Isogeometric Analysis And Shape Optimal Design Of Shell Structures PDF Download
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Author | : Josef M. Kiendl |
Publisher | : |
Total Pages | : 0 |
Release | : 2011 |
Genre | : |
ISBN | : |
Download Isogeometric Analysis and Shape Optimal Design of Shell Structures Book in PDF, ePub and Kindle
Author | : Buntara Gan |
Publisher | : CRC Press |
Total Pages | : 173 |
Release | : 2019-10-08 |
Genre | : Technology & Engineering |
ISBN | : 0429680694 |
Download Condensed Isogeometric Analysis for Plate and Shell Structures Book in PDF, ePub and Kindle
Condensed Isogeometric Analysis for Plates and Shell Structures proposes a novel technique for plate and shell governing equations based on isogeometric analysis, which condenses the dynamic equilibrium equation for plate and shell structures—suitable for reducing the computation cost of large degrees of freedom due to the adoption of Non-Uniform Rational Basis Spline (NURBS) models in the plate and shell element formulations. It features useful guidance for understanding the isogeometric approach and includes accompanying MATLAB® source code in each chapter to deepen readers' understanding of the fundamental theories and methods of civil, architectural, and mechanical engineering. Features: Adopts a progressive and rigorous presentation of relevant topics to facilitate use by students, academics, and professionals Seamlessly integrates the CAD geometrical data into the conventional FE plate and shell classical element codes Allows computation of analytical solutions of plate and shell theories based on a newly-introduced condensation method, not approximation theory Includes relevant MATLAB® codes
Author | : M. Farshad |
Publisher | : Springer Science & Business Media |
Total Pages | : 425 |
Release | : 2013-03-09 |
Genre | : Science |
ISBN | : 9401712271 |
Download Design and Analysis of Shell Structures Book in PDF, ePub and Kindle
Shell structures are widely used in the fields of civil, mechanical, architectural, aeronautical, and marine engineering. Shell technology has been enhanced by the development of new materials and prefabrication schemes. Despite the mechanical advantages and aesthetic value offered by shell structures, many engineers and architects are relatively unacquinted with shell behaviour and design. This book familiarizes the engineering and architectural student, as well as the practicing engineer and architect, with the behaviour and design aspects of shell structures. Three aspects are presented: the Physical behaviour, the structural analysis, and the design of shells in a simple, integrated, and yet concise fashion. Thus, the book contains three major aspects of shell engineering: (1) physical understanding of shell behaviour; (2) use of applied shell theories; and (3) development of design methodologies together with shell design examples. The theoretical tools required for rational analysis of shells are kept at a modest level to give a sound grasp of the fundamentals of shell behaviour and, at the same time, an understanding of the related theory, allowing it to be applied to actual design problems. To achieve a physical understanding of complex shell behaviour, quantitative presentations are supplemented by qualitative discussions so that the reader can grasp the `physical feeling' of shell behaviour. A number of analysis and detailed design examples are also worked out in various chapters, making the book a useful reference manual. This book can be used as a textbook and/or a reference book in undergraduate as well as graduate university courses in the fields of civil, mechanical, architectural, aeronautical, and materials engineering. It can also be used as a reference and design-analysis manual for the practicing engineers and architects. The text is supplemented by a number of appendices containing tables of shell analysis and design charts and tables.
Author | : Seonho Cho |
Publisher | : John Wiley & Sons |
Total Pages | : 0 |
Release | : 2021-05-24 |
Genre | : Mathematics |
ISBN | : |
Download Isogeometric Optimal Design Book in PDF, ePub and Kindle
Presents a unified approach for combining CAD, CAE, sensitivity analysis, and optimization, helping readers to understand the theories of the isogeometric finite element method and shape optimization systematically and accurately. • Presents an emerging concept connecting the research topics of Isogeometric Analysis and Shape Optimal Design • Imparts the ability to integrate the computational description of design with computational analysis tools within a single unified framework • Written by authors at the cutting edge of research and application, as well as a top expert in sensitivity analysis • Spans fundamentals of optimization and analysis in addition to providing concrete application examples • Includes sample codes within the book implementing both Isogeometric Analysis and Isogeometric Shape Optimization as an accompaniment to the examples given
Author | : Ernest Hinton |
Publisher | : Springer |
Total Pages | : 0 |
Release | : 2012-10-08 |
Genre | : Technology & Engineering |
ISBN | : 9781447110590 |
Download Analysis and Optimization of Prismatic and Axisymmetric Shell Structures Book in PDF, ePub and Kindle
Shell-type structures can be found almost everywhere. They appear in natural forms but also as man-made, load-bearing components in diverse engineering systems. Mankind has struggled to replicate nature’s optimization of such structures but using modern computational tools it is now possible to analyse, design and optimise them systematically. Analysis and Optimization of Prismatic and Axisymmetric Shell Structures features: comprehensive coverage of the background theory of shell structures; development and implementation of reliable, creative and efficient computational tools for static and free-vibration analysis and structural optimization of variable-thickness shells and folded-plate structures; integrated computer-aided curve and surface modelling tools and automatic mesh generation, structural analysis sensitivity analysis and mathematical programming methods; well-documented, downloadable Fortran software for these techniques using finite element and finite strip simulations which can be readily adapted by the reader for the solution of practical problems or for use within a teaching or research environment. Written by leading experts in finite element and finite strip methods, Analysis and Optimization of Prismatic and Axisymmetric Shell Structures will be of great interest to researchers in structural mechanics and in automotive, aerospace and civil engineering as well as to designers from all fields using shell structures for their strength-per-unit-mass advantages.
