Results 31 to 40 of about 3,704,002 (295)

Very high cycle fatigue of copper: Evolution, morphology and locations of surface slip markings [PDF]

open access: yes, 2014
The surfaces of commercially pure polycrystalline copper specimens subjected to interrupted 20 kHz fatigue tests in the very high cycle fatigue regime were investigated.
VALES, Fréderic   +4 more
core   +1 more source

Fully analytical solution to discrete behavior of hybrid zero dynamics in limit cycle walking with constraint on impact posture [PDF]

open access: yes, 2015
This paper proposes a fully analytical solution to the discrete behavior of hybrid zero dynamics (HZD) in limit cycle walking with constraint on impact posture.
Asano, Fumihiko
core   +1 more source

Limit cycle bifurcations near a double homoclinic loop with a nilpotent saddle of order 2

open access: yes上海师范大学学报. 自然科学版, 2018
Determining the number of limit cycles of a planar differential system is related to the second part of Hilbert's 16th problem. In this paper, a near-Hamiltonian system is studied, where the unperturbed system has a double homoclinic loop with second ...
Tian Huanhuan
doaj   +1 more source

The existence of limit cycle for perturbed bilinear systems [PDF]

open access: yes, 2003
summary:In this paper, the feedback control for a class of bilinear control systems with a small parameter is proposed to guarantee the existence of limit cycle.
Johansson, Karl H.   +7 more
core   +1 more source

Limit-Cycle-Preserving Simulation of Gene Regulatory Oscillators

open access: yesDiscrete Dynamics in Nature and Society, 2012
In order to simulate gene regulatory oscillators more effectively, Runge-Kutta (RK) integrators are adapted to the limit-cycle structure of the system.
Xiong You
doaj   +1 more source

A Predator–Prey Model from a Collective Dynamics and Self-Propelled Particles Approach

open access: yesComputer Sciences & Mathematics Forum, 2023
The definition and description of the dynamics of a predator–prey system are some of the fundamental problems of population biology. Since 1925, several models have been introduced.
Yaya Youssouf Yaya
doaj   +1 more source

Synchronization of Coupled Limit Cycles [PDF]

open access: yesJournal of Nonlinear Science, 2011
Journal of Nonlinear Science ...
openaire   +3 more sources

A probabilistic model for the high cycle fatigue behaviour of cast aluminium alloys subject to complex loads [PDF]

open access: yes, 2013
Lien vers la version éditeur: http://www.sciencedirect.com/science/article/pii/S0142112312002472This article is dedicated to the high cycle fatigue behaviour of cast hypo-eutectic Al–Si alloys and in particular the AlSi7Cu05Mg03 alloy.
PESSARD, Etienne   +3 more
core   +1 more source

Analytical estimations of limit cycle amplitude for delay-differential equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2016
The amplitude of limit cycles arising from Hopf bifurcation is estimated for nonlinear delay-differential equations by means of analytical formulas. An improved analytical estimation is introduced, which allows more accurate quantitative prediction of ...
Tamás Molnár   +2 more
doaj   +1 more source

A family of planar differential systems with hyperbolic algebraic limit cycles

open access: yesElectronic Journal of Qualitative Theory of Differential Equations
In this paper, we characterize a family of planar polynomial differential systems of degree greater or equal than $n+1$, by presenting polynomial curves of degree $n,$ which generally contain closed components.
Maroua Ghelmi, Aziza Berbache
doaj   +1 more source

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