Academic literature on the topic 'Edge morphing'

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Journal articles on the topic "Edge morphing"

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Communier, David, Ruxandra Mihaela Botez, and Tony Wong. "Design and Validation of a New Morphing Camber System by Testing in the Price—Païdoussis Subsonic Wind Tunnel." Aerospace 7, no. 3 (2020): 23. http://dx.doi.org/10.3390/aerospace7030023.

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This paper presents the design and wind tunnel testing of a morphing camber system and an estimation of performances on an unmanned aerial vehicle. The morphing camber system is a combination of two subsystems: the morphing trailing edge and the morphing leading edge. Results of the present study show that the aerodynamics effects of the two subsystems are combined, without interfering with each other on the wing. The morphing camber system acts only on the lift coefficient at a 0° angle of attack when morphing the trailing edge, and only on the stall angle when morphing the leading edge. The
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Bashir, Musavir, Mir Hossein Negahban, Ruxandra Mihaela Botez, and Tony Wong. "Numerical Simulation of the Transient Flow around the Combined Morphing Leading-Edge and Trailing-Edge Airfoil." Biomimetics 9, no. 2 (2024): 109. http://dx.doi.org/10.3390/biomimetics9020109.

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An integrated approach to active flow control is proposed by finding both the drooping leading edge and the morphing trailing edge for flow management. This strategy aims to manage flow separation control by utilizing the synergistic effects of both control mechanisms, which we call the combined morphing leading edge and trailing edge (CoMpLETE) technique. This design is inspired by a bionic porpoise nose and the flap movements of the cetacean species. The motion of this mechanism achieves a continuous, wave-like, variable airfoil camber. The dynamic motion of the airfoil’s upper and lower sur
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Zhang, Yaqing, Wenjie Ge, Ziang Zhang, Xiaojuan Mo, and Yonghong Zhang. "Design of compliant mechanism-based variable camber morphing wing with nonlinear large deformation." International Journal of Advanced Robotic Systems 16, no. 6 (2019): 172988141988674. http://dx.doi.org/10.1177/1729881419886740.

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The morphing wing with large deformation can benefit its flight performance a lot in different conditions. In this study, a variable camber morphing wing with compliant leading and trailing edges is designed by large-displacement compliant mechanisms. The compliant mechanisms are carried out by a hyperelastic structure topology optimization, based on a nonlinear meshless method. A laminated leading-edge skin is designed to fit the curvature changing phenomenon of the leading edge during deformation. A morphing wing demonstrator was manufactured to testify its deformation capability. Comparing
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Zhang, Zhenkai, Alessandro De Gaspari, Sergio Ricci, Chen Song, and Chao Yang. "Gradient-Based Aerodynamic Optimization of an Airfoil with Morphing Leading and Trailing Edges." Applied Sciences 11, no. 4 (2021): 1929. http://dx.doi.org/10.3390/app11041929.

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This article presents a gradient-based aerodynamic optimization framework and investigates optimum deformations for a transonic airfoil equipped with morphing leading and trailing edges. Specifically, the proposed optimization framework integrates an innovative morphing shape parameterization with a high fidelity Reynolds-averaged Navier–Stokes computational fluid dynamic solver, a hybrid mesh deformation algorithm, and an efficient gradient evaluation method based on continuous adjoint implementation. To achieve a feasible morphing shape, some structural properties of skin and wing-box constr
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Mao, Sen, Changchuan Xie, Lan Yang, and Chao Yang. "Static Aeroelastic Characteristics of Morphing Trailing-Edge Wing Using Geometrically Exact Vortex Lattice Method." International Journal of Aerospace Engineering 2019 (November 16, 2019): 1–15. http://dx.doi.org/10.1155/2019/5847627.

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A morphing trailing-edge (TE) wing is an important morphing mode in aircraft design. In order to explore the static aeroelastic characteristics of a morphing TE wing, an efficient and feasible method for static aeroelastic analysis has been developed in this paper. A geometrically exact vortex lattice method (VLM) is applied to calculate the aerodynamic forces. Firstly, a typical model of a morphing TE wing is chosen and built which has an active morphing trailing edge driven by a piezoelectric patch. Then, the paper carries out the static aeroelastic analysis of the morphing TE wing and corre
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Xiang, Jinwu, Kai Liu, Daochun Li, Chunxiao Cheng, and Enlai Sha. "Unsteady aerodynamic characteristics of a morphing wing." Aircraft Engineering and Aerospace Technology 91, no. 1 (2018): 1–9. http://dx.doi.org/10.1108/aeat-04-2017-0101.

