Numerical Modelling and Simulation of Electromagnetic Forming Process PDF Download
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Author: Muhammad Ali Siddiqui
Publisher:
ISBN:
Category :
Languages : en
Pages : 426
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Book Description
Electromagnetic sheet forming (EMF) is a high velocity forming process driven by the coupled electromagnetic and mechanical phenomena. The deformation of the workpiece takes place due to the body forces (Lorentz forces) that are created by a pulsed magnetic field produced by a flat spiral coil. Formability can be increased using this high velocity forming technique due to the inertial forces and high strain rates. In this Ph.D. research, we considered the electromagnetic and the mechanical aspect of the process as two independent problems. We aimed to provide a mathematical model for EMF process, and validate it with existing numerical tools and experiments. We have developed a numerical and analytical tool which can accurately calculate the basic parameters of the EMF process. The finite difference method has been employed to solve the electromagnetic Maxwell's equations. The pressure acting on the workpiece has been calculated neglecting the influence of the workpiece velocity on the magnetic field. Then it has been treated as a load in the mechanical problem. Numerical simulations of the mechanical problem have been performed with the commercial finite element code ABAQUS/Explicit. The magnetic pressure has been introduced in ABAQUS/Explicit as an analytical pressure distribution with the help of a user-defined sub-routine VDLOAD. FE simulations of the electromagnetic free bulging test have been performed. Furthermore, simulations of tube expansion and compression processes were also undertaken. The FE predictions are globally in agreement with the experimental results available in the literature.
Author: Muhammad Ali Siddiqui
Publisher:
ISBN:
Category :
Languages : en
Pages : 426
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Book Description
Electromagnetic sheet forming (EMF) is a high velocity forming process driven by the coupled electromagnetic and mechanical phenomena. The deformation of the workpiece takes place due to the body forces (Lorentz forces) that are created by a pulsed magnetic field produced by a flat spiral coil. Formability can be increased using this high velocity forming technique due to the inertial forces and high strain rates. In this Ph.D. research, we considered the electromagnetic and the mechanical aspect of the process as two independent problems. We aimed to provide a mathematical model for EMF process, and validate it with existing numerical tools and experiments. We have developed a numerical and analytical tool which can accurately calculate the basic parameters of the EMF process. The finite difference method has been employed to solve the electromagnetic Maxwell's equations. The pressure acting on the workpiece has been calculated neglecting the influence of the workpiece velocity on the magnetic field. Then it has been treated as a load in the mechanical problem. Numerical simulations of the mechanical problem have been performed with the commercial finite element code ABAQUS/Explicit. The magnetic pressure has been introduced in ABAQUS/Explicit as an analytical pressure distribution with the help of a user-defined sub-routine VDLOAD. FE simulations of the electromagnetic free bulging test have been performed. Furthermore, simulations of tube expansion and compression processes were also undertaken. The FE predictions are globally in agreement with the experimental results available in the literature.
Author: Ronak Khandelwal
Publisher: GRIN Verlag
ISBN: 3668042314
Category : Technology & Engineering
Languages : en
Pages : 50
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Book Description
Master's Thesis from the year 2014 in the subject Engineering - Mechanical Engineering, grade: -, , course: Electromagnetic Forming Process, language: English, abstract: Electromagnetic Forming Process (EMF) is advanced high velocity metal forming process which deals with the application of high energy magnetic surge for very short duration of time in order to attain desired deformation. In this work, simulation of EMF process for tube bulging is performed and experimental validation is carried out. For simulation, COMSOL Multiphysics software is used. Simulation is performed for two material, aluminium 6063-O and copper. The results of simulation are validated by experiments on aluminum tube.
Author: Marta C. Oliveira
Publisher: MDPI
ISBN: 3039285564
Category : Technology & Engineering
Languages : en
Pages : 254
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Book Description
The numerical simulation of sheet metal forming processes has become an indispensable tool for the design of components and their forming processes. This role was attained due to the huge impact in reducing time to market and the cost of developing new components in industries ranging from automotive to packing, as well as enabling an improved understanding of the deformation mechanisms and their interaction with process parameters. Despite being a consolidated tool, its potential for application continues to be discovered with the continuous need to simulate more complex processes, including the integration of the various processes involved in the production of a sheet metal component and the analysis of in-service behavior. The quest for more robust and sustainable processes has also changed its deterministic character into stochastic to be able to consider the scatter in mechanical properties induced by previous manufacturing processes. Faced with these challenges, this Special Issue presents scientific advances in the development of numerical tools that improve the prediction results for conventional forming process, enable the development of new forming processes, or contribute to the integration of several manufacturing processes, highlighting the growing multidisciplinary characteristic of this field.
