Efficient Reanalysis Of Locally Modified Structures

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Efficient Reanalysis Of Locally Modified Structures

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Author : B. P. Wang
language : en
Publisher:
Release Date : 1980

Efficient Reanalysis Of Locally Modified Structures written by B. P. Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.

A unified efficient formulation for the static, dynamic, and stability reanalysis of locally modified structures is presented. The reanalysis problem is to find the structural responses when some of the element properties are adjusted as a result of design modifications. The reanalysis problem is formulated as a problem of much lower order than the original system. This is achieved by utilizing the linearity property of the structure using the pseudo-load concept, together with the solution of the original system. The modifications to the structure are treated as displacement dependent pseudo-loads of the system. By expressing the modified system response as linear combinations of the response of the original system and a term depending on the pseudo-load, a reduced set of response equations can be obtained. In the static and sinusoidal steady state analyses, this leads to a set of linear algebraic equations. For free vibration and stability analyses, this results in an eigenvalue problem. General modifications involve multiple parameters so that numerical solutions are required. Numerical examples are included. For the special case of a single parameter variation, a simple closed form formulation of the reanalysis problem is provided. Explicit reanalysis formulas are presented for changes in the cross-sectional area of truss members, the stiffness of beams, the thickness of plane stress elements, and lumped springs and masses. (Author).

Procedures And Formulas For The Efficient Reanalysis And Design Of Locally Modified Structures

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Author : João B. Dias
language : en
Publisher:
Release Date : 1982

Procedures And Formulas For The Efficient Reanalysis And Design Of Locally Modified Structures written by João B. Dias and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Algorithms categories.

Shape And Layout Optimization Of Structural Systems And Optimality Criteria Methods

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Author : G.I.N. Rozvany
language : en
Publisher: Springer
Release Date : 2014-05-04

Shape And Layout Optimization Of Structural Systems And Optimality Criteria Methods written by G.I.N. Rozvany and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-04 with Technology & Engineering categories.

Shape and layout optimization represent some of the most useful but also most difficult classes of problems in structural design, which have been investigated in detail only during the last few years. Shape optimization is concerned with the optimal shape of boundaries of continua or of interfaces between two materials in composites. Layout optimization deals with the simultaneous optimization of the topology, geometry and cross-sectional sizes of structural systems. In spite of its complextiy, layout optimization is a very rewarding task, because it results in much greater savings than the optimization of cross-sectional sizes only. Because of their important role in shape and layout optimization, the book also covers in detail new optimality criteria methods, which are capable of handling many thousand design variables and active design contraints. Shape and layout optimization is becoming an indispensable tool in the design of aeroplanes, space structures, cars, ships, building and civil engineering structures, power stations, chemical plants, artificial organs, sporting equipment, and all other solid systems where stresses and deformations play an important role.

Reanalysis Of Structural Dynamic Models

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Author : Bo Ping Wang
language : en
Publisher:
Release Date : 1986

Reanalysis Of Structural Dynamic Models written by Bo Ping Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Structural dynamics categories.

Research In Structural And Solid Mechanics 1982

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Author :
language : en
Publisher:
Release Date : 1982

Research In Structural And Solid Mechanics 1982 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Mechanical engineering categories.

Nasa Technical Memorandum

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Author :
language : en
Publisher:
Release Date : 1976

Nasa Technical Memorandum written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Aeronautics categories.

Reanalysis Of Structures

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Author : Uri Kirsch
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-02-24

Reanalysis Of Structures written by Uri Kirsch and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-02-24 with Technology & Engineering categories.

This book deals with various computational procedures for multiple repeated analyses (reanalysis) of structures, and presents them in a unified approach. It meets the need for a general text covering the basic concepts and methods as well as recent developments in this area. To clarify the presentation, many illustrative examples and numerical results are demonstrated. Previous books on structural analysis do not cover most of the material presented here.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1985

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Aeronautics categories.

Proceedings Of The International Modal Analysis Conference Exhibit

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Author :
language : en
Publisher:
Release Date : 1989

Proceedings Of The International Modal Analysis Conference Exhibit written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Structural analysis (Engineering) categories.

Technical Abstract Bulletin

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Author :
language : en
Publisher:
Release Date : 1982

Technical Abstract Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Science categories.