721 Experimental study of dynamic buckling behavior of long column with the sensing block apparatus

2005 ◽  
Vol 2005.80 (0) ◽  
pp. _7-41_-_7-42_
Author(s):  
Akifumi YOSHIDA ◽  
Koji MIMURA ◽  
Wei LU ◽  
Keitaro HOSOMI ◽  
Yosinori ISII ◽  
...  
Keyword(s):  
Experimental Study ◽  
Dynamic Buckling ◽  
Buckling Behavior

On the Post-Buckling Behavior of Reinforced Composite Shells

1990 ◽  
Vol 34 (03) ◽  
pp. 207-211
Author(s):  
Victor Birman
Keyword(s):  
Sufficient Conditions ◽  
Axial Loading ◽  
Dynamic Buckling ◽  
General Analysis ◽  
Composite Shells ◽  
Stiffened Shells ◽  
Reinforced Composite ◽  
Buckling Behavior ◽  
Axisymmetric Buckling ◽  
Post Buckling

The problem of post-buckling behavior of composite cylindrical shells reinforced in the axial and circumferential directions and subject to axial loading is considered. The equations of equilibrium of an imperfect shell are formulated in terms of displacements. Then the sufficient conditions of imperfection in sensitivity for both static and dynamic buckling problems are formulated. This general analysis is applied to a particular case of axisymmetric buckling of ring-stiffened shells which appear to be practically imperfection-insensitive.

1013 Dynamic Buckling Behavior of Elastic Beams with Horizontal and Vertical Load

2001 ◽  
Vol 2001.76 (0) ◽  
pp. _10-25_-_10-26_
Author(s):  
Hidetaka Miki ◽  
Katsuhisa Fujita ◽  
Tetuya Kimura
Keyword(s):  
Dynamic Buckling ◽  
Vertical Load ◽  
Elastic Beams ◽  
Buckling Behavior

Buckling of Porcine Aorta Under Static and Dynamic Loading

2012 ◽  
Author(s):  
Mobin Rastgar Agah ◽  
Kaveh Laksari ◽  
Kurosh Darvish ◽  
Alexander Rachev
Keyword(s):  
Blood Vessels ◽  
Dynamic Loading ◽  
Motor Vehicle ◽  
Vascular System ◽  
Experimental Studies ◽  
Dynamic Buckling ◽  
Traumatic Rupture ◽  
Buckling Behavior ◽  
Static And Dynamic Loading ◽  
Original Configuration

Tortuosity and buckling of blood vessels are defined as the deviation from original configuration and has been observed throughout the vascular system. The blood flow in the regions down-stream of tortuous section decreases, which may cause a deficiency in blood supply to the organs and ischemia. Although tortuosity of blood vessels has been associated with aging, atherosclerosis, hypertension, genetic and other cardiovascular disease, the mechanism behind its initiation and development is not yet understood. In a series of theoretical and experimental studies, biomechanical aspects of buckling of arteries has been investigated under quasi-static loading (Han, 2007; Liu and Han, 2011); however, it has been shown theoretically that the buckling behavior of arteries under dynamic loading are different and arteries may become mechanically unstable at pressures other than the static critical loading (Rachev, 2009). This work addresses buckling of porcine aorta and experimental verification of dynamic buckling in this case. We hypothesize that dynamic buckling can partly contribute to the traumatic rupture of aorta that is a leading cause of fatality in motor vehicle crashes.

scholarly journals Improvement of Dynamic Buckling Behavior of Intermediate Aluminized Stainless Steel Columns

2017 ◽  
Vol 13 (1) ◽  
pp. 26-41
Author(s):  
Ahmed Naif Al-Khazraji ◽  
Samir Ali Al-Rabii ◽  
Hameed Shamkhi Al-Khazaali
Keyword(s):  
Stainless Steel ◽  
Dynamic Compression ◽  
Dynamic Buckling ◽  
Experimental Results ◽  
Combined Loading ◽  
Buckling Behavior ◽  
Reduced Modulus ◽  
Bending Loading

This paper experimentally investigated the dynamic buckling behavior of AISI 303 stainless steel aluminized and as received intermediate columns.  Twenty seven specimens without aluminizing (type 1) and 75 specimens with hot-dip aluminizing at different aluminizing conditions of dipping temperature and dipping time (type 2), were tested under dynamic compression loading (compression and torsion), dynamic bending loading (bending and torsion), and under dynamic combined loading (compression, bending, and torsion) by using a rotating buckling test machine. The experimental results werecompared with tangent modulus theory, reduced modulus theory, and Perry Robertson interaction formula. Reduced modulus was formulated to circular cross-section for the specimens of type (1).The experimental results obtained showed an advantageous influence of hot-dip aluminizing treatment on the dynamic buckling behavior of AISI 303 stainless steel intermediate columns. The improvements based on the average value of critical stress were19.4 % for intermediate columns type (2) compared with columns type (1) under dynamic compression loading, 8.7 % for intermediate columns type (2) compared with columns type (1) under dynamic bending loading, and 16.5 % for intermediate columns type (2) compared with columns type (1) under dynamic combined loading.

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