top

  Info

  • Utilizzare la checkbox di selezione a fianco di ciascun documento per attivare le funzionalità di stampa, invio email, download nei formati disponibili del (i) record.

  Info

  • Utilizzare questo link per rimuovere la selezione effettuata.
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
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
Opac: Controlla la disponibilità qui
Sensors and Instrumentation, Aircraft/Aerospace and Energy Harvesting , Volume 8 [[electronic resource] ] : 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
Sensors and Instrumentation, Aircraft/Aerospace and Energy Harvesting , Volume 8 [[electronic resource] ] : 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
Opac: Controlla la disponibilità qui
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
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
Opac: Controlla la disponibilità qui
Sensors and Instrumentation, Aircraft/Aerospace, Energy Harvesting & Dynamic Environments Testing, Volume 7 [[electronic resource] ] : Proceedings of the 37th IMAC, A Conference and Exposition on Structural Dynamics 2019 / / edited by Chad Walber, Patrick Walter, Steve Seidlitz
Sensors and Instrumentation, Aircraft/Aerospace, Energy Harvesting & Dynamic Environments Testing, Volume 7 [[electronic resource] ] : 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
Opac: Controlla la disponibilità qui
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
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
Opac: Controlla la disponibilità qui
Sensors and Instrumentation, Volume 5 [[electronic resource] ] : Proceedings of the 35th IMAC, A Conference and Exposition on Structural Dynamics 2017 / / edited by Evro Wee Sit, Chad Walber, Patrick Walter, Steve Seidlitz
Sensors and Instrumentation, Volume 5 [[electronic resource] ] : 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
Mechanics, Applied
Acoustical engineering
Materials science
Theoretical and Applied Mechanics
Engineering Acoustics
Characterization and Evaluation of Materials
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
Opac: Controlla la disponibilità qui