Abstract
The basic logic in the finite element method is to simplify and solve a complex problem. In this method, the solution region is divided into a plurality of simple, small, connected, sub-regions called finite elements. In other words, the problem which is divided into parts connected by a plurality of joint points can be easily solved. St 37 and St 70 steels are materials used in the manufacturing of general building materials, produced by processing the hot-formed steel further through a cold drawing process. Ansys; is a computer aided engineering program where analysis and simulations can be performed in computer aided engineering studies. It enables effective studies in different disciplines such as mechanics, structural analysis, computational fluid dynamics and heat transfer. The finite element method, which enables the solution of complex engineering problems with controllable parts by simplifying, is a common and useful solution method used in many engineering applications. St and St 70 steels are modeled as three-dimensional I-beams 3 mm in thickness in Ansys program package in accordance with the finite element method. Finite element method helps simplifying complex engineering problems and solving them with controllable parts. Elastic stress analyses were performed in X, Y, Z axes by stabilizing the right and left supports of steel beams and applying a pressure of 100 MPa on the top flanges. It was observed in Ansys simulation analyses that elastic stress effect was higher in St 37 steel compared to St 70 steel.
Highlights
The finite element method, which enables the solution of complex engineering problems with controllable parts by simplifying, is a common and useful solution method used in many engineering applications [3]
In distances from the top node to the bottom node of St 37 I-beam in elastic stress graphs, while a linear increase in stress was observed in x axis, a decrease was observed in y and z axes
It is thought that the increases and decreases in Y axis result from the tensile strength, yield strength and elasticity properties of the material type
Summary
Its mechanical properties are above 235 MPa yield strength and 360-510 MPa tensile strength. It is used for riveting, screwing and welding. St 37 steel material is used in many applications by combining good welding properties with high strength structures. There are various grade types and uses including civil, industrial, automotive, machine and aerospace engineering. High strength low alloys have replaced structural steel (for example automotive) where weight reduction is important, but have high strength structures [1]. Mechanical properties of St 70 steel have 365 MPa yield strength and 690-900 MPa tensile strength [2]. The finite element method has a significant effect on the modeling of various mechanical applications related to aerospace and civil engineering. Nguyen and Kim [12] used the ABAQUS software to develop a 3D FE model steel-concrete
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