Vibration Testing By Non Gaussian Random Excitations With Specified Kurtosis Part I

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Vibration Testing by Non-Gaussian Random Excitations with Specified Kurtosis. Part I

Author : Alexander Steinwolf
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis Vibration Testing by Non-Gaussian Random Excitations with Specified Kurtosis. Part I by : Alexander Steinwolf

Download or read book Vibration Testing by Non-Gaussian Random Excitations with Specified Kurtosis. Part I written by Alexander Steinwolf and published by . This book was released on 2014 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non-Gaussian random vibration testing with kurtosis control is considered in the paper as a way of increasing or decreasing the excitation crest factor. An increase of crest factor is required for more accurate simulation of ground vehicle vibrations and the opposite action of crest factor decrease is useful in other applications, such as modal testing. Implementing kurtosis as an additional test specification leads to closed-form solutions for the requirement of the excitation high peak behavior being controlled simultaneously with the traditional power spectral density (PSD) control. A method of subjecting Gaussian signals to polynomial transformation is simpler but has an inherent tendency of introducing frequency distortions jeopardizing the PSD simulation. There is no such difficulty with another approach of phase manipulation in the inverse fast Fourier transform since the power spectrum is not influenced by the phases. A universal phase selection procedure capable of modeling non-Gaussian random excitations with a high or low kurtosis has been developed. Because of the analytical solution advantage, the proposed phase method can be implemented in automatic shaker testing systems with closed-loop control. This paper is the first in a series of two publications. Part II will present numerical and experimental results.

Vibration Testing by Non-Gaussian Random Excitations with Specified Kurtosis. Part II

Author : Alexander Steinwolf
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis Vibration Testing by Non-Gaussian Random Excitations with Specified Kurtosis. Part II by : Alexander Steinwolf

Download or read book Vibration Testing by Non-Gaussian Random Excitations with Specified Kurtosis. Part II written by Alexander Steinwolf and published by . This book was released on 2014 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper is a follow-up to a preceding paper (Part I) in which two methods of non-Gaussian random vibration testing with adjustable kurtosis were introduced and motivation for kurtosis control as a way of increasing or decreasing the excitation crest factor was discussed. The current paper (Part II) adds numerical examples of automobile vibration simulation and experimental results for a kurtosis upgrade implemented in the same form of closed-loop control as in industrial shaker controllers. It was observed in experiments that the dynamic range of a kurtosis controller based on the polynomial transformation method was reduced and the handling of resonances worsened notably. These problems also arise with the sigma clipping technique of crest factor limiting. However, there are no such difficulties with the non-Gaussian method of phase manipulation in the inverse fast Fourier transform (IFFT). When using this method, the signal-to-noise ratio, the controller's dynamic range, and the stabilization time are as good as in standard Gaussian random testing. Evaluation of the performance of the proposed phase selection algorithm has shown that for increased kurtosis it ensures realistic variability of high peaks in terms of their amplitudes and positions, as well as the number of severe peaks per data block. Because of the analytical solution advantage, both methods, the polynomial transformation and the phase selection, meet time restrictions critical for the operation of shaker testing controllers.

Non-Gaussian Random Vibration Fatigue Analysis and Accelerated Test

Author : Yu Jiang
Publisher : Springer Nature
ISBN 13 : 981163694X
Total Pages : 171 pages
Book Rating : 4.8/5 (116 download)

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Book Synopsis Non-Gaussian Random Vibration Fatigue Analysis and Accelerated Test by : Yu Jiang

Download or read book Non-Gaussian Random Vibration Fatigue Analysis and Accelerated Test written by Yu Jiang and published by Springer Nature. This book was released on 2021-09-15 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the theory, method and application of non-Gaussian random vibration fatigue analysis and test. The main contents include statistical analysis method of non-Gaussian random vibration, modeling and simulation of non-Gaussian/non-stationary random vibration, response analysis under non-Gaussian base excitation, non-Gaussian random vibration fatigue life analysis, fatigue reliability evaluation of structural components under Gaussian/non-Gaussian random loadings, non-Gaussian random vibration accelerated test method and application cases. From this book, the readers can not only learn how to reproduce the non-Gaussian vibration environment actually experienced by the product, but also know how to evaluate the fatigue life and reliability of the structure under non-Gaussian random excitation.

