Results 261 to 270 of about 9,609 (303)

Approximate Derivation of Critical Buckling Load

Journal of Architectural Engineering, 2009
This paper proposes an approximate derivation for the critical buckling load of a column, based on the application of a uniformly loaded beam's midspan moment and deflection to the buckled column's rotational equilibrium. The curvature of a pin-ended member, when it buckles under axial load, is similar to the curvature assumed by the same member when ...
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Field Curves for Critical Buckling Loads in Curving Wellbores

IADC/SPE Drilling Conference, 1998
Abstract This paper gives a plotting technique and curves for estimating the axial compressive loads for the onset of sinusoidal buckling in curving wellbores. The analysis and data calculation are based entirely on previous work by others. Only the method of presenting the data is new.
T.H. Hill, R.B. Chandler
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The critical loading for lateral buckling of continuous welded rail

Journal of Zhejiang University-SCIENCE A, 2005
The most significant differences between continuous welded rails (CWRs) and general split-type connectors are axial compression in the longitudinal direction, buckling stability and other issues generated under the influence of thermal effect. Under thermal effect, a dynamical behavior similar to that of a beam fixed on two sides occurs in the central ...
Wen-pei Sung, Shih Ming-hsiang, Lin Cheng-I, Go Cheer Germ   +3 more
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Determination of critical buckling loads with Gröbner bases

Computers & Structures, 1995
Abstract Grobner bases and the related Buchberger algorithm offer an elegant computational environment for the triangularization/solution of systems of few polynomial equations together with modern computer algebra systems. Here this approach is applied to the geometrically nonlinear structural analysis of columns and the critical buckling loads of ...
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An Algorithm for Computing Critical Buckling Loads of Elastic Structures

Journal of Structural Mechanics, 1973
ABSTRACT The algorithm presented enables one to calculate the number of critical buckling loads of an elastic structure which lie below any specified total load, and hence to converge on all required buckling loads with ease and certainly. The algorithm is always valid when the total load is applied proportionally, it is also valid for nonproportional ...
W. H. WITTRICK, F. W. WILLIAMS
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Experimental Evidence of Erosion of Critical Load in Interactive Buckling

Journal of Structural Engineering, 2013
AbstractThe paper starts with a selective review of some basic contributions related to local-overall buckling mode interactions in thin-walled steel members. Then, the results of an intensive experimental study carried out at the Politehnica University of Timisoara with the purpose of evaluating the erosion of a theoretical bifurcation load in the ...
Dan Dubina, Viorel Ungureanu, Andrei Crisan   +2 more
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The calculation of critical buckling loads for externally constrained structures

Communications in Numerical Methods in Engineering, 1999
Summary: A method of identifying the critical load of structures, the buckling shape of which is constrained, is presented based on two novel techniques. The first identifies this critical or limit point buckling value using a linear, complementary algorithm to solve what is shown to be a quadratic programming problem, while the second adopts a ...
Lu, Hexiang, Feng, Minghui, Lark, R. J., Williams, F. W.   +3 more
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Critical speeds and buckling loads of a pre-twisted rotor

Journal of Sound and Vibration, 1995
Abstract The equations of motion of a pre-twisted rotor subjected to a compressive axial load have been derived by including the effects of transverse shear, rotatory inertia and gyroscopic moments to model material removal systems which have external flutes. The finite element method is used to obtain a system of ordinary differential equations. C 0
Wijeyewickrema, A.C., Keer, L.M.
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Stepped Column Critical Buckling Load Estimation

9th International Students Science Congress Proceedings Book
The construction field mainly deals with columns that have two cross-sectional areas, especially in high-height work forms called stepped columns. Standard sections, with varying loads and exact spans, are usually used at different heights to construct the work form. As a result, many accidents happen on construction sites.
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Predicting the Critical Buckling Load for a Graphite/Epoxy Laminate

Journal of Composites Technology and Research, 1980
The critical buckling load for a slender specimen of an isotropic, homogeneous material can usually be predicted adequately from fundamental strength-of-materials considerations. The extension of this approach to specimens of composite materials can be accomplished formally by using appropriate anisotropic elastic constants in the Euler buckling ...
TT Chiao, PL Lien, KL Reifsnider, RJ Morgan, RD Jamison, NF Black   +5 more
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