Computational Techniques of Rotor Dynamics with the Finite Element Method

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Release : 2012-03-13
Genre : Science
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Book Rating : 703/5 ( reviews)

Computational Techniques of Rotor Dynamics with the Finite Element Method - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Computational Techniques of Rotor Dynamics with the Finite Element Method write by Arne Vollan. This book was released on 2012-03-13. Computational Techniques of Rotor Dynamics with the Finite Element Method available in PDF, EPUB and Kindle. 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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Release : 2012-03-20
Genre : Science
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Book Rating : 72X/5 ( reviews)

Computational Techniques of Rotor Dynamics with the Finite Element Method - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Computational Techniques of Rotor Dynamics with the Finite Element Method write by Arne Vollan. This book was released on 2012-03-20. Computational Techniques of Rotor Dynamics with the Finite Element Method available in PDF, EPUB and Kindle. 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 m

Vibration Analysis of Rotors

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Release : 2012-12-06
Genre : Technology & Engineering
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Book Rating : 738/5 ( reviews)

Vibration Analysis of Rotors - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Vibration Analysis of Rotors write by Chong-Won Lee. This book was released on 2012-12-06. Vibration Analysis of Rotors available in PDF, EPUB and Kindle. This text is intended for use as an advanced course in either rotordynamics or vibration at the graduate level. This text has mostly grown out of the research work in my laboratory and the lectures given to graduate students in the Mechanical Engineering Department, KAIST. The text contains a variety of topics not normally found in rotordynamics or vibration textbooks. The text emphasizes the analytical aspects and is thus quite different from conventional rotordynamics texts; potential readers are expected to have a firm background in elementary rotordynamics and vibration. In most previously published rotordynamics texts, the behavior of simple rotors has been of a primary concern, while more realistic, multi-degree-f-freedom or continuous systems are seldom treated in a rigorous way, mostly due to the difficulty of a mathematical treatment of such complicated systems. When one wanted to gain a deep insight into dynamic phenomena of complicated rotor systems, one has, in the past, either had to rely on computational techniques, such as the transfer matrix and finite element methods, or cautiously to extend ideas learned from simple rotors whose analytical solutions are readily available. The former methods are limited in the interpretation of results, since the calculations relate only to the simulated case, not to more general system behavior. Ideas learned from simple rotors can, fortunately, often be extended to many practical rotor systems, but there is of course no guarantee of their validity.

Analytical Methods in Rotor Dynamics

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Release : 2013-02-19
Genre : Technology & Engineering
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Book Rating : 053/5 ( reviews)

Analytical Methods in Rotor Dynamics - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Analytical Methods in Rotor Dynamics write by Andrew D. Dimarogonas. This book was released on 2013-02-19. Analytical Methods in Rotor Dynamics available in PDF, EPUB and Kindle. The design and construction of rotating machinery operating at supercritical speeds was, in the 1920s, an event of revolutionary importance for the then new branch of dynamics known as rotor dynamics. In the 1960s, another revolution occurred: In less than a decade, imposed by operational and economic needs, an increase in the power of turbomachinery by one order of magnitude took place. Dynamic analysis of complex rotor forms became a necessity, while the importance of approximate methods for dynamic analysis was stressed. Finally, the emergence of fracture mechanics, as a new branch of applied mechanics, provided analytical tools to investigate crack influence on the dynamic behavior of rotors. The scope of this book is based on all these developments. No topics related to the well-known classical problems are included, rather the book deals exclusively with modern high-power turbomachinery.

Rotor Dynamics

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Release : 1996
Genre : Rotors
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Book Rating : 772/5 ( reviews)

Rotor Dynamics - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Rotor Dynamics write by J. S. Rao. This book was released on 1996. Rotor Dynamics available in PDF, EPUB and Kindle. The Third Revised And Enlarged Edition Of The Book Presents An In-Depth Study Of The Dynamic Behaviour Of Rotating And Reciprocating Machinery. It Evolved Out Of Lectures Delivered At Different Universities Over The Last Two Decades. The Book Deals With Torsional And Bending Vibrations Of Rotors, Stability Aspects, Balancing And Condition Monitoring. Closed Form Solutions Are Given Wherever Possible And Parametric Studies Presented To Give A Clear Understanding Of The Subject. Transfer Matrix Methods Is Extensively Used For General Class Of Rotors For Both Bending And Torsional Vibrations.Special Attentions Are Given To Transient Analysis Of The Rotors Which Is Becoming An Essential Part Of The Design Of High Speed Machinery. Systems With Fluid Film Bearings, Cracked Rotors And Two Spool Rotors Are Also Presented.A First Course On Theory Of Vibration Is A Prerequisite To This Study. Analysis Used Is Fairly Simple, But Sufficiently Advanced To The Requisite Level Of Predicting Practical Observations. As Far As Possible, Practical Examples Are Illustrated, So That The Book Is Also Useful To Practising Engineers.A Special Feature Of This Book Is Diagnostics Of Rotating Machinery Using Vibration Signature Analysis And Application Of Expert Systems To A Field Engineer In Trouble Shooting Work.