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Case histories in vibration analysis and metal fatigue for the practicing engineer [[electronic resource] /] / Anthony Sofronas
| Case histories in vibration analysis and metal fatigue for the practicing engineer [[electronic resource] /] / Anthony Sofronas |
| Autore | Sofronas Anthony |
| Pubbl/distr/stampa | Hoboken, N.J., : Wiley, 2012 |
| Descrizione fisica | 1 online resource (308 p.) |
| Disciplina | 620.1/1248 |
| Soggetto topico |
Machinery - Vibration
Vibration - Testing Metals - Fatigue |
| ISBN |
1-283-54974-3
9786613862198 1-118-37170-4 1-118-37169-0 1-118-37171-2 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
CASE HISTORIES INVIBRATION ANALYSIS AND METAL FATIGUE FOR THE PRACTICING ENGINEER; CONTENTS; Preface; 1 Introduction; Reference; 2 Basics of Vibration; 2.1 Spring-Mass Systems and Resonance; 2.2 Case History: Combining Springs and Masses in a Steam Turbine Problem; 2.3 Useful Questions to Ask Before Beginning a Vibration Analysis; 2.4 Linear Spring Constants and Area Moments of Inertia; 2.5 Vibrating Flat Plates; 2.6 Two-Degree Tuned Vibration Absorber; 2.7 Natural Frequencies of Pipes and Beams; 2.8 Effect of Clearance on the Natural Frequency
2.9 Static Deflection and Pendulum Natural Frequency 2.10 Coupled Single-Mass Systems; References; 3 Vibration-Measuring Methods and Limits; 3.1 Important Frequencies; 3.2 Campbell Diagrams; 3.3 Case History: Systematic Procedure to Identify a Vibration Source; 3.4 Vibration-Measuring Terms; 3.5 Cascade Diagram; 3.6 Shock Pulse Method; 3.7 Measuring Transducers; 3.8 Measurements: Time-Based, Bode, and Orbit Plots; 4 Simple Analytical Examples; 4.1 Determining Vibration Amplitude; 4.2 Resonant and Off-Resonant Amplitudes; 4.3 Case History: Transmitted Force and Isolation of a Roof Fan 4.4 Case History: Seal Failure Due to Misalignment of an Agitator Shaft 4.5 Case History: Structural Vibration; 4.6 Case History: Production-Line Grinding Problem; 4.7 Case History: Vehicle on Springs; 4.8 Case History: Vibrating Cantilevered Components; 4.9 Bump Test; 4.10 Case History: Vibrating Pump Mounted on a Plate Deck; 4.11 Case History: Misalignment Force; 4.12 Case History: Vertical Pump Vibrations and Bearing Survival; 4.13 Case History: Cause of Mysterious Movement on a Centrifuge Deck; 4.14 Case History: Engine Vibration Monitoring Device 4.15 Case History: Natural Frequency of A Midsupport Vertical Mixer 4.16 Case History: Valve Float Analysis; References; 5 Vibration-Based Problems and Their Sources; 5.1 Fatigue Cracking; 5.2 Fretting and Wear; 5.3 Ball and Roller Bearing Failures; 5.4 Bolt Loosening; 5.5 Flow-Induced Vibration; 5.5.1 Case History: Stack Vibration Induced by Wind; 5.6 Excessive Noise; 5.7 Pressure Pulsations; 5.8 Mechanical Seal Chipping and Damage; 5.9 Surging of Fans and Other Causes of Vibration; 5.10 Vibration Due to Beats; 5.11 The Slip-Stick Problem; 5.12 Drive Belt Vibration; References 6 Causes of Vibrations and Solutions in Machinery 6.1 Rotating Imbalance; 6.1.1 Case History: Motor Imbalance; 6.2 Causes of Shaft Misalignment; 6.2.1 Types of Misalignment; 6.2.2 Thermal Offset; 6.2.3 Acceptable Coupling Offset and Angular Misalignment; 6.3 A Problem in Measuring Vibration on Large Machines; 6.4 Causes of Pump Vibration; 6.4.1 NPSH Problems and Cavitation; 6.4.2 Suction Vortex; 6.4.3 Off Best Efficiency Point; 6.4.4 Vertical Pump Vibration; 6.4.5 Pump Vibration Level Guidelines; 6.5 Other Causes of Motor Vibration; 6.5.1 Electrical Causes; 6.5.2 Mechanical Cause 6.5.3 Motor Vibration-Level Guidelines |
| Record Nr. | UNINA-9910141437703321 |
Sofronas Anthony
|
||
| Hoboken, N.J., : Wiley, 2012 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Case histories in vibration analysis and metal fatigue for the practicing engineer / / Anthony Sofronas
