Details

Isogeometric Analysis


Isogeometric Analysis

Toward Integration of CAD and FEA
1. Aufl.

von: J. Austin Cottrell, Thomas J. R Hughes, Yuri Bazilevs

99,99 €

Verlag: Wiley
Format: PDF
Veröffentl.: 11.08.2009
ISBN/EAN: 9780470749098
Sprache: englisch
Anzahl Seiten: 360

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Beschreibungen

“The authors are the originators of isogeometric analysis, are excellent scientists and good educators. It is very original. There is no other book on this topic.”<br /> —<b>René de Borst</b>, Eindhoven University of Technology <p>Written by leading experts in the field and featuring fully integrated colour throughout, Isogeometric Analysis provides a groundbreaking solution for the integration of CAD and FEA technologies. Tom Hughes and his researchers, Austin Cottrell and Yuri Bazilevs, present their pioneering isogeometric approach, which aims to integrate the two techniques of CAD and FEA using precise NURBS geometry in the FEA application. This technology offers the potential to revolutionise automobile, ship and airplane design and analysis by allowing models to be designed, tested and adjusted in one integrative stage.</p> <p>Providing a systematic approach to the topic, the authors begin with a tutorial introducing the foundations of Isogeometric Analysis, before advancing to a comprehensive coverage of the most recent developments in the technique. The authors offer a clear explanation as to how to add isogeometric capabilities to existing finite element computer programs, demonstrating how to implement and use the technology. Detailed programming examples and datasets are included to impart a thorough knowledge and understanding of the material.</p> <ul> <li>Provides examples of different applications, showing the reader how to implement isogeometric models</li> <li>Addresses readers on both sides of the CAD/FEA divide</li> <li>Describes Non-Uniform Rational B-Splines (NURBS) basis functions</li> </ul>
<b>Preface</b> <p><b>1 From CAD and FEA to Isogeometric Analysis: An Historical Perspective</b></p> <p>1.1 Introduction</p> <p>1.2 The evolution of FEA basis functions</p> <p>1.3 The evolution of CAD representations</p> <p>1.4 Things you need to get used to in order to understand NURBS-based isogeometric analysis</p> <p>Notes</p> <p><b>2 NURBS as a Pre-analysis Tool: Geometric Design and Mesh Generation</b></p> <p>2.1 B-splines</p> <p>2.2 Non-Uniform Rational B-Splines</p> <p>2.3 Multiple patches</p> <p>2.4 Generating a NURBS mesh: a tutorial</p> <p>2.5 Notation</p> <p>Appendix 2.A: Data for the bent pipe</p> <p>Notes</p> <p><b>3 NURBS as a Basis for Analysis: Linear Problems</b></p> <p>3.1 The isoparametric concept</p> <p>3.2 Boundary value problems</p> <p>3.3 Numerical methods</p> <p>3.4 Boundary conditions</p> <p>3.5 Multiple patches revisited</p> <p>3.6 Comparing isogeometric analysis with classical finite element analysis</p> <p>Appendix 3.A: Shape function routine</p> <p>Appendix 3.B: Error estimates</p> <p>Notes</p> <p><b>4 Linear Elasticity</b></p> <p>4.1 Formulating the equations of elastostatics</p> <p>4.2 Infinite plate with circular hole under constant in-plane tension</p> <p>4.3 Thin-walled structures modeled as solids</p> <p>Appendix 4.A: Geometrical data for the hemispherical shell</p> <p>Appendix 4.B: Geometrical data for a cylindrical pipe</p> <p>Appendix 4.C: Element assembly routine</p> <p>Notes</p> <p><b>5 Vibrations and Wave Propagation</b></p> <p>5.1 Longitudinal vibrations of an elastic rod</p> <p>5.2 Rotation-free analysis of the transverse vibrations of a Bernoulli–Euler beam</p> <p>5.3 Transverse vibrations of an elastic membrane</p> <p>5.4 Rotation-free analysis of the transverse vibrations of a Poisson–Kirchhoff plate</p> <p>5.5 Vibrations of a clamped thin circular plate using three-dimensional solid elements</p> <p>5.6 The NASA aluminum testbed cylinder</p> <p>5.7 Wave propagation</p> <p>Appendix 5.A: Kolmogorov <i>n</i>-widths</p> <p>Notes</p> <p><b>6 Time-Dependent Problems</b></p> <p>6.1 Elastodynamics</p> <p>6.2 Semi-discrete methods</p> <p>6.3 Space–time finite elements</p> <p><b>7 Nonlinear Isogeometric Analysis</b></p> <p>7.1 The Newton–Raphson method</p> <p>7.2 Isogeometric analysis of nonlinear differential equations</p> <p>7.3 Nonlinear time integration: The generalized-<i>α</i> method</p> <p>Note</p> <p><b>8 Nearly Incompressible Solids</b></p> <p>8.1 B formulation for linear elasticity using NURBS</p> <p>8.2 F formulation for nonlinear elasticity</p> <p>Notes</p> <p><b>9 Fluids</b></p> <p>9.1 Dispersion analysis</p> <p>9.2 The variational multiscale (VMS) method</p> <p>9.3 Advection–diffusion equation</p> <p>9.4 Turbulence</p> <p>Notes</p> <p><b>10 