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ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems

September 19–21, 2012

Stone Mountain, Georgia, USA

Conference Sponsors:

ISBN:

978-0-7918-4509-7

In This Volume

Development and Characterization of Multifunctional Materials (32)
Modeling, Simulation and Control of Adaptive Systems (38)
Structural Health Monitoring (44)

Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring

Development and Characterization of Multifunctional Materials

Wave Propagation in Periodic Piezoelectric Elastic Waveguides

D. G. Piliposyan, K. B. Ghazaryan, G. T. Piliposian, A. S. Avetisyan

SMASIS 2012; 1-9https://doi.org/10.1115/SMASIS2012-7911

Abstract

View Articletitled, Wave Propagation in Periodic Piezoelectric Elastic Waveguides

PDF

Topics: Wave propagation , Waveguides , Waves , Acoustics , Energy gap , Piezoelectricity , Crystals , Shear (Mechanics)

Functional Silver Nanoink for Direct Write Applications

Zongwu Bai, Garth B. Wilks, Gyaneshwar P. Tandon, Brandon J. Yocum, Ryan S. Justice

SMASIS 2012; 11-17https://doi.org/10.1115/SMASIS2012-7922

Abstract

View Articletitled, Functional Silver Nanoink for Direct Write Applications

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Topics: Silver , Nanoparticles , Inks , Polymers , Dynamic light scattering , Aerosols , Composite materials , Electrical conductivity , Electrical resistivity , Failure

Processing and Characterization of Novel Bismaleimide-Based Shape Memory Polymer Composites

G. P. Tandon, T. Gibson, J. Shumaker, R. Coomer, J. Baur, R. S. Justice

SMASIS 2012; 19-25https://doi.org/10.1115/SMASIS2012-7936

Abstract

View Articletitled, Processing and Characterization of Novel Bismaleimide-Based Shape Memory Polymer Composites

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Topics: Composite materials , Shape memory polymers , Resins , Cycles , Temperature , Textiles , Viscosity , Carbon , Differential scanning calorimetry , Fracture toughness

Solvent Induced Shape Memory Behaviour of Sulfonated Poly Ether Ether Ketone (SPEEK)

V. S. Anand, K. V. Vimal, Susy Varughese

SMASIS 2012; 27-34https://doi.org/10.1115/SMASIS2012-7968

Abstract

View Articletitled, Solvent Induced Shape Memory Behaviour of Sulfonated Poly Ether Ether Ketone (SPEEK)

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Topics: Ethers (Class of compounds) , Shapes , Polymers , Proton exchange membranes , Temperature , Shape memory effects , Actuators , Biomedicine , Fuel cells , Geometry

Evaluation of Encapsulated IPMC Sensor Based on Thick Parylene Coating

Hong Lei, Wen Li, Guoming Zhu, Xiaobo Tan

SMASIS 2012; 35-42https://doi.org/10.1115/SMASIS2012-7975

Abstract

View Articletitled, Evaluation of Encapsulated IPMC Sensor Based on Thick Parylene Coating

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Topics: Coating processes , Sensors , Water , Polymers , Water absorption , Composite materials , Manufacturing , Metals , Stability

The Application of Multiwall Carbon Nano-Tubes/Polypyrrole Composite Electrode in Flexible Energy Storage System for Electronic Textile and Wearable Electronics

Ka Yeung Terence Lee, Hani Naguib, Keryn Lian, Elaine Biddiss

SMASIS 2012; 43-48https://doi.org/10.1115/SMASIS2012-7986

Abstract

View Articletitled, The Application of Multiwall Carbon Nano-Tubes/Polypyrrole Composite Electrode in Flexible Energy Storage System for Electronic Textile and Wearable Electronics

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Topics: Carbon , Composite materials , Electrodes , Electronics , Energy storage , Nanotubes , Textiles , Multi-walled carbon nanotubes , Electrical properties , Electrons

Piezoelectric-Property Adjustment of Cellular Ferroelectrets by Foam-Structure and Geometry Variations

Martynas Sborikas, Michael Wegener

SMASIS 2012; 49-53https://doi.org/10.1115/SMASIS2012-8002

Abstract

View Articletitled, Piezoelectric-Property Adjustment of Cellular Ferroelectrets by Foam-Structure and Geometry Variations

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Topics: Actuators , Geometry , Piezoelectric materials , Polymer films , Polypropylene film , Resonance , Sensors , Stiffness , Transducers , Ultrasonic transducers

Air-Brushed Carbon Nanotube (CNT) and Inkjet-Printed Silver and PEDOT:PSS Layer as Alternative Electrodes for Piezoelectric Polymer Transducer

Sven-Oliver Seidel, Bert Fischer, Nicole Stahlberg, Michael Wegener

SMASIS 2012; 55-61https://doi.org/10.1115/SMASIS2012-8004

Abstract

View Articletitled, Air-Brushed Carbon Nanotube (CNT) and Inkjet-Printed Silver and PEDOT:PSS Layer as Alternative Electrodes for Piezoelectric Polymer Transducer

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Topics: Carbon nanotubes , Electrodes , Polymers , Silver , Transducers , Inks , Printing , Carbon , Composite materials , Electrical conductivity

Vibration Sensing and Energy Harvesting Using Ultra-Long Vertically Aligned Array of Barium Titanate Nanowires

Aneesh Koka, Henry A. Sodano

SMASIS 2012; 63-68https://doi.org/10.1115/SMASIS2012-8009

Abstract

View Articletitled, Vibration Sensing and Energy Harvesting Using Ultra-Long Vertically Aligned Array of Barium Titanate Nanowires

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Topics: Energy harvesting , Nanowires , Vibration , Sensors , Cantilevers , Electrodes , Energy conversion , Excitation

Synthesis and Characterization of PVDF-Based SWNT/GO Hybrid Films

Nirmal Shankar Sigamani, Zoubeida Ounaies, Henry Sodano

SMASIS 2012; 69-74https://doi.org/10.1115/SMASIS2012-8021

Abstract

View Articletitled, Synthesis and Characterization of PVDF-Based SWNT/GO Hybrid Films

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Topics: Single-walled nanotubes , Nanocomposites , Polymers , Dielectric losses , Electrical conductivity , Graphene , Single-walled carbon nanotubes , Storage , Temperature

Electrospinning and Characterization of Nafion Nanofiber Membranes

Fenghua Zhang, Zhichun Zhang, Yanju Liu, Jinsong Leng

SMASIS 2012; 75-79https://doi.org/10.1115/SMASIS2012-8030

Abstract

View Articletitled, Electrospinning and Characterization of Nafion Nanofiber Membranes

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Topics: Electrospinning , Membranes , Nanofibers , Electrodes , Separation (Technology) , Glass transition , Rotation , Scanning electron microscopy , Thermal stability , Viscosity

Miniaturization of QR Code Carriers Based on Shape Memory Polymer

Nikolaus Fritzsche, Thorsten Pretsch

SMASIS 2012; 81-88https://doi.org/10.1115/SMASIS2012-8036

Abstract

View Articletitled, Miniaturization of QR Code Carriers Based on Shape Memory Polymer

PDF

Topics: Shape memory polymers , Cooling , Diffusion (Physics) , Dyeing , Elongation , Engineering prototypes , Ester , Geometry , Heating , Lasers

Durability of QR Code Carriers Based on Shape Memory Polymer

Melanie Ecker, Thorsten Pretsch

SMASIS 2012; 89-96https://doi.org/10.1115/SMASIS2012-8038

Abstract

View Articletitled, Durability of QR Code Carriers Based on Shape Memory Polymer

PDF

Topics: Computer programming , Diffusion (Physics) , Durability , Ester , Lasers , Shape memory polymers , Shapes , Stability , Thermomechanics , Urethane elastomers

On the Properties of Ni-Rich NiTi Shape Memory Parts Produced by Selective Laser Melting