New Prospects in Geotechnical Engineering Aspects of Civil Infrastructures

Author : Hadi Khabbaz
Publisher : Springer
ISBN 13 : 3319957716
Total Pages : 286 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis New Prospects in Geotechnical Engineering Aspects of Civil Infrastructures by : Hadi Khabbaz

Download or read book New Prospects in Geotechnical Engineering Aspects of Civil Infrastructures written by Hadi Khabbaz and published by Springer. This book was released on 2018-07-16 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents new studies by a group of researchers and practitioners to address many geotechnical challenges, based on the state-of-the-art practices, innovative technologies, new research results and case histories in construction and design towards safer infrastructures. The book provides an advancement in technologies to incorporate the impact of global climate change, world's population is rising fast and the rate of urbanization on civil infrastructures. Papers were selected from the 5th GeoChina International Conference 2018 – Civil Infrastructures Confronting Severe Weathers and Climate Changes: From Failure to Sustainability, held on July 23 to 25, 2018 in HangZhou, China.

Experimental Mechanics

Author : I. M. Allison
Publisher : Taylor & Francis US
ISBN 13 : 9789058090157
Total Pages : 800 pages
Book Rating : 4.0/5 (91 download)

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Book Synopsis Experimental Mechanics by : I. M. Allison

Download or read book Experimental Mechanics written by I. M. Allison and published by Taylor & Francis US. This book was released on 1998 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Introduction to Random Vibrations

Author : N. C. Nigam
Publisher : MIT Press (MA)
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.:/5 (45 download)

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Book Synopsis Introduction to Random Vibrations by : N. C. Nigam

Download or read book Introduction to Random Vibrations written by N. C. Nigam and published by MIT Press (MA). This book was released on 1983 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to Random Vibrations presents a brief review of probability theory, a concise treatment of random variables and random processes, and a comprehensive exposition of the theory of random vibrations.

Sensors and Instrumentation, Aircraft/Aerospace, Energy Harvesting & Dynamic Environments Testing, Volume 7

Author : Chad Walber
Publisher : Springer
ISBN 13 : 3030126765
Total Pages : 417 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Sensors and Instrumentation, Aircraft/Aerospace, Energy Harvesting & Dynamic Environments Testing, Volume 7 by : Chad Walber

Download or read book Sensors and Instrumentation, Aircraft/Aerospace, Energy Harvesting & Dynamic Environments Testing, Volume 7 written by Chad Walber and published by Springer. This book was released on 2019-05-03 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sensors and Instrumentation, Aircraft/Aerospace and Energy Harvesting, Volume 7: Proceedings of the 37th IMAC, A Conference and Exposition on Structural Dynamics, 2019, the seventh volume of eight from the Conference brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Shock & Vibration, Aircraft/Aerospace, Energy Harvesting & Dynamic Environments Testing including papers on: Alternative Sensing & Acquisition Active Controls Instrumentation Aircraft/Aerospace & Aerospace Testing Techniques Energy Harvesting

Safety, Reliability and Risk Analysis

Author : Sebastian Martorell
Publisher : CRC Press
ISBN 13 : 1482266482
Total Pages : 3512 pages
Book Rating : 4.4/5 (822 download)

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Download or read book Safety, Reliability and Risk Analysis written by Sebastian Martorell and published by CRC Press. This book was released on 2008-09-10 with total page 3512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Safety, Reliability and Risk Analysis. Theory, Methods and Applications contains the papers presented at the joint ESREL (European Safety and Reliability) and SRA-Europe (Society for Risk Analysis Europe) Conference (Valencia, Spain, 22-25 September 2008). The book covers a wide range of topics, including: Accident and Incident Investigation; Crisi

Safety and Reliability of Complex Engineered Systems

Author : Luca Podofillini
Publisher : CRC Press
ISBN 13 : 1315648415
Total Pages : 730 pages
Book Rating : 4.3/5 (156 download)

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Book Synopsis Safety and Reliability of Complex Engineered Systems by : Luca Podofillini

Download or read book Safety and Reliability of Complex Engineered Systems written by Luca Podofillini and published by CRC Press. This book was released on 2015-09-03 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt: Safety and Reliability of Complex Engineered Systems contains the Proceedings of the 25th European Safety and Reliability Conference, ESREL 2015, held 7-10 September 2015 in Zurich, Switzerland. It includes about 570 papers accepted for presentation at the conference. These contributions focus on theories and methods in the area of risk, safety and

Mechanical Vibration and Shock Analysis, Random Vibration

Author : Christian Lalanne
Publisher : John Wiley & Sons
ISBN 13 : 1118618998
Total Pages : 479 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Mechanical Vibration and Shock Analysis, Random Vibration by : Christian Lalanne

