Fluid Structure Interaction Simulations Of A Flapping Wing Micro Air Vehicle

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Fluid-structure Interaction Simulations of a Flapping Wing Micro Air Vehicle

Author : Alex W. Byrd
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (14 download)

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Book Synopsis Fluid-structure Interaction Simulations of a Flapping Wing Micro Air Vehicle by : Alex W. Byrd

Download or read book Fluid-structure Interaction Simulations of a Flapping Wing Micro Air Vehicle written by Alex W. Byrd and published by . This book was released on 2014 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interest in micro air vehicles (MAVs) for reconnaissance and surveillance has grown steadily in the last decade. Prototypes are being developed and built with a variety of capabilities, such as the ability to hover and glide. However, the design of these vehicles is hindered by the lack of understanding of the underlying physics; therefore, the design process for MAVs has relied mostly on trial-and-error based production. Fluid-Structure Interaction (FSI) techniques can be used to improve upon the results found in traditional computational fluid dynamics (CFD) simulations. In this thesis, a verification of FSI is first completed, followed by FSI MAV simulations looking at different prescribed amplitudes and flapping frequencies. Finally, a qualitative comparison is made to high speed footage of an MAV. While the results show there are still model improvements that can be made, this thesis hopes to be a stepping stone for future analyses for FSI MAV simulations.

An Introduction to Flapping Wing Aerodynamics

Author : Wei Shyy
Publisher : Cambridge University Press
ISBN 13 : 1107067987
Total Pages : 321 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis An Introduction to Flapping Wing Aerodynamics by : Wei Shyy

Download or read book An Introduction to Flapping Wing Aerodynamics written by Wei Shyy and published by Cambridge University Press. This book was released on 2013-08-19 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an ideal book for graduate students and researchers interested in the aerodynamics, structural dynamics and flight dynamics of small birds, bats and insects, as well as of micro air vehicles (MAVs), which present some of the richest problems intersecting science and engineering. The agility and spectacular flight performance of natural flyers, thanks to their flexible, deformable wing structures, as well as to outstanding wing, tail and body coordination, is particularly significant. To design and build MAVs with performance comparable to natural flyers, it is essential that natural flyers' combined flexible structural dynamics and aerodynamics are adequately understood. The primary focus of this book is to address the recent developments in flapping wing aerodynamics. This book extends the work presented in Aerodynamics of Low Reynolds Number Flyers (Shyy et al. 2008).

Dynamic-Mesh CFD and Its Application to Flapping-Wing Micro-Air Vehicles

Author :
Publisher :
ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Dynamic-Mesh CFD and Its Application to Flapping-Wing Micro-Air Vehicles by :

Download or read book Dynamic-Mesh CFD and Its Application to Flapping-Wing Micro-Air Vehicles written by and published by . This book was released on 2006 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: We are currently developing new numerical simulation methods and computational fluid dynamics (CFD) codes designed for advanced fluid-structure interaction (FSI) applications that have moving mechanical components and/or changing domain shapes. The method is called Dynamic-Mesh (DM) and is currently being implemented in parallel within our XFlow CFD simulation code. This method involves the tight coupling of automatic mesh generation (AMG) technology with more traditional parallel CFD methods designed for unstructured meshes. By coupling these two distinct technologies together, the mesh generation process never stops and continues throughout the entire simulation. By doing this, we can define a so-called "dynamic" mesh that has the ability to adjust, change, and modify its structure in response to any changes in geometry or other factors. DM-CFD technology of XFlow can be used to model the fluid flow around or within flapping-wing vehicles, rotorcraft, engines, turbines, pumps, airdrop systems, and has applicability to modeling free-surface flow, fluid-particle flow, energy/nuclear systems, and many bio-medical applications. Traditionally, these are some of the most difficult applications to simulate. We are currently demonstrating and testing the DM technique and the capabilities of XFlow through a series of complex FSI applications. These applications include the simulation of airdrop systems involving the deployment (i.e. opening) of parachutes, bio-medical applications, and the simulation of micro air vehicles (MAV) and biological systems. Results of the modeling of a flapping-wing MAV will be highlighted here to demonstrate the capabilities and potential of the DM method in XFlow, as well as providing some illustrative results for an interesting application.