Christoph Haberland, Horst Meier, Jan Frenzel

SMASIS 2012; 97-104https://doi.org/10.1115/SMASIS2012-8040

Abstract

View Articletitled, On the Properties of Ni-Rich NiTi Shape Memory Parts Produced by Selective Laser Melting

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Topics: Lasers , Melting , Nickel titanium alloys , Shapes , Additive manufacturing , Pseudoelasticity , Heat , Manufacturing , Martensitic transformations , Mechanical properties

New Ferromagnetic Shape Memory Alloy Production and Actuator Concepts

Emmanouel Pagounis, Markus Laufenberg

SMASIS 2012; 105-109https://doi.org/10.1115/SMASIS2012-8042

Abstract

View Articletitled, New Ferromagnetic Shape Memory Alloy Production and Actuator Concepts

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Topics: Actuators , Shape memory alloys , Alloys , Sensors , Automotive industry , Crystals , Electromagnetic actuators , Engineering prototypes , Machinery , Magnetic fields

Towards Hyper-Redundant and Super-Configurable Articulated Structures

John P. Swensen, Aaron M. Dollar

SMASIS 2012; 111-116https://doi.org/10.1115/SMASIS2012-8069

Abstract

View Articletitled, Towards Hyper-Redundant and Super-Configurable Articulated Structures

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Topics: Composite materials , Damping , Design , Electric potential , Energy dissipation , Failure , Heating , Materials properties , Nickel titanium alloys , Shape memory alloys

Experimental Optimization of Electrode Composition for Ionic Polymer Transducers in Sensing

Bilge Kocer, Lisa Mauck Weiland

SMASIS 2012; 117-121https://doi.org/10.1115/SMASIS2012-8070

Abstract

View Articletitled, Experimental Optimization of Electrode Composition for Ionic Polymer Transducers in Sensing

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Topics: Electrodes , Optimization , Polymers , Transducers , Sensors , Displacement , Manufacturing , Metallic composites , Ruthenium , Smart materials

Clarifying the Carbon Nanotube Actuation Mechanism: An Experimental Approach

Sebastian M. Geier, Stephan Müller, Thorsten Mahrholz, Peter Wierach, Johannes Riemenschneider, Michael Sinapius

SMASIS 2012; 123-132https://doi.org/10.1115/SMASIS2012-8072

Abstract

View Articletitled, Clarifying the Carbon Nanotube Actuation Mechanism: An Experimental Approach

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Topics: Carbon nanotubes , Architecture , Carbon , Strain measurement

Ceramic Siloxane Composite as a Future Elastomer Dielectric for Micro-Actuator Realization

Sofiane Soulimane, Wen-Pin Shih, Marc Vedrenne, Henri Camon

SMASIS 2012; 133-137https://doi.org/10.1115/SMASIS2012-8085

Abstract

View Articletitled, Ceramic Siloxane Composite as a Future Elastomer Dielectric for Micro-Actuator Realization

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Topics: Ceramics , Composite materials , Elastomers , Microactuators , Siloxanes , Electrical properties , Actuators , Nanoparticles , Electrodes , Plasma desorption mass spectrometry

Micromechanics Modeling of Multiphase Piezoelectric Composites

Mohammad H. Malakooti, Henry A. Sodano

SMASIS 2012; 139-148https://doi.org/10.1115/SMASIS2012-8100

Abstract

View Articletitled, Micromechanics Modeling of Multiphase Piezoelectric Composites

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Topics: Composite materials , Micromechanics (Engineering) , Modeling , Computer software , Design , Engineering simulation , Fibers , Finite element analysis , Finite element model , Multifunctional materials

Fracture Modeling of an Embedded Crack in Self-Healing Polymers

Mohammad H. Malakooti, Henry A. Sodano

SMASIS 2012; 149-155https://doi.org/10.1115/SMASIS2012-8103

Abstract

View Articletitled, Fracture Modeling of an Embedded Crack in Self-Healing Polymers

PDF

Topics: Fracture (Materials) , Modeling , Polymers , Stress , Finite element analysis , Crack propagation , Damage , Deflection , Glass transition , Shape memory polymers

Characterization of Ferroelectric Single Crystals With Field Induced Phase Transformations

John A. Gallagher, Christopher S. Lynch

SMASIS 2012; 157-161https://doi.org/10.1115/SMASIS2012-8126

Abstract

View Articletitled, Characterization of Ferroelectric Single Crystals With Field Induced Phase Transformations

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Topics: Crystals , Phase transitions , Cycles , Displacement , Stress , Electric fields , Ferroelectric crystals , Strain measurement , Temperature

Back-Relaxation of Carbon-Based Ionic Electroactive Polymer Actuators

Veiko Vunder, Andres Punning, Alvo Aabloo

SMASIS 2012; 163-168https://doi.org/10.1115/SMASIS2012-8127

Abstract

View Articletitled, Back-Relaxation of Carbon-Based Ionic Electroactive Polymer Actuators

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Topics: Actuators , Carbon , Conducting polymers , Relaxation (Physics) , Water , Electrodes , Electrolytes , Leakage , Polymers , Shapes

Design of a Morphing Skin by Optimizing a Honeycomb Structure With a Two-Phase Material Infill

John Puttmann, Richard Beblo, James Joo, Brian Smyers, Gregory Reich

SMASIS 2012; 169-175https://doi.org/10.1115/SMASIS2012-8131

Abstract

View Articletitled, Design of a Morphing Skin by Optimizing a Honeycomb Structure With a Two-Phase Material Infill

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Topics: Design , Honeycomb structures , Skin , Deflection , Stiffness , Young's modulus , Geometry , Weight (Mass) , Composite materials , Engineers

Actuation Behavior in Patterned Magnetorheological Elastomers: Simulation, Experiment, and Modeling

Paris von Lockette

SMASIS 2012; 177-184https://doi.org/10.1115/SMASIS2012-8143

Abstract

View Articletitled, Actuation Behavior in Patterned Magnetorheological Elastomers: Simulation, Experiment, and Modeling

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Topics: Elastomers , Modeling , Simulation experiments , Shear (Mechanics) , Particulate matter , Engineering simulation , Magnetic fields , Silicones , Simulation , Anisotropy

Tunable Band-Pass Filters Employing Stretchable Electronic Components

Geoffrey A. Slipher, Randy A. Mrozek, Justin L. Shumaker

SMASIS 2012; 185-192https://doi.org/10.1115/SMASIS2012-8148

Abstract

View Articletitled, Tunable Band-Pass Filters Employing Stretchable Electronic Components

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Topics: Electronic components , Filters , Circuits , Capacitance , Army , Capacitors , Inductors , Resistors

Experimental Validation of Simultaneous Gust Alleviation and Energy Harvesting for Multifunctional Composite Wing Spars

Ya Wang, Daniel J. Inman

SMASIS 2012; 193-200https://doi.org/10.1115/SMASIS2012-8176

Abstract

View Articletitled, Experimental Validation of Simultaneous Gust Alleviation and Energy Harvesting for Multifunctional Composite Wing Spars

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Topics: Composite materials , Energy harvesting , Wing spars , Unmanned aerial vehicles , Weight (Mass) , Actuators , Aerospace industry , Aerospace systems , Cantilevers , Control equipment

Characterization of a Porous Multifunctional Nanocomposite for Pressure Sensing

Reza Rizvi, Hani Naguib, Elaine Biddiss

SMASIS 2012; 201-206https://doi.org/10.1115/SMASIS2012-8178

Abstract

View Articletitled, Characterization of a Porous Multifunctional Nanocomposite for Pressure Sensing

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Topics: Nanocomposites , Pressure , Multi-walled nanotubes , Calorimetry , Carbon nanotubes , Composite materials , Elastomers , Electrical conductivity , Extruding , Imaging

In-Plane Field Propagation in EAP Transducers Based on the Equivalent Network Method