| Case histories in vibration analysis and metal fatigue for the practicing engineer / / Anthony Sofronas |
| Autore | Sofronas Anthony |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Hoboken, N.J., : Wiley, 2012 |
| Descrizione fisica | 1 online resource (308 p.) |
| Disciplina | 620.1/1248 |
| Soggetto topico |
Machinery - Vibration
Vibration - Testing Metals - Fatigue |
| ISBN |
9786613862198
9781283549745 1283549743 9781118371701 1118371704 9781118371695 1118371690 9781118371718 1118371712 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
CASE HISTORIES INVIBRATION ANALYSIS AND METAL FATIGUE FOR THE PRACTICING ENGINEER; CONTENTS; Preface; 1 Introduction; Reference; 2 Basics of Vibration; 2.1 Spring-Mass Systems and Resonance; 2.2 Case History: Combining Springs and Masses in a Steam Turbine Problem; 2.3 Useful Questions to Ask Before Beginning a Vibration Analysis; 2.4 Linear Spring Constants and Area Moments of Inertia; 2.5 Vibrating Flat Plates; 2.6 Two-Degree Tuned Vibration Absorber; 2.7 Natural Frequencies of Pipes and Beams; 2.8 Effect of Clearance on the Natural Frequency
2.9 Static Deflection and Pendulum Natural Frequency 2.10 Coupled Single-Mass Systems; References; 3 Vibration-Measuring Methods and Limits; 3.1 Important Frequencies; 3.2 Campbell Diagrams; 3.3 Case History: Systematic Procedure to Identify a Vibration Source; 3.4 Vibration-Measuring Terms; 3.5 Cascade Diagram; 3.6 Shock Pulse Method; 3.7 Measuring Transducers; 3.8 Measurements: Time-Based, Bode, and Orbit Plots; 4 Simple Analytical Examples; 4.1 Determining Vibration Amplitude; 4.2 Resonant and Off-Resonant Amplitudes; 4.3 Case History: Transmitted Force and Isolation of a Roof Fan 4.4 Case History: Seal Failure Due to Misalignment of an Agitator Shaft 4.5 Case History: Structural Vibration; 4.6 Case History: Production-Line Grinding Problem; 4.7 Case History: Vehicle on Springs; 4.8 Case History: Vibrating Cantilevered Components; 4.9 Bump Test; 4.10 Case History: Vibrating Pump Mounted on a Plate Deck; 4.11 Case History: Misalignment Force; 4.12 Case History: Vertical Pump Vibrations and Bearing Survival; 4.13 Case History: Cause of Mysterious Movement on a Centrifuge Deck; 4.14 Case History: Engine Vibration Monitoring Device 4.15 Case History: Natural Frequency of A Midsupport Vertical Mixer 4.16 Case History: Valve Float Analysis; References; 5 Vibration-Based Problems and Their Sources; 5.1 Fatigue Cracking; 5.2 Fretting and Wear; 5.3 Ball and Roller Bearing Failures; 5.4 Bolt Loosening; 5.5 Flow-Induced Vibration; 5.5.1 Case History: Stack Vibration Induced by Wind; 5.6 Excessive Noise; 5.7 Pressure Pulsations; 5.8 Mechanical Seal Chipping and Damage; 5.9 Surging of Fans and Other Causes of Vibration; 5.10 Vibration Due to Beats; 5.11 The Slip-Stick Problem; 5.12 Drive Belt Vibration; References 6 Causes of Vibrations and Solutions in Machinery 6.1 Rotating Imbalance; 6.1.1 Case History: Motor Imbalance; 6.2 Causes of Shaft Misalignment; 6.2.1 Types of Misalignment; 6.2.2 Thermal Offset; 6.2.3 Acceptable Coupling Offset and Angular Misalignment; 6.3 A Problem in Measuring Vibration on Large Machines; 6.4 Causes of Pump Vibration; 6.4.1 NPSH Problems and Cavitation; 6.4.2 Suction Vortex; 6.4.3 Off Best Efficiency Point; 6.4.4 Vertical Pump Vibration; 6.4.5 Pump Vibration Level Guidelines; 6.5 Other Causes of Motor Vibration; 6.5.1 Electrical Causes; 6.5.2 Mechanical Cause 6.5.3 Motor Vibration-Level Guidelines |
| Record Nr. | UNINA-9910823949203321 |
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Sofronas Anthony
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||
| Hoboken, N.J., : Wiley, 2012 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Characterization of Attocube nanopositioners for vibration [[electronic resource] /] / Dimitri Alexson and Doran D. Smith
