Computational Techniques Of Rotor Dynamics With The Finite Element Method
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Computational Techniques Of Rotor Dynamics With The Finite Element Method
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Author : Arne Vollan
language : en
Publisher: CRC Press
Release Date : 2012-03-13
Computational Techniques Of Rotor Dynamics With The Finite Element Method written by Arne Vollan and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-03-13 with Science categories.
For more than a century, we have had a firm grasp on rotor dynamics involving rigid bodies with regular shapes, such as cylinders and shafts. However, to achieve an equally solid understanding of the rotational behavior of flexible bodies—especially those with irregular shapes, such as propeller and turbine blades—we require more modern tools and methods. Computational Techniques of Rotor Dynamics with the Finite Element Method explores the application of practical finite element method (FEM)-based computational techniques and state-of-the-art engineering software. These are used to simulate behavior of rotational structures that enable the function of various types of machinery—from generators and wind turbines to airplane engines and propellers. The book’s first section focuses on the theoretical foundation of rotor dynamics, and the second concentrates on the engineering analysis of rotating structures. The authors explain techniques used in the modeling and computation of the forces involved in the rotational phenomenon. They then demonstrate how to interpret and apply the results to improve fidelity and performance. Coverage includes: Use of FEM to achieve the most accurate computational simulation of all gyroscopic forces occurring in rotational structures Details of highly efficient and accurate computational and numerical techniques for dynamic simulations Interpretation of computational results, which is instrumental to developing stable rotating machinery Practical application examples of rotational structures’ dynamic response to external and internal excitations An FEM case study that illustrates the computational complexities associated with modeling and computation of forces of rotor dynamics Assessment of propellers and turbines that are critical to the transportation and energy industries Useful to practicing engineers and graduate-level students alike, this self-contained volume also serves as an invaluable reference for researchers and instructors in this field. CRC Press Authors Speak Louis Komzsik introduces you to two books that share a common mathematical foundation, the finite element analysis technique. Watch the video.
Computational Techniques Of Rotor Dynamics With The Finite Element Method
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Author : Arne Vollan
language : en
Publisher: CRC Press
Release Date : 2025-03-31
Computational Techniques Of Rotor Dynamics With The Finite Element Method written by Arne Vollan and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-03-31 with Science categories.
Rotor dynamics is both a classical and a modern branch of engineering science. The rotation of rigid bodies, mainly those with regular shapes such as cylinders and shafts, has been well understood for more than a century. However, analyzing the rotational behavior of flexible bodies, especially those with irregular shapes like propellers and blades, requires more modern tools such as finite elements, hence the title and focus of this book. In the dozen years since the original publication, this book was used in teaching engineering students at universities and in consulting in the industry. During those activities, several topics were deemed to require further explanations. Students requested a deeper finite element technology foundation in certain places to make the book self‐contained in that regard also. Some desired more details about the computational and numerical solutions. These requests are answered in new sections of this edition. Practicing engineers asked for a detailed industrial application case study and such was added in a new chapter dealing with wind turbines. This book is composed of two parts, the first focusing on the theoretical foundation of rotor dynamics and the second focusing on the engineering analysis of industrial structures. The theoretical foundation is built on physics, calculus, and finite element technology chapters. Computational and numerical techniques provide free vibration and response analyses solutions. The industrial engineering analysis part contains chapters analyzing jet‐engine turbine wheels, aircraft propellers, and wind turbine blades. This book concludes with a new industrial case study based on a recent modern wind turbine development project.
Computational Techniques Of Rotor Dynamics With The Finite Element
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Author : Arne Vollan
language : en
Publisher: CRC Press
Release Date : 2025
Computational Techniques Of Rotor Dynamics With The Finite Element written by Arne Vollan and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025 with Technology & Engineering categories.
"Rotor dynamics is both a classical and a modern branch of engineering science. The rotation of rigid bodies, mainly those with regular shapes such as cylinders and shafts, has been well understood for more than a century. However, analyzing the rotational behavior of flexible bodies, especially those with irregular shapes like propellers and blades, requires more modern tools such as finite elements, hence the title and focus of the book. In the dozen years since the original publication, the book was used in teaching engineering students at universities and in consulting in the industry. During those activities several topics were deemed to require further explanations. Students requested a deeper finite element technology foundation in certain places to make the book self-contained in that regard also. Some desired more details about the computational and numerical solutions. These requests are answered in new sections of this edition. Practicing engineers asked for a detailed industrial application case study and such was added in a new chapter dealing with wind turbines. The book is composed of two parts, the first focusing on the theoretical foundation of rotor dynamics and the second on the engineering analysis of industrial structures. The theoretical foundation is built on physics, calculus and finite element technology chapters. Computational and numerical techniques provide free vibration and response analyses solutions. The industrial engineering analysis part contains chapters analyzing jet-engine turbine wheels, aircraft propellers and wind turbine blades. The book concludes with a new industrial case study based on a recent modern wind turbine development project"--
Rotor Systems
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Author : Rajiv Tiwari
language : en
Publisher: CRC Press
Release Date : 2017-11-22
Rotor Systems written by Rajiv Tiwari and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-22 with Science categories.
