matrix methods of structural analysis

362 Pages·2008·62.28 MB·English

S
AGARDograph 72
EFT.
ID
1 0 APR 1964
Matrix Methods
of Structural
Analysis
Editor*.
F. de VEUBEKE
University of Liege
Pergamon Press

ACARDograph 69
A Correlation Study
of Methods of Matrix
Structural Analysis
Report to the 14th Meeting. Structures and
Materials Panel. Advisor) Group far Aero
nautical Research and Development.
AGARDograph 72
NATO
R. H. Gallagher, Bell Aeroivslems Company, Buffalo.
New York Matrix Methods of
This book presents the result of a survey
Structural Analysis
and review of matrix structural analysis
as practised in the airframe industry.
Concepts of the force and displacement
approaches are described, and areas of
agreement between published methods
Edited by F. de Veubeke, u-ivmity ofLUt*
that are within the framework of these
approaches are delineated. Techniques
for determining the force-displacement This is a collection of papers presented to
properties of discrete elements employed the Structures and Materials Panel of
in the analytical idealizations of structures AGARD.
are reviewed. The use and limitations of Besides the progress reported in the linear
these techniques are exemplified in the theory, the most conspicuous development
determination of properties for the quadri is the penetration of matrix structural
lateral plate in direct stress. analysis in the field of large deflection
The report also includes descriptions and theory.
results of extensive analyses of multiweb The papers report progress and the current
low aspect ratio wings. The results of state of the art in the application of
past evaluative studies are taken as a matrix algebra and computer language
starting point in the selection of com to the structural analysis of complicated
parative idealization possibilities for the structures. Recent advances covered
present analyses. Idealizations described in include the use of subroutines in the com
past reports to the AGARD Structures puter programming, choice of redun
and Materials Panel arc also selected. dancies, methods of obtaining upper and
The evaluation ofthe idealizations is speci lower bounds to structural influence
fically based upon comparisons of the coefficients, treatment of non-linear prob
results, in the form of displacement in lems such as rigidity in the presence of
fluence coefficients, with each other and thermal stresses, the determination of
with the results of wing model tests. More buckling loads, and plastic and creep
general conclusions are then drawn as to deformations.
convergence and error sources in matrix
structural analysis.
The study concludes with a detailed
discussion of future research topics in
matrix structural and aeroelastic analysis.
70s. net
£5 net

S4-
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10 APR 1964

AGARDograph 72
MATRIX METHODS OF
STRUCTURAL ANALYSIS

MATRIX M E T H O DS
OF
S T R U C T U R AL ANALYS 5IS
Edited by
PROFESSOR B. FRAEIJJ 5 de VEUBEKE
Univci'siu'-s cle Liege et dc Louvain
Belgium
Published for and on behalf of
ADVISORY GROUP FOR
AERONAUTICAL RESEARCH AND DEVELOPMENT
NORTH ATLANTIC; TREATY ORGANIZATION
by
PERGAMON PRESS
Oxford • London • New York • Paris
1964
PERGAMON PRESS LTD.
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Distributed in the Western Hemisphere by
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PERGAMON PRESS LIMITED
Copyright
©
1964
ADVISORY CROUP FOR
AERONAUTICAL RF.SKARC.lt AND DEVELOPMENT
N1PU III ATLANTIC TREATY ORGANIZATION
Library of Congress Card No. 63-21973
Set in Monotype liaskerville 11 on 12 /'(. and printed in Great Britain by
THE PITMAN PRESS, BATH