Results 21 to 30 of about 12,454,788 (191)

Analytical Periodic Solutions for Non-Homogenous Integrable Dispersionless Equations Using a Modified Harmonic Balance Method

open access: yesMathematics
In this study, we outline a modified harmonic balance method for solving non-homogenous integrable dispersionless equations and obtaining the corresponding periodic solutions, a research field which shows limited investigation. This study is the first to
Muhammad Irfan Khan   +2 more
doaj   +2 more sources

Harmonic balance method for solving a large-amplitude oscillation of a conservative system with inertia and static non-linearity

open access: yesResults in Physics, 2016
In this paper, an analytical approximate technique based on harmonic balance method (HBM) is presented to obtain the approximate frequencies and the corresponding periodic solutions of a conservative oscillator having inertia and static non-linearity ...
Md. Helal Uddin Molla   +2 more
doaj   +3 more sources

A simple modified harmonic balance method for strongly nonlinear oscillator with cubic non-linearity and harmonic restoring force

open access: yesJournal of Low Frequency Noise, Vibration and Active Control
In this article, a very simple modified form of the harmonic balance method is used to solve a strongly nonlinear oscillator with cubic nonlinearity and harmonic restoring force.
Nazmul Sharif   +2 more
doaj   +2 more sources

A numerical conformal transformation method for harmonic mixed boundary value problems in polygonal domains [PDF]

open access: yes, 1972
A method is given for solving two dimensional harmonic mixed boundary value problems in simply-connected polygonal domains with re-entrant boundaries.
Whiteman, J R, Papamichael, N
core   +6 more sources

Modified Multi-level Residue Harmonic Balance Method for Solving Nonlinear Vibration Problem of Beam Resting on Nonlinear Elastic Foundation [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2019
Nonlinear vibration behavior of beam is an important issue of structural engineering. In this study, a mathematical modeling of a forced nonlinear vibration of Euler-Bernoulli beam resting on nonlinear elastic foundation is presented.
Md. Saifur Rahman   +2 more
doaj   +1 more source

A domain decomposition method for solving the three-dimensional time-harmonic Maxwell equations discretized by discontinuous Galerkin methods [PDF]

open access: yes, 2008
We present here a domain decomposition method for solving the three-dimensional time-harmonic Maxwell equations discretized by a discontinuous Galerkin method.
Dolean Maini, Victorita   +3 more
core   +4 more sources

Free vibration analysis of nonlinear axially loaded beams using a modified harmonic balance method

open access: yesPartial Differential Equations in Applied Mathematics, 2022
The conventional harmonic balance method utilizes a numerical approach for solving a set of nonlinear algebraic equations to identify the unknown coefficients.
M. Wali Ullah   +2 more
doaj   +1 more source

Global residue harmonic balance method for strongly nonlinear oscillator with cubic and harmonic restoring force

open access: yesJournal of Low Frequency Noise, Vibration and Active Control, 2022
This paper focuses on the numerical investigation of a strongly nonlinear oscillator with cubic and harmonic restoring force. We transform this oscillator as a free damped cubic-quintic Duffing oscillator equation by Taylor approximation.
Junfeng Lu
doaj   +1 more source

Non-Uniform Time Sampling for Multiple-Frequency Harmonic Balance Computations [PDF]

open access: yes, 2013
A time-domain harmonic balance method for the analysis of almost-periodic (multi-harmonics) flows is presented. This method relies on Fourier analysis to derive an efficient alternative to classical time marching schemes for such flows.
Dufour, Guillaume   +5 more
core   +1 more source

A New Framework for the Harmonic Balance Method in OpenFOAM

open access: yesMachines, 2022
The Harmonic Balance Method is one of the most commonly employed Reduced Order Models for turbomachinery calculations, since it leverages the signal sparsity in the frequency domain to cast the transient equations into a coupled set of steady-state ones.
Stefano Oliani   +2 more
doaj   +1 more source

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