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Purpose The purpose of this paper is to investigate the unsteady aerodynamic characteristics in the deflection process of a morphing wing with flexible trailing edge, which is based on time-accurate solutions. The dynamic effect of deflection process on the aerodynamics of morphing wing was studied. Design/methodology/approach The computational fluid dynamic method and dynamic mesh combined with user-defined functions were used to simulate the continuous morphing of the flexible trailing edge. The steady aerodynamic characteristics of the morphing deflection and the conventional deflection wer
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Communier, David, Franck Le Besnerais, Ruxandra Mihaela Botez, and Tony Wong. "Design, Manufacturing, and Testing of a New Concept for a Morphing Leading Edge using a Subsonic Blow Down Wind Tunnel." Biomimetics 4, no. 4 (2019): 76. http://dx.doi.org/10.3390/biomimetics4040076.

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This paper presents the design and wind tunnel test results of a wing including a morphing leading edge for a medium unmanned aerial vehicle with a maximum wingspan of 5 m. The design of the morphing leading edge system is part of research on the design of a morphing camber system. The concept presented here has the advantage of being simple to manufacture (wooden construction) and light for the structure of the wing (compliance mechanism). The morphing leading edge prototype demonstrates the possibility of modifying the stall angle of the wing. In addition, the modification of the stall angle
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Kan, Zi, Daochun Li, Shiwei Zhao, Jinwu Xiang, and Enlai Sha. "Aeroacoustic and aerodynamic characteristics of a morphing airfoil." Aircraft Engineering and Aerospace Technology 93, no. 5 (2021): 888–99. http://dx.doi.org/10.1108/aeat-11-2020-0263.

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Purpose This paper aims to assess the aeroacoustic and aerodynamic performance of a morphing airfoil with a flexible trailing edge (FTE). The objective is to make a comparison of the aerodynamic noise characteristics between the conventional airfoil with a flap and morphing airfoil and analyse the noise reduction mechanisms of the morphing airfoil. Design/methodology/approach The computational fluid dynamic method was used to calculate the aerodynamic coefficients of morphing airfoil and the Ffowcs-Williams and Hawking’s acoustic analogy methods were performed to predict the far-field noise of
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Cheng, Gui, Tianrui Ma, Jun Yang, Nan Chang, and Xiang Zhou. "Design and Experiment of a Seamless Morphing Trailing Edge." Aerospace 10, no. 3 (2023): 282. http://dx.doi.org/10.3390/aerospace10030282.

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Morphing trailing edge wing as an important morphing wing technology has gained wide attention because of its advantages, such as gust mitigation, improved aerodynamic efficiency, and reduced radar reflective area. However, the key problems such as low load carrying capacity and insufficient smooth deformation profile are still not solved in a balanced manner. The purpose of this paper is to design a seamless morphing trailing edge structure that has good load bearing capacity and can realize a chord-wise camber variation with a smooth contour subjected to the required aerodynamic load. In thi
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Sodja, Jurij, Marcias J. Martinez, John C. Simpson, and Roeland De Breuker. "Experimental evaluation of a morphing leading edge concept." Journal of Intelligent Material Systems and Structures 30, no. 18-19 (2019): 2953–69. http://dx.doi.org/10.1177/1045389x19862369.

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This article presents an experimental evaluation of a morphing leading edge demonstrator by investigating its morphed shape, the level of induced strains in the airfoil skin, the actuation force, and the morphing mechanism’s capability to lock and transfer the applied loads. In addition, a finite element model of the demonstrator is assembled comprising an elastic morphing skin and a kinematic morphing mechanism. The obtained results are used to assess whether the demonstrator performs according to the design objectives, such as the target shape, the character of the morphing deformation and t
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Dissertations / Theses on the topic "Edge morphing"

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Marcantoni, Matteo. "Design and development of a morphing wing trailing edge." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018.

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Modern aircraft rely on mechanical actuators and hydraulic systems to move flaps and slats that allow an increase of lift at low speed. Although these systems are reliable and really efficient, gaps in between the extendable parts of flaps create lots of noise. Moreover, the conventional actuation system is quite complex due to the need for oleo-dynamic cylinders (or electrical actuators), hinges, leverages, slides. Furthermore, these devices have discrete displacement of motion (in terms of angle) and they can be used during take-off and landing phases only due to the high dynamic pressure
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Morishima, Ryoko. "Analysis of composite wing structures with a morphing leading edge." Thesis, Cranfield University, 2011. http://dspace.lib.cranfield.ac.uk/handle/1826/6797.

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One of the main challenges for the civil aviation industry is the reduction of its environmental impact. Over the past years, improvements in performance efficiency have been achieved by simplifying the design of the structural components and using composite materials to reduce the overall weight. These approaches however, are not sufficient to meet the current demanding requirements set for a „greener‟ aircraft. Significant changes in drag reduction and fuel consumption can be obtained by using new technologies, such as smart morphing structures. These concepts will in fact help flow laminari
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Pecorella, Daniele. "Methodology for the design and optimization of a morphing wing droop-nose structure for greener aircraft." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2022.

