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physics.class-ph2021★ 22 cited
Solution methods for the growth of a repeating imperfection in the line of a strut on a nonlinear foundation
Romain Lagrange, Daniel Averbuch
This paper is a theoretical and numerical study of the uniform growth of a repeating sinusoidal imperfection in the line of a strut on a nonlinear elastic Winkler type foundation.…
physics.class-ph2021
Limit point buckling of a finite beam on a nonlinear foundation
Romain Lagrange
In this paper, we consider an imperfect finite beam lying on a nonlinear foundation, whose dimensionless stiffness is reduced from to as the beam deflection increases. Peri…