Flow Modulation and Fluid—Structure Interaction at Airplane Wings

Author : Josef Ballmann
Publisher : Springer Science & Business Media
ISBN 13 : 3540448667
Total Pages : 396 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Flow Modulation and Fluid—Structure Interaction at Airplane Wings by : Josef Ballmann

Download or read book Flow Modulation and Fluid—Structure Interaction at Airplane Wings written by Josef Ballmann and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research work of the collaborative research center SFB401 Flow Modulation and Fluid-Structure Interaction at Airplane Wings at the Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, which is reported in this book, was pos sible due to the financial support of the Deutsche Forschungsgemeinschaft (DFG). The proposal has been approved after evaluation by the referees of DFG selected from other universities and industry, which is gratefully acknowledged. The work is still in progress and now approved to continue until the end of year 2005. More than 50 scientists from universities of the United States, Russia, France, Italy, Japan, Great Britain, Sweden, Netherlands, Switzerland, Austria and research orga nizations NASA, ONERA, NLR, DLR could be invited and have visited the research center, gave seminars on their research on related topics and some of them stayed longer for joined work. Besides its scientific value, also the importance of the pro gram for scientific educa tion becomes evident by looking at the numbers of completed theses, which are up to now about 15 doctoral theses, 40 diploma theses and 70 study theses. The authors of this book acknowledge the valuable support coming from all these persons and institutions. They are especially grateful to the referees having reviewed this work, A. Cohen (Universite Pierre et Marie Curie), J. Cooper (Manchester School of Engineering), W. Devenport (Virginia Tech.), M. Drela (MIT), F. Gern (Avionics Specialties Inc.), A. Griewank (TU Dresden), H. Hönlinger (DLR), P.

Development and Testing of Computational Models of a Flapping Wing and a High Altitude Long Endurance Aircraft for High-fidelity Nonlinear Multidisciplinary Simulations

Download Development and Testing of Computational Models of a Flapping Wing and a High Altitude Long Endurance Aircraft for High-fidelity Nonlinear Multidisciplinary Simulations PDF Online Free

Author : Meir Messingher Lang
Publisher : Stanford University
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Development and Testing of Computational Models of a Flapping Wing and a High Altitude Long Endurance Aircraft for High-fidelity Nonlinear Multidisciplinary Simulations by : Meir Messingher Lang

Download or read book Development and Testing of Computational Models of a Flapping Wing and a High Altitude Long Endurance Aircraft for High-fidelity Nonlinear Multidisciplinary Simulations written by Meir Messingher Lang and published by Stanford University. This book was released on 2011 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the present thesis numerical aeroelastic models are developed for a Flapping Wing System and a High Altitude Long Endurance Aircraft. Fluid and structural models are created separately. Conception and development of highly complex and detailed models for both systems are explained. Common to both models is the characteristic large displacements of their structural dynamic behavior. This raises the need for nonlinear considerations on the structural solver. For the fluid solver the Arbitrary Lagrangian Eulerian formulation revealed to be not appropriate due to the lack of robustness under large deformations of the mesh. Hence, an Eulerian framework is used which showed to be successful in simulating the aeroelastic response of the systems. Numerical tests conducted separately on the fluid and structural models of each system are presented. These are done to study their character and check if their behavior seems physical since no corresponding experimental data is available. After successful tests, an aeroelastic simulation is performed for both systems, demonstrating the readability of the models for fluid-structure interaction analyses. Since the considered models tend to be large-scale, they require massive computational effort to be solved. Finally, a study on Reduced Order Modeling of an aeroelastic problem is performed; this as an attempt to find a way of reducing the resources required to analyze the contemplated systems.

