Nonlinear dynamic modeling and response analysis of a rotor–blade system with whirling motion
Sign Up to like & getrecommendations! Published in 2019 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-019-05238-5
Abstract: In this paper, we propose a new nonlinear dynamic model of a rotor–blade system with whirling motion, in which a rigid rotor and blades are modeled as a Jeffcott rotor and Euler–Bernoulli beams, respectively. The… read more here.
Keywords: blade; whirling motion; nonlinear dynamic; rotor ... See more keywords
Generalized Modal Amplitude Stability Analysis for the prediction of the nonlinear dynamic response of mechanical systems subjected to friction-induced vibrations
Sign Up to like & getrecommendations! Published in 2020 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-020-05627-1
Abstract: The numerical prediction of the dynamic behaviour of mechanical systems subjected to friction-induced vibrations is still a tedious problem. Different methodologies exist nowadays to study it. The first one is the complex eigenvalue analysis, which… read more here.
Keywords: nonlinear dynamic; response; analysis; amplitude stability ... See more keywords
Nonlinear dynamic analysis of an epidemiological model for COVID-19 including public behavior and government action
Sign Up to like & getrecommendations! Published in 2020 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-020-05815-z
Abstract: This paper is concerned with nonlinear modeling and analysis of the COVID-19 pandemic currently ravaging the planet. There are two objectives: to arrive at an appropriate model that captures the collected data faithfully and to… read more here.
Keywords: nonlinear dynamic; analysis; covid; model ... See more keywords
Adaptive Fuzzy Logic Control for a Class of Unknown Nonlinear Dynamic Systems with Guaranteed Stability
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Control, Automation and Electrical Systems"
DOI: 10.1007/s40313-017-0342-y
Abstract: In this paper, a stability analysis is suggested for adaptive fuzzy logic systems (FLSs) without the requirement of states measurement or estimation. Fuzzy logic is viewed as a powerful tool in providing accurate approximation of… read more here.
Keywords: nonlinear dynamic; control; adaptive fuzzy; fuzzy logic ... See more keywords
Modified differential transformation method for solving nonlinear dynamic problems
Sign Up to like & getrecommendations! Published in 2017 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2017.03.003
Abstract: Summary A family of explicit higher order time integration algorithms is presented. The proposed techniques are based on the modified version of the differential transformation methods. First four members of this family are considered thoroughly.… read more here.
Keywords: nonlinear dynamic; dynamic problems; modified differential; transformation method ... See more keywords
Predicting nonlinear dynamic response of internal cantilever beam system on a steadily rotating ring
Sign Up to like & getrecommendations! Published in 2018 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2018.08.001
Abstract: Abstract This paper is focused on nonlinear dynamic response of internal cantilever beam system on a steadily rotating ring via a nonlinear dynamic model. The analytical approximate solutions to the oscillation motion are obtained by… read more here.
Keywords: nonlinear dynamic; cantilever beam; internal cantilever; dynamic response ... See more keywords
A novel time integration formulation for nonlinear dynamic analysis
Sign Up to like & getrecommendations! Published in 2017 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2017.07.032
Abstract: Abstract To solve the linear and nonlinear dynamic equation of motion, a family of explicit higher-order time integration algorithms is presented. The differential transformation method in conjunction with the state–space concept is used. In this… read more here.
Keywords: time integration; integration formulation; novel time; nonlinear dynamic ... See more keywords
Effects of porosity and thermomechanical loading on free vibration and nonlinear dynamic response of functionally graded sandwich shells with double curvature
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.02.010
Abstract: Resume The fundamental frequencies and nonlinear dynamic responses of functionally graded sandwich shells with double curvature under the influence of thermomechanical loadings and porosities are investigated in this study. Two material models are considered. The… read more here.
Keywords: nonlinear dynamic; sandwich shells; functionally graded; shells double ... See more keywords
Nonlinear dynamic behavior of single-layer graphene under uniformly distributed loads
Sign Up to like & getrecommendations! Published in 2019 at "Composites Part B: Engineering"
DOI: 10.1016/j.compositesb.2019.01.072
Abstract: Abstract An atomistic-continuum multiscale approach is used to simulate the nonlinear dynamic behavior of simply-supported single layer graphene sheets subject to a uniformly distributed out-of-plane load. The dynamic equation of motion is derived and solved… read more here.
Keywords: nonlinear dynamic; dynamic behavior; graphene; uniformly distributed ... See more keywords
Nonlinear dynamic analysis of FG carbon nanotube/epoxy nanocomposite cylinder with large strains assuming particle/matrix interphase using MLPG method
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Analysis With Boundary Elements"
DOI: 10.1016/j.enganabound.2021.06.028
Abstract: Abstract In this paper, a first known study on the large deformation dynamic behavior of functionally graded carbon nanotube-reinforced (CNTR) nanocomposite cylinder considering the particle/matrix interphase property is presented. The geometrically nonlinear dynamic analysis is… read more here.
Keywords: nonlinear dynamic; cylinder; interphase; carbon nanotube ... See more keywords
A compact nonlinear dynamic analysis technique for transmission line cascades
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2017.12.039
Abstract: Abstract Progressive failures, or cascades, have played a major role in numerous transmission system collapses around the globe during severe wind and ice storms. The failure of a line component overloads the system and initiates… read more here.
Keywords: nonlinear dynamic; line; transmission; analysis technique ... See more keywords