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Author : Jun Zhao
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (412 download)
Download or read book Nondestructive Damage Detection Using Structural Dynamic Properties written by Jun Zhao and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Antonino Morassi
Publisher : Springer Science & Business Media
ISBN 13 : 3211787771
Total Pages : 225 pages
Book Rating : 4.2/5 (117 download)
Download or read book Dynamic Methods for Damage Detection in Structures written by Antonino Morassi and published by Springer Science & Business Media. This book was released on 2008-12-11 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non destructive testing aimed at monitoring, structural identification and di- nostics is of strategic importance in many branches of civil and mechanical - gineering. This type of tests is widely practiced and directly affects topical issues regarding the design of new buildings and the repair and monitoring of existing ones. The load bearing capacity of a structure can now be evaluated using well established mechanical modelling methods aided by computing facilities of great capability. However, to ensure reliable results, models must be calibrated with - curate information on the characteristics of materials and structural components. To this end, non destructive techniques are a useful tool from several points of view. Particularly, by measuring structural response, they provide guidance on the validation of structural descriptions or of the mathematical models of material behaviour. Diagnostic engineering is a crucial area for the application of non destructive testing methods. Repeated tests over time can indicate the emergence of p- sible damage occurring during the structure's lifetime and provide quantitative estimates of the level of residual safety.
Author :
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (313 download)
Download or read book Verzeichniß sowohl der stimmberechtigten als der zu Abgeordneten in die nächste allgemeine Ständeversammlung wählbaren Rittergutsbesitzer der Kgl. Sächs. Oberlausitz written by and published by . This book was released on 1832 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tadeusz Stepinski
Publisher : John Wiley & Sons
ISBN 13 : 1118536126
Total Pages : 342 pages
Book Rating : 4.1/5 (185 download)
Download or read book Advanced Structural Damage Detection written by Tadeusz Stepinski and published by John Wiley & Sons. This book was released on 2013-05-20 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structural Health Monitoring (SHM) is the interdisciplinary engineering field devoted to the monitoring and assessment of structural health and integrity. SHM technology integrates non-destructive evaluation techniques using remote sensing and smart materials to create smart self-monitoring structures characterized by increased reliability and long life. Its applications are primarily systems with critical demands concerning performance where classical onsite assessment is both difficult and expensive. Advanced Structural Damage Detection: From Theory to Engineering Applications is written by academic experts in the field and provides students, engineers and other technical specialists with a comprehensive review of recent developments in various monitoring techniques and their applications to SHM. Contributing to an area which is the subject of intensive research and development, this book offers both theoretical principles and feasibility studies for a number of SHM techniques. Key features: Takes a multidisciplinary approach and provides a comprehensive review of main SHM techniques Presents real case studies and practical application of techniques for damage detection in different types of structures Presents a number of new/novel data processing algorithms Demonstrates real operating prototypes Advanced Structural Damage Detection: From Theory to Engineering Applications is a comprehensive reference for researchers and engineers and is a useful source of information for graduate students in mechanical and civil engineering
Author : Babak Moaveni
Publisher :
ISBN 13 :
Total Pages : 330 pages
Book Rating : 4.:/5 (191 download)
Download or read book System and Damage Identification of Civil Structures written by Babak Moaveni and published by . This book was released on 2007 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, structural health monitoring has received increasing attention in the civil engineering research community with the objective to identify structural damage at the earliest possible stage and evaluate the remaining useful life (damage prognosis) of structures. Vibration-based, non-destructive damage identification is based on changes in dynamic characteristics (e.g., modal parameters) of a structure for identifying structural damage. Experimental modal analysis (EMA) has been used as a technology for identifying modal parameters of a structure based on its measured vibration data. It should be emphasized that the success of damage identification based on EMA depends strongly on the accuracy and completeness of the identified structural dynamic properties. The objective of the research work presented in this thesis is to develop new, and improve/extend existing system identification and damage identification methods for vibration based structural health monitoring. In the first part of the thesis, a new system identification method is developed to identify modal parameters of linear dynamic systems subjected to measured (known) arbitrary dynamic loading from known initial conditions. In addition, a comparative study is performed to investigate the performance of several state-of-the-art input-output and output-only system identification methods when applied to actual large structural components and systems. In the second part of the thesis, a finite element model updating strategy, a sophisticated damage identification method, is formulated and computer implemented. This method is then successfully applied for damage identification of two large test structures, namely a full-scale sub-component composite beam and a full-scale seven-story R/C building slice, at various damage levels. The final part of the thesis investigates, based on numerical response simulation of the seven-story building slice, the effects of the variability/uncertainty of several input factors on the variability/uncertainty of system identification and damage identification results. The results of this investigation demonstrate that the level of confidence in the damage identification results obtained through FE model updating is a function of not only the level of uncertainty in the identified modal parameters, but also choices made in the design of experiments (e.g., spatial density of measurements) and modeling errors (e.g., mesh size).