Christian Graf, Jürgen Maas

SMASIS 2012; 207-212https://doi.org/10.1115/SMASIS2012-8180

Abstract

View Articletitled, In-Plane Field Propagation in EAP Transducers Based on the Equivalent Network Method

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Topics: Actuators , Conducting polymers , Design , Electrical conductivity , Electrical properties , Electrical resistivity , Electrodes , Energy conversion , Generators , Polymers

Modelling of the Structure-Property Relationships in Auxetic Nanotube

Yongtao Yao, Andrew Alderson, Kim Lesley Alderson, Jinsong Leng

SMASIS 2012; 213-217https://doi.org/10.1115/SMASIS2012-8194

Abstract

View Articletitled, Modelling of the Structure-Property Relationships in Auxetic Nanotube

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Topics: Modeling , Nanotubes , Honeycomb structures , Single-walled nanotubes , Deformation , Geometry , Poisson ratio , Stress , Young's modulus

Load-Initiated Two-Way Effect of Shape Memory Alloys in Composite Structures and a Phenomenological Modelling Approach

Martin Gurka, Moritz Hübler, Sebastian Schmeer, Ulf Paul Breuer

SMASIS 2012; 219-225https://doi.org/10.1115/SMASIS2012-8195

Abstract

View Articletitled, Load-Initiated Two-Way Effect of Shape Memory Alloys in Composite Structures and a Phenomenological Modelling Approach

PDF

Topics: Composite materials , Modeling , Shape memory alloys , Stress , Active materials , Design , Finite element model , Shapes , Stiffness

Analysis of Shape Memory Polymer-Alloy Composites: Modeling and Parametric Studies

Jungkyu Park, Leon M. Headings, Marcelo J. Dapino, Jeffery W. Baur, Gyaneshwar P. Tandon

SMASIS 2012; 227-236https://doi.org/10.1115/SMASIS2012-8257

Abstract

View Articletitled, Analysis of Shape Memory Polymer-Alloy Composites: Modeling and Parametric Studies

PDF

Topics: Composite materials , Modeling , Plastic compounds , Shape memory alloys , Shape memory polymers , Shapes , Stress

Modeling, Simulation and Control of Adaptive Systems

Elastic Compensation of Linear Shape Memory Alloy Actuators Using Compliant Mechanisms

Giovanni Scirè Mammano, Eugenio Dragoni

SMASIS 2012; 237-246https://doi.org/10.1115/SMASIS2012-7906

Abstract

View Articletitled, Elastic Compensation of Linear Shape Memory Alloy Actuators Using Compliant Mechanisms

PDF

Topics: Actuators , Compliant mechanisms , Shape memory alloys , Buckling , Engineering design , Engineering prototypes , Experimental characterization , Finite element model , Manufacturing

Energy Harvesting Under Combined Aerodynamic and Base Excitations

Amin Bibo, Mohammed F. Daqaq

SMASIS 2012; 247-257https://doi.org/10.1115/SMASIS2012-7908

Abstract

View Articletitled, Energy Harvesting Under Combined Aerodynamic and Base Excitations

PDF

Topics: Energy harvesting , Excitation , Flutter (Aerodynamics) , Manifolds

Adaptive Control of Nonminimum Phase Systems Using Sensor Blending With Application to Launch Vehicle Control

Mark J. Balas

SMASIS 2012; 259-270https://doi.org/10.1115/SMASIS2012-7921

Abstract

View Articletitled, Adaptive Control of Nonminimum Phase Systems Using Sensor Blending With Application to Launch Vehicle Control

PDF

Topics: Adaptive control , Sensors , Vehicles , Control equipment , Dynamics (Mechanics) , Fractals , Sloshing , Filters , Pendulums , Control algorithms

Robust Adaptive Control of Mildly Nonlinear Systems With Time Varying Input/Output Delays

James P. Nelson, Mark J. Balas, Richard S. Erwin

SMASIS 2012; 271-279https://doi.org/10.1115/SMASIS2012-7924

Abstract

View Articletitled, Robust Adaptive Control of Mildly Nonlinear Systems With Time Varying Input/Output Delays

PDF

Topics: Adaptive control , Delays , Nonlinear systems , Control equipment , Robustness

A Hybrid Master-Slave Genetic Algorithm-Neural Network Approach for Modeling a Piezoelectric Actuator

Mohamed B. Trabia, Mohammad Y. Saadeh

SMASIS 2012; 281-294https://doi.org/10.1115/SMASIS2012-7925

Abstract

View Articletitled, A Hybrid Master-Slave Genetic Algorithm-Neural Network Approach for Modeling a Piezoelectric Actuator

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Topics: Actuators , Algorithms , Bonding , Composite materials , Damping , Dynamic models , Dynamics (Mechanics) , Fibers , Genetic algorithms , Modeling

Indirect Intelligent Sliding Mode Control Using Hysteretic Recurrent Neural Networks With Application to a Shape Memory Alloy Actuated Beam

Jennifer C. Hannen, Gregory D. Buckner

SMASIS 2012; 295-303https://doi.org/10.1115/SMASIS2012-7930

Abstract

View Articletitled, Indirect Intelligent Sliding Mode Control Using Hysteretic Recurrent Neural Networks With Application to a Shape Memory Alloy Actuated Beam

PDF

Topics: Artificial neural networks , Shape memory alloys , Sliding mode control , Control equipment , Robustness , Tendons , Actuators , Temperature , Temperature control , Uncertainty

Shape Characterization of a Simply Supported Beam in Morphing

Amin Mohaghegh Motlagh, William W. Clark

SMASIS 2012; 305-310https://doi.org/10.1115/SMASIS2012-7938

Abstract

View Articletitled, Shape Characterization of a Simply Supported Beam in Morphing

PDF

Topics: Shapes , Simply supported beams , Steady state

Modeling of Non-Monotonic Hysteresis Behavior in VO₂-Coated Microactuators

Jun Zhang, Emmanuelle Merced, Nelson Sepúlveda, Xiaobo Tan

SMASIS 2012; 311-320https://doi.org/10.1115/SMASIS2012-7940

Abstract

View Articletitled, Modeling of Non-Monotonic Hysteresis Behavior in VO<sub>2</sub>-Coated Microactuators

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Topics: Microactuators , Modeling , Phase transitions , Actuators , Cantilevers , Physics , Silicon , Temperature , Thermal expansion

Homogenized Energy Model and Markov Chain Monte Carlo Simulations for Macro Fiber Composites Operating in Broadband Regimes

Zhengzheng Hu, Ralph C. Smith, Nathanial Burch, Michael Hays, William S. Oates

SMASIS 2012; 321-327https://doi.org/10.1115/SMASIS2012-7942

Abstract

View Articletitled, Homogenized Energy Model and Markov Chain Monte Carlo Simulations for Macro Fiber Composites Operating in Broadband Regimes

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Topics: Chain , Composite materials , Engineering simulation , Fibers , Simulation , Actuators , Cantilever beams , Displacement , Optimization , Statistical distributions

Adaptive Disturbance Tracking Control With Wind Speed Reduced Order State Estimation for Region II Control of Large Wind Turbines

Kaman S. Thapa Magar, Mark J. Balas, Susan A. Frost

SMASIS 2012; 329-333https://doi.org/10.1115/SMASIS2012-7944

Abstract

View Articletitled, Adaptive Disturbance Tracking Control With Wind Speed Reduced Order State Estimation for Region II Control of Large Wind Turbines

PDF

Topics: State estimation , Tracking control , Wind turbines , Wind velocity , Control equipment , State feedback , Matlab , Offshore wind turbines , Renewable energy , Simulation results

Sliding Mode Control for Inverse Compensated Hysteretic Smart Systems

Jerry A. McMahan, Ralph C. Smith

SMASIS 2012; 335-344https://doi.org/10.1115/SMASIS2012-7945

Abstract

View Articletitled, Sliding Mode Control for Inverse Compensated Hysteretic Smart Systems

