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2014, 1st edition., Cambridge aerospace series, ISBN 9780521866576, Volume 35, xviii, 905
The twenty-first century could be called the 'Multifunctional Materials Age'. The inspiration for multifunctional materials comes from nature, and therefore... 
Smart structures | Industrial applications | Smart materials
Book
AIAA Journal, ISSN 0001-1452, 11/2002, Volume 40, Issue 11, pp. 2145 - 2187
...AIAA JOURNAL V ol. 40, No. 11, November 2002 Review of State of Art of Smart Structures and Integrated Systems Inderjit Chopra University of Maryland, College... 
INDUCED-STRAIN ACTUATORS | FINITE-ELEMENT ANALYSIS | MACH-SCALED ROTOR | ACTIVE VIBRATION CONTROL | TORSION COUPLED BEAM | LAMINATED COMPOSITE PLATES | TRAILING-EDGE FLAPS | LOW-CYCLE FATIGUE | SHAPE-MEMORY ALLOY | ENGINEERING, AEROSPACE | PIEZOELECTRIC FIBER COMPOSITES
Journal Article
Journal of Aircraft, ISSN 0021-8669, 05/2018, Volume 55, Issue 3, pp. 1050 - 1061
A computational study has been conducted on various airfoils to simulate flows at Reynolds numbers (Re) primarily between 104 and 105 to provide understanding... 
Spalart-Allmaras turbulence model | Turbulent flow | Cambering | Flat plates | Computational fluid dynamics | Computer simulation | Reynolds number | Fluid flow | Aerodynamics | Pressure | Lift | Thickness | Drag | Turbulence models | Boundary layer transition | Software | Leading edges | Camber
Journal Article
AIAA Journal, ISSN 0001-1452, 06/2014, Volume 52, Issue 6, pp. 1159 - 1169
This paper describes the systematic experimental and computational studies performed to obtain a fundamental understanding of the physics behind the lift and... 
Measurement | Speed | Aerodynamics | Structure | Analysis | Kinematics | Aerospace engineering | Forward flight | Blades | Mathematical analysis | Rotors | Curvature | Thrust | Lift
Journal Article
Journal of Aircraft, ISSN 0021-8669, 09/2013, Volume 50, Issue 5, pp. 1340 - 1352
This paper describes the systematic performance measurements conducted to understand the role of rotor geometry and blade pitching kinematics on the... 
AERODYNAMICS | MICRO-AIR-VEHICLE | ENGINEERING, AEROSPACE | Rotors (Helicopters) | Kinematic geometry | Design and construction | Analysis | Investigations | Aerodynamics | Helicopters | Kinematics | Aerospace engineering | Planforms | Amplitudes | Blades | Rotors | Pitch angle | Curvature | Optimization
Journal Article
Journal of Aircraft, ISSN 0021-8669, 05/2018, Volume 55, Issue 3, pp. 1062 - 1070
The increasing usage of low-Reynolds-number (10,000–100,000 tip Reynolds number) scale quadrotors for civilian and military applications provides the impetus... 
Torque | Computational fluid dynamics | Rotors | Reynolds number | Fluid flow | Military applications | Aerodynamics | Fuel consumption | Batteries | Takeoff | Weight | Momentum theory | Airframes | Micro air vehicles (MAV) | Rotary wing aircraft | Flight time
Journal Article
Journal of Aircraft, ISSN 0021-8669, 09/2018, Volume 55, Issue 5, pp. 1929 - 1941
This paper describes the effects of a composite coupled blade spar on the performance of a slowed-rotation-frequency helicopter rotor in high-speed edgewise... 
PERFORMANCE | LOADS | ENGINEERING, AEROSPACE | Axial stress | Dynamic structural analysis | Twisting | Rotors | Three dimensional analysis | Rotor blades | Rotation | Computational structure dynamics | Lift | Finite element method | Negative lift | Tensile strain | Drag | Efficiency | Microstrain | Helicopter performance | Manufacturability | Aeroelasticity
Journal Article
AIAA Journal, ISSN 0001-1452, 09/2008, Volume 46, Issue 9, pp. 2115 - 2135
... ∗ and Inderjit Chopra † University of Maryland, College Park, Maryland 20742 DOI: 10.2514/1.28192 This paper addresses the aerodynamics of insect-based, biomimetic, apping... 
MODEL HAWKMOTH | AERODYNAMIC FORCES | FLIGHT | LIFT | DYNAMICS | VORTEX-LATTICE METHOD | MECHANISMS | COMPUTATIONS | ENGINEERING, AEROSPACE | LEADING-EDGE VORTEX | KINEMATICS | Aerodynamics | Analysis | Aerospace engineering
Journal Article
Journal of Aircraft, ISSN 0021-8669, 07/2016, Volume 53, Issue 4, pp. 1160 - 1167
The present study is in response to increased interest towards assessing the feasibility of a small-scale autonomous helicopter (gross weight less than 1 kg)... 
