Sensors and instrumentation, aircraft/aerospace and dynamic environments testing, Volume 7 : proceedings of the 40th IMAC, a conference and exposition on structural dynamics 2022 / / Chad Walber, Matthew Stefanski, Julie M. Harvie, editors |
Pubbl/distr/stampa | Cham, Switzerland : , : Springer, , [2023] |
Descrizione fisica | 1 online resource (180 pages) |
Disciplina | 624.171 |
Collana | Conference proceedings of the Society for Experimental Mechanics series |
Soggetto topico | Structural dynamics |
ISBN | 3-031-05415-6 |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Intro -- Preface -- Contents -- 1 Test Data Measurement Uncertainty Analysis -- 1.1 Introduction -- 1.2 Background -- 1.3 Random Uncertainty -- 1.4 Systematic Uncertainty -- 1.5 Final Uncertainty Calculation -- 1.6 Consultant -- 1.7 ASME and ISO Compliance -- 1.8 Example -- 1.9 Conclusion -- 2 Forced Vibrations of Damped Non-homogeneous Timoshenko Beams -- Nomenclature -- 2.1 Introduction -- 2.2 Basic Structure -- 2.3 Solution Approaches -- 2.3.1 Analytical Approach -- 2.3.2 Numerical Approach -- 2.4 Numerical Examples -- 2.4.1 Free/Fixed Boundary Conditions -- 2.4.2 Fixed/Fixed Boundary Conditions -- 2.5 Assumed Modes Method -- 2.6 Conclusion -- References -- 3 Parametric Simulations of the BARC Model in SDOF and MIMO Configurations for Estimating Service Environment Severity -- 3.1 Introduction -- 3.2 Methods -- 3.2.1 Structure Modeling in ABAQUS -- 3.2.2 Usage of Existing Data -- 3.2.3 Boundary Conditions and Parameterization -- 3.3 Analysis -- 3.3.1 History Outputs -- 3.3.2 Implicit Analysis -- Boundary Conditions -- Modal Analysis -- Mode-Based Steady-State Dynamics -- 3.3.3 Explicit Analysis -- Boundary Conditions -- Computational Cost -- 3.3.4 Frequency Response and Data Analysis -- Spectral Measurements -- Scalar Measurements -- Correlation Measurements -- 3.4 Results and Discussion -- 3.5 Conclusion -- Appendix -- Appendix A: Accelerometer Frequency Responses -- Frequency Responses of Each Accelerometer in the x-Direction -- Accelerometer 1 -- Accelerometer 3 -- Accelerometer 5 -- Frequency Responses of Each Accelerometer in the y-Direction -- Accelerometer 1 -- Accelerometer 3 -- Accelerometer 5 -- Frequency Responses of Each Accelerometer in the z-Direction -- Accelerometer 1 -- Accelerometer 3 -- Accelerometer 5 -- References -- 4 Experimental Modal Analysis of a Resonant Plate During a Mid-Field Pyroshock Replication Test.