Author : Arash Sabz
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (944 download)
Download or read book Nondestructive Level III Damage Evaluation and System Identification in Structures Based on the Rate of the Total Energy written by Arash Sabz and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Nondestructive damage detection methods provide beneficiary bases for planning an economical maintenance program for structures. Economically, detecting and repairing structural damages in their initial stage is desirable, and moreover it may prevent occurrences of disastrous losses especially in areas susceptible to hazardous loads such as earthquakes. Therefore, development of a general damage detection method that alarms degradations of structural properties is of interest. In this dissertation, a level III non-destructive damage evaluation method, called DITER, is developed based on tracking the rate of the mechanical energy of a structural system. The objective is to simultaneously detect and size variations in the element-wise mass, stiffness, and damping characteristics of a structure, utilizing dynamic response data of the system. The effect of the proportional and non-proportional types of the inherent damping of the structure in the form of viscous resistance to strain of the material and Rayleigh damping, as well as the effect of passive seismic protective devices are considered in the method. Moreover, an iterative algorithm is proposed for the cases with missing load data A sub-system approach is developed to make DITER applicable to a specific part of a structure. The advantages of this approach are limiting the excitations to the interested area only, and making DITER an appropriate option for structures with seismic protective systems. While the method is applicable to a general structure, in this dissertation, it is explicitly developed for shear building models as well as for two-dimensional beams and frames. To address the geometrical non-linearity, an extended version of DITER is developed employing von Kármán nonlinearity. Several numerical verifications are presented to study the DITER performance under different types of supports, loadings, and damping characteristics as well as to consider the effects of the type, intensity, and geometry of the imposed damages. In addition, dynamic properties of a three-story office building are used to experimentally verify the DITER ability in detecting deteriorations in the structural stiffness. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/155085
Author : Shyamsunder Mandayam
Publisher : Springer Nature
ISBN 13 : 9811690936
Total Pages : 432 pages
Book Rating : 4.8/5 (116 download)
Download or read book Advances in Non Destructive Evaluation written by Shyamsunder Mandayam and published by Springer Nature. This book was released on 2022-04-11 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises the proceedings of the Conference and Exhibition on Non Destructive Evaluation (NDE 2020). The contents of the volume encompass a vast spectrum from Conventional to Advanced NDE including novel methods, instrumentation, sensors, procedures, and data analytics as applied to all industry segments for quality control, periodic maintenance, life estimation, structural integrity and related areas. This book will be a useful reference for students, researchers and practitioners.