PDF

Topics: Actuators , Algorithms , Control equipment , Creep , Design , Errors , Modeling , Shape memory alloys , Sliding mode control , Trajectories (Physics)

Bimorph Piezoelectric Cymbal Design in Energy Harvesting

Changki Mo, Steve Jordan, William W. Clark

SMASIS 2012; 345-351https://doi.org/10.1115/SMASIS2012-7946

Abstract

View Articletitled, Bimorph Piezoelectric Cymbal Design in Energy Harvesting

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Topics: Design , Energy harvesting , Cavities , Circuits , Metals , Steel , Stress , Batteries , Capacitors , Composite materials

Analytical and Numerical Modelling of Shape Memory Alloy Negator Springs for Long-Stroke Constant-Force Actuators

Andrea Spaggiari, Eugenio Dragoni

SMASIS 2012; 353-361https://doi.org/10.1115/SMASIS2012-7964

Abstract

View Articletitled, Analytical and Numerical Modelling of Shape Memory Alloy Negator Springs for Long-Stroke Constant-Force Actuators

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Topics: Actuators , Modeling , Shape memory alloys , Springs , Finite element analysis , Mechanical behavior , Shapes , Strips , Computer software , Deflection

A Minimally Invasive Cage for Spinal Fusion Surgery Utilizing Superelastic Hinges

Walter Anderson, Cory Chapman, Zohreh Karbaschi, Mohammad Elahinia

SMASIS 2012; 363-372https://doi.org/10.1115/SMASIS2012-7973

Abstract

View Articletitled, A Minimally Invasive Cage for Spinal Fusion Surgery Utilizing Superelastic Hinges

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Topics: Hinges , Spinal fusion , Surgery , Annulus , Disks , ASTM International , Pressure , Safety , Shape memory alloys , Spinal implants

Finite Amplitude Underwater Flexural Vibrations of Cantilevers

Matteo Aureli, Maurizio Porfiri

SMASIS 2012; 373-381https://doi.org/10.1115/SMASIS2012-7985

Abstract

View Articletitled, Finite Amplitude Underwater Flexural Vibrations of Cantilevers

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Topics: Cantilevers , Vibration , Damping , Fluids , Oscillations , Cantilever beams , Computational fluid dynamics , Convection , Excitation , Flow (Dynamics)

Sliding Mode Control of the Human Vestibular System

Rachael McCarty, S. Nima Mahmoodi, Keith Williams

SMASIS 2012; 383-390https://doi.org/10.1115/SMASIS2012-7988

Abstract

View Articletitled, Sliding Mode Control of the Human Vestibular System

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Topics: Sliding mode control , Control equipment , Brain , Design , Ear , Errors , Signals , Transfer functions , Uncertainty

Development of Robust Control Algorithms for Shape Memory Alloy Bending Actuators

John H. Crews, Ralph C. Smith, Jennifer C. Hannen

SMASIS 2012; 391-400https://doi.org/10.1115/SMASIS2012-7989

Abstract

View Articletitled, Development of Robust Control Algorithms for Shape Memory Alloy Bending Actuators

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Topics: Actuators , Algorithms , Robust control , Shape memory alloys , Temperature , Control equipment , Sliding mode control , Parameter estimation , Uncertainty , Chain

Control of Oscillations of a Wing Subjected to 3D Unsteady Subsonic Aerodynamic Loads Using Piezoelectric Actuators

Tahereh Mirmohammadi, Arun K. Misra, Dan Mateescu

SMASIS 2012; 401-410https://doi.org/10.1115/SMASIS2012-7999

Abstract

View Articletitled, Control of Oscillations of a Wing Subjected to 3D Unsteady Subsonic Aerodynamic Loads Using Piezoelectric Actuators

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Topics: Oscillations , Piezoelectric actuators , Stress , Wings , Actuators , Cantilevers , Sensors , Feedback , Finite element analysis , Piezoelectric materials

Nonlinear Vibration Response of a Beam With a Breathing Crack

Gang Wang

SMASIS 2012; 411-418https://doi.org/10.1115/SMASIS2012-8016

Abstract

View Articletitled, Nonlinear Vibration Response of a Beam With a Breathing Crack

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Topics: Fracture (Materials) , Nonlinear vibration , Damage , Approximation , Computer simulation , Degrees of freedom , Electromagnetic weapons , Free vibrations , Vibration

Modeling of a Shape Memory Alloy Circular Bar Under Combined Axial-Torsional Loading

Masood Taheri Andani, Amin Alipour, Ahmadreza Eshghinejad, Mohammad Elahinia

SMASIS 2012; 419-427https://doi.org/10.1115/SMASIS2012-8017

Abstract

View Articletitled, Modeling of a Shape Memory Alloy Circular Bar Under Combined Axial-Torsional Loading

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Topics: Modeling , Shape memory alloys , Constitutive equations , Engineering simulation , Equilibrium (Physics) , Finite element analysis , Rods , Simulation

Investigations on the Amplitude-Dependent Damping Behavior of Superelastic Shape Memory Alloys

Jonas Böttcher, Marcus Neubauer, Jörg Wallaschek

SMASIS 2012; 429-435https://doi.org/10.1115/SMASIS2012-8044

Abstract

View Articletitled, Investigations on the Amplitude-Dependent Damping Behavior of Superelastic Shape Memory Alloys

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Topics: Damping , Shape memory alloys , Stress , Excitation , Approximation , Rheology , Signals , Deformation , Energy dissipation , Friction

An Efficient Computational Inverse Approach for Optimal Design of Localized Activation and Actuation for Morphing SMP Structures

Shuang Wang, John C. Brigham

SMASIS 2012; 437-446https://doi.org/10.1115/SMASIS2012-8050

Abstract

View Articletitled, An Efficient Computational Inverse Approach for Optimal Design of Localized Activation and Actuation for Morphing SMP Structures

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Topics: Design , Damage , Inverse problems , Optimization , Shapes , Structural elements (Construction) , Thermomechanics

Optimal Arrangement of Lead Zirconate Titanate (PZT) Actuators for Buckling Control of Cylindrical Shells

Jose Sandeep, C. Lakshmana Rao, Arun K. Tangirala

SMASIS 2012; 447-452https://doi.org/10.1115/SMASIS2012-8051

Abstract

View Articletitled, Optimal Arrangement of Lead Zirconate Titanate (PZT) Actuators for Buckling Control of Cylindrical Shells

PDF

Topics: Actuators , Buckling , Pipes , Stress , Load bearing capacity , Numerical analysis , Space frame structures , Aerospace industry , Compression , Displacement

Design and Characterization of a Soft Electroactive Adaptive Structure for Legged Robotic Motion

Jason Newton, Michael Hays, Jonathan Clark, William S. Oates

SMASIS 2012; 453-460https://doi.org/10.1115/SMASIS2012-8082

Abstract

View Articletitled, Design and Characterization of a Soft Electroactive Adaptive Structure for Legged Robotic Motion

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Topics: Adaptive structures , Design , Robotics , Stiffness , Dynamic response , Robots , Elastomers , Electric fields , Gears , Linkages

Model-Based Feedforward Control of a Robotic Manipulator With Pneumatic Artificial Muscles

Ryan M. Robinson, Norman M. Wereley, Curt S. Kothera

SMASIS 2012; 461-471https://doi.org/10.1115/SMASIS2012-8084

Abstract

View Articletitled, Model-Based Feedforward Control of a Robotic Manipulator With Pneumatic Artificial Muscles

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Topics: Feedforward control , Manipulators , Muscle , Control equipment , Actuators , Control algorithms , Design , Dynamics (Mechanics) , Air flow , Computer software

Full Electromechanical Optimization of Shunted Piezoelectric Patch for Controlling Elastodynamic Waves’ Power Flow

