Abstract
The paper presents a mathematical model for optimizing shell mold (SM) material selection process to ensure the greatest crack resistance during liquid metal pouring. Minor elastoplastic deformation theory and heat conductivity equations as well as approved numerical methods are used to solve this problem. Objective function “min–max” has been developed based on control variables characterizing shell mold material properties. The paper considers axially symmetrical SM heating process during liquid metal pouring. SM resistance is evaluated based on occurring stress. An algorythm for solving this problem has been developed.
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