Results 91 to 100 of about 1,338 (228)

Design and Analysis of Composite Panels

open access: yes, 2006
European aircraft industry demands for reduced development and operating costs, by 20% and 50% in the short and long term, respectively. Contributions to this aim are provided by the completed project POSICOSS (5thFP) and the running follow-up project ...
Rohwer, Klaus   +2 more
core  

Some Modified Bifurcation Problems with Application to Imperfection Sensitivity in Buckling [PDF]

open access: yes, 1972
The branching theory of solutions of certain nonlinear elliptic partial differential equations is developed, when the nonlinear term is perturbed from unforced to forced.
Keener, James Paul
core   +1 more source

Buckling and post-buckling of prestressed stainless steel stayed columns

open access: yesEngineering Structures and Technologies, 2017
Prestressed stayed compression members are frequently required as very slender load-bearing structural components by both investors and architects. Behavior of these members depends on their geometrical and material properties, prestressing and boundary ...
Radek Pichal, Josef Machacek
doaj   +1 more source

An Investigation on the Nonlinear Free Vibration Analysis of Beams with Simply Supported Boundary Conditions Using Four Engineering Theories

open access: yesJournal of Applied Mathematics, 2011
The objective of this study is to present a brief survey on the geometrically nonlinear free vibrations of the Bernoulli-Euler, the Rayleigh, shear, and the Timoshenko beams with simple end conditions using the Homotopy Analysis Method (HAM). Expressions
R. A. Jafari-Talookolaei   +3 more
doaj   +1 more source

Buckling and Post-Buckling Analysis of Cracked Plates by The Boundary Element Method

open access: yes, 2003
PhDThis thesis presents boundary element formulations for buckling and nonlinear buckling analysis of plates. Dual boundary element formulations are also presented for linear and nonlinear buckling, and large deformation analysis of crack behaviour in
Purbolaksono, Judha
core  

Buckling and postbuckling behavior of unstiffened slender curved plates under uniform shear

open access: yes, 2011
Buckling and postbuckling behavior of curved plates under in-plane shear are investigated. After revisiting classic elastic buckling results, the elastoplastic postbuckling behavior and the effects of curvature parameter and aspect ratio are simulated ...
Alinia, Mohamad M.   +8 more
core   +1 more source

Computational Modelling Strategies for Nonlinear Response Prediction of Corroded Circular RC Bridge Piers

open access: yesAdvances in Materials Science and Engineering, 2016
A numerical model is presented that enables simulation of the nonlinear flexural response of corroded reinforced concrete (RC) components. The model employs a force-based nonlinear fibre beam-column element. A new phenomenological uniaxial material model
Mohammad M. Kashani   +3 more
doaj   +1 more source

Potentials and Limitation of FE-based Simulation Methods for Fibre Composite Structures

open access: yes, 2007
Current industrial demands for fibre composite primary structures in the area of aeronautics require innovative, experimentally validated simulation methods and tools, to support a cost and weight efficient design and to reduce their time-to-market ...
Luise Kärger   +8 more
core  

Vibration Analysis of a Postbuckled Microscale FG Beam Based on Modified Couple Stress Theory

open access: yesShock and Vibration, 2014
On the basis of modified couple stress theory, the postbuckling behavior of the Euler-Bernoulli microscale FG beams is investigated by means of an exact solution method.
R. Ansari   +3 more
doaj   +1 more source

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