Download or read book Structural Health Monitoring and Detection of Progressive and Existing Damage Using Artificial Neural Networks-Based System Identification written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent decades, the growing number of civil and aerospace structures has accelerated the development of damage detection and health monitoring approaches. Many are based upon non-destructive and non-invasive sensing and analysis of structural characteristics, and most use structural response information to identify the existence, location, and time of damage. Model based techniques such as parametric and non-parametric system identification seek to identify changes in the parameters of a dynamic structural model. Restoring forces in real structures can exhibit highly non-linear characteristics, thus accurate non-linear system identification is critical. Parametric system identification approaches are commonly used, but these require a priori assumptions about restoring force characteristics. Non-parametric approaches do not require such information, but they typically lack direct associations between the model and the structural dynamics, providing limited utility for accurate health monitoring and damage detection. This dissertation presents a novel 'Intelligent Parameter Varying' (IPV) health monitoring and damage detection technique that accurately detects the existence, location, and time of damage occurrence without any assumptions about the constitutive nature of structural non-linearities. This technique combines the advantages of parametric techniques with the non-parametric capabilities of artificial neural networks by incorporating artificial neural networks into a traditional parametric model. This hybrid approach benefits from the effectiveness of traditional modeling approaches and from the adaptation and learning capabilities of artificial neural networks. The generality of this IPV approach makes it suitable to a wide range of dynamic systems, including those with non-linear and time-varying characteristics. This IPV technique is demonstrated using a lumped-mass structural model with an embedded array of artificial neural networks. These networks i.
Author : M. Arif Wani
Publisher : Springer
ISBN 13 : 9789811567582
Total Pages : 300 pages
Book Rating : 4.5/5 (675 download)
Download or read book Deep Learning Applications, Volume 2 written by M. Arif Wani and published by Springer. This book was released on 2020-12-14 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents selected papers from the 18th IEEE International Conference on Machine Learning and Applications (IEEE ICMLA 2019). It focuses on deep learning networks and their application in domains such as healthcare, security and threat detection, fault diagnosis and accident analysis, and robotic control in industrial environments, and highlights novel ways of using deep neural networks to solve real-world problems. Also offering insights into deep learning architectures and algorithms, it is an essential reference guide for academic researchers, professionals, software engineers in industry, and innovative product developers.
Author : Ahmad Osman
Publisher : Springer Nature
ISBN 13 : 3031422392
Total Pages : 238 pages
Book Rating : 4.0/5 (314 download)
Download or read book Advanced Nondestructive and Structural Techniques for Diagnosis, Redesign and Health Monitoring for the Preservation of Cultural Heritage written by Ahmad Osman and published by Springer Nature. This book was released on 2023-12-03 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises the proceedings of the third TMM_CH International Conference on "Transdisciplinary Multispectral Modelling and Cooperation for the Preservation of Cultural Heritage." This book showcases the latest advancements in non-destructive testing and structural techniques across a wide range of applications within the realm of cultural heritage. The conference, held at the esteemed Eugenides Foundation in Athens, Greece, brought together scientists, engineers, architects, archeologists, conservators, geologists, art historians, and other stakeholders. Thirteen sessions and panel discussions featuring 142 esteemed panelists provided a platform for the exchange of ideas. With a significant online presence and approximately 50,000 online viewers, the conference had a profound impact on a global scale. This book serves as a valuable resource, presenting recent scientific breakthroughs, non-destructive techniques, and technologies that contribute to the holistic preservation of our world's cultural heritage.
Author : Júlio M. Montalvão e Silva
Publisher : Springer Science & Business Media
ISBN 13 : 9401145032
Total Pages : 607 pages
Book Rating : 4.4/5 (11 download)
Download or read book Modal Analysis and Testing written by Júlio M. Montalvão e Silva and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the NATO Advanced Study Institute, Sesimbra, Portugal, 3-15 May, 1998
Author : Tom Proulx
Publisher : Springer Science & Business Media
ISBN 13 : 1441998314
Total Pages : 278 pages
Book Rating : 4.4/5 (419 download)
Download or read book Dynamics of Civil Structures, Volume 4 written by Tom Proulx and published by Springer Science & Business Media. This book was released on 2011-05-10 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: This the fourth volume of five from the 28th IMAC on Structural Dynamics and Renewable Energy, 2010, brings together 29 chapters on the Dynamics of Civil Structures. It presents early findings from experimental and computational investigations of Civil Structures, including studies such as Characterization of a Strongly Nonlinear Laboratory Benchmark System, A Non-destructive Technique for the Health Monitoring of Tie-rods in Ancient Buildings, Estimating Effective Prestress Force on Grouted Tendon by Impact Responses, Experimental Investigation of Dynamic Load Estimation Using Small-scale Testing, and Prediction of Prestress Force on Grouted Tendon by Experimental Modal Analysis.
