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Vibration Fatigue by Spectral Methods

Vibration Fatigue by Spectral Methods
From Structural Dynamics to Fatigue Damage – Theory and Experiments

by Janko Slavič,Miha Boltezar,Matjaz Mrsnik,Martin Cesnik,Jaka Javh

  • Publisher : Elsevier
  • Release : 2020-08-20
  • Pages : 230
  • ISBN : 0128223669
  • Language : En, Es, Fr & De
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Vibration Fatigue by Spectral Methods relates the structural dynamics theory to the high-cycle vibration fatigue. The book begins with structural dynamics theory and relates the uniaxial and multiaxial vibration fatigue to the underlying structural dynamics and signal processing theory. Organized in two parts, part I gives the theoretical background and part II the selected experimental research. The time- and frequency- domain aspects of signal processing in general, related to structural dynamics and counting methods are covered in detail. It also covers all the underlying theory in structural dynamics, signal processing, uniaxial & multiaxial fatigue; including non-Gaussianity and non-stationarity. Finally, it provides the latest research on multiaxial vibration fatigue and the non-stationarity and non-Gaussianity effects. This book is for engineers, graduate students, researchers and industry professionals working in the field of structural durability under random loading and vibrations and also those dealing with fatigue of materials and constructions. Introduces generalized structural dynamics theory of multiaxial vibration fatigue Maximizes understanding of structural dynamics theory in relation to frequency domain fatigue Illustrates connections between experimental work and theory with case studies, cross-referencing, and parallels to accelerated vibration testing

Spectral Method in Multiaxial Random Fatigue

Spectral Method in Multiaxial Random Fatigue
A Book

by Adam Nieslony,Ewald Macha

  • Publisher : Springer Science & Business Media
  • Release : 2007-09-04
  • Pages : 148
  • ISBN : 3540738231
  • Language : En, Es, Fr & De
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This monograph examines the theoretical foundations of the spectral method for fatigue life determination. The authors discuss a rule of description of random loading states with the matrix of power spectral density functions of the stress/strain tensor components. Some chosen criteria of multiaxial fatigue failure are analyzed. The formula proposed in this book enables readers to determine power spectral density of the equivalent history directly from the components of the power spectral density matrix of the multidimensional stochastic process.

VIBRATION FATIGUE ANALYSIS OF EQUIPMENTS USED IN AEROSPACE.

VIBRATION FATIGUE ANALYSIS OF EQUIPMENTS USED IN AEROSPACE.
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2005
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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ABSTRACT VIBRATION FATIGUE ANALYSIS OF EQUIPMENTS USED IN AEROSPACE AYKAN, Murat M. Sc., Department of Mechanical Engineering Supervisor: Assoc. Prof. Dr. F. Suat KADIOÐLU Co-Supervisor: Assoc. Prof. Dr. Mehmet ÇELÝK June 2005, 123 Pages Metal Fatigue of dynamically loaded structures is a very common phenomenon in engineering practice. As the loading is dynamic one cannot neglect the dynamics of the structure. When the loading frequency has a wide bandwidth then there is high probability that the resonance frequencies of the structure will be excited. When this happens then one cannot assume that the structures response to the loading will remain linear in the frequency domain. Thus to overcome such situations frequency domain fatigue analysis methods exist which include the dynamics of the structure. In this thesis, a Helicopters Self-Defensive System2s Chaff/Flare Dispenser Bracket is analyzed by Vibration Fatigue Method as a part of an ASELSAN project. To obtain the loading (boundary conditions), operational flight tests with accelerometers were performed. The obtained acceleration versus time signals are analyzed and converted to Power Spectral Densities (PSD), which are functions of frequency. In order to obtain the stresses for fatigue analysis, a finite element model of the bracket has been created. The dynamics of the finite element model was verified by performing experimental modal tests on a prototype. From the verified model, stress transfer functions have been obtained and combined with the loading PSD2s to get the response stress PSD2s. The fatigue analysis results are verified by accelerated life tests on the prototype. Also in this study, the effect of single axis shaker testing for fatigue on the specimen is obtained.

Stochastic Analysis of Structural and Mechanical Vibrations

Stochastic Analysis of Structural and Mechanical Vibrations
A Book

by Loren D. Lutes,Shahram Sarkani

  • Publisher : Unknown Publisher
  • Release : 1997
  • Pages : 509
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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With the aim of stating the fundamental principles and relationships of structural and mechanical vibrations, this guide focuses on the determination of response levels for dynamical systems excited by forces that can be modeled as stochastic processes. It concentrates material in the beginning of the text, with introductions to the fundamentals of stochastic modeling and vibration problems to acquaint students with applications. There are discussions on progressive topics which are the subject of ongoing research, including state-space analysis, nonlinear dynamics, and fatigue damage; the time history implications of bandwidth, with situations varying from narrowband to white noise; time domain integration techniques which provide viable alternatives to the calculus of residues; and an emphasis on time domain interpretations throughout. It includes a number of worked examples to illustrate the modelling of physical problems as well as the proper application of theoretical solutions.

