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Proceedings Papers

Damage in Oxidized Titanium Metal Matrix Composites

Dimitris C. Lagoudas, Shouze Xu, David Miller, David H. Allen
Proc. ASME. IMECE96, Aerospace and Materials, 225-237, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0480
https://doi.org/10.1115/IMECE1996-0480
View Paper titled, Damage in Oxidized Titanium Metal Matrix Composites
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Topics: Damage, Metal matrix composites, Titanium, Surface cracks, Fracture (Materials), Laminates, Stress, Density, Oxidation, Phase transitions
Proceedings Papers

Parametric Optimization of SMA Torsional Actuators for Aircraft Morphing Applications

Christopher Summers, Jonathan M. Weaver-Rosen, Anargyros A. Karakalas, Richard J. Malak, Jr., Dimitris C. Lagoudas
Proc. ASME. IMECE2021, Volume 3: Advanced Materials: Design, Processing, Characterization, and Applications, V003T03A056, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-73206
https://doi.org/10.1115/IMECE2021-73206
View Paper titled, Parametric Optimization of SMA Torsional Actuators for Aircraft Morphing Applications
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Topics: Actuators, Aircraft, Optimization, Design, Dimensions, Engineers, Torque, Cooling, Stress, Transportation systems
Proceedings Papers

Constitutive Modeling of 3-D Stress Induced Phase Transformation in Polycrystalline NiTi SMA

Dimitris C. Lagoudas, Muhammad A. Qidwai
Proc. ASME. IMECE99, Adaptive Structures and Material Systems, 111-118, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-0534
https://doi.org/10.1115/IMECE1999-0534
View Paper titled, Constitutive Modeling of 3-D Stress Induced Phase Transformation in Polycrystalline NiTi SMA
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Topics: Modeling, Nickel titanium alloys, Phase transitions, Stress, Compression, Energy dissipation, Pressure, Shape memory effects, Tension, Thermomechanics
Proceedings Papers

Adaptive Shape Control for an SMA-Actuated Aerofoil Rib Structure

Glenn V. Webb, Dimitris C. Lagoudas, Mayur Kulkarni
Proc. ASME. IMECE99, Adaptive Structures and Material Systems, 205-212, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-0545
https://doi.org/10.1115/IMECE1999-0545
View Paper titled, Adaptive Shape Control for an SMA-Actuated Aerofoil Rib Structure
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Topics: Airfoils, Shapes, Actuators, Adaptive control, Deformation, Wire
Proceedings Papers

Modelling of Shape Memory Alloy Springs for Passive Vibration Isolation

Dimitris C. Lagoudas, Mughees M. Khan, John J. Mayes
Proc. ASME. IMECE2001, Adaptive Structures and Material Systems, 259-269, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/AD-23730
https://doi.org/10.1115/IMECE2001/AD-23730
View Paper titled, Modelling of Shape Memory Alloy Springs for Passive Vibration Isolation
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Topics: Dynamic systems, Modeling, Pseudoelasticity, Shape memory alloys, Springs, Vibration isolation
Proceedings Papers

Micromechanics of Porous Shape Memory Alloys

Dimitris C. Lagoudas, Pavlin B. Entchev, Muhammad A. Qidwai, Virginia G. DeGiorgi
Proc. ASME. IMECE2000, Adaptive Structures and Material Systems, 41-50, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1688
https://doi.org/10.1115/IMECE2000-1688
View Paper titled, Micromechanics of Porous Shape Memory Alloys
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Topics: Micromechanics (Engineering), Shape memory alloys, Absorption, Composite materials, Constitutive equations, Finite element methods, Porous materials
Proceedings Papers

Thermomechanical Transformation Fatigue of SMA Actuators

Dimitris C. Lagoudas, Changcheng Li, David A. Miller, Lijian Rong
Proc. ASME. IMECE2000, Adaptive Structures and Material Systems, 1-6, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1682
https://doi.org/10.1115/IMECE2000-1682
View Paper titled, Thermomechanical Transformation Fatigue of SMA Actuators
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Topics: Actuators, Fatigue, Thermomechanics, Heat treating (Metalworking), Cycles, Stress, Wire, Alloys, Failure, Fatigue life
Proceedings Papers