| Characterization of Attocube nanopositioners for vibration [[electronic resource] /] / Dimitri Alexson and Doran D. Smith |
| Autore | Alexson Dimitri A |
| Pubbl/distr/stampa | Adelphi, MD : , : Army Research Laboratory, , [2010] |
| Descrizione fisica | 1 online resource (iv, 16 pages) : color illustrations |
| Altri autori (Persone) | SmithDoran D |
| Collana | ARL-TR |
| Soggetto topico |
Magnetic resonance imaging
Low temperature engineering Vibration - Testing |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910699753103321 |
|
Alexson Dimitri A
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| Adelphi, MD : , : Army Research Laboratory, , [2010] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Development and application of vibroacoustic structural data banks in predicting vibration design and test criteria for rocket vehicle structures / / by H.J. Bandgren and W.C. Smith
| Development and application of vibroacoustic structural data banks in predicting vibration design and test criteria for rocket vehicle structures / / by H.J. Bandgren and W.C. Smith |
| Autore | Bandgren H. J. |
| Pubbl/distr/stampa | Washington, D.C. : , : National Aeronautics and Space Administration, , February 1973 |
| Descrizione fisica | 1 online resource (vi, 143 pages) : illustrations |
| Collana | NASA/ TN |
| Soggetto topico |
Vibration
Electronic data processing Vibration - Testing |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910716675903321 |
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Bandgren H. J.
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| Washington, D.C. : , : National Aeronautics and Space Administration, , February 1973 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Functional test results of a high power patch array antenna [[electronic resource] /] / by Canh Ly
| Functional test results of a high power patch array antenna [[electronic resource] /] / by Canh Ly |
| Autore | Ly Canh |
| Pubbl/distr/stampa | Adelphi, MD : , : Army Research Laboratory, , [2008] |
| Descrizione fisica | vi, 22 pages : digital, PDF file |
| Collana | ARL-TR |
| Soggetto topico |
Antenna arrays - Testing - Evaluation
Microwave devices - Testing Vibration - Testing |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910698177603321 |
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Ly Canh
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| Adelphi, MD : , : Army Research Laboratory, , [2008] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
HALT, HASS, and HASA explained : accelerated reliability techniques / / Harry W. McLean
| HALT, HASS, and HASA explained : accelerated reliability techniques / / Harry W. McLean |
| Autore | McLean Harry W. <1946-> |
| Edizione | [Revised edition.] |
| Pubbl/distr/stampa | Milwaukee, Wisconsin : , : ASQ Quality Press, , 2009 |
| Descrizione fisica | 1 online resource (194 p.) |
| Disciplina | 620/.00452 |
| Soggetto topico |
Reliability (Engineering)
Accelerated life testing Vibration - Testing Strains and stresses |
| Soggetto genere / forma | Electronic books. |
| ISBN | 600-00-4888-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910452987003321 |
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McLean Harry W. <1946->
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| Milwaukee, Wisconsin : , : ASQ Quality Press, , 2009 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
HALT, HASS, and HASA explained : accelerated reliability techniques / / Harry W. McLean
| HALT, HASS, and HASA explained : accelerated reliability techniques / / Harry W. McLean |
| Autore | McLean Harry W. <1946-> |
| Edizione | [Revised edition.] |
| Pubbl/distr/stampa | Milwaukee, Wisconsin : , : ASQ Quality Press, , 2009 |
| Descrizione fisica | 1 online resource (194 p.) |