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Droop-Nose Leading Edge (DNLE) morphing wings are one of the most promising devices in order to achieve aerodynamic drag and noise reduction during take-off and landing phases. An accurate design of these structures could lead to the decrease of aircraft fuel consumption in the perspective of reaching a greener aviation, following the objectives indicated by Flightpath 2050 issued by the E.U. However, due to the challenges related to the realization of this technology and TRL reached, DNLE are more likely implemented in Unmanned Aerial Systems (UAS) for testing and evaluation purposes. In the
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Gu, Hui-Zhen, and 古蕙媜. "Automatic morphing and edge map for face recognition." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/69761816007595551389.

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碩士<br>國立交通大學<br>資訊科學與工程研究所<br>95<br>Face recognition has received much attention during the past several years. Principal component analysis (PCA) is one of the most successful methods for face recognition but it is not highly accurate when the illumination and pose of the facial images vary considerably. Many researches have discussed some solutions to solve the illumination and pose problems, but most of them need multiple training images. This paper presents a novel face recognition system based on PCA, named Automatic Pose normalization and Edge map face Recognizer (APER). The idea is to a
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Books on the topic "Edge morphing"

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Stevens, Craig W. Spinal opioid analgesia in the rat. Edited by Paul Farquhar-Smith, Pierre Beaulieu, and Sian Jagger. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198834359.003.0020.

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It is hard to imagine a time when the world of science and medicine did not know that morphine or other opioids administered to the spinal cord produced analgesia. However, this was the current state of knowledge in the early 1970s before the studies of Yaksh and Rudy created one of the most important paradigm shifts in the treatment of pain. The landmark paper is a pharmacology paper describing the results of the first comprehensive study of spinal opioid analgesia in the rat. The study produced the first full dose-response curves for morphine, fentanyl, methadone, and meperidine and proved a
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Book chapters on the topic "Edge morphing"

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Misue, Kazuo. "Improved Scheduling of Morphing Edge Drawing." In Lecture Notes in Computer Science. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-22203-0_24.

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Binucci, Carla, Henry Förster, Julia Katheder, and Alessandra Tappini. "Evaluating Animation Parameters for Morphing Edge Drawings." In Lecture Notes in Computer Science. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-49272-3_17.

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Biedl, Therese, Anna Lubiw, and Michael J. Spriggs. "Morphing Planar Graphs While Preserving Edge Directions." In Graph Drawing. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11618058_2.

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Dimino, Ignazio, Monica Ciminello, Antonio Concilio, Andrè Gratias, Martin Schueller, and Rosario Pecora. "Control System Design for a Morphing Wing Trailing Edge." In Computational Methods in Applied Sciences. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44507-6_9.

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Li, Gang, and Bing Li. "Modeling and Design on Trailing Edge of Morphing Wing." In Advances in Reconfigurable Mechanisms and Robots II. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-23327-7_43.

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Essa, Yasser, Federico Martin de la Escalera Cutillas, Ignazio Dimino, Monica Ciminello, and Antonio Concilio. "Manufacturing and Testing of Smart Morphing SARISTU Trailing Edge." In Smart Intelligent Aircraft Structures (SARISTU). Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22413-8_11.

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Zhang, Ziang, Wenjie Ge, Yaqing Zhang, Rongyi Zhou, Haijun Dong, and Yonghong Zhang. "Design of Morphing Wing Leading Edge with Compliant Mechanism." In Intelligent Robotics and Applications. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-27526-6_33.

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Dimino, Ignazio, Monica Ciminello, Antonio Concilio, et al. "Distributed Actuation and Control of a Morphing Wing Trailing Edge." In Smart Intelligent Aircraft Structures (SARISTU). Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22413-8_9.

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Patel, Krunalkumar N., Anirudh Manoj, Mohammed Shams H. Sayed, K. Shah Kaushal, Swayam J. Shah, and Harshit K. Dave. "Post Processing 3D Printed UAV Wing Enabling Trailing Edge Morphing Technology." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-7787-8_63.

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Vasista, Srinivas, Johannes Riemenschneider, Hans Peter Monner, Ralf Keimer, Felix Nolte, and Peter Horst. "Large-Displacement Morphing Wing Leading Edge Droop Nose: Optimization, Manufacture and Instrumentation." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-52429-6_10.

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Conference papers on the topic "Edge morphing"

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Wang, Ruojun, Zengyan Jiang, and Weilong Yin. "Efficiency of Actuation Force for Aircraft Morphing Trailing Edge." In 2024 3rd International Symposium on Aerospace Engineering and Systems (ISAES). IEEE, 2024. http://dx.doi.org/10.1109/isaes61964.2024.10750946.

