is based on the equations of linear elasticity theory, thermal conductivity, and an approved numerical method. A composite spherical casting structure bounded by orthogonal families of surfaces is considered. An example is the problem of solidification and cooling of a spherical steel casting in a metal mold, which is mounted in a matrix. The calculation results are presented in the form of diagrams of normal stresses, displacements, and temperatures along the cross-section of the spherical structure. The analysis of the obtained calculation results is given
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Исследование выполнено за счет гранта Российского научного фонда №24-29-00214, https://rscf.ru/project/24-29-00214/
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