Flaviano Tateo, Tianli Huang

SMASIS 2012; 473-480https://doi.org/10.1115/SMASIS2012-8107

Abstract

View Articletitled, Full Electromechanical Optimization of Shunted Piezoelectric Patch for Controlling Elastodynamic Waves’ Power Flow

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Topics: Capacitance , Circuits , Design , Diffusion (Physics) , Elastic waves , Flow (Dynamics) , Optimization , Smart structures , Wave propagation , Waves

The Study of Fluid Structure Interactions of an Electroactive Membrane Wing

Michael R. Hays, Adam Hart, William S. Oates, Lawrence Ukeiley

SMASIS 2012; 481-487https://doi.org/10.1115/SMASIS2012-8125

Abstract

View Articletitled, The Study of Fluid Structure Interactions of an Electroactive Membrane Wing

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Topics: Fluid structure interaction , Membranes , Wings , Active materials , Flow (Dynamics) , Stress , Boundary layers , Chords (Trusses) , Deformation , Delays

The Homogenized Energy Model for Characterizing Magnetization and Strains in Ferromagnetic Materials

Lucus Van Blaircum, Ralph C. Smith

SMASIS 2012; 489-496https://doi.org/10.1115/SMASIS2012-8137

Abstract

View Articletitled, The Homogenized Energy Model for Characterizing Magnetization and Strains in Ferromagnetic Materials

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Topics: Ferromagnetic materials , Magnetization , Calibration , Creep , Domain structure (Ferromagnetism) , Real-time control

Implementation of a Variable Stiffness Actuator Based on Dielectric Elastomers: A Feasibility Study

Giovanni Berselli, Rocco Vertechy, Mitja Babič, Vincenzo Parenti Castelli

SMASIS 2012; 497-506https://doi.org/10.1115/SMASIS2012-8144

Abstract

View Articletitled, Implementation of a Variable Stiffness Actuator Based on Dielectric Elastomers: A Feasibility Study

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Topics: Actuators , Elastomers , Stiffness , Sensors , Accounting , Control algorithms , Control equipment , Deformation , Design , Force sensors

Predicting the Magneto-Mechanical Behavior of MSMAs Subject to Complex Load Paths

Heidi P. Feigenbaum, Constantin Ciocanel, Alex Waldauer

SMASIS 2012; 507-516https://doi.org/10.1115/SMASIS2012-8164

Abstract

View Articletitled, Predicting the Magneto-Mechanical Behavior of MSMAs Subject to Complex Load Paths

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Topics: Stress , Magnetic fields , Compressive stress , Calibration , Magnetization , Actuators , Shape memory alloys , Shape memory effects

Comparative Investigation of the Electroelastic Dynamics of Piezoceramics With Interdigitated and Uniform Electrodes

Martin Cacan, Alper Erturk

SMASIS 2012; 517-525https://doi.org/10.1115/SMASIS2012-8175

Abstract

View Articletitled, Comparative Investigation of the Electroelastic Dynamics of Piezoceramics With Interdigitated and Uniform Electrodes

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Topics: Dynamics (Mechanics) , Electrodes , Piezoelectric ceramics , Piezoelectricity , Cantilevers , Damping , Energy generation , Composite materials , Design , Electric power generation

Stable Bipedal Locomotion Using Biomimetic IPMC Actuators

Milad Hosseinipour, Mohammad Elahinia

SMASIS 2012; 527-536https://doi.org/10.1115/SMASIS2012-8191

Abstract

View Articletitled, Stable Bipedal Locomotion Using Biomimetic IPMC Actuators

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Topics: Actuators , Biomimetics , Finite element methods , Muscle , Composite materials , Displacement , Manufacturing , Metals , Microelectromechanical systems , Partial differential equations

Fluid-Structure Interaction Model of a Synthetic Jet Using Coupled Computational Fluid Dynamics and Finite Elements

Charles E. Seeley, Stan Weaver, Brian Rush

SMASIS 2012; 537-544https://doi.org/10.1115/SMASIS2012-8197

Abstract

View Articletitled, Fluid-Structure Interaction Model of a Synthetic Jet Using Coupled Computational Fluid Dynamics and Finite Elements

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Topics: Computational fluid dynamics , Finite element analysis , Fluid structure interaction , Fluids , Cooling , Design , Jets , Pressure , Deflection , Electronics

Force-Deflection Characteristics of SMA-Based Belleville Springs

Franco Furgiuele, Carmine Maletta, Emanuele Sgambitterra

SMASIS 2012; 545-551https://doi.org/10.1115/SMASIS2012-8203

Abstract

View Articletitled, Force-Deflection Characteristics of SMA-Based Belleville Springs

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Topics: Deflection , Springs , Computer simulation , Nickel titanium alloys , Stress , Thermomechanics , Computer software , Constitutive equations , Finite element analysis , Geometry

Numerical Investigation of the Response of Active Bend-Twist PZT Actuator

Jaret C. Riddick, Asha J. Hall, Oliver J. Myers

SMASIS 2012; 553-558https://doi.org/10.1115/SMASIS2012-8226

Abstract

View Articletitled, Numerical Investigation of the Response of Active Bend-Twist PZT Actuator

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Topics: Actuators , Wings , Excitation , Army , Degrees of freedom , Finite element analysis , Flight , Geometry , Oscillations , Vehicles

Piezoelectric Two Layer Plate for Position Stabilization

Martin Krause, Daniel Steinert, Eric Starke, Uwe Marschner, Günther Pfeifer, Wolf-Joachim Fischer

SMASIS 2012; 559-563https://doi.org/10.1115/SMASIS2012-8230

Abstract

View Articletitled, Piezoelectric Two Layer Plate for Position Stabilization

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Topics: Acoustics , Electromechanical systems , Finite element analysis , Network models , Optimization , Resonance , Simulation , Simulation results , Vibration

Determining Electromechanical Network Model Parameters of a Piezomagnetic Unimorph Structure With Finite-Element Simulations

Uwe Marschner, Eric Starke

SMASIS 2012; 565-569https://doi.org/10.1115/SMASIS2012-8232

Abstract

View Articletitled, Determining Electromechanical Network Model Parameters of a Piezomagnetic Unimorph Structure With Finite-Element Simulations

PDF

Topics: Engineering simulation , Finite element analysis , Network models , Simulation , Magnetic fields , Deflection , Transducers

Shape Memory Effect Behavior of NiTi Torque Tubes in Torsion

Reza Mehrabi, Mahmoud Kadkhodaei, Masood Taheri, Mohammad Elahinia

SMASIS 2012; 571-575https://doi.org/10.1115/SMASIS2012-8243

Abstract

View Articletitled, Shape Memory Effect Behavior of NiTi Torque Tubes in Torsion

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Topics: Nickel titanium alloys , Shape memory effects , Torque , Torsion , Constitutive equations , Stress , Shear (Mechanics) , Algorithms , Modeling , Rotation

Structural Health Monitoring

Comparison of Inverse Algorithms for Delamination Detection in Composite Laminates

Zhifang Zhang, Obinna Kenneth Ihesiulor, Krishna Shankar, Tapabrata Ray

SMASIS 2012; 577-585https://doi.org/10.1115/SMASIS2012-7904

Abstract

View Articletitled, Comparison of Inverse Algorithms for Delamination Detection in Composite Laminates

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Topics: Algorithms , Composite materials , Delamination , Laminates , Damage , Artificial neural networks , Errors , Inverse problems , Optimization , Vibration

Application of Singular Spectrum Analysis to Bridge Structure Health Monitoring and Damage Detection

Chin-Hsiung Loh, Shu-Hsien Chao

SMASIS 2012; 587-594https://doi.org/10.1115/SMASIS2012-7905

Abstract

View Articletitled, Application of Singular Spectrum Analysis to Bridge Structure Health Monitoring and Damage Detection

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Topics: Bridges (Structures) , Damage , Emission spectroscopy , Spectroscopy , Algorithms , Signals , System dynamics

