Dynamic axial crushing of square tubes
WebMay 18, 2024 · This modified ABC algorithm was first verified by a square tube with seven design variables and then applied to four other examples with more design variables. The results demonstrated that the proposed heuristic algorithm is capable of handling the topology optimization of multicell tubes under out-of-plane crushing. ... Dynamic … WebSep 1, 1990 · The axial impact of thin-walled tubes with square cross-sections, which incorporate axial stiffeners, is studied in this paper. An examination is made into the …
Dynamic axial crushing of square tubes
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WebOct 30, 2024 · The basic folding mechanism is used to predict the dynamic axial crushing analysis on the tube. These theoretical analyses can also can be implemented in different crush initiator positions. Webcircular and square stainless steel tubes S. S. Hsu and N. Jones Impact Research Centre, Department of Engineering, University of Liverpool, Liverpool, UK Abstract Twenty-five …
WebOct 16, 2024 · FE models of square cross-sectional tube under axial crash, θ = 0°, oblique crash angles θ = 0°, θ = 5°, θ = 10° and θ = 15° are made. For each case, von Mises stress distribution on the crash box is shown up to collapse … WebMay 25, 2024 · Square tube absorber deformation (top) obtained from dynamic axial crush experiments and crush force–displacement curves (down) for (a) Docol 1000DP; (b) Docol 1200M materials (red dotted lines denote selected phases of dynamic crushing, i.e., (1) peak force, (2) in the middle of the crushing period, and (3) the end of crushing …
WebEnter the email address you signed up with and we'll email you a reset link. WebJan 15, 2024 · The collapse of tubes under axial load is an important subject from the safety point of view, particularly in the design of energy absorbing devices used in many engineering applications. In this study, quasi-static and dynamic experiments were carried out on square thin-walled aluminum extrusions to investigate the effects of circular holes.
WebMar 23, 2016 · In this paper, deformations, crushing length, peak load, mean force and energy absorption capacity of thin-walled circular composite tubes are investigated both experimentally and numerically....
WebMar 1, 2013 · In the present paper, the mechanical behavior of large deformation of a regular equilateral triangular tube under quasi-static axial crushing is reported, which is a polygon with an acute... food near me that takes cashWebMay 1, 2024 · The mean crushing force (MCF) of the square multi-cell tube is (1) P m = 1 2 κ σ 0 t 2 π L c t ( N C + 4 N O + 2 N T) where Nc, No, and NT denote the number of corner part, crisscross part and T-shape part, respectively. κ is the effective length factor of the tube under progressive compression, σ0 is the plastic flow stress, Lc is the section … elearningfrench.comWebIn the 1980s, Abramowicz worked on the study of axial dynamic crushing in both square and circular section models [5,6] using analytical and experimental considerations. … food near me that open