Results 31 to 40 of about 4,330 (212)

Simulating Postbuckling Behaviour and Collapse of Stiffened CFRP Panels [PDF]

open access: yes, 2007
Advanced composite materials are well known for their outstanding potential in weight-related stiffness and strength leading to an ever increasing share in aerospace structural components out of Carbon Fibre Reinforced Plastics (CFRP).
Degenhardt, Richard, Rohwer, Klaus
core  

Approximate Stability Analysis of Omega‐Stringer Stiffened Composite Panels

open access: yesPAMM, Volume 26, Issue 1, March 2026.
ABSTRACT Thin‐walled composite structures are widely used in weight‐critical applications such as aircraft and spacecraft. However, ensuring the stability of such structures under various load cases remains a key challenge in their design and optimization.
Cherine El Yaakoubi‐Mesbah   +1 more
wiley   +1 more source

Buckling and postbuckling behaviour of gabled frames

open access: yesMathematical and Computer Modelling, 1990
With the continuing trend toward optimization of engineering structures it can be expected that buckling, and in particular imperfection sensitive forms of buckling, will increasingly govern design. This study investigates the buckling and postbuckling behaviour of planar steel gabled frames under static loading.
Vlahinos, Andreas S., Cervantes, Alfredo
openaire   +1 more source

Postbuckling behavior of graphite-epoxy panels [PDF]

open access: yes, 1984
Structurally efficient fuselage panels are often designed to allow buckling to occur at applied loads below ultimate. Interest in applying graphite-epoxy materials to fuselage primary structure led to several studies of the post-buckling behavior of ...
Dickson, J. N.   +2 more
core   +1 more source

Optimization of Shell Structures with Fuzzy Probability‐Based Random Fields Using Artificial Neural Networks

open access: yesPAMM, Volume 25, Issue 4, December 2025.
ABSTRACT The structural design optimization aims for robust structures with minimal use of material resources, leading to slender and thin‐walled structures, which entail a higher risk of stability problems. This issue is further influenced by geometrical imperfections, which are subjected to uncertainties.
Maximilian Schweizer   +3 more
wiley   +1 more source

Static and Dynamic Thermomechanical Buckling Loads of Functionally Graded Plates. [PDF]

open access: yes, 2013
In the paper the buckling phenomenon for static and dynamic loading (pulse of finite duration) of FGM plates subjected to simultaneous action of one directional compression and thermal field is presented.
Kowal-Michalska, Katarzyna   +1 more
core  

Postbuckling analysis of variable angle tow (VAT) composite plates [PDF]

open access: yes, 2013
Variable angle tow (VAT) placement techniques provide the designer with the ability to tailor the point-wise stiffness properties of composite laminates according to structural design requirements.
Raju, Gangadharan   +2 more
core   +1 more source

Architected Lattices with a Topological Transition

open access: yesAdvanced Engineering Materials, Volume 27, Issue 11, June 2025.
This article develops topological metamaterials showing multidirectional two‐step deformation under compression by embedding contact‐enabled topological mechanisms into lattice structures. Experiments on 3D‐printed 2D and 3D lattices and finite element simulations are conducted to demonstrate the working principle of the topological metamaterials.
Shivam Agarwal, Lihua Jin
wiley   +1 more source

Reduced‐Order Modeling for Second‐Order Computational Homogenization With Applications to Geometrically Parameterized Elastomeric Metamaterials

open access: yesInternational Journal for Numerical Methods in Engineering, Volume 126, Issue 1, 15 January 2025.
ABSTRACT The structural properties of mechanical metamaterials are typically studied with two‐scale methods based on computational homogenization. Because such materials have a complex microstructure, enriched schemes such as second‐order computational homogenization are required to fully capture their nonlinear behavior, which arises from nonlocal ...
T. Guo   +4 more
wiley   +1 more source

Non-linear analysis of laminated composite doubly curved shallow shells

open access: yesVietnam Journal of Mechanics, 2006
This paper deals with governing equations and approximate analytical solutions based on some wellknown assumptions to the non-linear buckling and vibration problems of laminated composite doubly curved shallow shells.
Dao Huy Bich
doaj   +1 more source

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