Journal ArticleDOI
Dynamic progressive buckling of circular and square tubes
W. Abramowicz,Norman Jones +1 more
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In this paper, a series of over 120 axial crushing tests were conducted on circular and square steel tubes loaded either statically or dynamically, and approximate theoretical predictions for static and dynamic progressive buckling were developed.About:
This article is published in International Journal of Impact Engineering.The article was published on 1986-01-01. It has received 800 citations till now. The article focuses on the topics: Buckling.read more
Citations
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On design of multi-cell tubes under axial and oblique impact loads
TL;DR: In this paper, a group of multi-cell tubes with different cell numbers were comprehensively investigated under both axial and oblique loads, and the results showed that different loading angles have different requirements on cell allocation and optimizations of multiple load cases can yield better solutions in a weighted average fashion, whereas the optimization for separate single load cases (SLC) could result in inferior performance under other load cases.
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Energy Absorption of Thin-Walled Square Tubes With a Prefolded Origami Pattern—Part I: Geometry and Numerical Simulation
Jiayao Ma,Zhong You +1 more
TL;DR: In this paper, the authors presented a novel thin-walled energy absorption device known as the origami crash box, which is made from a thinwalled tube of square cross section whose surface is prefolded according to a developable origami pattern.
Journal ArticleDOI
Axial crushing of thin-walled high-strength steel sections
TL;DR: Quasi-static and dynamic axial crushing tests were performed on thin-walled square tubes and spot-welded top-hat sections made of high-strength steel grade DP800 as discussed by the authors.
Journal ArticleDOI
Axial crushing of thin-walled structures with origami patterns
Jie Song,Yan Chen,Guoxing Lu +2 more
TL;DR: In this article, the origami patterns are introduced to thin-walled tubes to minimize the initial peak and the subsequent fluctuations, and a prototype of the patterned tube is constructed and tested, showing much lower initial peak force and a smooth crushing process which agrees with the numerical results.
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Crashworthiness optimization of foam-filled tapered thin-walled structure using multiple surrogate models
TL;DR: A comparative study on the different surrogate models, such as polynomial response surface (PRS), Kriging, support vector regression (SVR) and radial basis function (RBF), which have been widely used for a variety of engineering problems, thereby gaining insights into their relative performance and features in computational modeling and design.
References
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Journal ArticleDOI
On the Crushing Mechanics of Thin-Walled Structures
Tomasz Wierzbicki,W. Abramowicz +1 more
Journal ArticleDOI
Dynamic axial crushing of square tubes
W. Abramowicz,Norman Jones +1 more
TL;DR: In this paper, the axial progressive crushing of square box columns using a kinematically admissible method of analysis was investigated and four deformation modes which govern the behaviour for different ranges of the parameter c/h.
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Dynamic axial crushing of circular tubes
W. Abramowicz,Norman Jones +1 more
TL;DR: A series of axial crushing tests on steel circular cylindrical shells loaded either statically or dynamically is reported and compared with various theoretical predictions and empirical relations in this article, where a modified version of Alexander's theoretical analysis for axisymmetric, or concertina, deformations gives good agreement with the experimental results when the effective crushing distance is considered and provided that the influence of material strain rate sensitivity is retained in the dynamic crushing case.
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The quasi-static crumpling of thin-walled circular cylinders and frusta under axial compression
A.G Mamalis,W Johnson +1 more
TL;DR: In this paper, thin-walled circular cylinders and truncated circular cones of aluminium alloy were subjected to axial static loading and their initial axial length and the outside diameter of cylinders and frusta were kept constant whilst their wall thickness was varied.
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The effective crushing distance in axially compressed thin-walled metal columns
TL;DR: In this paper, a simplified theoretical model of a compressed rigid-linearly strain hardening metal strip is studied and a closed-form solution is derived for the crushing distance of unstiffened as well as transversly stiffened box columns.