Nonlinear Modeling and Control of Hysteresis in Active Material Systems

Glenn V. Webb, Dimitris C. Lagoudas, Andrew J. Kurdila
Proc. ASME. DETC99, Volume 7B: 17th Biennial Conference on Mechanical Vibration and Noise, 1763-1772, September 12–16, 1999
Publisher: American Society of Mechanical Engineers
Paper No: DETC99/VIB-8064
https://doi.org/10.1115/DETC99/VIB-8064
View Paper titled, Nonlinear Modeling and Control of Hysteresis in Active Material Systems
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Topics: Active materials, Control modeling, Actuators, Shape memory alloys, Adaptive control, Aerospace industry, Control equipment, Design, Electrorheological fluids, Linear systems
Proceedings Papers

Design of Morphing Strips Using SMA Actuators Under Partial Phase Transformation Operation

Anargyros A. Karakalas, Theodoros T. Machairas, Dimitris C. Lagoudas, Dimitris A. Saravanos
Proc. ASME. SMASIS2020, ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A021, September 15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2020-2332
https://doi.org/10.1115/SMASIS2020-2332
View Paper titled, Design of Morphing Strips Using SMA Actuators Under Partial Phase Transformation Operation
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Topics: Actuators, Design, Phase transitions, Strips, Constitutive equations, Engineering systems and industry applications, Hardening, Modeling, Shape memory alloys, Shapes
Proceedings Papers

Vibration Absorption in a Nonlinear Metamaterial Beam Incorporating Shape Memory Alloys

Ralston Fernandes, James G. Boyd, Sami El-Borgi, Dimitris C. Lagoudas
Proc. ASME. IMECE2019, Volume 11: Acoustics, Vibration, and Phononics, V011T01A013, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-11302
https://doi.org/10.1115/IMECE2019-11302
View Paper titled, Vibration Absorption in a Nonlinear Metamaterial Beam Incorporating Shape Memory Alloys
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Topics: Absorption, Metamaterials, Resonance, Shape memory alloys, Vibration
Proceedings Papers

Modeling of Internal Damage Evolution During Actuation Fatigue in Shape Memory Alloys

Francis R. Phillips, Daniel Martin, Dimitris C. Lagoudas, Robert W. Wheeler
Proc. ASME. SMASIS2018, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting; Emerging Technologies, V002T02A008, September 10–12, 2018
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2018-8068
https://doi.org/10.1115/SMASIS2018-8068
View Paper titled, Modeling of Internal Damage Evolution During Actuation Fatigue in Shape Memory Alloys
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Topics: Damage, Fatigue, Modeling, Shape memory alloys, Phase transitions, Constitutive equations, Fracture (Materials), High cycle fatigue, Low cycle fatigue, X-rays
Proceedings Papers

Crack Growth Behavior in NiTi Shape Memory Alloys Under Mode-I Isothermal Loading: Effect of Stress State

Behrouz Haghgouyan, Ibrahim Karaman, Sameer Jape, Alexandros Solomou, Dimitris C. Lagoudas
Proc. ASME. SMASIS2018, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting; Emerging Technologies, V002T02A013, September 10–12, 2018
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2018-8190
https://doi.org/10.1115/SMASIS2018-8190
View Paper titled, Crack Growth Behavior in NiTi Shape Memory Alloys Under Mode-I Isothermal Loading: Effect of Stress State
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Topics: Fracture (Materials), Nickel titanium alloys, Stress, Finite element analysis, Displacement, Plane strain, Boundary-value problems, Constitutive equations, Nickel, Shape memory alloys
Proceedings Papers

Plane Strain Sliding Contact Between a Rigid Cylinder and a Pseudoelastic Shape Memory Alloy Half-Space

Ralston Fernandes, James G. Boyd, Dimitris C. Lagoudas, Sami El-Borgi
Proc. ASME. SMASIS2018, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting; Emerging Technologies, V002T02A015, September 10–12, 2018
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2018-8243
https://doi.org/10.1115/SMASIS2018-8243
View Paper titled, Plane Strain Sliding Contact Between a Rigid Cylinder and a Pseudoelastic Shape Memory Alloy Half-Space
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Topics: Cylinders, Plane strain, Shape memory alloys, Stress, Temperature, Alloys, Constitutive equations, Elastic half space, Finishes, Finite element methods
Proceedings Papers

Analysis and Design of an Active Self-Folding Antenna

Edwin A. Peraza Hernandez, Darren J. Hartl, Dimitris C. Lagoudas
Proc. ASME. IDETC-CIE2017, Volume 5B: 41st Mechanisms and Robotics Conference, V05BT08A049, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67855
https://doi.org/10.1115/DETC2017-67855
View Paper titled, Analysis and Design of an Active Self-Folding Antenna
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Topics: Design, Shapes, Active materials, Shape memory alloys, Structural analysis
Proceedings Papers