An Experimental Approach to Fatigue Under Random Vibrations

An Experimental Approach to Fatigue Under Random Vibrations
A Book

by Vinod Kumar Nagpal

  • Publisher : Unknown Publisher
  • Release : 1980
  • Pages : 578
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Current Themes in Engineering Science 2008

Current Themes in Engineering Science 2008
Selected Presentations at the World Congress on Engineering - 2008

by A.M. Korsunsky

  • Publisher : American Institute of Physics
  • Release : 2009-06-11
  • Pages : 141
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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London, United Kingdom, 2-4 July 2008

50 Years of Shock and Vibration Technology

50 Years of Shock and Vibration Technology
A Book

by Henry C. Pusey

  • Publisher : Unknown Publisher
  • Release : 1996
  • Pages : 588
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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INIS Atomindex

INIS Atomindex
INIS Atomindeks

by Anonim

  • Publisher : Unknown Publisher
  • Release : 1984
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conferences--2005

Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conferences--2005
Presented at 2005 ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference : September 24-28, 2005, Long Beach, California, USA

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2005
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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The Aeronautical Journal

The Aeronautical Journal
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 1971
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Colloquium on Mechanical Impedance Methods for Mechanical Vibrations

Colloquium on Mechanical Impedance Methods for Mechanical Vibrations
Presented at the ASME Annual Meeting, New York, N. Y., December 2, 1958

by American Society of Mechanical Engineers. Applied Mechanics Division. Shock and Vibration Committee

  • Publisher : Unknown Publisher
  • Release : 1958
  • Pages : 145
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Mechanical Vibration and Shock Analysis, Random Vibration

Mechanical Vibration and Shock Analysis, Random Vibration
A Book

by Christian Lalanne

  • Publisher : John Wiley & Sons
  • Release : 2014-05-12
  • Pages : 656
  • ISBN : 1848216467
  • Language : En, Es, Fr & De
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The vast majority of vibrations encountered in the real environment are random in nature. Such vibrations are intrinsically complicated and this volume describes the process that enables us to simplify the required analysis, along with the analysis of the signal in the frequency domain. The power spectrum density is also defined, together with the requisite precautions to be taken in its calculations as well as the processes (windowing, overlapping) necessary to obtain improved results. An additional complementary method – the analysis of statistical properties of the time signal – is also described. This enables the distribution law of the maxima of a random Gaussian signal to be determined and simplifies the calculation of fatigue damage by avoiding direct peak counting.

Load Response on Caliper Guide Pin Subject to Random Vibration

Load Response on Caliper Guide Pin Subject to Random Vibration
A Book

by Jawad M. Mroueh

  • Publisher : Unknown Publisher
  • Release : 2008
  • Pages : 242
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Preventing Thermal Cycling and Vibration Failures in Electronic Equipment

Preventing Thermal Cycling and Vibration Failures in Electronic Equipment
A Book

by Dave S. Steinberg

  • Publisher : Wiley-Interscience
  • Release : 2001-07-11
  • Pages : 282
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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This book deals with the packaging of electronic equipment to prevent damage from vibration and exposure to large variations in temperature.

Proceedings

Proceedings
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 1977
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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International Aerospace Abstracts

International Aerospace Abstracts
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 1999
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Transactions of the Royal Institution of Naval Architects

Transactions of the Royal Institution of Naval Architects
A Book

by Royal Institution of Naval Architects

  • Publisher : Unknown Publisher
  • Release : 1971
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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List of members in each volume.

Vibration in Civil Engineering

Vibration in Civil Engineering
A Book

by B. O. Skipp

  • Publisher : Unknown Publisher
  • Release : 1966
  • Pages : 302
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Computational Techniques for Materials, Composites and Composite Structures

Computational Techniques for Materials, Composites and Composite Structures
A Book

by B. H. V. Topping

  • Publisher : Unknown Publisher
  • Release : 2000
  • Pages : 413
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Contains a selection of papers that were presented at The Fifth International Conference on Computational Structures Technology and The Second International Conference on Engineering Computational Technology, which were held in Leuven, Belgium from 6-8 September 2000.

Flow-induced Vibration

Flow-induced Vibration
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 1986
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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