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Krishnamurthi, Jayanth, and Farhan Gandhi. "Flight Simulation and Control of a Helicopter Undergoing Rotor Chord Extension Morphing." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11499.

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The current study focuses on flight simulation and control of a helicopter undergoing rotor chord morphing. A model-following dynamic inversion controller with inner and outer loop control laws (CLAWS) is implemented and chord extension is introduced as an additional feedforward component to the inner loop CLAW. Simulation results based on a chord-morphing variant of the UH-60A Black Hawk helicopter at 20,000 lbs gross weight are presented. From the baseline rotor blade, the chord is increased from 63% to 83% of the rotor span by means of a trailing-edge plate (TEP) extension at a deployment a
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Hayden, Eric, and Farhan Gandhi. "Design, Development, and Hover Testing of a Helicopter Rotor Blade Chord Extension Morphing System." In Vertical Flight Society 70th Annual Forum & Technology Display. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9657.

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A rotor blade chord extension system was designed, fabricated and hover tested, using electromechanical and pneumatic actuation. A 1.5 in actuator stroke output in the spanwise direction was converted into chordwise motion of a trailing-edge plate, via a rigid link. On the hover stand, with a 20 Volt DC input, the electromechanical actuator was shown to fully extend and retract the plate at rotational speeds up to 385 RPM (which put the system at a centrifugal loading of 209.5 g, or 47.2% of that on a Black Hawk helicopter at 73% span). The configuration was changed to reduce the actuator forc
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Jacobellis, George, Farhan Gandhi, Thomas Rice, and Michael Amitay. "Computational and Experimental Investigation of Camber Morphing Airfoils for Reverse Flow Drag Reduction on High-Speed Rotorcraft." In Vertical Flight Society 74th Annual Forum & Technology Display. The Vertical Flight Society, 2018. http://dx.doi.org/10.4050/f-0074-2018-12686.

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Through computational fluid dynamics simulations and wind tunnel tests this study examines a NACA63-218 airfoil in reverse flow at Re = 375,000, and demonstrates reduction in reverse flow drag through the introduction of reflex camber when the airfoil is pitched nose up in reverse flow. Of the three dominant sources of reverse flow drag - ram pressure on the upper surface near the trailing-edge, suction on the lower surface near the trailing-edge, and bluff body separation at the rounded nose, reflex camber influences the first two, while leaving the third mostly unaffected. The change in trai
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Mkhoyan, Tigran, Nisarg Rashmin Thakrar, Roeland De Breuker, and Jurij Sodja. "Design of a Smart Morphing Wing Using Integrated and Distributed Trailing Edge Camber Morphing." In ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/smasis2020-2370.

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Abstract In this study, the design and development of an autonomous morphing wing concept were investigated. This morphing wing was developed in the scope of, the Smart-X project, aiming to demonstrate in-flight performance optimisation. This study proposed a novel distributed morphing concept, with six Translation Induced Camber (TRIC) morphing trailing edge modules, inter-connected triangular skin segments joined by an elastomer material to allow seamless variation of local lift distribution along the wingspan. An FSI structural optimisation tool was developed, to achieve this optimised desi
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Svoboda, Filip, and Martin Hromcik. "Construction of the smooth morphing trailing edge demonstrator." In 2019 22nd International Conference on Process Control (PC19). IEEE, 2019. http://dx.doi.org/10.1109/pc.2019.8815050.

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Sodja, Jurij, Marcias J. Martinez, John C. Simpson, and Roeland De Breuker. "Experimental Evaluation of the Morphing Leading Edge Concept." In 23rd AIAA/AHS Adaptive Structures Conference. American Institute of Aeronautics and Astronautics, 2015. http://dx.doi.org/10.2514/6.2015-0791.

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Moulton, Ben, and Douglas F. Hunsaker. "3D-Printed Wings with Morphing Trailing-Edge Technology." In AIAA Scitech 2021 Forum. American Institute of Aeronautics and Astronautics, 2021. http://dx.doi.org/10.2514/6.2021-0351.

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Ai, Qing, and Paul Weaver. "A novel span-wise morphing trailing edge concept." In 25th AIAA/AHS Adaptive Structures Conference. American Institute of Aeronautics and Astronautics, 2017. http://dx.doi.org/10.2514/6.2017-0055.

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Su, Pyae, and Eun Jung Chae. "Aerodynamic characteristic of the continuous morphing trailing edge." In Active and Passive Smart Structures and Integrated Systems XIII, edited by Alper Erturk. SPIE, 2019. http://dx.doi.org/10.1117/12.2514346.

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