Frontiers in Computational Fluid-Structure Interaction and Flow Simulation

Author : Tayfun E. Tezduyar
Publisher : Springer
ISBN 13 : 3319964690
Total Pages : 493 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis Frontiers in Computational Fluid-Structure Interaction and Flow Simulation by : Tayfun E. Tezduyar

Download or read book Frontiers in Computational Fluid-Structure Interaction and Flow Simulation written by Tayfun E. Tezduyar and published by Springer. This book was released on 2018-10-26 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational fluid-structure interaction and flow simulation are challenging research areas that bring solution and analysis to many classes of problems in science, engineering, and technology. Young investigators under the age of 40 are conducting much of the frontier research in these areas, some of which is highlighted in this book. The first author of each chapter took the lead role in carrying out the research presented. The topics covered include Computational aerodynamic and FSI analysis of wind turbines, Simulating free-surface FSI and fatigue-damage in wind-turbine structural systems, Aorta flow analysis and heart valve flow and structure analysis, Interaction of multiphase fluids and solid structures, Computational analysis of tire aerodynamics with actual geometry and road contact, and A general-purpose NURBS mesh generation method for complex geometries. This book will be a valuable resource for early-career researchers and students — not only those interested in computational fluid-structure interaction and flow simulation, but also other fields of engineering and science, including fluid mechanics, solid mechanics and computational mathematics – as it will provide them with inspiration and guidance for conducting their own successful research. It will also be of interest to senior researchers looking to learn more about successful research led by those under 40 and possibly offer collaboration to these researchers.

The DelFly

Author : G.C.H.E. de Croon
Publisher : Springer
ISBN 13 : 9401792089
Total Pages : 221 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis The DelFly by : G.C.H.E. de Croon

Download or read book The DelFly written by G.C.H.E. de Croon and published by Springer. This book was released on 2015-11-26 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the topics most relevant to autonomously flying flapping wing robots: flapping-wing design, aerodynamics, and artificial intelligence. Readers can explore these topics in the context of the "Delfly", a flapping wing robot designed at Delft University in The Netherlands. How are tiny fruit flies able to lift their weight, avoid obstacles and predators, and find food or shelter? The first step in emulating this is the creation of a micro flapping wing robot that flies by itself. The challenges are considerable: the design and aerodynamics of flapping wings are still active areas of scientific research, whilst artificial intelligence is subject to extreme limitations deriving from the few sensors and minimal processing onboard. This book conveys the essential insights that lie behind success such as the DelFly Micro and the DelFly Explorer. The DelFly Micro, with its 3.07 grams and 10 cm wing span, is still the smallest flapping wing MAV in the world carrying a camera, whilst the DelFly Explorer is the world's first flapping wing MAV that is able to fly completely autonomously in unknown environments. The DelFly project started in 2005 and ever since has served as inspiration, not only to many scientific flapping wing studies, but also the design of flapping wing toys. The combination of introductions to relevant fields, practical insights and scientific experiments from the DelFly project make this book a must-read for all flapping wing enthusiasts, be they students, researchers, or engineers.

Aerodynamics of the Airplane

Author : Hermann Schlichting
Publisher : McGraw-Hill Companies
ISBN 13 :
Total Pages : 560 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Aerodynamics of the Airplane by : Hermann Schlichting

Download or read book Aerodynamics of the Airplane written by Hermann Schlichting and published by McGraw-Hill Companies. This book was released on 1979 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Flapping Wing Vehicles

Author : Lung-Jieh Yang
Publisher : CRC Press
ISBN 13 : 1000442624
Total Pages : 427 pages
Book Rating : 4.0/5 (4 download)

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Book Synopsis Flapping Wing Vehicles by : Lung-Jieh Yang