| Disciplina | 620/.00452 |
| Soggetto topico |
Reliability (Engineering)
Accelerated life testing Vibration - Testing Strains and stresses |
| ISBN |
0-87389-763-3
600-00-4888-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910779879803321 |
|
McLean Harry W. <1946->
|
||
| Milwaukee, Wisconsin : , : ASQ Quality Press, , 2009 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
HALT, HASS, and HASA explained : accelerated reliability techniques / / Harry W. McLean
| HALT, HASS, and HASA explained : accelerated reliability techniques / / Harry W. McLean |
| Autore | McLean Harry W. <1946-> |
| Edizione | [Revised edition.] |
| Pubbl/distr/stampa | Milwaukee, Wisconsin : , : ASQ Quality Press, , 2009 |
| Descrizione fisica | 1 online resource (194 p.) |
| Disciplina | 620/.00452 |
| Soggetto topico |
Reliability (Engineering)
Accelerated life testing Vibration - Testing Strains and stresses |
| ISBN |
0-87389-763-3
600-00-4888-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910818347103321 |
|
McLean Harry W. <1946->
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||
| Milwaukee, Wisconsin : , : ASQ Quality Press, , 2009 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Resilience of civil infrastructure systems : developments in testing, sensing, monitoring, and control / / edited by Jian Zhang, Zhishen Wu and Mohammad Noori
| Resilience of civil infrastructure systems : developments in testing, sensing, monitoring, and control / / edited by Jian Zhang, Zhishen Wu and Mohammad Noori |
| Edizione | [First edition.] |
| Pubbl/distr/stampa | Boca Raton, FL : , : CRC Press, , 2021 |
| Descrizione fisica | 1 online resource (611 pages) |
| Disciplina |
621.811
624.176 |
| Collana | Taylor and Francis series in resilience and sustainability in civil, mechanical, aerospace and manufacturing engineering systems |
| Soggetto topico | Vibration - Testing |
| ISBN |
1-00-309056-7
1-003-09056-7 1-000-17865-X 1-000-17869-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover -- Half Title -- Series Page -- Title Page -- Copyright Page -- Table of Contents -- Preface -- Editors -- Contributors -- Chapter 1 Wavelet-Based Damage-Sensitive Features Extraction -- 1.1 Introduction -- 1.2 Data Preprocessing -- 1.2.1 Feature Detection and Extraction -- 1.2.2 Statistical Model Formulation -- 1.2.3 Scale Selection -- 1.2.4 Feature Damage Index Identification Based Wavelet -- 1.3 Numerical Simulation and Results: Discussion -- 1.4 Conclusions -- References -- Chapter 2 Deep Learning for Automated Damage Detection: A Novel Algorithm in CNN Family for Faster and Accurate Damage Identification -- 2.1 Introduction -- 2.2 Deep Learning Based Approaches for Image Classification and Object Detection -- 2.2.1 Deep Learning for Image Classification -- 2.3 Methodology -- 2.4 Conclusions -- Acknowledgements -- References -- Chapter 3 Seismic Protection of Cultural Relics Using Three-Dimensional Base-Isolation System -- 3.1 Introduction -- 3.2 Input Ground Motions -- 3.3 Finite Element Models -- 3.4 Response History Analyses -- 3.4.1 Overturn -- 3.4.2 Sliding -- 3.5 Conclusions -- Acknowledgment -- References -- Chapter 4 Combined Actuator-Shake Table Test with Optimized Input Energy -- 4.1 Introduction -- 4.2 Equations of Motion of the Experimental SDF Model -- 4.3 The Testing Power -- 4.4 Procedures for Dividing the Ground Motion between the Shake Table and Actuators -- 4.4.1 Dividing in Time Domain -- 4.4.2 Dividing in Frequency Domain -- 4.4.3 Dynamic Optimization -- 4.5 Extending to Multi Degree of Freedom (MDF) Models -- 4.6 Numerical Calculations -- 4.7 Conclusions -- References -- Chapter 5 Design Spectra for Structures Subjected to Passing Underground Trains -- 5.1 Introduction -- 5.2 Specifications of the Trains -- 5.2.1 The Selected Trains -- 5.2.2 The Suspension System.
