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Ali Najafi
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Proceedings Papers

Prediction of Delamination Location in Composite Structures With Different Ply Orientations: A Framework Integrating Finite Element Simulation and Deep Learning

Junyan He, Linqi Zhuang, Adarsh Chaurasia, Ali Najafi
Proc. ASME. IMECE2023, Volume 4: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V004T05A014, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-112407
https://doi.org/10.1115/IMECE2023-112407
View Paper titled, Prediction of Delamination Location in Composite Structures With Different Ply Orientations: A Framework Integrating Finite Element Simulation and Deep Learning
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Topics: Artificial neural networks, Composite materials, Delamination, Finite element analysis, Simulation, Waves
Proceedings Papers

Impact Damage Evaluations in a Composite Laminate Using Guided Wave-Based Simulation

Linqi Zhuang, Adarsh Chaurasia, Ali Najafi
Proc. ASME. IMECE2022, Volume 3: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V003T04A024, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95057
https://doi.org/10.1115/IMECE2022-95057
View Paper titled, Impact Damage Evaluations in a Composite Laminate Using Guided Wave-Based Simulation
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Topics: Composite materials, Damage, Finite element analysis, Laminates, Simulation, Waves
Proceedings Papers

Analyzing Core Failure in Composite Sandwich Structures Using a Non-Local Anisotropic Damage Approach

Linqi Zhuang, Ali Najafi
Proc. ASME. IMECE2021, Volume 4: Advances in Aerospace Technology, V004T04A032, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-70354
https://doi.org/10.1115/IMECE2021-70354
View Paper titled, Analyzing Core Failure in Composite Sandwich Structures Using a Non-Local Anisotropic Damage Approach
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Topics: Anisotropy, Composite materials, Damage, Failure, Sandwich structures
Journal Articles

Lyapunov-Based Boundary Control of Strain Gradient Microscale Beams With Exponential Decay Rate

Ramin Vatankhah, Ali Najafi, Hassan Salarieh, Aria Alasty
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. June 2015, 137(3): 031003.
Paper No: VIB-13-1132
https://doi.org/10.1115/1.4028964
Published Online: June 1, 2015
View Article titled, Lyapunov-Based Boundary Control of Strain Gradient Microscale Beams With Exponential Decay Rate
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Topics: Strain gradient, Microbeams, Control equipment, Microscale devices, Finite element methods
Proceedings Papers

Coupled Sequential Process-Performance Simulation and Multi-Attribute Optimization of Thin-Walled Tubes

Ali Najafi, Masoud Rais-Rohani
Proc. ASME. IDETC-CIE2011, Volume 9: 23rd International Conference on Design Theory and Methodology; 16th Design for Manufacturing and the Life Cycle Conference, 789-805, August 28–31, 2011
Publisher: American Society of Mechanical Engineers
Paper No: DETC2011-47686
https://doi.org/10.1115/DETC2011-47686
View Paper titled, Coupled Sequential Process-Performance Simulation and Multi-Attribute Optimization of Thin-Walled Tubes
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Topics: Optimization, Simulation, Design, Absorption, Manufacturing, Dimensions, Friction, Product design, Residual stresses, Rupture
Journal Articles

Boundary Stabilization of Parachute Dams in Contact With Fluid

Ali Najafi, Mohammad Eghtesad, Farhang Daneshmand, Amir Lotfazar
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. December 2011, 133(6): 061009.
https://doi.org/10.1115/1.4004662
Published Online: November 28, 2011
View Article titled, Boundary Stabilization of Parachute Dams in Contact With Fluid
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Topics: Dams, Fluids, Vibration
Proceedings Papers

Modeling of a Multifunctional Pressure-Temperature Sensor

Ali Najafi Sohi, Mohammad Shavezipur, Patricia Nieva, Amir Khajepour
Proc. ASME. IMECE2009, Volume 12: Micro and Nano Systems, Parts A and B, 527-533, November 13–19, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-12930
https://doi.org/10.1115/IMECE2009-12930
View Paper titled, Modeling of a Multifunctional Pressure-Temperature Sensor
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Topics: Modeling, Pressure, Sensors, Temperature, Aviation, Capacitance, Circuits, Complementary metal oxide semiconductors, Energy generation, Engineering simulation
Journal Articles

Vibration Control and Trajectory Tracking for General In-Plane Motion of an Euler–Bernoulli Beam Via Two-Time Scale and Boundary Control Methods

Amir Lotfazar, Mohammad Eghtesad, Ali Najafi
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. October 2008, 130(5): 051009.
https://doi.org/10.1115/1.2948406
Published Online: August 14, 2008
View Article titled, Vibration Control and Trajectory Tracking for General In-Plane Motion of an Euler–Bernoulli Beam Via Two-Time Scale and Boundary Control Methods
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Topics: Boundary-value problems, Composite materials, Control equipment, Design, Dynamics (Mechanics), Potential energy, Trajectories (Physics), Vibration, Vibration control, Simulation results