Search
Now showing items 1-10 of 25
Simulating the damped vibrations of a fractional oscillator with fuzzy initial conditions.
(Politechnika Łódzka. Wydział Mechaniczny. Katedra Automatyki, Biomechaniki i Mechatroniki., 2015)
A Picard-like scheme using quadrature and differential quadrature
rules, formerly introduced to solve integro-differential equations, is herein adapted
to solve the problem of an oscillator with damping defined by the ...
Mechanical systems with two nonlinear springs connected in series.
(Politechnika Łódzka. Wydział Mechaniczny. Katedra Automatyki, Biomechaniki i Mechatroniki., 2015)
The aim of the paper is analysis of dynamical regular response of the
nonlinear oscillator with two serially connected springs of cubic type nonlinearity. Behaviour of such systems is described by a set of differential-algebraic ...
Axially excited spatial double pendulum nonlinear dynamics.
(Politechnika Łódzka. Wydział Mechaniczny. Katedra Automatyki, Biomechaniki i Mechatroniki., 2015)
Analysis of a 3D spatial double physical pendulum system, coupled by two
universal joints is performed. External excitation of the mechanism is realized
by axial periodic rotations of the first joint of the pendulum. ...
On the vibrations of a composite structure with hexagonal structure of a circular inclusions.
(Politechnika Łódzka. Wydział Mechaniczny. Katedra Automatyki, Biomechaniki i Mechatroniki., 2015)
One of the major advantages of homogenization is a possibility of the
generalization of the obtained results. Namely, if a solution to the local problem is found, then without principal problems one may solve not only the ...
Experimental and numerical investigations of a pendulum driven by a low-powered DC motor.
(Politechnika Łódzka. Wydział Mechaniczny. Katedra Automatyki, Biomechaniki i Mechatroniki., 2015)
The work is a continuation of numerical and experimental investigations of
a system consisting of a single pendulum with the joint horizontally driven by the use
of a crank-slider mechanism and DC motor. The power supplied ...
Vibration Analysis of Collecting Electrodes by means of the Hybrid Finite Element Method
(2014)
The paper presents a hybrid finite element method of shell modeling in order to model collecting electrodes of electrostatic precipitators. The method uses the finite element method to reflect elastic features and the rigid ...
Strain analysis and structural optimization of functionally graded rod with small concentration of inclusions.
(Politechnika Łódzka. Wydział Mechaniczny. Katedra Automatyki, Biomechaniki i Mechatroniki., 2015)
The homogenization procedure is applied to strain analysis and optimal
design of a Functionally Graded (FG) rod in the case when the inclusion size is
essentially less than a distance between them. The method is illustrated ...
Regular and Chaotic Dynamics of Flexible Plates
(2014)
Nonlinear dynamics of flexible rectangular plates subjected to the action of longitudinal and time periodic load distributed on the plate perimeter is investigated. Applying both the classical Fourier and wavelet analysis ...
Decomposition of the Equations of Motion in the Analysis of Dynamics of a 3-DOF Nonideal System
(2014)
The dynamic response of a nonlinear system with three degrees of freedom, which is excited by nonideal excitation, is investigated. In the considered system the role of a nonideal source is played by a direct current motor, ...
On the Iterative Methods of Linearization, Decrease of Order and Dimension of the Karman-Type PDEs
(2014)
Iterative methods to achieve a suitable linearization as well as a decrease of the order and dimension of nonlinear partial differential equations of the eighth order into the biharmonic and Poisson-type differential ...