Author | : Zhen Lei |
Publisher | : |
Total Pages | : 142 |
Release | : 2015 |
Genre | : |
ISBN | : |
Download Isogeometric Shell Analysis and Optimization for Structural Dynamics Book in PDF, ePub and Kindle
Isogeometric method is a promising method in bridging the gap between the computer aided design and computer aided analysis. No information is lost when transferring the design model to the analysis model. It is a great advantage over the traditional finite element method, where the analysis model is only an approximation of the design model. It is advantageous for structural optimization, the optimal structure obtained will be a design model. In this thesis, the research is focused on the fast three dimensional free shape optimization with isogeometric shell elements. The related research, the development of isogeometric shell elements, the patch coupling in isogeometric analysis, the modal synthesis with isogeometric elements are also studied. We proposed a series of mixed grid Reissner-Minlin shell formulations. It adopts both the interpolatory basis functions, which are from the traditional FEM, and the non-interpolatory basis functions, which are from IGA, to approximate the unknown elds. It gives a natural way to define the fiber vectors in IGA Reissner-Mindlin shell formulations, where the non-interpolatory nature of IGA basis functions causes complexity. It is also advantageous for applying the rotational boundary conditions. A modified reduce quadrature scheme was also proposed to improve the quadrature eficiency, at the same time, relieve the locking in the shell formulations. We gave a method for patch coupling in isogeometric analysis. It is used to connect the adjacent patches. The classical modal synthesis method, the fixed interface Craig-Bampton method, is also used as well as the isogeometric Kirchhoff-Love shell elements. The key problem is also the connection between adjacent patches. The modal synthesis method can largely reduce the time costs in analysis concerning structural dynamics. This part of work lays a foundation for the fast shape optimization of built-up structures, where the design variables are only relevant to certain substructures. We developed a fast shape optimization framework for three dimensional thin wall structure design. The thin wall structure is modelled with isogeometric Kirchhoff-Love shell elements. The analytical sensitivity analysis is the key focus, since the gradient base optimization is normally more fast. There are two models in most optimization problem, the design model and the analysis model. The design variables are defined in the design model, however the analytical sensitivity is normally obtained from the analysis model. Although it is possible to use the same model in analysis and design under isogeomeric framework, it might give either a highly distorted optimum structure or a unreliable structural response. We developed a sensitivity mapping scheme to resolve this problem. The design sensitivity is extracted from the analysis model mesh level sensitivity, which is obtained by the discrete analytical sensitivity analysis. It provides exibility for the design variable definition. The correctness of structure response is also ensured. The modal synthesis method is also used to further improve the optimization eficiency for the built-up structure optimization concerning structural dynamics criteria.
Author | : Robert Schmidt |
Publisher | : |
Total Pages | : 188 |
Release | : 2013 |
Genre | : |
ISBN | : 9783844023107 |
Download Trimming, Mapping, and Optimization in Isogeometric Analysis of Shell Structures Book in PDF, ePub and Kindle
Author | : Buntara Gan |
Publisher | : CRC Press |
Total Pages | : 276 |
Release | : 2019 |
Genre | : Elastic plates and shells |
ISBN | : 9780367023485 |
Download Condensed Isogeometric Analysis for Plate and Shell Structures Book in PDF, ePub and Kindle
Condensed Isogeometric Analysis for Plates and Shell Structures proposes a novel technique for plate and shell governing equations based on isogeometric analysis, which condenses the dynamic equilibrium equation for plate and shell structures--suitable for reducing the computation cost of large degrees of freedom due to the adoption of Non-Uniform Rational Basis Spline (NURBS) models in the plate and shell element formulations. It features useful guidance for understanding the isogeometric approach and includes accompanying MATLAB(R) source code in each chapter to deepen readers' understanding of the fundamental theories and methods of civil, architectural, and mechanical engineering. Features: Adopts a progressive and rigorous presentation of relevant topics to facilitate use by students, academics, and professionals Seamlessly integrates the CAD geometrical data into the conventional FE plate and shell classical element codes Allows computation of analytical solutions of plate and shell theories based on a newly-introduced condensation method, not approximation theory Includes relevant MATLAB(R) codes
Author | : Wojciech Pietraszkiewicz |
Publisher | : CRC Press |
Total Pages | : 574 |
Release | : 2017-10-30 |
Genre | : Technology & Engineering |
ISBN | : 135168048X |
Download Shell Structures: Theory and Applications Volume 4 Book in PDF, ePub and Kindle
Shells are basic structural elements of modern technology and everyday life. Examples of shell structures in technology include automobile bodies, water and oil tanks, pipelines, silos, wind turbine towers, and nanotubes. Nature is full of living shells such as leaves of trees, blooming flowers, seashells, cell membranes or wings of insects. In the human body arteries, the eye shell, the diaphragm, the skin and the pericardium are all shells as well. Shell Structures: Theory and Applications, Volume 4 contains 132 contributions presented at the 11th Conference on Shell Structures: Theory and Applications (Gdansk, Poland, 11-13 October 2017). The papers reflect a wide spectrum of scientific and engineering problems from theoretical modelling through strength, stability and dynamic behaviour, numerical analyses, biomechanic applications up to engineering design of shell structures. Shell Structures: Theory and Applications, Volume 4 will be of interest to academics, researchers, designers and engineers dealing with modelling and analyses of shell structures. It may also provide supplementary reading to graduate students in Civil, Mechanical, Naval and Aerospace Engineering.
Author | : Vasant S. Kelkar |
Publisher | : Prentice Hall |
Total Pages | : 536 |
Release | : 1987 |
Genre | : Technology & Engineering |
ISBN | : |
Download Fundamentals of the Analysis and Design of Shell Structures Book in PDF, ePub and Kindle