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Due to friction, chip forming, and the induced heat in the cutting area, produced parts by using machining operations have residual stress. Residual stresses caused by machining processes have a major effect on the fatigue life of machined components, which can shorten their service life. In order to increase the performance of machined parts in real-world applications, such as fatigue life, corrosion...
Virtual manufacturing systems are developed by simulating real manufacturing processes in digital environments in order to increase accuracy as well as efficiency of part production. Accuracy of the produced parts can be increased by errors can also be analyzed and decreased by using virtual machining systems. Moreover, optimization methods can be applied to the simulated manufacturing processes in...
The Friction stir welding (FSW) is recently presented so to join different materials without the melting process as a solid-state joining technique. A widely application for the FSW process is recently developed in automotive industries. To create the welded components by using the FSW, the plunged probe and shoulder as welding tools are used. The Finite Element Method (FEM) can be used so to simulate...
In order to electronically exchange information between network users in the web of data, different software such as outlook is presented. So, the traffic of users on a site or even the floors of a building can be decreased as a result of applying a secure and reliable data sharing software. It is essential to provide a fast, secure and reliable network system in the data sharing webs to create an...
To analyze and modify manufacturing process in virtual environments, mathematical modelling can be used. Effects and behavior of the system are simulated by mathematical concepts in order to be analyzed and modified. So, different parameters of the process can be analyzed in order to be optimized. Thus, efficiency of part production can be increased by applying optimization methods to the simulated...
In order to draw in and compass gas (most usually air) into the gas turbines, compressor section is designed. Then, the compressed air will be combined with fuel to generate heat and extract power. Blades of the compressor section of the gas turbine can be produced by machining operations. Machining operations of turbine blades by using 4 and 5 Axis CNC machine tools are always with complexities and...
The exact solution of Burgers-Fisher equation is obtained by using the Variational Iteration Method (VIM) and the Homotopy Perturbation Method (HPM). To present accuracy as well as reliability of the methods in finding the exact solution of the equation, a comparison is also made between obtained results. The study proves that the methods are effective and powerful algorithms with acceptable accuracy...
Obtaining exact and approximate solutions of the nonlinear differential equations is an important and active area of research in the field of mathematical sciences. Semi-analytical methods such as the Homotopy Perturbation Method (HPM) and the Variational Iteration Method (VIM) are effective and powerful algorithms in order to obtain exact solutions of the equations.
To increase accuracy as well as efficiency in part manufacturing, virtual manufacturing systems are presented by simulating production processes in digital environments. Thus, the modified operations of machine tools can increase added value in part manufacturing processes.
In order to increase accuracy of 3-axis CNC machine tools, dimensional and geometrical errors can be simulated and analyzed in virtual environments. As a result, efficiency of part production can be increased in order to achieve more added values in process of part manufacturing.
In this study, the Variational Iteration Method (VIM) is applied to the Fitzhugh–Nagumo non-linear differential equations. Two case study problems of Fitzhugh–Nagumo are solved by using the VIM and the exact solutions are obtained. The results present capabilities and great potential of the VIM in solving the Fitzhugh–Nagumo equation as a non-linear differential equation.
To solve the weakly-singular Volterra integro-differential equations, the combined method of the Laplace Transform Method and the Adomian Decomposition Method is used. As a result, series solutions of the equations are constructed. In order to explore the rapid decay of the equations, the pade approximation is used. The results present validity and great potential of the method as a powerful algorithm...
The Variational Iteration Method (VIM) is used to solve the Newell-Whitehead-Segel non-linear differential equations. Three case study problems of Newell-Whitehead-Segel are solved by using the VIM and the exact solutions are obtained. The capability and great potential of the VIM in solving the non-linear differential equations is also proved by applying the method to the Newell-Whitehead-Segel equation.
To increase accuracy as well as productivity in part production, manufacturing processes are simulated in digital environment by virtual machining systems.
In this paper, the Variational Iteration Method (VIM) and the Homotopy Perturbation Method (HPM) are applied to solve the Burgers - Huxley non-linear differential equations. A comparison is made between obtained results in finding the exact solution of the equation in order to present precision of the methods. The study reveals that the methods are effective and convenient techniques to solve the...
To solve the Korteweg-de Vries-Burgers Equation equations the Variational Iteration Method (VIM) is used. Two case study problems of Korteweg-de Vries-Burgers equation are solved by using the VIM and the exact solutions are obtained. As a result, the capability and great potential of the VIM in solving the non-linear differential equations is proved by applying the method to the Korteweg-de Vries-Burgers...
Accuracy of produced parts in machining process is influenced by many errors such as tool deflection as well as geometrical deviations of machine tool structure. To increase accuracy and productivity in part manufacturing, the errors are modelled by using mathematical concepts. This paper presents an application for the virtual machining systems to analyse accuracy in modelling of tool deflection...
Virtual manufacturing systems carry out the simulation of manufacturing processes in digital environment in order to increase accuracy as well as productivity in part production. There are different error sources in machine tools, such as tool deflection, geometrical deviations of moving axis, and thermal distortions of machine tool structures. The errors due to tool deflection are caused by cutting...
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