Modelling of Mechanical Nonlinearity in an Electromagnetic Vibration Energy Harvester Using a Forced Duffing Equation

S. D. Moss, L. A. Vandewater, S. C. Galea

SMASIS 2012; 595-600https://doi.org/10.1115/SMASIS2012-7910

Abstract

View Articletitled, Modelling of Mechanical Nonlinearity in an Electromagnetic Vibration Energy Harvester Using a Forced Duffing Equation

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Topics: Energy harvesting , Modeling , Vibration , Ball bearings , Bearings , Engineering prototypes , Excitation , Frequency response , Permanent magnets , Resonance

Substructure Model Updating Through Iterative Convex Optimization

Dapeng Zhu, Yang Wang

SMASIS 2012; 601-607https://doi.org/10.1115/SMASIS2012-7915

Abstract

View Articletitled, Substructure Model Updating Through Iterative Convex Optimization

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Topics: Optimization , Finite element model , Algorithms , Computer simulation , Damage , Degrees of freedom , Dynamic response , Finite element analysis , Mode shapes , Springs

Wavelet-Based Online Evaluation and Classification of Wear State Using Acoustic Emission

Dorra Baccar, Dirk Söffker

SMASIS 2012; 609-614https://doi.org/10.1115/SMASIS2012-7916

Abstract

View Articletitled, Wavelet-Based Online Evaluation and Classification of Wear State Using Acoustic Emission

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Topics: Acoustic emissions , Wavelets , Wear , Damage , Discrete wavelet transforms , Fourier transforms , Gates (Closures) , Signal processing , Signals , Time-frequency analysis

Simulation of Interaction Between Lamb Waves and Cracks for Structural Health Monitoring With Piezoelectric Wafer Active Sensors

Yanfeng Shen, Victor Giurgiutiu

SMASIS 2012; 615-623https://doi.org/10.1115/SMASIS2012-7917

Abstract

View Articletitled, Simulation of Interaction Between Lamb Waves and Cracks for Structural Health Monitoring With Piezoelectric Wafer Active Sensors

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Topics: Fracture (Materials) , Semiconductor wafers , Sensors , Simulation , Structural health monitoring , Waves , Damage , Aluminum plate , Collisions (Physics) , Excitation

Passive Frequency Doubling Antenna Sensor for Wireless Strain Sensing

Xiaohua Yi, Chunhee Cho, Yang Wang, Benjamin S. Cook, James Cooper, Rushi Vyas, Manos M. Tentzeris, Roberto T. Leon

SMASIS 2012; 625-632https://doi.org/10.1115/SMASIS2012-7923

Abstract

View Articletitled, Passive Frequency Doubling Antenna Sensor for Wireless Strain Sensing

PDF

Topics: Sensors , Signals , Resonance , Batteries , Circuits , Deformation , Design , Reflection , Simulation , Simulation results

The Quantification of Uncertainty in SHM Features Derived From Transmissibility Estimation

Zhu Mao, Michael Todd

SMASIS 2012; 633-641https://doi.org/10.1115/SMASIS2012-7935

Abstract

View Articletitled, The Quantification of Uncertainty in SHM Features Derived From Transmissibility Estimation

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Topics: Structural health monitoring , Uncertainty , Probability , Density , Linear systems , Noise (Sound)

Wave Propagation in Multi-Layered Elastic Beam

Ahmet Unal, Gang Wang

SMASIS 2012; 643-651https://doi.org/10.1115/SMASIS2012-7939

Abstract

View Articletitled, Wave Propagation in Multi-Layered Elastic Beam

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Topics: Wave propagation , Damage , Engineering simulation , Simulation , Dynamic response , Finite element analysis , Finite element model , Frequency response , Reflection , Rotational inertia

A Structural Health Monitoring System for Composite Beams With Coupled Bending-Torsion

Zeaid Hasan, Ghassan Atmeh

SMASIS 2012; 653-664https://doi.org/10.1115/SMASIS2012-7948

Abstract

View Articletitled, A Structural Health Monitoring System for Composite Beams With Coupled Bending-Torsion

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Topics: Composite building materials , Structural health monitoring , Torsion , Damage , Fracture (Materials) , Databases , Fibers , Maintenance , Nondestructive evaluation , Aircraft

Wireless Strain Sensors Using Electromagnetic Resonators

Ali Daliri, Sabu John, Chun H. Wang, Amir Galehdar, Wayne S. T. Rowe, Kamran Ghorbani

SMASIS 2012; 665-669https://doi.org/10.1115/SMASIS2012-7954

Abstract

View Articletitled, Wireless Strain Sensors Using Electromagnetic Resonators

PDF

Topics: Strain sensors , Sensors , Aluminum , Strain measurement , Strip transmission lines , Structural health monitoring

Conductivity-Based Damage Detection in Carbon Fiber Composites

Bryan R. Loyola, Luciana Arronche, Valeria La Saponara, Kenneth J. Loh

SMASIS 2012; 671-678https://doi.org/10.1115/SMASIS2012-7958

Abstract

View Articletitled, Conductivity-Based Damage Detection in Carbon Fiber Composites

PDF

Topics: Carbon fibers , Composite materials , Damage , Electrical conductivity , Extended irreversible thermodynamics , Electrodes , Fibers , Nondestructive evaluation , Laminates , Fiber reinforced plastics

Self-Sensing Photoactive Thin Films for Monitoring Space Structures

Donghyeon Ryu, Kenneth J. Loh

SMASIS 2012; 679-686https://doi.org/10.1115/SMASIS2012-7959

Abstract

View Articletitled, Self-Sensing Photoactive Thin Films for Monitoring Space Structures

PDF

Topics: Space frame structures , Thin films , Damage , Design , Sensors , Carbon nanotubes , Failure

Evaluation of Damage in a Continuum Through a Multi-Objective Optimization Inverse Approach

Mengyu Wang, John Brigham

SMASIS 2012; 687-696https://doi.org/10.1115/SMASIS2012-7998

Abstract

View Articletitled, Evaluation of Damage in a Continuum Through a Multi-Objective Optimization Inverse Approach

PDF

Topics: Damage , Pareto optimization , Optimization , Displacement , Genetic algorithms , Geometry , Noise (Sound) , Pipes , Steady state

Study of Aerospace Structures With Bonded Piezoelectric Strips Subjected to Unsteady Aerodynamic Loads for Structural Health Monitoring

Yong Han, Dan Mateescu, Arun K. Misra

SMASIS 2012; 697-706https://doi.org/10.1115/SMASIS2012-8005

Abstract

View Articletitled, Study of Aerospace Structures With Bonded Piezoelectric Strips Subjected to Unsteady Aerodynamic Loads for Structural Health Monitoring

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Topics: Aerospace industry , Stress , Strips , Structural health monitoring , Oscillations , Fracture (Materials) , Sensors , Wings , Aircraft , Computer simulation

Experimental Nondestructive Testing Using Magnetostrictive Particles Embedded in Carbon Fiber Reinforced Polymer Beams

Jonathan Rudd, Dustin Spayde, Oliver Myers

SMASIS 2012; 707-711https://doi.org/10.1115/SMASIS2012-8010

Abstract

View Articletitled, Experimental Nondestructive Testing Using Magnetostrictive Particles Embedded in Carbon Fiber Reinforced Polymer Beams

PDF

Topics: Carbon reinforced plastics , Nondestructive evaluation , Particulate matter , Laminates , Signals , Manufacturing , Sensors , Bonding , Circuits , Damage

Lamb Wave Propagation Study Using Frequency-Wavenumber Analysis

Zhenhua Tian, Lingyu Yu

SMASIS 2012; 713-721https://doi.org/10.1115/SMASIS2012-8013

Abstract

View Articletitled, Lamb Wave Propagation Study Using Frequency-Wavenumber Analysis

PDF

Topics: Wave propagation , Waves , Structural health monitoring , Damage , Filtration , Laser Doppler vibrometers , Signals , Testing

