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Multi-dimensional Arbitrary Lagrangian-Eulerian Method for Dynamic Fluid-structure Interaction. [LMFBR].

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Author :
Release : 1982
Genre :
Kind : eBook
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Book Synopsis Multi-dimensional Arbitrary Lagrangian-Eulerian Method for Dynamic Fluid-structure Interaction. [LMFBR]. by :

Download or read book Multi-dimensional Arbitrary Lagrangian-Eulerian Method for Dynamic Fluid-structure Interaction. [LMFBR]. written by . This book was released on 1982. Available in PDF, EPUB and Kindle. Book excerpt: This paper describes an arbitrary Lagrangian-Eulerian method for analyzing fluid-structure interactions in fast-reactor containment with complex internal structures. The fluid transient can be calculated either implicitly or explicitly, using a finite-difference mesh with vertices that may be moved with the fluid (Lagrangian), held fixed (Eulerian), or moved in any other prescribed manner (hybrid Lagrangian Eulerian). The structural response is computed explicitly by two nonlinear, elastic-plastic finite-element modules formulated in corotational coordinates. Interaction between fluid and structure is accounted for by enforcing the interface boundary conditions. The method has convincing advantages in treating complicated phenomena such as flow through perforated structures, large material distortions, flow around corners and irregularities, and highly contorted fluid boundaries. Several sample problems are given to illustrate the effectiveness of this arbitrary Lagrangian-Eulerian method.

Arbitrary Lagrangian Eulerian and Fluid-Structure Interaction

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Author :
Release : 2013-03-01
Genre : Technology & Engineering
Kind : eBook
Book Rating : 688/5 ( reviews)

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Book Synopsis Arbitrary Lagrangian Eulerian and Fluid-Structure Interaction by : M'hamed Souli

Download or read book Arbitrary Lagrangian Eulerian and Fluid-Structure Interaction written by M'hamed Souli. This book was released on 2013-03-01. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the fundamental basics for solving fluid structure interaction problems, and describes different algorithms and numerical methods used to solve problems where fluid and structure can be weakly or strongly coupled. These approaches are illustrated with examples arising from industrial or academic applications. Each of these approaches has its own performance and limitations. The added mass technique is described first. Following this, for general coupling problems involving large deformation of the structure, the Navier-Stokes equations need to be solved in a moving mesh using an ALE formulation. The main aspects of the fluid structure coupling are then developed. The first and by far simplest coupling method is explicit partitioned coupling. In order to preserve the flexibility and modularity that are inherent in the partitioned coupling, we also describe the implicit partitioned coupling using an iterative process. In order to reduce computational time for large-scale problems, an introduction to the Proper Orthogonal Decomposition (POD) technique applied to FSI problems is also presented. To extend the application of coupling problems, mathematical descriptions and numerical simulations of multiphase problems using level set techniques for interface tracking are presented and illustrated using specific coupling problems. Given the book's comprehensive coverage, engineers, graduate students and researchers involved in the simulation of practical fluid structure interaction problems will find this book extremely useful.

Energy Research Abstracts

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Author :
Release : 1983
Genre : Power resources
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by . This book was released on 1983. Available in PDF, EPUB and Kindle. Book excerpt:

The Shock and Vibration Digest

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Author :
Release : 1984
Genre : Shock (Mechanics)
Kind : eBook
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Book Synopsis The Shock and Vibration Digest by :

Download or read book The Shock and Vibration Digest written by . This book was released on 1984. Available in PDF, EPUB and Kindle. Book excerpt:

Computational Mechanics of Fluid-Structure Interaction

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Release : 2021-11-29
Genre : Technology & Engineering
Kind : eBook
Book Rating : 550/5 ( reviews)

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Book Synopsis Computational Mechanics of Fluid-Structure Interaction by : Rajeev Kumar Jaiman

Download or read book Computational Mechanics of Fluid-Structure Interaction written by Rajeev Kumar Jaiman. This book was released on 2021-11-29. Available in PDF, EPUB and Kindle. Book excerpt: This book is intended to provide a compilation of the state-of-the-art numerical methods for nonlinear fluid-structure interaction using the moving boundary Lagrangian-Eulerian formulation. Single and two-phase viscous incompressible fluid flows are considered with the increasing complexity of structures ranging from rigid-body, linear elastic and nonlinear large deformation to fully-coupled flexible multibody system. This book is unique with regard to computational modeling of such complex fluid-structure interaction problems at high Reynolds numbers, whereby various coupling techniques are introduced and systematically discussed. The techniques are demonstrated for large-scale practical problems in aerospace and marine/offshore engineering. This book also provides a comprehensive understanding of underlying unsteady physics and coupled mechanical aspects of the fluid-structure interaction from a computational point of view. Using the body-fitted and moving mesh formulations, the physical insights associated with structure-to-fluid mass ratios (i.e., added mass effects), Reynolds number, large structural deformation, free surface, and other interacting physical fields are covered. The book includes the basic tools necessary to build the concepts required for modeling such coupled fluid-structure interaction problems, thus exposing the reader to advanced topics of multiphysics and multiscale phenomena.

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