Download or read book Mechanical Vibration and Shock Analysis, Random Vibration written by Christian Lalanne and published by John Wiley & Sons. This book was released on 2013-03-04 with total page 479 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanical Vibration and Shock Analysis, Second Edition Volume 3: Random Vibration The vast majority of vibrations encountered in a real-world environment are random in nature. Such vibrations are intrinsically complicated, but this volume describes a process enabling the simplification of the analysis required, and the analysis of the signal in the frequency domain. Power spectrum density is also defined, with the requisite precautions to be taken in its calculation described together with the processes (windowing, overlapping) necessary for improved results. A further complementary method, the analysis of statistical properties of the time signal, is described. This enables the distribution law of the maxima of a random Gaussian signal to be determined and simplifies calculation of fatigue damage to be made by the avoidance of the direct counting of peaks. The Mechanical Vibration and Shock Analysis five-volume series has been written with both the professional engineer and the academic in mind. Christian Lalanne explores every aspect of vibration and shock, two fundamental and extremely significant areas of mechanical engineering, from both a theoretical and practical point of view. The five volumes cover all the necessary issues in this area of mechanical engineering. The theoretical analyses are placed in the context of both the real world and the laboratory, which is essential for the development of specifications.

Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications

Author : Alphose Zingoni
Publisher : CRC Press
ISBN 13 : 0429761171
Total Pages : 882 pages
Book Rating : 4.4/5 (297 download)

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Book Synopsis Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications by : Alphose Zingoni

Download or read book Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications written by Alphose Zingoni and published by CRC Press. This book was released on 2019-08-21 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications comprises 411 papers that were presented at SEMC 2019, the Seventh International Conference on Structural Engineering, Mechanics and Computation, held in Cape Town, South Africa, from 2 to 4 September 2019. The subject matter reflects the broad scope of SEMC conferences, and covers a wide variety of engineering materials (both traditional and innovative) and many types of structures. The many topics featured in these Proceedings can be classified into six broad categories that deal with: (i) the mechanics of materials and fluids (elasticity, plasticity, flow through porous media, fluid dynamics, fracture, fatigue, damage, delamination, corrosion, bond, creep, shrinkage, etc); (ii) the mechanics of structures and systems (structural dynamics, vibration, seismic response, soil-structure interaction, fluid-structure interaction, response to blast and impact, response to fire, structural stability, buckling, collapse behaviour); (iii) the numerical modelling and experimental testing of materials and structures (numerical methods, simulation techniques, multi-scale modelling, computational modelling, laboratory testing, field testing, experimental measurements); (iv) innovations and special structures (nanostructures, adaptive structures, smart structures, composite structures, bio-inspired structures, shell structures, membranes, space structures, lightweight structures, long-span structures, tall buildings, wind turbines, etc); (v) design in traditional engineering materials (steel, concrete, steel-concrete composite, aluminium, masonry, timber, glass); (vi) the process of structural engineering (conceptualisation, planning, analysis, design, optimization, construction, assembly, manufacture, testing, maintenance, monitoring, assessment, repair, strengthening, retrofitting, decommissioning). The SEMC 2019 Proceedings will be of interest to civil, structural, mechanical, marine and aerospace engineers. Researchers, developers, practitioners and academics in these disciplines will find them useful. Two versions of the papers are available. Short versions, intended to be concise but self-contained summaries of the full papers, are in this printed book. The full versions of the papers are in the e-book.

Journal of the IES

Author :
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Journal of the IES by :

Download or read book Journal of the IES written by and published by . This book was released on 1997 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Non-Gaussian Random Vibration Fatigue Analysis and Accelerated Test

Author : Yu Jiang
Publisher :
ISBN 13 : 9789811636950
Total Pages : 0 pages
Book Rating : 4.6/5 (369 download)

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Book Synopsis Non-Gaussian Random Vibration Fatigue Analysis and Accelerated Test by : Yu Jiang

Download or read book Non-Gaussian Random Vibration Fatigue Analysis and Accelerated Test written by Yu Jiang and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the theory, method and application of non-Gaussian random vibration fatigue analysis and test. The main contents include statistical analysis method of non-Gaussian random vibration, modeling and simulation of non-Gaussian/non-stationary random vibration, response analysis under non-Gaussian base excitation, non-Gaussian random vibration fatigue life analysis, fatigue reliability evaluation of structural components under Gaussian/non-Gaussian random loadings, non-Gaussian random vibration accelerated test method and application cases. From this book, the readers can not only learn how to reproduce the non-Gaussian vibration environment actually experienced by the product, but also know how to evaluate the fatigue life and reliability of the structure under non-Gaussian random excitation.

