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作者:Hongchun Qu , Kaidi Zou , Dandan Zhong ...
来源:[J].Journal of Environmental Accounting and Management, 2018, Vol.6 (3)L&H
摘要:Ecological interactions and their consequences to system evolution in the context of environmental disturbance are of special concern in ecological conservation since the environmental conditions have been changing so quickly in the past decades. Understanding how these inte...
作者:Alexandre B. Almeida , Nicolas Giovambattista , Sergey V. Buldyrev ...
来源:[J].Journal of Applied Nonlinear Dynamics, 2018, Vol.7 (3)L&H
摘要:The understanding of droplets is important to different applications, ranging from wetting to diagnosis of airways condition in the lung. In this work, we performed molecular dynamics and Monte Carlo simulations to solve the displacement of center of mass (CM) of droplets, in ord...
作者:Fernanda A. Ferreira , Flávio Ferreira
来源:[J].Journal of Applied Nonlinear Dynamics, 2018, Vol.7 (3)L&H
摘要:We will consider two models describing certain market structures: (i) a domestic market in which a public firm (whose objective is to maximize social welfare) competes with two private firms (whose objective is to maximize their own profits); and (ii) an international market in w...
作者:Müller Moreira Lopes , Margarete O. Domingues , Odim Mendes ...
来源:[J].Journal of Applied Nonlinear Dynamics, 2018, Vol.7 (3)L&H
摘要:For adaptive multiresolution schemes we propose a local timestepping scheme based on natural extensions of Runge–Kutta methods. We consider reaction-diffusion equations in two space dimensions and assess the precision and efficiency of the new method. The obtained results ar...
作者:Mahalingam Nagaraj , Selvaraj Suganya , Dumitru Baleanu ...
来源:[J].Discontinuity, Nonlinearity, and Complexity, 2018, Vol.7 (3)L&H
摘要:This paper investigates the existence and approximate controllability results for a class of impulsive functional integro-differential evolution systems with nonlocal conditions via resolvent operators in Banach spaces. By making utilization of Banach contraction principle a...
作者:M. U. Akhmet , A. Kıvılcım
来源:[J].Discontinuity, Nonlinearity, and Complexity, 2018, Vol.7 (3)L&H
摘要:In this paper, we take into account two coupled Van der Pol equations with impacts. The main novelty is that the degenerated system for the model admits an oscillation with zero impact velocity. To prove presence of oscillations, beside the perturbation method, the newly develope...
作者:Vinícius B. Silva1 , João P. Vieira , Edson D. Leonel
来源:[J].Journal of Vcibration Testing and System Dynamics, 2018, Vol.2 (3)L&H
摘要:In this paper we prove the following theorem: consider a N-dimensional dynamical system that is reduced to its center manifold. If it is proved the system satisfies the conditions of a Hopf bifurcation theorem then the original system of differential equations escribing the dynam...
作者:S.D. Yu , M. Fadaee
来源:[J].Journal of Vcibration Testing and System Dynamics, 2018, Vol.2 (3)L&H
摘要:The Newmark integration scheme, originally developed for simulating responses of linear dynamical systems, is modified in this paper to effectively model nonlinearities through introduction of the incremental displacements and the effective mass, damping and tiffness matrices. Ba...
作者:Krzysztof Kecik , Angelika Zaszczynska , Andrzej Mitura
来源:[J].Journal of Vcibration Testing and System Dynamics, 2018, Vol.2 (3)L&H
摘要:The paper presents an experimental study of a special non−linear low frequency system dedicated to vibration mitigation and energy recovery. The dual−function design was based on an autoparametric vibration system, which consists of an oscillator with an added pendulum vibra...
作者:Huseyin Merdan , Ozlem Ak Gumus , Gamzegul Karahisarli
来源:[J].Discontinuity, Nonlinearity, and Complexity, 2018, Vol.7 (3)L&H
摘要:We consider a general first-order scalar difference equation with and without Allee effect. The model without Allee effect represents asexual reproduction of a species while the model including Allee effect represents sexual reproduction. We analyze global stabilities of both mod...

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