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How do financial considerations influence medical decision-making? A qualitative-empirical study in German cancer medicine. [PDF]
König JFL +8 more
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Beams on Variable Winkler Elastic Foundation
Journal of Applied Mechanics, 1986A stiffness approach is presented for computing the solution of beams on variable Winkler foundation. The solution may be achieved using only a small number of elements along the beam. Accuracy is dependent only on a preset user criterion. A numerical example demonstrates the efficiency and accuracy of the procedure.
Clastornik, J. +3 more
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Beams on quasi-Winkler foundations
Engineering Structures, 1982Abstract When an elastic foundation is incapable of exerting tensile reactions on the beam it supports, the Winkler model cannot be used throughout the whole span of the girder. The resulting problem leads to a set of nonlinear equations, and its complexity is further increased due to the necessity of visualizing the deflected shape a priori if the ...
Milija N. Pavlović, Solomon Tsikkos
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Beam-Plate System on Winkler Foundation
Journal of the Engineering Mechanics Division, 1977A superposition principle is employed to study the infinite plate reinforced by a centrally loaded finite beam where both rest on a Winkler foundation. The problem is intended to relate to a floating arctic ice ridge embedded in an ice sheet. The ridge is loaded vertically by a vessel breaking ice in a bending mode. After formulating the beam and plate
Colin B. Brown +2 more
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Beams on nonlinear winkler foundation with gaps
Computers and Geotechnics, 1988Abstract The analysis of beams on a Winkler foundation is very common in engineering. In many practical problems nonlinear foundation behavior should be considered. In some cases a gap may exist between the beam and the nonlinear foundation. Based on an exact solution for a finite beam on linear elastic foundation, an iterative procedure for a ...
D.Z. Yankelevsky +2 more
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Vehicle System Dynamics, 1995
SUMMARY The paper reminisces the history of one of the wide used theoretical models of the substructure, the Winkler foundation.
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SUMMARY The paper reminisces the history of one of the wide used theoretical models of the substructure, the Winkler foundation.
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Analysis of beams on nonlinear winkler foundation
Computers & Structures, 1989Abstract The analysis of beams on Winkler foundations is very common in engineering. In many practical problems nonlinear foundation behavior should be considered. Based on an exact solution for a finite beam on a linear elastic foundation an iterative procedure for a piecewise linear foundation is formulated.
David Z. Yankelevsky +2 more
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A beam resting on a tensionless Winkler foundation
Computers & Structures, 1995Abstract A general method for the analysis of the deflection of an elastic straight beam resting on a tensionless Winkler foundation is presented. Using Newton's method and the Finite Element Method, a numerical method has been developed that finds the solution and has a quadratical rate of convergence.
Kaschiev, M. S., Mikhajlov, K.
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Efficient 3D nonlinear Winkler model for shallow foundations
Soil Dynamics and Earthquake Engineering, 2009This paper presents a new practical modeling approach, based on the beam-on-a-nonlinear Winkler foundation (BNWF) model, to simulate the 3D rocking, vertical and horizontal responses of shallow foundations using structural elements that are readily available in the element library of commercially available structural analysis programs. An assemblage of
H. El Ganainy, M.H. El Naggar
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