Рақамли технологияларнинг назарий ва амалий масалалари 3-том 1-сан (2023) · 34-44-беттер
Numerical Solution of Coupled Dynamic Problems of Thermoplastic Processes using Non-Uniform Grids
Джумаёзов, У.З., Эшманова, Н.Ф., Ибадуллаева, З.К.
Аннотация
This article considers a new approach for the numerical solution of two-dimensional dynamic problems of thermo-elastic plasticity. Ilyushin's deformation theory is used as a model. Discrete equations are based on non-uniform grid equations. The essence of using non-uniform grids is that it is possible to thicken the grid if there are features in the area under consideration. As an example, a two-dimensional dynamic coupled thermoplastic problem for an isotropic material is numerically solved. The influence of the temperature field on the thermally stressed state of a solid is estimated. Based on numerical results, the dynamics of deformation and the appearance of plasticity zones in the two-dimensional region under consideration are shown.
thermoplasticitydisplacementtemperaturevoltagedifference equationexplicit schemeconvergenceтермопластичностьперемещениетемпература
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