Author : John E. Masters
Publisher : ASTM International
ISBN 13 : 0803114745
Total Pages : 280 pages
Book Rating : 4.8/5 (31 download)
Download or read book Damage Detection in Composite Materials written by John E. Masters and published by ASTM International. This book was released on 1992 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of 16 papers from an international symposium in San Antonio, November 1990, focusing on the necessary coordination between materials scientists, stress analysts, and non-destructive evaluation specialists, for successfully designing, building, certifying, and maintaining composite struc
Author : Alfred Wicks
Publisher : Springer
ISBN 13 : 3319299565
Total Pages : 153 pages
Book Rating : 4.3/5 (192 download)
Download or read book Structural Health Monitoring, Damage Detection & Mechatronics, Volume 7 written by Alfred Wicks and published by Springer. This book was released on 2016-05-24 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structural Health Monitoring, Damage Detection & Mechatronics, Volume 7. Proceedings of the 34th IMAC, A Conference and Exposition on Dynamics of Multiphysical Systems: From Active Materials to Vibroacoustics, 2016, the seventh volume of ten from the Conference brings together contributions to this important area of research and engineering. The collection presents early fi ndings and case studies on fundamental and applied aspects of Structural Dynamics, including papers on: • Structural Health Monitoring • Damage Detection • Numerical Modeling • Mechatronics • System Identifi cation • Active Controls
Author : Moussa Karama
Publisher : Trans Tech Publications Ltd
ISBN 13 : 303813502X
Total Pages : 110 pages
Book Rating : 4.0/5 (381 download)
Download or read book Dynamics of the Structures and Non Destructive Testing written by Moussa Karama and published by Trans Tech Publications Ltd. This book was released on 2011-06-30 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume is indexed by Thomson Reuters BCI (WoS). With energy costs increasing, the gains to be made from weight-saving are most significant in the aerospace domain, but such gains are clearly also advantageous for road transport and this is even beginning to be recognised in shipbuilding. Consequently, improved reliability and resistance to degradation and durability in severe environments are always important requirements. Thus the development of composites, nano-composites and refractory alloys having specific properties has become a key factor in industrial and technological progress. Another challenge is the recyclability of advanced materials, as reflected by the emergence of projects involving thermoplastic-matrix composite fuselages. Moreover, the incorporation of biopolymers extracted from diverse raw materials can be an interesting alternative route to attaining the objective of 100% biodegradability. The purpose of these topics is to bring together researchers and specialists from universities and industry who are working on new composites and nano-composites, titanium alloys, etc., as well as structural characterisation using destructive or non-destructive testing, numerical analysis and composite processes.
Author : Fikret Necati Catbas
Publisher : Springer Science & Business Media
ISBN 13 : 3319045466
Total Pages : 831 pages
Book Rating : 4.3/5 (19 download)
Download or read book Dynamics of Civil Structures, Volume 4 written by Fikret Necati Catbas and published by Springer Science & Business Media. This book was released on 2014-04-15 with total page 831 pages. Available in PDF, EPUB and Kindle. Book excerpt: This fourth volume of eight from the IMAC - XXXII 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 Structural Dynamics, including papers on: Linear Systems Substructure Modelling Adaptive Structures Experimental Techniques Analytical Methods Damage Detection Damping of Materials & Members Modal Parameter Identification Modal Testing Methods System Identification Active Control Modal Parameter Estimation Processing Modal Data
Author : Christopher Niezrecki
Publisher : Springer
ISBN 13 : 3319152300
Total Pages : 192 pages
Book Rating : 4.3/5 (191 download)
Download or read book Structural Health Monitoring and Damage Detection, Volume 7 written by Christopher Niezrecki and published by Springer. This book was released on 2015-04-14 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structural Health Monitoring & Damage Detection, Volume 7: Proceedings of the 33rd IMAC, A Conference and Exposition on Structural Dynamics, 2015, the seventh volume of ten 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 Structural Dynamics, including papers on: Structural Health Monitoring Damage Detection Energy Harvesting