Optical Fibre Sensing of High Order Lamb Waves for Structural Health Monitoring

Cedric Rosalie, Patrick Norman, Joel Smithard, Claire Davis, Nik Rajic

SMASIS 2012; 723-729https://doi.org/10.1115/SMASIS2012-8023

Abstract

View Articletitled, Optical Fibre Sensing of High Order Lamb Waves for Structural Health Monitoring

PDF

Topics: Fiber Bragg gratings , Optical fiber , Structural health monitoring , Waves

An Approach for Measuring Quasi-Static Mechanical Loads Using a Low-Power Piezoelectric Sensor

John A. Vine, Scott D. Moss

SMASIS 2012; 731-737https://doi.org/10.1115/SMASIS2012-8024

Abstract

View Articletitled, An Approach for Measuring Quasi-Static Mechanical Loads Using a Low-Power Piezoelectric Sensor

PDF

Topics: Sensors , Strain sensors , Stress , Piezoelectric transducers , Structural health monitoring , Composite materials , Defense industry , Fibers , Impedance (Electricity) , Modeling

Feasibility of Structural Health Monitoring of High Strain Rate Events Using Fiber Bragg Grating Sensors

James Ayers, Tusit Weerasooriya, Anindya Ghoshal, Collin Pecora, Allan Gunnarsson, Brett Sanborn, Peter Turney

SMASIS 2012; 739-748https://doi.org/10.1115/SMASIS2012-8039

Abstract

View Articletitled, Feasibility of Structural Health Monitoring of High Strain Rate Events Using Fiber Bragg Grating Sensors

PDF

Topics: Fiber Bragg gratings , Sensors , Structural health monitoring , Plates (structures) , Composite materials , Compression , Dynamic testing (Materials) , Explosives , Projectiles , Semiconductors (Materials)

Detecting Cracks in Reciprocating Compressor Valves Using Pattern Recognition in Frequency Space

Kurt Pichler, Edwin Lughofer, Thomas Buchegger, Erich Peter Klement, Matthias Huschenbett

SMASIS 2012; 749-756https://doi.org/10.1115/SMASIS2012-8052

Abstract

View Articletitled, Detecting Cracks in Reciprocating Compressor Valves Using Pattern Recognition in Frequency Space

PDF

Topics: Compressors , Crack detection , Pattern recognition , Valves , Noise (Sound) , Vibration

Corrosion Damage Monitoring Using Guided Lamb Waves

Byungseok Yoo, Ashish Purekar

SMASIS 2012; 757-764https://doi.org/10.1115/SMASIS2012-8055

Abstract

View Articletitled, Corrosion Damage Monitoring Using Guided Lamb Waves

PDF

Topics: Corrosion , Damage , Waves , Aluminum , Phase shift , Signal processing , Signals , Algorithms , Etching , Piezoelectric transducers

Multimodal Lamb Waves Power and Transfer Function Analysis of Structurally-Bonded PWAS

Bin Lin, Ayman Kamal, Victor Giurgiutiu, Tuncay Kamas

SMASIS 2012; 765-771https://doi.org/10.1115/SMASIS2012-8061

Abstract

View Articletitled, Multimodal Lamb Waves Power and Transfer Function Analysis of Structurally-Bonded PWAS

PDF

Topics: Transfer functions , Waves , Modeling , Structural health monitoring , Approximation , Frequency response , Physics , Semiconductor wafers , Sensors , Space frame structures

Intrinsic Spatio-Temporal Resolution Analysis of Nondestructive Impact Diagnostic Force Ensembles and Collocated Accelerations in a Composite Beam Structure

Ioannis T. Georgiou

SMASIS 2012; 773-782https://doi.org/10.1115/SMASIS2012-8083

Abstract

View Articletitled, Intrinsic Spatio-Temporal Resolution Analysis of Nondestructive Impact Diagnostic Force Ensembles and Collocated Accelerations in a Composite Beam Structure

PDF

Topics: Composite building materials , Resolution (Optics) , Signals , Actuators , Carbon , Epoxy adhesives , Epoxy resins , Inspection , Principal component analysis , Sensors

Electromechanical Impedance Modeling for Structural Health Monitoring

Liuxian Zhao, Lingyu Yu, Mattieu Gresil, Michael Sutton, Siming Guo

SMASIS 2012; 783-790https://doi.org/10.1115/SMASIS2012-8094

Abstract

View Articletitled, Electromechanical Impedance Modeling for Structural Health Monitoring

PDF

Topics: Modeling , Structural health monitoring , Finite element methods , Aluminum , Impedance (Electricity) , Mechanical impedance , Piezoelectric materials , Sensors , Composite materials , Damage

Dual Mode Sensing of Crack Growth in Steel Bridge Structures

Lingyu Yu, Liuxian Zhao, Zhenhua Tian, Victor Giurgiutiu, Paul Ziehl

SMASIS 2012; 791-798https://doi.org/10.1115/SMASIS2012-8096

Abstract

View Articletitled, Dual Mode Sensing of Crack Growth in Steel Bridge Structures

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Topics: Fracture (Materials) , Steel bridges , Waves , Acoustic emissions , Cycles , Damage , Fatigue , Fatigue cracks , Fourier transforms , Reflection

Load Monitoring of Aerospace Structures Using Micro-Electro-Mechanical Systems (MEMS)

M. Martinez, B. Rocha, M. Li, G. Shi, A. Beltempo, R. Rutledge, M. Yanishevsky

SMASIS 2012; 799-805https://doi.org/10.1115/SMASIS2012-8109

Abstract

View Articletitled, Load Monitoring of Aerospace Structures Using Micro-Electro-Mechanical Systems (MEMS)

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Topics: Aerospace industry , Microelectromechanical systems , Stress , Structural health monitoring

Gas Accumulation Detection in a Water Tank Using Lamb Waves

Lingyu Yu, Zhenhua Tian, Liuxian Zhao

SMASIS 2012; 807-815https://doi.org/10.1115/SMASIS2012-8110

Abstract

View Articletitled, Gas Accumulation Detection in a Water Tank Using Lamb Waves

PDF

Topics: Water , Waves , Wave propagation , Boundary-value problems , Damage , Emergency core cooling systems , Leakage , Pipes , Pumps , Steel

Validation of a Strain-Based Wing Shape Prediction Algorithm for Control and Monitoring of an Uninhabited Air Vehicle

Jessica Alvarenga, Francisco Peña, Helen Boussalis

SMASIS 2012; 817-821https://doi.org/10.1115/SMASIS2012-8113

Abstract

View Articletitled, Validation of a Strain-Based Wing Shape Prediction Algorithm for Control and Monitoring of an Uninhabited Air Vehicle

PDF

Topics: Algorithms , Shapes , Vehicles , Wings , Flight , Structural health monitoring , Unmanned aerial vehicles , Space , Aerospace industry , Aircraft

Gyroscopic Effects of Horizontal Axis Wind Turbines Using Stochastic Aeroelasticity via Spinning Finite Elements

Antonio Velazquez, R. Andrew Swartz

SMASIS 2012; 823-831https://doi.org/10.1115/SMASIS2012-8118

Abstract

View Articletitled, Gyroscopic Effects of Horizontal Axis Wind Turbines Using Stochastic Aeroelasticity via Spinning Finite Elements

PDF

Topics: Aeroelasticity , Finite element analysis , Horizontal axis wind turbines , Spin (Aerodynamics) , Spinning (Textile) , Yaw , Blades , Rotors , Design , Wind

Nonlinear Guided Waves for Structural Health Monitoring: Numerical Algorithm and Application to Railroad Track

Claudio Nucera, Francesco Lanza di Scalea

SMASIS 2012; 833-836https://doi.org/10.1115/SMASIS2012-8139

Abstract

View Articletitled, Nonlinear Guided Waves for Structural Health Monitoring: Numerical Algorithm and Application to Railroad Track

