Download or read book BASIS OF THE FINITE ELEMENT METHOD written by BENITO MUÑOZ, Juan José and published by Editorial UNED. This book was released on 2023-10-04 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an introduction to the Finite Element Method (FEM) and is primarily aimed at students, engineers and scientists who already know structural calculation. It starts from the matrix reformulation of the direct stiffness method to understand the enormous potential of introducing the idea of the weak formulation for the approximation of strut structure problems. The correspondence of results between the initial classical formulation and that of the FEM when using linear shape functions and Hermite polynomials, makes it possible to approach its general formulation more easily as a procedure to obtain approximate solutions of differential equations in partial derivatives. It is essential now to introduce the idea of element, which allows, from the definition of a reduced number of base functions and through a simple combination process, to approximate its real behavior and, through superposition, that of the structure.

Download or read book INTRODUCTION TO FINITE ELEMENT METHOD written by Ramón Álvarez Cabal and published by Editorial UNED. This book was released on 2014-04-24 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text is designed for those who already know structural calculation. It starts with the simple exercise of reformulating the direct stiffness method using matrices. The aim is to allow the student to understand the enormous power and generality of the weak formulation for the approximation of strut structure problems by using a formulation which is easy to understand. The correspondence of results of the initial classical formulation with those of the FEM when using linear shape functions and Hermite polynomials allows us to tackle the general formulation of the fundamental concepts of the method more easily. Once the method and the details of its general formulation are understood (although only through its application in a specific structural type), the FEM is presented in a general way, as a procedure for obtaining approximated solutions for partial differential equations. The approaches to field problems and to linear elasticity problems are presented as examples. The method has been now clearly presented and therefore, the selection of the type of element, with the generation of interpolation functions of higher degree and their systematization in element families, can be studied in greater depth. This part finishes with the introduction of the idea of isoparametric transformation that, together with numerical integration, explains the stage of development reached by the method. Finally, the subject relative to plates is dealt with, looking at their specific use as structural elements, and trying to show the difficulty of satisfying the continuity between elements in thin plates, and the shear locking solution in thick plates amongst other things

Download or read book Mathematicae notae written by and published by . This book was released on 1981 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Applied Technologies written by Miguel Botto-Tobar and published by Springer Nature. This book was released on 2020-03-02 with total page 687 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second volume of the three-volume set (CCIS 1193, CCIS 1194, and CCIS 1195) constitutes the refereed proceedings of the First International Conference on Applied Technologies, ICAT 2019, held in Quito, Ecuador, in December 2019. The 124 full papers were carefully reviewed and selected from 328 submissions. The papers are organized according to the following topics: technology trends; computing; intelligent systems; machine vision; security; communication; electronics; e-learning; e-government; e-participation.

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Download or read book Gesti n y Contaminaci n de recursos h dricos written by Antonio Pulido Bosch and published by Universidad Almería. This book was released on 2003-01-01 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Las regiones semiáridas tienen problemas de escasez de agua, agravados por la contaminación. Este libro recoge experiencias de expertos en el dominio de la gestión de las aguas en regiones áridas y semiáridas, con ejemplos sobre Libia o el SW de Estados Unidos. Se analizan la problemática almeriense y el ejemplo paradigmático del abastecimiento a Murcia. La simulación numérica de la contaminación de acuíferos, o un interesante enfoque del agua en la minería, completan una obra de consulta obligada para los especialistas.

Download or read book Developments in Analysis and Design Using Finite Element Methods written by B. Kumar and published by . This book was released on 1999 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains a selection of papers presented at The Seventh International Conference on Civil and Structural Engineering and The Fifth International Conference on the Applications of Artificial Intelligence to Civil and Structural Engineering, held concurrently from 13-15 September 1999, at Oxford, England.

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Download or read book Qualitative Choice Analysis written by Kenneth Train and published by MIT Press. This book was released on 1986 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses two significant research areas in an interdependent fashion. It is first of all a comprehensive but concise text that covers the recently developed and widely applicable methods of qualitative choice analysis, illustrating the general theory through simulation models of automobile demand and use. It is also a detailed study of automobile demand and use, presenting forecasts based on these powerful new techniques. The book develops the general principles that underlie qualitative choice models that are now being applied in numerous fields in addition to transportation, such as housing, labor, energy, communications, and criminology. The general form, derivation, and estimation of qualitative choice models are explained, and the major models - logit, probit, and GEV - are discussed in detail. And continuous/discrete models are introduced. In these, qualitative choice methods and standard regression techniques are combined to analyze situations that neither alone can accurately forecast. Summarizing previous research on auto demand, the book shows how qualitative choice methods can be used by applying them to specific auto-related decisions as the aggregate of individuals' choices. The simulation model that is constructed is a significant improvement over older models, and should prove more useful to agencies and organizations requiring accurate forecasting of auto demand and use for planning and policy development. The book concludes with an actual case study based on a model designed for the investigations of the California Energy Commission. Kenneth Train is Visiting Associate Professor in Economics at the University of California, Berkeley, and Director of Economic Research at Cambridge Systematics, Inc., also in Berkeley. Qualitative Choice Analysisis included in The MIT Press Transportation Studies Series, edited by Marvin L. Manheim.