Developing software for mathematical modeling of temperature distribution in the process of electron beam welding

The purpose of the study is to develop a software system for modeling temperature distribution in the electron-beam welding process (EBW) in the Embarcadero RAD Studio application (student version), in the programming language C++. The base for this development is the thermal field theory using mathematical models to calculate the surface temperature distribution. Nowadays, it is possible to carry out simulation in the numerical simulation environments Comsol and ANSYS, as well as in the MATLAB package. These programs are powerful solutions, however they have a number of significant drawbacks such as: the need to create a product sketch in CAD systems and programming calculation models in the Comsol and ANSYS packages; direct work with the source code in the modeling process and lengthy calculations in the MATLAB package. Thus, the authors propose developing a software system based on mathematical models that will allow: (1) simulating the EBW welding process for products from different alloys considering their geometric dimensions and thermophysical parameters, which will make it possible to determine the optimal technological parameters and, therefore, eliminate root defects; (2) simplifying the process of ELW modeling comparing to such systems as MATLAB, ANSYS and Comsol. The paper describes a software system for modeling temperature distribution, an algorithm for modeling an experiment, and an algorithm for calculating temperature. In addition, there is a presented modeling process using data based on full-scale experiments (technological parameters, thermophysical parameters and geometric dimensions of the product). In addition, the developed software system allows storing both the results of the developed technological process and the simulation results. Introduction to production of the proposed approach to modeling the process of electron beam welding for thin-walled structures will reduce material and labor costs when developing the technological process of electron beam welding, as well as when introducing new types of products into production.