Download or read book Flapping Wing Vehicles written by Lung-Jieh Yang and published by CRC Press. This book was released on 2021-09-30 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flapping wing vehicles (FWVs) have unique flight characteristics and the successful flight of such a vehicle depends upon efficient design of the flapping mechanisms while keeping the minimum weight of the structure. Flapping Wing Vehicles: Numerical and Experimental Approach discusses design and kinematic analysis of various flapping wing mechanisms, measurement of flap angle/flapping frequency, and computational fluid dynamic analysis of motion characteristics including manufacturing techniques. The book also includes wind tunnel experiments, high-speed photographic analysis of aerodynamic performance, soap film visualization of 3D down washing, studies on the effect of wing rotation, figure-of-eight motion characteristics, and more. Features Covers all aspects of FWVs needed to design one and understand how and why it flies Explains related engineering practices including flapping mechanism design, kinematic analysis, materials, manufacturing, and aerodynamic performance measures using wind tunnel experiments Includes CFD analysis of 3D wing profile, formation flight of FWVs, and soap film visualization of flapping wings Discusses dynamics and image-based control of a group of ornithopters Explores indigenous PCB design for achieving altitude and attitude control This book is aimed at researchers and graduate students in mechatronics, materials, aerodynamics, robotics, biomimetics, vehicle design and MAV/UAV.

Development and Testing of Computational Models of a Flapping Wing and a High Altitude Long Endurance Aircraft for High-fidelity Nonlinear Multidisciplinary Simulations

Author : Meir Messingher Lang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (745 download)

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Download or read book Development and Testing of Computational Models of a Flapping Wing and a High Altitude Long Endurance Aircraft for High-fidelity Nonlinear Multidisciplinary Simulations written by Meir Messingher Lang and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In the present thesis numerical aeroelastic models are developed for a Flapping Wing System and a High Altitude Long Endurance Aircraft. Fluid and structural models are created separately. Conception and development of highly complex and detailed models for both systems are explained. Common to both models is the characteristic large displacements of their structural dynamic behavior. This raises the need for nonlinear considerations on the structural solver. For the fluid solver the Arbitrary Lagrangian Eulerian formulation revealed to be not appropriate due to the lack of robustness under large deformations of the mesh. Hence, an Eulerian framework is used which showed to be successful in simulating the aeroelastic response of the systems. Numerical tests conducted separately on the fluid and structural models of each system are presented. These are done to study their character and check if their behavior seems physical since no corresponding experimental data is available. After successful tests, an aeroelastic simulation is performed for both systems, demonstrating the readability of the models for fluid-structure interaction analyses. Since the considered models tend to be large-scale, they require massive computational effort to be solved. Finally, a study on Reduced Order Modeling of an aeroelastic problem is performed; this as an attempt to find a way of reducing the resources required to analyze the contemplated systems.

Flow Modulation and Fluid-Structure Interaction at Airplane Wings

Author : Josef Ballmann
Publisher :
ISBN 13 : 9783642536120
Total Pages : 412 pages
Book Rating : 4.5/5 (361 download)

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Book Synopsis Flow Modulation and Fluid-Structure Interaction at Airplane Wings by : Josef Ballmann

Download or read book Flow Modulation and Fluid-Structure Interaction at Airplane Wings written by Josef Ballmann and published by . This book was released on 2003-08-08 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents results of the interdisciplinary research work from the collaborative research center SFB 401: "Flow Modulation and Fluid-Structure Interaction at Airplane Wings" at RWTH Aachen, Germany The research reported here comprises work from the first five years of its funding by the Deutsche Forschungsgemeinschaft, DFG. The center is concerned with fundamental problems of very high capacity aircraft with large elastic wings capable of transonic transport. In all of the 14 projects to date, the following laboratories have cooperated: Aircraft Design and Aeronautics, Aerodynamics, Lightweight Structures, Flight Dynamics, Geometry and Practical Mathematics, Numerical Mathematics, Scientific Computing and Mechanics. The work is still in progress and presently approved to continue until the end of 2005.