4.1 Introduction -- 4.2 Theory and Background -- 4.2.1 Modal Analysis -- 4.2.2 Formulation of SWAT-TEEM -- 4.3 Modal Analysis of the Resonant Plate Test -- 4.4 Conclusion -- References -- 5 A Parameter Study of the Matrix Power Control Algorithm -- 5.1 Introduction -- 5.2 Explanation of MPCA -- 5.3 Simulation Models -- 5.4 Simulation Results -- 5.5 Experimental Results -- 5.6 Conclusion -- References -- 6 Acoustic Resonance Testing on Production Lines with the Smart Impulse Hammer WaveHitMAX -- 6.1 Introduction -- 6.2 Background -- 6.3 Technical Implementation -- 6.4 Measurement Setup -- 6.5 Analysis -- 6.5.1 Feature Extraction -- 6.5.2 Feature Selection -- 6.5.3 Classification -- 6.6 Conclusion -- References -- 7 Techniques for Modifying MIMO Random Vibration Specifications -- 7.1 Introduction -- 7.2 Typical MIMO Testing Process -- 7.3 Options for MIMO Response-Control Specifications When Data Is Not Available -- 7.3.1 Use a Generic Straight-Line Specification from a Standard -- 7.3.2 Apply the Specification from the Old System to the New System -- 7.3.3 Modify the Specification to Account for the Differences Between A and B -- 7.4 Techniques for Specification Modification -- 7.4.1 Frequency Averaging and Frequency Modification -- 7.4.2 DOF Averaging -- 7.5 Example Using the BARC -- 7.6 Observations -- 7.6.1 Frequency Averaged Specification -- 7.6.2 Frequency Modified Specification -- 7.6.3 All DOF Averaged SPEC -- 7.6.4 Group DOF Averaged SPEC -- 7.7 Conclusion -- References -- 8 On the Selection of Mode Shapes Used in Optimal Sensor Placement -- 8.1 Introduction -- 8.2 The Railway Bridge and Numerical Modeling -- 8.3 Application of the EFI Method and the Optimal Sensor Placement -- 8.4 Conclusion -- References -- 9 Thoughts on Automatic Impulse Hammer Parameters and Sensor Fixation Methods -- 9.1 Introduction. 9.2 Automated Impulse Hammer Parameters -- 9.2.1 System Description -- 9.2.2 Influence of the Bolt Mass -- 9.2.3 Influence of the Spring Stiffness -- 9.3 Sensor Fixation Parameters -- 9.3.1 Technical Properties of Fixation Methods -- 9.3.2 Experimental Setup -- 9.3.2.1 Normal Direction -- 9.3.2.2 Tangential Direction -- 9.4 Summary -- References -- 10 Modal Correlation of Complex Aerospace Joints Using Automated Variable Substitution -- Nomenclature -- 10.1 Introduction -- 10.2 Analysis Approach -- 10.2.1 Design Variable Definition -- 10.2.2 Symbolic Substitution -- 10.2.3 Iteration Value Assignment -- 10.2.4 Nastran SOL200 Deck Setup -- 10.3 Shell Automation Script -- 10.3.1 Initial Script Setup -- 10.3.2 Iteration Loop Definition -- 10.3.3 Shell Script Execution -- 10.3.4 Output Review -- 10.4 Case Study -- 10.5 Conclusion -- References -- 11 Multi-Shaker Testing at the Component Level -- 11.1 Introduction -- 11.2 Field and Laboratory Configurations -- 11.3 System Tests -- 11.4 ICE Tests -- 11.5 SDOF Tests -- 11.6 Overall System, ICE, and SDOF Comparison -- 11.7 Conclusion -- References -- 12 Balancing Impedance and Controllability in Response Reconstruction -- 12.1 Introduction -- 12.2 Assembly and Environment Definitions -- 12.3 MIMO Simulations -- 12.3.1 Roving Hammer FRFs -- 12.3.2 Mathematical Model -- 12.3.3 Shaker Selection Algorithm -- 12.4 Methodology -- 12.5 MIMO Reconstruction -- 12.6 Simulation with Condition Number Threshold -- 12.6.1 Condition Number Threshold Implementation -- 12.6.2 Simulation Results with Condition Number Threshold -- 12.7 Conclusion -- References -- 13 Challenges and Considerations When Using Hydraulic Modal Shaking in Large-Scale Modal Testing -- 13.1 Background -- 13.2 Hydraulic Actuator Basics -- 13.3 Hydraulic Actuator Nonlinear Distortion -- 13.4 Shaker Performance Limits. 13.5 Operational and Safety Concerns -- 13.6 Pretest Analysis: End-to-End Force Response Simulation -- 13.7 Hydraulic Multi-Axis Shaker Vibration Test Facilities and Beyond -- 13.8 Conclusion -- References -- 14 Damage and Loose Rivet Detection on an Airbus A320 Panel Using Non-contact Measurement Techniques -- 14.1 Introduction -- 14.2 Experimental Setup -- 14.2.1 Digital Image Correlation (DIC) Setup -- 14.2.2 Laser Doppler Vibrometer (LDV) Setup -- 14.3 Results -- 14.3.1 DIC Full-Field Modal Analysis and Damage Detection -- 14.3.2 Damage Detection with Nonlinear Analysis -- 14.3.3 Damage Detection with ML Techniques -- 14.4 Conclusions -- References -- 15 Localisation of Sonic Sources on a Contemporary Violin Made on a Guarneri del Gesù Model -- 15.1 Introduction -- 15.2 Sound Source Localisation Methods -- 15.3 Experimental Setup -- 15.4 Sound Source Localisation -- 15.4.1 Localisation of Sound Sources -- 15.4.2 Structural Mode Shape Qualitative Analysis -- 15.5 Conclusion -- References. |
