Abstract
This study aimed to investigate numerically the validation of the use of the free license program Code_ Aster, with numerical results of the SolidWorks program. For this, four metal elements were modeled, all of them subjected to the tensile stress, they are: a cylindrical bar, two plates with a hole and a metal console. The objective is to validate the use of a free program for analysis of structural elements in engineering office projects and institutional research to verify if the results obtained from the free program show significant differences in the numerical application of a commercial program. All programs have in their design of analysis the use of the finite element method (FEM). The finite element method (FEM) consists to divide a continuous object into a finite number of parts. This allows a complex problem to be transformed into a set of simple problems (finite element) in addition to solving a set of finite elements by approximations with good precision of the results and to model the problem in a real physical way. It was observed that the numerical results between the SolidWorks program and the free program Code_ Aster were close with differences of less than 5%, which indicates the reliability of the use of Code_ Aster for numerical analyzes of structural elements of engineering projects and also in institutional research.
Highlights
For many years man has used empirical knowledge and intuitive skills for elaborate engineering design
The technology has brought with it the ability to develop advanced engineering designs, as well as the ability to apply more effective and accurate execution techniques through numerical simulations
The modeled elements were named by EL-1, EL-2, EL-3, EL-4 and corresponds respectively to: cylindrical bar, metal plate with central hole, metal plate with edge hole and a metallic console (Table 1)
Summary
For many years man has used empirical knowledge and intuitive skills for elaborate engineering design. Only with the evolution of informatics it was possible for man to develop analytical and numerical solutions closer to the constructive reality. The technology has brought with it the ability to develop advanced engineering designs, as well as the ability to apply more effective and accurate execution techniques through numerical simulations. In this sense, the engineer must take a critical look at the computationally generated responses, that is, he must have a calculation sensitivity to the proposed problem
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