Computational Fluid-Structure Interaction

Author : Yong Zhao
Publisher : Academic Press
ISBN 13 : 0128147717
Total Pages : 507 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Computational Fluid-Structure Interaction by : Yong Zhao

Download or read book Computational Fluid-Structure Interaction written by Yong Zhao and published by Academic Press. This book was released on 2018-09-25 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational Fluid-Structure Interaction: Methods, Models, and Applications provides detailed explanations of a range of FSI models, their mathematical formulations, validations, and applications, with an emphasis on conservative unstructured-grid FVM. The first part of the book presents the nascent numerical methods, algorithms and solvers for both compressible and incompressible flows, computational structural dynamics (CSD), parallel multigrid, IOM, IMM and ALE methods. The second half covers the validations of these numerical methods and solvers, as well as their applications in a broad range of areas in basic research and engineering. - Provides a comprehensive overview of the latest numerical methods used in FSI, including the unstructured-grid finite volume method (FVM), parallel multigrid scheme, overlapping mesh, immersed object method (IOM), immersed membrane method (IMM), arbitrary Lagragian-Eulerian (ALE), and more - Provides full details of the numerical methods, solvers and their validations - Compares different methods to help readers more effectively choose the right approach for their own FSI problems - Features real-life FSI case studies, such as large eddy simulation of aeroelastic flutter of a wing, parallel computation of a bio-prosthetic heart valve, and ALE study of a micro aerial vehicle

Fluid-Structure Interaction

Author : Hans-Joachim Bungartz
Publisher : Springer Science & Business Media
ISBN 13 : 3540345965
Total Pages : 401 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Fluid-Structure Interaction by : Hans-Joachim Bungartz

Download or read book Fluid-Structure Interaction written by Hans-Joachim Bungartz and published by Springer Science & Business Media. This book was released on 2007-06-24 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume in the series Lecture Notes in Computational Science and Engineering presents a collection of papers presented at the International Workshop on FSI, held in October 2005 in Hohenwart and organized by DFG's Research Unit 493 "FSI: Modeling, Simulation, and Optimization". The papers address partitioned and monolithic coupling approaches, methodical issues and applications, and discuss FSI from the mathematical, informatics, and engineering points of view.

The Biology of Dragonflies (Odonata Or Paraneuroptera)

Author : Robin John Tillyard
Publisher : Franklin Classics Trade Press
ISBN 13 : 9780353214705
Total Pages : 426 pages
Book Rating : 4.2/5 (147 download)

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Book Synopsis The Biology of Dragonflies (Odonata Or Paraneuroptera) by : Robin John Tillyard

Download or read book The Biology of Dragonflies (Odonata Or Paraneuroptera) written by Robin John Tillyard and published by Franklin Classics Trade Press. This book was released on 2018-11-10 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Journal of Vibration Testing and System Dynamics

Author : Jan Awrejcewicz
Publisher : L& H Scientific Publishing
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4./5 ( download)

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Book Synopsis Journal of Vibration Testing and System Dynamics by : Jan Awrejcewicz

Download or read book Journal of Vibration Testing and System Dynamics written by Jan Awrejcewicz and published by L& H Scientific Publishing. This book was released on 2018-07-01 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vibration Testing and System Dynamics is an interdisciplinary journal serving as the forum for promoting dialogues among engineering practitioners and research scholars. As the platform for facilitating the synergy of system dynamics, testing, design, modeling, and education, the journal publishes high-quality, original articles in the theory and applications of dynamical system testing. The aim of the journal is to stimulate more research interest in and attention for the interaction of theory, design, and application in dynamic testing. Manuscripts reporting novel methodology design for modelling and testing complex dynamical systems with nonlinearity are solicited. Papers on applying modern theory of dynamics to real-world issues in all areas of physical science and description of numerical investigation are equally encouraged. Progress made in the following topics are of interest, but not limited, to the journal: Vibration testing and designDynamical systems and controlTesting instrumentation and controlComplex system dynamics in engineeringDynamic failure and fatigue theoryChemical dynamics and bio-systemsFluid dynamics and combustionPattern dynamicsNetwork dynamicsPlasma physics and plasma dynamicsControl signal synchronization and trackingBio-mechanical systems and devicesStructural and multi-body dynamicsFlow or heat-induced vibrationMass and energy transfer dynamicsWave propagation and testing