Applied Non-Gaussian Processes

Author : Mircea Grigoriu
Publisher : Prentice Hall
ISBN 13 :
Total Pages : 472 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Applied Non-Gaussian Processes by : Mircea Grigoriu

Download or read book Applied Non-Gaussian Processes written by Mircea Grigoriu and published by Prentice Hall. This book was released on 1995 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text defines a variety of non-Gaussian processes, develops methods for generating realizations of non-Gaussian models, and provides methods for finding probabilistic characteristics of the output of linear filters with non-Gaussian inputs.

Introduction to Finite Element Vibration Analysis

Author : Maurice Petyt
Publisher : Cambridge University Press
ISBN 13 : 9780521634175
Total Pages : 584 pages
Book Rating : 4.6/5 (341 download)

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Book Synopsis Introduction to Finite Element Vibration Analysis by : Maurice Petyt

Download or read book Introduction to Finite Element Vibration Analysis written by Maurice Petyt and published by Cambridge University Press. This book was released on 1998-07-30 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: First time paperback of successful mechanical engineering book suitable as a textbook for graduate students in mechanical engineering.

Fatigue Damage

Author : Christi Lalanne
Publisher : CRC Press
ISBN 13 : 9781560329893
Total Pages : 376 pages
Book Rating : 4.3/5 (298 download)

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Book Synopsis Fatigue Damage by : Christi Lalanne

Download or read book Fatigue Damage written by Christi Lalanne and published by CRC Press. This book was released on 2002-03-29 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: About the Series: This important new series of five volumes has been written with both the professional engineers and the academic in mind. Christian Lalanne explores every aspect of vibration and shock, two fundamental and crucially important areas of mechanical engineering, from both the theoretical and practical standpoints. As all products need to be designed to withstand the environmental conditions to which they are likely to be subjected, prototypes must be verified by calculation and laboratory tests, the latter according to specifications from national or international standards. The concept of tailoring the product to its environment has gradually developed whereby, from the very start of a design project, through the to the standards specifications and testing procedures on th e prototype, the real environment in which the product being tested will be functioning is taken into account. The five volumes of Mechanical Shock and Vibration cover all the issues that need to be addressed in this area of mechanical engineering. The theoretical analyses are placed in the context of the real world and of laboratory tests - essential for the development of specifications. Volume IV: Fatigue Damage Fatigue damage in a system with one degree of freedom is one of the two criteria applied when comparing the severity of vibratory environments. The same criterion is also employed for a specifciation representing the effects produced by the set of vibrations imposed in a real environment. In this volume, which is devoted to the calculation of fatigue damage, the author explores the hypotheses adopted to describe the behavior of material suffering fatigue and the laws of fatigue accumulation. He also considers the methods of counting the response peaks, which are used to establish the histogram when it is impossible to use the probability density of the peaks obtained with a Gaussian signal. The expressions for mean damage and its standard deviation are established and other hypotheses are tested.

Vibration Engineering for a Sustainable Future

Author : Sebastian Oberst
Publisher : Springer Nature
ISBN 13 : 3030464660
Total Pages : 402 pages
Book Rating : 4.0/5 (34 download)

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Book Synopsis Vibration Engineering for a Sustainable Future by : Sebastian Oberst

Download or read book Vibration Engineering for a Sustainable Future written by Sebastian Oberst and published by Springer Nature. This book was released on 2021-04-25 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the proceedings of the Asia-Pacific Vibration Conference (APVC) 2019, "Vibration Engineering for a Sustainable Future," emphasizing work devoted to experimental methods and verification. The APVC is one of the larger conferences held biannually with the intention to foster scientific and technical research collaboration among Asia-Pacific countries. The APVC provides a forum for researchers, practitioners, and students from, but not limited to, areas around the Asia-Pacific countries in a collegial and stimulating environment to present, discuss and disseminate recent advances and new findings on all aspects of vibration and noise, their control and utilization. All aspects of vibration, acoustics, vibration and noise control, vibration utilization, fault diagnosis and monitoring are appropriate for the conference, with the focus this year on the vibration aspects in dynamics and noise & vibration. This 18th edition of the APVC was held in November 2019 in Sydney, Australia. The previous seventeen conferences have been held in Japan (‘85, ’93, ‘07), Korea (’87, ’97, ‘13), China (’89, ’01, ’11, ‘17), Australia (’91, ‘03), Malaysia (’95, ‘05), Singapore (‘99), New Zealand (‘09) and Vietnam (‘15).