Journal Article
Journal of Aircraft, ISSN 0021-8669, 01/2015, Volume 52, Issue 1, pp. 116 - 129
This paper discusses the control methodology, flight dynamics identification, and disturbance rejection analysis in hover of a revolutionary horizontal-axis... 
ENGINEERING, AEROSPACE | Mechanical properties | Aerodynamics | Models | Helicopters | Degrees of freedom | Feedback | Dynamics | Mathematical analysis | Heave | Rotors | Dynamic models | Yaw | Vehicles
Journal Article
Journal of Aircraft, ISSN 0021-8669, 09/2016, Volume 53, Issue 5, pp. 1568 - 1573
Journal Article
Journal of Aircraft, ISSN 0021-8669, 03/2014, Volume 51, Issue 2, pp. 672 - 676
Journal Article
Journal of the American Helicopter Society, ISSN 0002-8711, 10/2000, Volume 45, Issue 4, pp. 228 - 252
This paper reviews the status of smart structures technology development for application to rotorcraft systems. Though a large component of research is focused... 
INDUCED-STRAIN ACTUATORS | INTELLIGENT STRUCTURES | DESIGN | COMPOSITE BEAMS | TORSION | TRAILING-EDGE FLAPS | HELICOPTER ROTOR | BLADE TWIST | MODEL | ENGINEERING, AEROSPACE
Journal Article
AIAA Journal, ISSN 0001-1452, 04/2016, Volume 54, Issue null, pp. 1145 - 1157
The paper focuses on understanding the mechanism of force production on a hover-capable flapping-wing system by using a combination of direct force... 
Usage | Research | Reynolds number | Kinematics
Journal Article
Journal of Intelligent & Robotic Systems, ISSN 0921-0296, 11/2015, Volume 80, Issue 2, pp. 231 - 254
...J Intell Robot Syst (2015) 80:231–254 DOI 10.1007/s10846-014-0158-y Perimeter-Based Polar Scan Matching (PB-PSM) for 2D Laser Odometry Chen Friedman · Inderjit... 
Engineering | SLAM | Scan matching | Control, Robotics, Mechatronics | Artificial Intelligence (incl. Robotics) | Mapping | Mechanical Engineering | Laser range scanner | Electrical Engineering | SIMULTANEOUS LOCALIZATION | ROBOT | ROBOTICS | COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE | Analysis | Algorithms | Aerospace engineering | Matching | Accuracy | Maps | Search methods | Lasers | Two dimensional | Lead (metal)
Journal Article
Journal of Aircraft, ISSN 0021-8669, 07/2013, Volume 50, Issue 4, pp. 1070 - 1087
Experimental studies were conducted by flapping a rigid rectangular wing with a mechanism that is capable of emulating complex insect wing kinematics,... 
ENGINEERING, AEROSPACE | Airplanes | Wings | Analysis | Drone aircraft | Design and construction | Properties | Flaps (Airplanes) | Testing | Aerodynamics | Aircraft | Wind tunnel testing | Wind tunnels | Fluid dynamics | Wings (aircraft) | Kinematics | Fluid flow | Flapping
Journal Article
Experiments in fluids, ISSN 1432-1114, 2018, Volume 59, Issue 12, pp. 1 - 15
One challenge that plagues the high-speed operation of rotorcraft is the inherent increase in size of the reverse flow region on the retreating side of the... 
Engineering | Engineering Fluid Dynamics | Fluid- and Aerodynamics | Engineering Thermodynamics, Heat and Mass Transfer | LIFT | STATIC AIRFOILS | MECHANICS | DISCRETE VORTEX METHOD | ENGINEERING, MECHANICAL | UNSTEADY | Measurement | Turbulence | Numerical analysis | Analysis | Aerospace engineering
Journal Article
Journal of Intelligent Material Systems and Structures, ISSN 1045-389X, 4/2000, Volume 11, Issue 4, pp. 246 - 257
...Fundamental Understanding of Piezoelectric Strain Sensors JAYANT SIROHI* AND INDERJIT CHOPRA Alfred Gessow Rotorcraft Center, Department of Aerospace... 
SYSTEM | MATERIALS SCIENCE, MULTIDISCIPLINARY | ACTUATION
Journal Article
Journal of Aircraft, ISSN 0021-8669, 05/2014, Volume 51, Issue 3, pp. 779 - 791
This paper describes the experimental investigation of a quad-shrouded rotor micro air vehicle and focuses on the hover performance improvements over a... 
ENGINEERING, AEROSPACE | Measurement | Aerodynamics | Usage | Rotors | Design engineering | Aerospace engineering | Drag | Shrouds | Pitch angle | Performance enhancement | Micro air vehicles (MAV) | Diffusers | Vehicles
Journal Article
Journal of Aircraft, ISSN 0021-8669, 07/2017, Volume 54, Issue 4, pp. 1486 - 1497
A comprehensive analysis for evaluating performance and vibratory loads of a coaxial helicopter rotor is developed and validated against existing experimental... 
ENGINEERING, AEROSPACE | Measurement | Usage | Wind tunnels | Rotors | Mechanical properties | Aerodynamics | Testing
Journal Article
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