Advances in Computational Fluid-Structure Interaction and Flow Simulation

Author : Yuri Bazilevs
Publisher : Birkhäuser
ISBN 13 : 3319408275
Total Pages : 487 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Advances in Computational Fluid-Structure Interaction and Flow Simulation by : Yuri Bazilevs

Download or read book Advances in Computational Fluid-Structure Interaction and Flow Simulation written by Yuri Bazilevs and published by Birkhäuser. This book was released on 2016-10-04 with total page 487 pages. Available in PDF, EPUB and Kindle. Book excerpt: This contributed volume celebrates the work of Tayfun E. Tezduyar on the occasion of his 60th birthday. The articles it contains were born out of the Advances in Computational Fluid-Structure Interaction and Flow Simulation (AFSI 2014) conference, also dedicated to Prof. Tezduyar and held at Waseda University in Tokyo, Japan on March 19-21, 2014. The contributing authors represent a group of international experts in the field who discuss recent trends and new directions in computational fluid dynamics (CFD) and fluid-structure interaction (FSI). Organized into seven distinct parts arranged by thematic topics, the papers included cover basic methods and applications of CFD, flows with moving boundaries and interfaces, phase-field modeling, computer science and high-performance computing (HPC) aspects of flow simulation, mathematical methods, biomedical applications, and FSI. Researchers, practitioners, and advanced graduate students working on CFD, FSI, and related topics will find this collection to be a definitive and valuable resource.

CFD Based Aerodynamic Modeling to Study Flight Dynamics of a Flapping Wing Micro Air Vehicle

Author : Alok Ashok Rege
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (823 download)

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Book Synopsis CFD Based Aerodynamic Modeling to Study Flight Dynamics of a Flapping Wing Micro Air Vehicle by : Alok Ashok Rege

Download or read book CFD Based Aerodynamic Modeling to Study Flight Dynamics of a Flapping Wing Micro Air Vehicle written by Alok Ashok Rege and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The demand for small unmanned air vehicles, commonly termed micro air ve- hicles or MAV's, is rapidly increasing. Driven by applications ranging from civil search-and-rescue missions to military surveillance missions, there is a rising level of interest and investment in better vehicle designs, and miniaturized components are enabling many rapid advances. The need to better understand fundamental aspects of ight for small vehicles has spawned a surge in high quality research in the area of micro air vehicles. These aircraft have a set of constraints which are, in many ways, considerably di erent from that of traditional aircraft and are often best addressed by a multidisciplinary approach. Fast-response non-linear controls, nano-structures, in- tegrated propulsion and lift mechanisms, highly exible structures, and low Reynolds aerodynamics are just a few of the important considerations which may be combined in the execution of MAV research. The main objective of this thesis is to derive a consistent nonlinear dynamic model to study the ight dynamics of micro air vehicles with a reasonably accurate representation of aerodynamic forces and moments. The research is divided into two sections. In the rst section, derivation of the nonlinear dynamics of apping wing micro air vehicles is presented. The apping wing micro air vehicle (MAV) used in this research is modeled as a system of three rigid bodies: a body and two wings. The design is based on an insect called Drosophila Melanogaster, commonly known as fruit- y. The mass and inertial e ects of the wing on the body are neglected for the present work. The nonlinear dynamics is simulated with the aerodynamic data published in the open literature. The apping frequency is used as the control input. Simulations are run for di erent cases of wing positions and the chosen parameters are studied for boundedness. Results show a qualitative inconsistency in boundedness for some cases, and demand a better aerodynamic data. The second part of research involves preliminary work required to generate new aerodynamic data for the nonlinear model. First, a computational mesh is created over a 2-D wing section of the MAV model. A nite volume based computational ow solver is used to test di erent apping trajectories of the wing section. Finally, a parametric study of the results obtained from the tests is performed.