5.2.2.1 Dynamical Model of the Secondary Suspension System -- 5.2.2.2 Dynamical Model of the Main Suspension System -- 5.3 The Loading Pattern -- 5.4 The 3D Model of the Soil-Tunnel System -- 5.4.1 Modeling of the Components -- 5.4.2 The Output -- 5.5 The Calculated Spectra -- 5.5.1 Introduction -- 5.5.2 The Numerical Results -- 5.6 Conclusions -- References -- Chapter 6 Frequency-Domain Fast Maximum Likelihood Estimation of Complex Modes -- 6.1 Introduction -- 6.2 Problem Formulation -- 6.2.1 The Deterministic Model -- 6.2.2 The Probabilistic Model -- 6.3 ML Estimation -- 6.4 EM Algorithm -- 6.5 Field Test -- 6.6 Conclusion -- Acknowledgements -- References -- Chapter 7 A Full Version of Vision-Based Structural Identification -- 7.1 Introduction -- 7.2 Methodology -- 7.2.1 Vision-Based Structural Input Estimation -- 7.2.2 Vision-Based Structural Output Estimation -- 7.2.3 Extract UIL from Structural Input and Output -- 7.3 Experimental Verification -- 7.3.1 Experimental Setup -- 7.3.2 Result Analysis -- 7.4 Conclusions -- References -- Chapter 8 Damage Recognition of Wood Beam Based on Curvature Modal Technology -- 8.1 Introduction -- 8.2 Feasibility Analysis of Curvature Modal Based Wood Beam Damage Identification -- 8.2.1 Feasibility Analysis Process -- 8.2.2 Finite Element Analysis Model -- 8.2.3 Analysis of the Relationship between Curvature Mode and Damage Degree of Wooden Beam Model with Different Damage Degrees at a Single Site -- 8.2.4 Analysis of the Relationship between the Curvature Mode and the Damage Location of the Wooden Beam Model at Different Damage Locations -- 8.3 Theoretical Derivation of Damage Degree of Wooden Beams Based on Curvature Mode -- 8.3.1 Basic Assumptions -- 8.3.2 Expression of Lateral Displacement of Beam Free Vibration under Different Supporting Conditions. 8.3.2.1 Displacement Equation for Free Vibration of a Simple Supported Beam -- 8.3.2.2 Displacement Equation for Free Vibration of the Fixed Support Beam -- 8.3.3 The Expression Derivation of Damage Degree of a Wooden Beam under Different Supporting Conditions -- 8.3.4 Verification of Finite Element Example -- 8.4 Modal Test and Data Analysis -- 8.4.1 Test Overview -- 8.4.1.1 Modal Test Equipment -- 8.4.1.2 Preparation of Test Specimen -- 8.4.2 Test Preparation and Test Design -- 8.4.2.1 Test Specimen Support Method and Measuring Point Arrangement -- 8.4.2.2 Selection of Excitation Pattern -- 8.4.3 Test Results and Data Processing -- 8.4.3.1 Analysis of Curvature Modal of Specimen -- 8.4.3.2 Verification of Damage Degree Determination Formula -- 8.5 Conclusions -- References -- Chapter 9 Validation of Proposed SHM Model Based on Inverse Dynamic Approach with Limited Noisy Dynamic Responses by Experimental Study -- 9.1 Introduction -- 9.1.1 Theoretical Formulation -- 9.1.2 Experimental Example -- 9.2 Conclusions -- References -- Chapter 10 Grouting Compactness Assessment in Post-Tensioning Tendon Ducts Using Piezoceramic Transducers and Wavelet Packet Analysis -- 10.1 Introduction -- 10.2 Methodology -- 10.2.1 Piezoelectric Effect and SA Transducers -- 10.2.2 Wavelet Packet-Based Analysis -- 10.2.3 Detection Principle -- 10.3 Experimental Equipment and Procedures -- 10.3.1 Experimental Equipment -- 10.3.2 Experimental Procedure -- 10.4 Experimental Results and Analysis -- 10.4.1 Time-Domain Analysis -- 10.4.2 Wavelet Packet-Based Energy Analysis -- 10.5 Conclusion and Perspective -- References -- Chapter 11 The Analysis of the Temperature Effect on Frequencies of a Footbridge -- 11.1 Introduction -- 11.2 Quantitative Analysis of the Effect of Temperature on Frequency -- 11.2.1 Elastic Modulus -- 11.2.2 Boundary Condition -- 11.2.3 Axial Force. 