Record Nr. | UNINA-9910627272803321 |
Cham, Switzerland : , : Springer, , [2023] | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
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Sensors and Instrumentation, Aircraft/Aerospace and Energy Harvesting , Volume 8 : Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018 / / edited by Evro Wee Sit, Chad Walber, Patrick Walter, Alfred Wicks, Steve Seidlitz |
Edizione | [1st ed. 2019.] |
Pubbl/distr/stampa | Cham : , : Springer International Publishing : , : Imprint : Springer, , 2019 |
Descrizione fisica | 1 online resource (VIII, 164 p. 144 illus., 129 illus. in color.) |
Disciplina | 624.171 |
Collana | Conference Proceedings of the Society for Experimental Mechanics Series |
Soggetto topico |
Aerospace engineering
Astronautics Vibration Dynamical systems Dynamics Energy harvesting Energy systems Aerospace Technology and Astronautics Vibration, Dynamical Systems, Control Energy Harvesting Energy Systems |
ISBN | 3-319-74642-1 |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto | Chapter 1. Broadband Energy Harvesting Performance of a Piezoelectrically Generated Bistable Laminate -- Chapter 2. Performance Assessment of Several Low-Cost Consumer-Grade Analog-to-Digital Conversion Devices -- Chapter 3. High-g Shock Acceleration Measurement using Martlet Wireless Sensing System -- Chapter 4. Effect of Piezoelectric Material in Mitigation of Aerodynamic Forces -- Chapter 5. A Theoretical Description of a Multi-source Energy Harvester -- Chapter 6. Lumped Mass Model of a 1D Metastructure with Vibration Absorbers with Varying Mass -- Chapter 7. Dynamic Behavior and Performance Analysis of Piezoelastic Energy Harvesters Under Model and Parameter Uncertainties -- Chapter 8. Experimental Test of Spacecraft Parachute Deployment using Real-Time Hybrid Substructuring -- Chapter 9. Experimental and Analytical Approaches in a Virtual Shaker Testing Simulation Environment for Numerical Prediction of a Spacecraft Vibration Test -- Chapter 10. Direct Reference-free Dynamic Deflection Measurement of Railroad Bridge under Service Load -- Chapter 11. A Low-Cost Modular Impact-Based Experimental Setup for Evaluation of EMI Based Structural Health Monitoring at High Rates -- Chapter 12. Real-time Low-cost Wireless Reference-free Displacement Sensing of Railroad Bridges -- Chapter 13. Multi-tonal Based Impedance Measurements for Microsecond State Detection -- Chapter 14. Design and Installation Considerations of Dynamic Strain Gages for Thermo-Acoustic Aerospace Structures Test -- Chapter 15. TESS Vibration Testing: A Boundary Condition Case Study -- Chapter 16. Performing a Large-Scale Modal Test on the B2 Stand Crane at NASA’s Stennis Space Center -- Chapter 17. Study on the Soft Suspension Behavior for Aircraft Ground Vibration Test Set-up -- Chapter 18. A Review of the Vibration Environment Onboard Small Unmanned Aircraft. |
Record Nr. | UNINA-9910337659303321 |
Cham : , : Springer International Publishing : , : Imprint : Springer, , 2019 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|
Sensors and instrumentation, aircraft/aerospace, energy harvesting & dynamic environments testing . Volume 7 Proceedings of the 39th IMAC, a conference and exposition on structural dynamics 2021 / / Chad Walber, Matthew Stefanski, Steve Seidlitz, Editors |
Pubbl/distr/stampa | Cham, Switzerland : , : Springer, , [2021] |
Descrizione fisica | 1 online resource (250 pages) |
Disciplina | 629.1 |
Collana | Conference proceedings of the Society for Experimental Mechanics series, 39th Conference |