Author: N. Ida
Publisher: Springer Science & Business Media
ISBN: 9780412468308
Category : Technology & Engineering
Languages : en
Pages : 538
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Book Description
This text on numerical methods applied to the analysis of electromagnetic nondestructive testing (NOT) phenomena is the first in a series devoted to all aspects of engineering nondestructive evaluation. The timing of this series is most appropriate as many university engineering/physics faculties around the world, recognizing the industrial significance of the subject, are organizing new courses and programs with engineering NOE as a theme. Additional texts in the series will cover electromagnetics for engineering NOE, microwave NOT methods, ultrasonic testing, radiographic methods and signal processing for NOE. It is the intended purpose of the series to provide senior-graduate level coverage of the material suitable for university curricula and to be generally useful to those in industry with engineering degrees who wish to upgrade their NOE skills beyond those needed for certification. This dual purpose for the series reflects the very applied nature of NOE and the need to develop suitable texts capable of bridging the gap between research laboratory studies of NOE phenomena and the real world of certification and industrial applications. The reader might be tempted to question these assertions in light of the rather mathematical nature of this first text. However, the subject of numerical modeling is of critical importance to a thorough understanding of the field-defect interactions at the heart of all electromagnetic NOT phenomena.
Author: Alfredo Bermúdez de Castro
Publisher: Springer
ISBN: 9783319029481
Category : Mathematics
Languages : en
Pages : 432
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Book Description
The book represents a basic support for a master course in electromagnetism oriented to numerical simulation. The main goal of the book is that the reader knows the boundary-value problems of partial differential equations that should be solved in order to perform computer simulation of electromagnetic processes. Moreover it includes a part devoted to electric circuit theory based on ordinary differential equations. The book is mainly oriented to electric engineering applications, going from the general to the specific, namely, from the full Maxwell’s equations to the particular cases of electrostatics, direct current, magnetostatics and eddy currents models. Apart from standard exercises related to analytical calculus, the book includes some others oriented to real-life applications solved with MaxFEM free simulation software.
Author:
Publisher: Newnes
ISBN: 0080965334
Category : Technology & Engineering
Languages : en
Pages : 5485
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Book Description
Comprehensive Materials Processing, Thirteen Volume Set provides students and professionals with a one-stop resource consolidating and enhancing the literature of the materials processing and manufacturing universe. It provides authoritative analysis of all processes, technologies, and techniques for converting industrial materials from a raw state into finished parts or products. Assisting scientists and engineers in the selection, design, and use of materials, whether in the lab or in industry, it matches the adaptive complexity of emergent materials and processing technologies. Extensive traditional article-level academic discussion of core theories and applications is supplemented by applied case studies and advanced multimedia features. Coverage encompasses the general categories of solidification, powder, deposition, and deformation processing, and includes discussion on plant and tool design, analysis and characterization of processing techniques, high-temperatures studies, and the influence of process scale on component characteristics and behavior. Authored and reviewed by world-class academic and industrial specialists in each subject field Practical tools such as integrated case studies, user-defined process schemata, and multimedia modeling and functionality Maximizes research efficiency by collating the most important and established information in one place with integrated applets linking to relevant outside sources
Author: Levent Sevgi
Publisher: Wiley-IEEE Press
ISBN: 9781118716397
Category : Science
Languages : en
Pages : 696
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Book Description
Author: Amaresh Chakrabarti
Publisher: Springer Nature
ISBN: 981155689X
Category : Technology & Engineering
Languages : en
Pages : 334
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Book Description
This book presents selected papers from the 1st International Conference on Industry 4.0 and Advanced Manufacturing held at the Indian Institute of Science, Bangalore and includes deliberations from stakeholders in manufacturing and Industry 4.0 on the nature, needs, challenges, opportunities, problems, and solutions in these transformational areas. Special emphasis is placed on exploring avenues for creating a vision of, and enablers for, sustainable, affordable, and human-centric Industry 4.0. The book showcases cutting edge practice, research, and educational innovation in this crucial and rapidly evolving area. This book will be useful to researchers in academia and industry, and will also be useful to policymakers involved in creating ecosystems for implementation of Industry 4.0.
Author: A.H-D. Cheng
Publisher: WIT Press
ISBN: 1784660272
Category : Mathematics
Languages : en
Pages : 361
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Book Description
Containing the latest in a long line of conferences covering the most recent advances in Boundary Elements and Mesh Reduction Methods (BEM/MRM), this book contains an important chapter in the history of this important method used in science and engineering. The BEM/MRM conference has long been recognised as THE international forum on the technique. The proceedings of the conference therefore constitute a record of the development of the method, running from the initial successful development of boundary integral techniques into the BEM, a method that eliminates the need for an internal mesh, to the recent and most sophisticated Mesh Reduction and even Meshless Methods. Since the boundary elements, mesh reduction, and meshless methods are used in many engineering and scientific fields, the book will be of great interest to all engineers and scientists working within the areas of numerical analysis, boundary elements and meshless methods. Topics covered include: Advanced formulations; Advanced meshless and mesh reduction methods; Structural mechanics applications; Solid mechanics; Heat and mass transfer, Electrical engineering and electromagnetics; Computational methods; Fluid flow modelling; Damage mechanics and fracture; Dynamics and Vibrations Engineering applications.
Author: Ryuichi Kageyama
Publisher:
ISBN:
Category :
Languages : en
Pages : 378
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Book Description