The purpose of this book is to give a basic understanding of rotor dynamics phenomena with the help of simple rotor models and subsequently, the modern analysis methods for real life rotor systems. This background will be helpful in the identification of rotor-bearing system parameters and its use in futuristic model-based condition monitoring and, fault diagnostics and prognostics. The book starts with introductory material for finite element methods and moves to linear and non-linear vibrations, continuous systems, vibration measurement techniques, signal processing and error analysis, general identification techniques in engineering systems, and MATLAB analysis of simple rotors. Key Features: • Covers both transfer matrix methods (TMM) and finite element methods (FEM) • Discusses transverse and torsional vibrations • Includes worked examples with simplicity of mathematical background and a modern numerical method approach • Explores the concepts of instability analysis and dynamic balancing • Provides a basic understanding of rotor dynamics phenomena with the help of simple rotor models including modern analysis methods for real life rotor systems.
Finite Element Model Updating Using Computational Intelligence Techniques
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Author : Tshilidzi Marwala
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-06-04
Finite Element Model Updating Using Computational Intelligence Techniques written by Tshilidzi Marwala and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-06-04 with Technology & Engineering categories.
FEM updating allows FEMs to be tuned better to reflect measured data. It can be conducted using two different statistical frameworks: the maximum likelihood approach and Bayesian approaches. This book applies both strategies to the field of structural mechanics, using vibration data. Computational intelligence techniques including: multi-layer perceptron neural networks; particle swarm and GA-based optimization methods; simulated annealing; response surface methods; and expectation maximization algorithms, are proposed to facilitate the updating process. Based on these methods, the most appropriate updated FEM is selected, a problem that traditional FEM updating has not addressed. This is found to incorporate engineering judgment into finite elements through the formulations of prior distributions. Case studies, demonstrating the principles test the viability of the approaches, and. by critically analysing the state of the art in FEM updating, this book identifies new research directions.
Proceedings Of The 7th China Aeronautical Science And Technology Conference
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Author : Chinese Soc. of Aeronautics&Astronautics
language : en
Publisher: Springer Nature
Release Date : 2025-03-28
Proceedings Of The 7th China Aeronautical Science And Technology Conference written by Chinese Soc. of Aeronautics&Astronautics and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-03-28 with Technology & Engineering categories.
This book contains the selected papers from the 7th China Aeronautical Science and Technology Conference. Topics include, but are not limited to: key technologies for aircraft (including fixed-wing, rotorcraft, new concept aircraft, etc.) design and overall optimization; aerodynamics; flight mechanics; structural design; advanced aviation materials (including composite materials); advanced aviation manufacturing; and design and overall optimisation; aerodynamics and flight mechanics; structural design; advanced aeronautical materials (including composite materials); advanced aeronautical manufacturing technology; advanced aeronautical propulsion technology; navigation, guidance and control technology; airborne systems, electromechanical technology; environmental control, life-saving technology; key technologies for multi-electric aircraft and all-electric aircraft; aviation testing technology; critical technologies in the vicinity of space vehicles; unmanned aerial vehicles and related technologies; general aviation flight safety, civil aviation transportation and air quality; aviation science and technology and industrial development policy and planning; other related technologies. Make this book a valuable resource for researchers, engineers and students.
Dynamics Of Rotating Systems
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Author : Giancarlo Genta
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-01-04
Dynamics Of Rotating Systems written by Giancarlo Genta and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-01-04 with Technology & Engineering categories.
Provides an up-to-date review of rotor dynamics, dealing with basic topics as well as a number of specialized topics usually available only in journal articles Unlike other books on rotordynamics, this treats the entire machine as a system, with the rotor as just one component
Computational Methods
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Author : G.R. Liu
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-05-26
Computational Methods written by G.R. Liu and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-05-26 with Technology & Engineering categories.
The First International Conference on Computational Methods (ICCM04), organized by the department of Mechanical Engineering, National University of Singapore, was held in Singapore, December 15-17, 2004, with great success. This conference proceedings contains some 290 papers from more than 30 countries/regions. The papers cover a broad range of topics such as meshfree particle methods, Generalized FE and Extended FE methods, inverse analysis and optimization methods. Computational methods for geomechanics, machine learning, vibration, shock, impact, health monitoring, material modeling, fracture and damage mechanics, multi-physics and multi-scales simulation, sports and environments are also included. All the papers are pre-reviewed before they are accepted for publication in this proceedings. The proceedings will provide an informative, timely and invaluable resource for engineers and scientists working in the important areas of computational methods.
Rotordynamics
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Author : Agnieszka Muszynska
language : en
Publisher: CRC Press
Release Date : 2005-05-20
Rotordynamics written by Agnieszka Muszynska and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-05-20 with Science categories.
As the most important parts of rotating machinery, rotors are also the most prone to mechanical vibrations, which may lead to machine failure. Correction is only possible when proper and accurate diagnosis is obtained through understanding of rotor operation and all of the potential malfunctions that may occur. Mathematical modeling, in particular
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.