11.3 The Continuous Dynamic Monitoring System in a Footbridge -- 11.4 The Analysis of the Effect of Temperature on Frequency in a Footbridge -- 11.5 Conclusion -- References -- Chapter 12 Numerical Simulation of Precast Concrete Structure with Cast-In-Situ Monolithic Joint -- 12.1 Introduction -- 12.2 Research Object -- 12.3 Numerical Simulation of an Interface Model of Post-Pouring Zone of Precast Members -- 12.3.1 Mechanisms of Interface Stress in Post-Pouring Zone of Prefabricated Components -- 12.3.2 Interface Model of Post-Pouring Zone of Prefabricated Components -- 12.4 Finite Element Simulation -- 12.4.1 Material Constitution -- 12.4.2 Establishment of Finite Element Model -- 12.5 Analysis of Model Results -- 12.5.1 Simulation Method of Stiffness Reduction -- 12.5.2 Simulation Method of Strength Change -- 12.5.3 Test Verification -- 12.6 Conclusion -- References -- Chapter 13 Simulation Analysis of a Bridge with a Nonlinear Tuned Mass Damper Using Incremental Harmonic Balance Method -- 13.1 General Instructions -- 13.2 Modeling of the Nonlinear TMD Bridge Under Periodic Moving Forces -- 13.3 Application of IHBM to Analyze the Equations of Motion -- 13.4 Investigation of Parameter Influence on Dynamic Characteristics -- 13.5 Conclusion -- References -- Chapter 14 Analysis on the Internal Explosion Effects of Single-Layer Spherical Reticulated Shell -- 14.1 Introduction -- 14.2 Numerical Model -- 14.2.1 Finite Element Model -- 14.2.2 Material Model -- 14.3 Internal Explosion Effects -- 14.3.1 Loading Effects of Internal Explosion -- 14.3.2 Internal Explosion Responses -- 14.4 Discussions -- 14.4.1 Space Height Coefficient -- 14.4.2 Wall No Openings -- 14.4.3 Wall Openings -- 14.5 Conclusions -- Acknowledgments -- References -- Chapter 15 Damage Features from Direct Modal Strain Measurements -- 15.1 Introduction -- 15.2 Prestressed Concrete Beam. 15.2.1 Test Structure -- 15.2.2 Progressive Damage Test -- 15.2.3 Dynamic Test Setup -- 15.3 Strain-Based Modal Analysis -- 15.3.1 Influence of Damage versus Temperature on Natural Frequencies -- 15.3.2 Influence of Damage versus Temperature on Strain Mode Shapes -- 15.4 Long-Term Monitoring of the 30th Span of the Arbre Viaduct -- 15.5 Conclusions -- Acknowledgments -- References -- Chapter 16 Displacement Estimation by Multi-Rate Data Fusion of Strain and Acceleration Data -- 16.1 Introduction -- 16.2 Strain-Derived Displacement Formula -- 16.3 Displacement Estimation Using Kalman Filtering -- 16.3.1 State-Space Model -- 16.3.2 Recursive Filtering Algorithm -- 16.4 Simulation on a Supertall Structure -- 16.5 Field Test on a Supertall Structure -- 16.6 Conclusions -- 16.7 Funding -- References -- Chapter 17 Concrete Crack Image Recognition Based on DBSCAN and KPCA -- 17.1 Introduction -- 17.2 IPTs Used for Concrete Cracks Detection -- 17.3 Methodology -- 17.3.1 Grayscale Processing -- 17.3.2 Edge Detection -- 17.3.3 Image Segmentation -- 17.3.4 Crack Monitor -- 17.4 Testing Images -- 17.5 Conclusions -- References -- Chapter 18 Pedestrian Induced Vibration of Slab -- 18.1 Introduction -- 18.2 Governing Equation -- 18.3 Conclusions -- Acknowledgements -- References -- Chapter 19 Piezoelectric Admittance-Based Damage Detection via Data Compression and Reconstruction -- 19.1 Introduction -- 19.2 Main Theories -- 19.2.1 Piezoelectric Ceramic Technique -- 19.2.2 Compressed Sensing Theory -- 19.2.3 Orthogonal Matching Pursuit -- 19.3 Validation of the Approach Using Monitoring Data from an Experimental Simply-Supported Beam -- 19.3.1 Description of the Simply-Supported Beam Experiment -- 19.3.2 Admittance Data Reconstruction Using OMP Algorithm -- 19.3.3 Data Compression Effects -- 19.3.4 Influence of Sparsity Level on Reconstruction Accuracy. 19.3.5 Damage Evaluation Using RMSD. |
| Record Nr. | UNINA-9910966106403321 |
| Boca Raton, FL : , : CRC Press, , 2021 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Summary of inductive SiC BJT switching [[electronic resource] /] / Steven L. Kaplan
| Summary of inductive SiC BJT switching [[electronic resource] /] / Steven L. Kaplan |
| Autore | Kaplan Steven L |
| Pubbl/distr/stampa | Adelphi, MD : , : Army Research Laboratory, , [2005] |
| Descrizione fisica | 1 online resource (iv, 12 pages) : color illustrations |
| Collana | ARL-TR |
| Soggetto topico |
Electric inverters
Semiconductor switches Vibration - Testing |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910699971403321 |
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Kaplan Steven L
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| Adelphi, MD : , : Army Research Laboratory, , [2005] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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