AEROELASTICITY THE CONTINUUM THEORY

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Aeroelasticity

Author : AV Balakrishnan
ISBN : 9781461436096
Genre : Mathematics
File Size : 41.11 MB
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The author's approach is one of continuum models of the aerodynamic flow interacting with a flexible structure whose behavior is governed by partial differential equations. Both linear and nonlinear models are considered although much of the book is concerned with the former while keeping the latter clearly in view. A complete chapter is also devoted to nonlinear theory. The author has provided new insights into the classical inviscid aerodynamics and raises novel and interesting questions on fundamental issues that have too often been neglected or forgotten in the development of the early history of the subject. The author contrasts his approach with discrete models for the unsteady aerodynamic flow and the finite element model for the structure. Much of the aeroelasticity has been developed with applications formerly in mind because of its enormous consequences for the safety of aircraft. Aeroelastic instabilities such as divergence and flutter and aeroelastic responses to gusts can pose a significant hazard to the aircraft and impact its performance. Yet, it is now recognized that there are many other physical phenomena that have similar characteristics ranging from flows around flexible tall buildings and long span bridges, alternate energy sources such as electric power generation by smart structures to flows internal to the human body. From the foreword: "For the theorist and applied mathematician who wishes an introduction to this fascinating subject as well as for the experienced aeroelastician who is open to new challenges and a fresh viewpoint, this book and its author have much to offer the reader." Earl Dowell, Duke University, USA
Category: Mathematics

An Introduction To The Theory Of Aeroelasticity

Author : Y C Fung
ISBN : 9780486469362
Genre : Science
File Size : 36.46 MB
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Geared toward advanced undergraduates and graduate students, this outstanding text was written by one of the founders of bioengineering and modern biomechanics. It offers unusually thorough coverage of the interaction of aerodynamic forces and elastic structures. It has also proven highly useful to designers and engineers concerned with flutter, structural dynamics, flight loads, and related subjects.An introductory chapter covers concepts of aerodynamics, elasticity, and mechanical vibrations. Chapters 2 through 11 survey aeroelastic problems, their historical background, basic physical concepts, and the principles of analysis. Chapters 12 through 15 contain the fundamentals of oscillating airfoil theory and a brief summary of experimental results. Each chapter is followed by a bibliography, and 147 illustrations and 20 tables illuminate the text.
Category: Science

System Modeling And Optimization

Author : F. Ceragioli
ISBN : 9780387330068
Genre : Technology & Engineering
File Size : 89.34 MB
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This book presents selected proceedings from the 22nd biennial IFIP conference on System Modeling and Optimization, held in Turin, Italy in July of 2005. This edition of the conference is dedicated to the achievements of Camillo Possio, who was killed sixty years ago during the last air raid over Turin. For more information about the 300 other books in the IFIP series, please visit www.springeronline.com.
Category: Technology & Engineering

General Register

Author :
ISBN : UOM:39015065862701
Genre :
File Size : 64.24 MB
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Announcements for the following year included in some vols.
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Free And Moving Boundaries

Author : Roland Glowinski
ISBN : 1420011154
Genre : Mathematics
File Size : 85.48 MB
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Addressing algebraic problems found in biomathematics and energy, Free and Moving Boundaries: Analysis, Simulation and Control discusses moving boundary and boundary control in systems described by partial differential equations (PDEs). With contributions from international experts, the book emphasizes numerical and theoretical control of moving boundaries in fluid structure couple systems, arteries, shape stabilization level methods, family of moving geometries, and boundary control. Using numerical analysis, the contributors examine the problems of optimal control theory applied to PDEs arising from continuum mechanics. The book presents several applications to electromagnetic devices, flow, control, computing, images analysis, topological changes, and free boundaries. It specifically focuses on the topics of boundary variation and control, dynamical control of geometry, optimization, free boundary problems, stabilization of structures, controlling fluid-structure devices, electromagnetism 3D, and inverse problems arising in areas such as biomathematics. Free and Moving Boundaries: Analysis, Simulation and Control explains why the boundary control of physical systems can be viewed as a moving boundary control, empowering the future research of select algebraic areas.
Category: Mathematics

Transactions Of The American Society Of Civil Engineers

Author : American Society of Civil Engineers
ISBN : UOM:39015048081288
Genre : Civil engineering
File Size : 66.6 MB
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v. 29-30 include papers of the International Engineering Congress, Chicago, 1893; v. 54 includes papers of the International Engineering Congress, St. Louis, 1904.
Category: Civil engineering

Introduction To Aircraft Aeroelasticity And Loads

Author : Jan R. Wright
ISBN : STANFORD:36105124061925
Genre : Technology & Engineering
File Size : 47.39 MB
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Introduces the foundations of aeroelasticity and loads for the flexible aircraft, providing an understanding of the main concepts involved and relating them to aircraft behavior and industrial practice. This book emphasises on the strong link between aeroelasticity and loads.
Category: Technology & Engineering

Aeroelasticity Using The Finite Element Method

Author : Erasmo Carrera
ISBN : 1118337859
Genre : Technology & Engineering
File Size : 88.17 MB
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Uses advanced structural theories to formulate and describe the coupling between finite elements and classical aerodynamic theories Aeroelasticity using the Finite Element Method deals with the Aeroelasticity of lifting bodies (wings and panels) by the Finite Element Method (FEM). It focuses on Aeroelasticity problems related to wings and panels: wings in subsonic range and panel in supersonic regime are treated. The structural models used are built by using classical and advanced one-dimensional (beams) and two-dimensional models (plates/shells) for the analysis of metallic and layered structures made by advanced composite materials. The elastic problems are formulated by means of finite element method. The aerodynamic fields and loadings are expressed by considering known theories used in classical aeroelasticity analysis: strip theory (in both steady and unsteady form), Theodorsen models, Vortex Lattice Method, Double Lattice Method and Piston Theory. Static and dynamic aeroelastic responses are both addressed. Static (divergence) and dynamic (flutter) response, including panel flutter are detailed in the book. Formulates and describes the details of coupling between finite elements and classical aerodynamic theories. Proposes advanced 1D and 2D structural FE models in a form similar to the formulation used in classical beam, plate, shell theories. These advanced theories permit exploration of aeroelastic phenomena that are not considered by classical theories. Discusses classical aeroelasticity problems related to wings and panels. A valuable resource for Researchers in continuum mechanic of solids and structures
Category: Technology & Engineering

Introduction To Structural Dynamics And Aeroelasticity

Author : Dewey H. Hodges
ISBN : 9781139499927
Genre : Technology & Engineering
File Size : 78.64 MB
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This text provides an introduction to structural dynamics and aeroelasticity, with an emphasis on conventional aircraft. The primary areas considered are structural dynamics, static aeroelasticity and dynamic aeroelasticity. The structural dynamics material emphasizes vibration, the modal representation and dynamic response. Aeroelastic phenomena discussed include divergence, aileron reversal, airload redistribution, unsteady aerodynamics, flutter and elastic tailoring. More than one hundred illustrations and tables help clarify the text and more than fifty problems enhance student learning. This text meets the need for an up-to-date treatment of structural dynamics and aeroelasticity for advanced undergraduate or beginning graduate aerospace engineering students.
Category: Technology & Engineering