Fr. 135.00

Adaptive Finite Elements in Linear and Nonlinear Solid and Structural Mechanics

Englisch · Taschenbuch

Versand in der Regel in 6 bis 7 Wochen

Beschreibung

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This course with 6 lecturers intends to present a systematic survey of recent re search results of well-known scientists on error-controlled adaptive finite element methods in solid and structural mechanics with emphasis to problem-dependent concepts for adaptivity, error analysis as well as h- and p-adaptive refinement techniques including meshing and remeshing. Challenging applications are of equal importance, including elastic and elastoplastic deformations of solids, con tact problems and thin-walled structures. Some major topics should be pointed out, namely: (i) The growing importance of goal-oriented and local error estimates for quan tities of interest-in comparison with global error estimates-based on dual finite element solutions; (a) The importance of the p-version of the finite element method in conjunction with parameter-dependent hierarchical approximations of the mathematical model, for example in boundary layers of elastic plates; (Hi) The choice of problem-oriented error measures in suitable norms, consider ing residual, averaging and hierarchical error estimates in conjunction with the efficiency of the associated adaptive computations; (iv) The importance of implicit local postprocessing with enhanced test spaces in order to get constant-free, i. e. absolute-not only relative-discretizati- error estimates; (v) The coupling of error-controlled adaptive discretizations and the mathemat ical modeling in related subdomains, such as boundary layers. The main goals of adaptivity are reliability and efficiency, combined with in sight and access to controls which are independent of the applied discretization methods. By these efforts, new paradigms in Computational Mechanics should be realized, namely verifications and even validations ofengineering models.

Inhaltsverzeichnis

Duality Techniques for Error Estimation and Mesh Adaptation in Finite Element Methods.- Hierarchical Model and Solution Adaptivity of Thin-walled Structures by the Finite-Elements-Method.- Three Lectures on Error Estimation and Adaptivity.- Hierarchic Modelling in Elasticity by generalized p- and hp-FEM.- Constitutive Relation Error Estimators and Adaptivity in Structural Engineering.- Adaptive Methods for Contact Problems.

Zusammenfassung

This course with 6 lecturers intends to present a systematic survey of recent re search results of well-known scientists on error-controlled adaptive finite element methods in solid and structural mechanics with emphasis to problem-dependent concepts for adaptivity, error analysis as well as h- and p-adaptive refinement techniques including meshing and remeshing. Challenging applications are of equal importance, including elastic and elastoplastic deformations of solids, con tact problems and thin-walled structures. Some major topics should be pointed out, namely: (i) The growing importance of goal-oriented and local error estimates for quan tities of interest—in comparison with global error estimates—based on dual finite element solutions; (a) The importance of the p-version of the finite element method in conjunction with parameter-dependent hierarchical approximations of the mathematical model, for example in boundary layers of elastic plates; (Hi) The choice of problem-oriented error measures in suitable norms, consider ing residual, averaging and hierarchical error estimates in conjunction with the efficiency of the associated adaptive computations; (iv) The importance of implicit local postprocessing with enhanced test spaces in order to get constant-free, i. e. absolute-not only relative-discretizati- error estimates; (v) The coupling of error-controlled adaptive discretizations and the mathemat ical modeling in related subdomains, such as boundary layers. The main goals of adaptivity are reliability and efficiency, combined with in sight and access to controls which are independent of the applied discretization methods. By these efforts, new paradigms in Computational Mechanics should be realized, namely verifications and even validations ofengineering models.

Produktdetails

Mitarbeit Erwi Stein (Herausgeber), Erwin Stein (Herausgeber)
Verlag Springer, Wien
 
Sprache Englisch
Produktform Taschenbuch
Erschienen 13.09.2005
 
EAN 9783211269756
ISBN 978-3-211-26975-6
Seiten 363
Gewicht 628 g
Illustration VII, 363 p. With online files/update.
Serien CISM International Centre for Mechanical Sciences
CISM International Centre for Mechanical Sciences
Themen Naturwissenschaften, Medizin, Informatik, Technik > Technik > Allgemeines, Lexika

B, Model, Numerische Mathematik, Modeling, Solid, engineering, Mechanics, Numerical analysis, Computational Intelligence, finite element method, structural mechanics, Theoretical Mechanics

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