Fluid–Structure Interaction and Fluids on Moving Domains</b></p> <p>10.1 The arbitrary Lagrangian–Eulerian (ALE) formulation</p> <p>10.2 Inflation of a balloon</p> <p>10.3 Flow in a patient-specific abdominal aorta with aneurysm</p> <p>10.4 Rotating components</p> <p>Appendix 10.A: A geometrical template for arterial blood flow modeling</p> <p><b>11 Higher-order Partial Differential Equations</b></p> <p>11.1 The Cahn–Hilliard equation</p> <p>11.2 Numerical results</p> <p>11.3 The continuous/discontinuous Galerkin (CDG) method</p> <p>Note</p> <p><b>12 Some Additional Geometry</b></p> <p>12.1 The polar form of polynomials</p> <p>12.2 The polar form of B-splines</p> <p>Note</p> <p><b>13 State-of-the-Art and Future Directions</b></p> <p>13.1 State-of-the-art</p> <p>13.2 Future directions</p> <p><b>Appendix A: Connectivity Arrays</b></p> <p>A.1 The INC Array</p> <p>A.2 The IEN array</p> <p>A.3 The ID array</p> <p><i>A.3.1 The scalar case</i></p> <p><i>A.3.2 The vector case</i></p> <p>A.4 The LM array</p> <p>Note</p> <p><b>References</b></p> <p><b>Index</b></p>
"This is the most beautiful scientific book that I have ever seen. (I am excluding popular science books from this statement; this book matches some of them in its beauty.) The authors, editors and publishers should be congratulated for giving so much attention not just to the content but also to the way the book looks. It is extremely inviting to read." (Iacm Expressions, 1 October 2010)
<p><strong>J. Austin Cottrell, Thomas J. R. Hughes & Yuri Basilievs, University of Texas at Austin, USA</strong><br /><strong>J. Austin Cottrell is a</strong> postdoctoral scholar at the University of Texas at Austin<strong>,</strong> having received his PhD in Computational and Applied Mathematics in 2007. Isogeometric analysis is a topic pioneered by his graduate research under the supervision of Tom Hughes. <p><strong>Tom Hughes</strong> was a leading professor of mechanical engineering at Stanford University before being lured to join the University of Texas at Austin in 2002 as Professor of Aerospace Engineering and Engineering Mechanics within the Institute for Computational Engineering and Sciences. He is co-editor of the <em>International Journal of Computer Methods in Applied Mechanics and Engineering</em>, a founder and past President of USACM and IACM, and past Chairman of the Applied Mechanics Division of ASME. A world leader in the development of the finite element method, he has received the Walter L. Huber Civil Engineering Research Prize from ASCE, the Melville Medal from ASME, the Computational Mechanics Award from the Japan Society of Mechanical Engineers, the von Neumann Medal from USACM, the Gauss-Newton Medal from IACM, and the Worcester Reed Warner Medal from ASME. Dr. Hughes is a member of the National Academy of Engineering. <p><strong>Yuri Basilievs</strong> also obtained his PhD from the University of Texas at Austin in 2007 under the supervision of Tom Hughes.
<b><i>“The authors are the originators of isogeometric analysis, are excellent scientists and good educators. It is very original. There is no other book on this topic.”</i></b> --<b>René de Borst, Eindhoven University of Technology</b> <p>Written by leading experts in the field and featuring fully integrated colour throughout, <i>Isogeometric Analysis</i> provides a groundbreaking solution for the integration of CAD and FEA technologies. Tom Hughes and his researchers, Austin Cottrell and Yuri Bazilevs, present their pioneering isogeometric approach, which aims to integrate the two techniques of CAD and FEA using precise NURBS geometry in the FEA application. This technology offers the potential to revolutionise automobile, ship and airplane design and analysis by allowing models to be designed, tested and adjusted in one integrative stage.</p> <p>Providing a systematic approach to the topic, the authors begin with a tutorial introducing the foundations of Isogeometric Analysis, before advancing to a comprehensive coverage of the most recent developments in the technique. The authors offer a clear explanation as to how to add isogeometric capabilities to existing finite element computer programs, demonstrating how to implement and use the technology. Detailed programming examples and datasets are included to impart a thorough knowledge and understanding of the material.</p> <ul type="disc"> <li>Provides examples of different applications, showing the reader how to implement isogeometric models</li> <li>Addresses readers on both sides of the CAD/FEA divide</li> <li>Describes Non-Uniform Rational B-Splines (NURBS) basis functions</li> </ul>

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