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Topics: Algorithms , Railroads , Structural health monitoring , Waves , Rails , Temperature , Thermal stresses , Temperature measurement , Collaboration , Computer simulation

Investigation of Low Velocity Impact Damage in Aluminum Alloys

Benjamin Cooper, Andrei Zagrai

SMASIS 2012; 837-844https://doi.org/10.1115/SMASIS2012-8145

Abstract

View Articletitled, Investigation of Low Velocity Impact Damage in Aluminum Alloys

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Topics: Aluminum alloys , Damage , Sensors , Signals , Structural health monitoring , Waves , Deformation , Aluminum plate , Elastic waves , Reflection

Experimental Investigations in Embedded Sensing for Structural Health Monitoring of Composite Components in Aerospace Vehicles

Anindya Ghoshal, James Ayers, Mark Gurvich, Michael Urban, Nathaniel Bordick

SMASIS 2012; 845-854https://doi.org/10.1115/SMASIS2012-8151

Abstract

View Articletitled, Experimental Investigations in Embedded Sensing for Structural Health Monitoring of Composite Components in Aerospace Vehicles

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Topics: Aircraft , Composite materials , Structural health monitoring , Sensors , Delamination , Fiber Bragg gratings , Army , Dynamic testing (Materials) , Fatigue , Maintenance

Automatic Extraction of Hyperbolic Signatures in Ground Penetrating Radar Images

Zhenhua Xie, Xiangmin Wei, Ying Zhang

SMASIS 2012; 855-860https://doi.org/10.1115/SMASIS2012-8153

Abstract

View Articletitled, Automatic Extraction of Hyperbolic Signatures in Ground Penetrating Radar Images

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Topics: Algebra , Concretes , Corrosion , Electrical properties , Fittings , Image processing , Maintenance , Radar , Reflection , Testing

An Investigation on the Detectability of Deeper Rebar Layer in Concrete Bridge Decks Using GPR

Xiangmin Wei, Zhenhua Xie, Ying Zhang

SMASIS 2012; 861-867https://doi.org/10.1115/SMASIS2012-8154

Abstract

View Articletitled, An Investigation on the Detectability of Deeper Rebar Layer in Concrete Bridge Decks Using GPR

PDF

Topics: Concrete bridges , Signals , Concretes , Bridges (Structures) , Civil engineering , Corrosion , Image processing , Nondestructive evaluation , Radar , Reflection

Distinguishing the Degradation of the Interdigital Piezoelectric Fibre Transducers From Structural Damage in Multifunctional Composites

Mohammad Mehdizadeh, Sabu John, Chun H. Wang, Kamran Ghorbani, Wayne S. T. Rowe

SMASIS 2012; 869-877https://doi.org/10.1115/SMASIS2012-8177

Abstract

View Articletitled, Distinguishing the Degradation of the Interdigital Piezoelectric Fibre Transducers From Structural Damage in Multifunctional Composites

PDF

Topics: Composite materials , Damage , Fibers , Transducers , Sensors , Structural health monitoring , Electrical properties , Reliability , Safety , Capacitance

Solid-State Dye Sensitized Optoelectronic Carbon Nanotube-Wires: An Energy Harvesting Damage Sensor With Nanotechnology Approach

Mohammed Jasim Uddin, Tarik J. Dickens, Jin Yan, David O. Olawale, Okenwa I. Okoli, Federico Cesano

SMASIS 2012; 879-884https://doi.org/10.1115/SMASIS2012-8200

Abstract

View Articletitled, Solid-State Dye Sensitized Optoelectronic Carbon Nanotube-Wires: An Energy Harvesting Damage Sensor With Nanotechnology Approach

PDF

Topics: Carbon , Damage , Energy harvesting , Nanotechnology , Nanotubes , Sensors , Wire , Yarns , Carbon nanotubes , Sol-gel processing

Wireless Vibration Sensing Without a Battery

Haiying Huang, Yayu Hew

SMASIS 2012; 885-890https://doi.org/10.1115/SMASIS2012-8206

Abstract

View Articletitled, Wireless Vibration Sensing Without a Battery

PDF

Topics: Batteries , Vibration , Signals , Circuits , Sensors , Energy consumption , Energy harvesting , Solar energy , Strain gages , Backscattering

Lamb Wave Instantaneous Phase Based Method for Quantitative Level of Delamination Damage in Composite Structures

Dulip Samaratunga, Ruisheng Wang, Ratneshwar Jha

SMASIS 2012; 891-895https://doi.org/10.1115/SMASIS2012-8216

Abstract

View Articletitled, Lamb Wave Instantaneous Phase Based Method for Quantitative Level of Delamination Damage in Composite Structures

PDF

Topics: Composite materials , Damage , Delamination , Waves , Finite element analysis , Engineering simulation , Simulation , Delays , Dispersion (Optics) , Laminates

A New Imaging Approach to In Situ and Ex-Situ Inspections of Fibre Reinforced Composites by Magnetic Induction Tomography (MIT)

Axel Renner, Wolf-Joachim Fischer, Uwe Marschner

SMASIS 2012; 897-902https://doi.org/10.1115/SMASIS2012-8231

Abstract

View Articletitled, A New Imaging Approach to In Situ and Ex-Situ Inspections of Fibre Reinforced Composites by Magnetic Induction Tomography (MIT)

PDF

Topics: Fiber reinforced composites , Imaging , Inspection , Magnetic induction , Damage , Carbon reinforced plastics , Composite materials , Fracture (Process) , Delamination , Economics

Design, Development, and Assembly of Space Flight Structural Health Monitoring Experiment

David Siler, Ben Cooper, Chris White, Stephen Marinsek, Andrei Zagrai, Joe MacGillivray, Jaclene Gutierrez, Karen Tena, Levi Magnuson, Lloyd Puckett, Jordan Klepper, Anders Jorgensen, Seth Kessler

SMASIS 2012; 903-906https://doi.org/10.1115/SMASIS2012-8239

Abstract

View Articletitled, Design, Development, and Assembly of Space Flight Structural Health Monitoring Experiment

PDF

Topics: Design , Manufacturing , Space flight , Structural health monitoring , Flight , Hardware , Rockets , Sensors , Wave propagation , Bolted joints

Guided Wave Based Fatigue Crack Detection and Localization in Aluminum Aerospace Structures

Kevin Hensberry, Narayan Kovvali, Kuang C. Liu, Aditi Chattopadhyay, Antonia Papandreou-Suppappola

SMASIS 2012; 907-916https://doi.org/10.1115/SMASIS2012-8241

Abstract

View Articletitled, Guided Wave Based Fatigue Crack Detection and Localization in Aluminum Aerospace Structures

PDF

Topics: Aerospace industry , Aluminum , Fatigue cracks , Waves , Damage , Algorithms , Fracture (Materials) , Sensors , Signal processing , Signals

Kernel Feature Space Based Low Velocity Impact Monitoring

Yingtao Liu, Masoud Yekani Fard, Aditi Chattopadhyay

SMASIS 2012; 917-924https://doi.org/10.1115/SMASIS2012-8242

Abstract

View Articletitled, Kernel Feature Space Based Low Velocity Impact Monitoring

PDF

Topics: Aircraft , Algorithms , Composite materials , Damage , Principal component analysis , Reliability , Structural health monitoring , Vessels , Wings

Influence of Sensor Statistics on Piezoelectric and Magneto-Elastic Damage Detection

David Conrad, Andrei Zagrai, Daniel Meisner

SMASIS 2012; 925-933https://doi.org/10.1115/SMASIS2012-8255

Abstract

View Articletitled, Influence of Sensor Statistics on Piezoelectric and Magneto-Elastic Damage Detection

PDF

Topics: Damage , Sensors , Statistics , Membrane electrode assemblies , Structural health monitoring , Aerospace industry , Boundary-value problems , Echoes , Geometry , Semiconductor wafers

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