On the Thermomechanical Behavior of Ni 60 Ti 40 Coupons via High Performance Full Field Experiments

Athanasios P. Iliopoulos, John C. Steuben, John G. Michopoulos, Theocharis Baxevanis, Tanner Kirk, Dimitris C. Lagoudas
Proc. ASME. IDETC-CIE2016, Volume 1A: 36th Computers and Information in Engineering Conference, V01AT02A007, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-59880
https://doi.org/10.1115/DETC2016-59880
View Paper titled, On the Thermomechanical Behavior of Ni 60 Ti 40 Coupons via High Performance Full Field Experiments
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Topics: Thermomechanics, Failure, Absorption, Cooling, Fracture (Materials), Fracture (Process), Imaging, Nickel titanium alloys, Phase transitions, Resolution (Optics)
Proceedings Papers

Design of Origami Structures With Smooth Folds

Edwin A. Peraza Hernandez, Darren J. Hartl, Dimitris C. Lagoudas
Proc. ASME. SMASIS2016, Volume 2: Modeling, Simulation and Control; Bio-Inspired Smart Materials and Systems; Energy Harvesting, V002T03A018, September 28–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2016-9195
https://doi.org/10.1115/SMASIS2016-9195
View Paper titled, Design of Origami Structures With Smooth Folds
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Topics: Design, Shapes, Adaptive structures, Deformation, Design methodology, Geometry, Kinematics, Manufacturing, Origami-inspired design, Testing
Journal Articles

Kinematics of Origami Structures With Smooth Folds

Edwin A. Peraza Hernandez, Darren J. Hartl, Dimitris C. Lagoudas
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research-Article
J. Mechanisms Robotics. December 2016, 8(6): 061019.
Paper No: JMR-16-1115
https://doi.org/10.1115/1.4034299
Published Online: October 11, 2016
View Article titled, Kinematics of Origami Structures With Smooth Folds
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Topics: Deformation, Kinematics, Shapes, Simulation, Rotation, Modeling, Geometry
Includes: Supplementary data
Proceedings Papers

An Experimental and Numerical Study of Shape Memory Alloy-Based Tensegrity/Origami Structures

John L. Rohmer, Edwin A. Peraza Hernandez, Robert E. Skelton, Darren J. Hartl, Dimitris C. Lagoudas
Proc. ASME. IMECE2015, Volume 9: Mechanics of Solids, Structures and Fluids, V009T12A064, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-51928
https://doi.org/10.1115/IMECE2015-51928
View Paper titled, An Experimental and Numerical Study of Shape Memory Alloy-Based Tensegrity/Origami Structures
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Topics: Alloys, Shapes, Tensegrity, Shape memory alloys, Cylinders, Deflection, Design, Engineering prototypes, Finite element analysis, Manufacturing
Proceedings Papers

Analysis and Optimization of a Shape Memory Alloy-Based Self-Folding Sheet Considering Material Uncertainties

Edwin A. Peraza Hernandez, Darren J. Hartl, Richard J. Malak, Jr., Dimitris C. Lagoudas
Proc. ASME. SMASIS2015, Volume 1: Development and Characterization of Multifunctional Materials; Mechanics and Behavior of Active Materials; Modeling, Simulation and Control of Adaptive Systems, V001T01A013, September 21–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2015-9001
https://doi.org/10.1115/SMASIS2015-9001
View Paper titled, Analysis and Optimization of a Shape Memory Alloy-Based Self-Folding Sheet Considering Material Uncertainties
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Topics: Alloys, Optimization, Shapes, Uncertainty, Wire, Design, Elastomers, Materials properties, Adaptive structures, Degrees of freedom
Proceedings Papers

Characterization and Modeling of Thermo-Mechanical Fatigue in Equiatomic NiTi Actuators

Robert W. Wheeler, Darren J. Hartl, Yves Chemisky, Dimitris C. Lagoudas
Proc. ASME. SMASIS2014, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T02A009, September 8–10, 2014
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2014-7591
https://doi.org/10.1115/SMASIS2014-7591
View Paper titled, Characterization and Modeling of Thermo-Mechanical Fatigue in Equiatomic NiTi Actuators
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Topics: Actuators, Fatigue, Modeling, Nickel titanium alloys, Thermomechanics, Heat, Stress, Damage, Temperature, Aerospace industry