Soggetto topico | Aerospace engineering |
ISBN | 3-030-75988-1 |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Altri titoli varianti | Sensors and instrumentation, aircraft/aerospace, energy harvesting and dynamic environments testing |
Record Nr. | UNINA-9910522958303321 |
Cham, Switzerland : , : Springer, , [2021] | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
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Sensors and Instrumentation, Aircraft/Aerospace, Energy Harvesting & Dynamic Environments Testing, Volume 7 : Proceedings of the 37th IMAC, A Conference and Exposition on Structural Dynamics 2019 / / edited by Chad Walber, Patrick Walter, Steve Seidlitz |
Edizione | [1st ed. 2020.] |
Pubbl/distr/stampa | Cham : , : Springer International Publishing : , : Imprint : Springer, , 2020 |
Descrizione fisica | 1 online resource (405 pages) |
Disciplina | 624.171 |
Collana | Conference Proceedings of the Society for Experimental Mechanics Series |
Soggetto topico |
Aerospace engineering
Astronautics Energy harvesting Electronics Microelectronics Physical measurements Measurement Aerospace Technology and Astronautics Energy Harvesting Electronics and Microelectronics, Instrumentation Measurement Science and Instrumentation |
ISBN | 3-030-12676-5 |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto | Chapter1: Historical Review of “Building Block Approach” in Validation for Human Space Flight -- Chapter2: Analytically Investigating Impedence-Matching Test Fixtures -- Chapter3: Harmonic Forcing of Damped Non-homogeneous Elastic Rods -- Chapter4: Effects of Multi-Axial versus Single-Axial Excitation of Jointed Systems -- Chapter5: Quantifying the Effect of Component Inertial Properties on System Level Dynamics -- Chapter6: A Method for Determining Impact Force for Single and Tri Axis Resonant Plate Shock Simulations -- Chapter7: Non-stationarity and non-Gaussianity in Vibration Fatigue -- Chapter8: Use of Topology Optimization to Design Shock and Vibration Test Fixtures -- Chapter9: Electromechanical Impedance Method for Applications in Boundary Condition Replication -- Chapter10: Latest Design Trends in Modal Accelerometers for Aircraft Ground Vibration Testing -- Chapter11: Test-Based Uncertainty Quantification and Propagation using Hurty/Craig-Bampton Substructure Representations -- Chapter12: Accumulated Lifetimes in Single-Axis Vibration Testing -- Chapter13: Instrumentation and Data Acquisition Mistakes in a Structural Dynamic Facility and How to Learn from Them -- Chapter14: Adaptive Multi-modal Tuned Mass Dampers Based on Shape Memory Alloys: Design and Validation -- Chapter15: Application of Transfer Path Analysis Techniques to the Boundary Condition Challenge Problem -- Chapter16: Testing Summary for the Box Assembly with Removable Component Structure -- Chapter17: Comparison of Multi-Axis Testing of the BARC Structure with Varying Boundary Conditions -- Chapter18: Strategies for Shaker Placement for Impedance-Matched Multi-Axis Testing -- Chapter19: Comparison of Vibration Comfort Criteria by Controlled Field Tests on An Existing Long-span Floor -- Chapter20: Flight Environments Demonstrator: Part III – Sensitivity of Expansion to Model Accuracy -- Chapter21: Force Estimation Methods and Numerical Corrections for IMMAT Test Design -- Chapter22: Input Signal Synthesis for Open-loop Multiple-input/Multiple-output Testing -- Chapter23: Combining Test and Simulation to Tackle the Challenges Derived from Boundary Conditions Mismatches in Environmental Testing -- Chapter24: Defining Component Environments and Margin through Zemblanic Consideration of Function Spaces -- Chapter25: European Service Module - Structural Test Article (E-STA) Building Block Test Approach and Model Correlation Observations -- Chapter26: Control of Plate Vibrations with Artificial Neural Networks and Piezoelectricity -- Chapter27: Comparing Fixed-Base and Shaker Table Model Correlation Methods using Jim Beam -- Chapter28: Vibration Reduction for Camera Systems Onboard Small Unmanned Aircraft -- Chapter29: Flight Environments Demonstrator: Part I – Experiment Design & Test Planning -- Chapter30: Replicating Responses: Environmental Testing of Unknown Boundary Conditions -- Chapter31: An Approach to Component Testing: An Analytical Study -- Chapter32: Issues in Laboratory Simulation of Field Vibration Data: Experimental Results of a Typical Structure -- Chapter33: Clamping Force Effects on the Performance of Mechanically Attached Piezoelectric Transducers for Impedance-Based NDE -- Chapter34: Data Based Modeling of Aero Engine Vibration Responses -- Chapter35: Experimental Mode Verification (EMV) using Left-Hand Eigenvectors -- Chapter36: Understanding Multi-Axis Resonant Plate Shock Response -- Chapter37: Generating Anechoic Traveling Wave in Beams with Various Boundary Conditions -- Chapter38: Flexible Data Acquisition System Design and Architecture for a Multi-force Testing Facility -- Chapter39: Monitoring of Environmental and Sound-induced Vibrations on Artistic Stained Glasses -- Chapter40: Sensitivity Study of BARC Assembly. |
Record Nr. | UNINA-9910366601003321 |
Cham : , : Springer International Publishing : , : Imprint : Springer, , 2020 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
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Sensors and instrumentation, aircraft/aerospace, energy harvesting & dynamic environments testing. Volume 7 : proceedings of the 38th IMAC, a conference and exposition on structural dynamics 2020 / / Chad Walber; Patrick L Walter; Steve Seidlitz |
Edizione | [1st ed. 2021.] |
Pubbl/distr/stampa | Cham, Switzerland : , : Springer, , [2021] |
Descrizione fisica | 1 online resource (VIII, 278 p. 278 illus., 259 illus. in color.) |
Disciplina | 624.171 |
Collana | Conference Proceedings of the Society for Experimental Mechanics Series |
Soggetto topico |
Sensor networks
Energy harvesting Structural dynamics |
ISBN | 3-030-47713-4 |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910483414603321 |
Cham, Switzerland : , : Springer, , [2021] | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
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Sensors and Instrumentation, Volume 5 : Proceedings of the 35th IMAC, A Conference and Exposition on Structural Dynamics 2017 / / edited by Evro Wee Sit, Chad Walber, Patrick Walter, Steve Seidlitz |
Edizione | [1st ed. 2017.] |
Pubbl/distr/stampa | Cham : , : Springer International Publishing : , : Imprint : Springer, , 2017 |
Descrizione fisica | 1 online resource (VII, 109 p. 92 illus., 84 illus. in color.) |
Disciplina | 620.1 |
Collana | Conference Proceedings of the Society for Experimental Mechanics Series |
Soggetto topico |
Mechanics, Applied
Acoustical engineering Materials - Analysis Engineering Mechanics Engineering Acoustics Characterization and Analytical Technique |
ISBN | 3-319-54987-1 |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto | Chapter1. Controlling Uncertainty in Hydraulic Drive Systems by Means of a Soft Sensor Network -- Chapter2. Non-linearity Identification of Composite Material by Scalable Impact Modal Testing -- Chapter3. Estimation of the Dynamic Focused Ultrasound Radiation Force Generated by an Ultrasonic Transducer -- Chapter4. Automated Vision-Based Loosened Bolt Detection Using the Cascade Detector -- Chapter5. Comparison of Nonlinear System Identification Methods for Free Decay Measurements with Application to MEMS Devices -- Chapter6. Vibro-acoustic Noise Analysis of a Washing Machine -- Chapter7. An Indicator Sensor Criterium for In-Situ Characterisation of Source Vibrations -- Chapter8. Experimental Study on Wireless Mobile Sensor Configurations for Output-Only Modal Identification of a Beam Testbed -- Chapter9. Trajectory Identification of a Reciprocating Drill for Geological Inspections -- Chapter10. Predicting Flight Environments with a Small-Scale Direct-Field Acoustic Test Facility -- Chapter11. Two-Year Operational Evaluation of a Consumer Electronics-Based Data Acquisition System for Equipment Monitoring. |
Record Nr. | UNINA-9910254334703321 |
Cham : , : Springer International Publishing : , : Imprint : Springer, , 2017 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
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