Nonlinear time-varying dynamic analysis of a spiral bevel geared system
SD Yavuz, ZB Saribay, E Cigeroglu - Nonlinear Dynamics, 2018 - Springer
In this paper, a nonlinear time-varying dynamic model of a drivetrain composed of a spiral
bevel gear pair, shafts and bearings is developed. Gear shafts are modeled by utilizing …
bevel gear pair, shafts and bearings is developed. Gear shafts are modeled by utilizing …
Ideal tooth profile modifications for improving nonlinear dynamic response of planetary gear trains
VY Öztürk, E Cigeroglu, HN Özgüven - Journal of Sound and Vibration, 2021 - Elsevier
The ultimate goal in this study is to investigate the effects of tooth profile modifications
(TPMs) on PGTs by performing parametric studies. For this purpose, firstly a nonlinear …
(TPMs) on PGTs by performing parametric studies. For this purpose, firstly a nonlinear …
A new modal superposition method for nonlinear vibration analysis of structures using hybrid mode shapes
In this paper, a new modal superposition method based on a hybrid mode shape concept is
developed for the determination of steady state vibration response of nonlinear structures …
developed for the determination of steady state vibration response of nonlinear structures …
Nonlinear resonances of axially functionally graded beams rotating with varying speed including Coriolis effects
The purpose of the current study was to develop an accurate model to investigate the
nonlinear resonances in an axially functionally graded beam rotating with time-dependent …
nonlinear resonances in an axially functionally graded beam rotating with time-dependent …
A novel modal superposition method with response dependent nonlinear modes for periodic vibration analysis of large MDOF nonlinear systems
Abstract Design of complex mechanical structures requires to predict nonlinearities that
affect the dynamic behavior considerably. However, finding the forced response of nonlinear …
affect the dynamic behavior considerably. However, finding the forced response of nonlinear …
Nonlinear free vibrations of curved double walled carbon nanotubes using differential quadrature method
E Cigeroglu, H Samandari - Physica E: Low-dimensional Systems and …, 2014 - Elsevier
Nonlinear free vibration analysis of curved double-walled carbon nanotubes (DWNTs)
embedded in an elastic medium is studied in this study. Nonlinearities considered are due to …
embedded in an elastic medium is studied in this study. Nonlinearities considered are due to …
A weak-form spectral Chebyshev technique for nonlinear vibrations of rotating functionally graded beams
This study presents the spectral Chebyshev technique (SCT) for nonlinear vibrations of
rotating beams based on a weak formulation. In addition to providing a fast-converging and …
rotating beams based on a weak formulation. In addition to providing a fast-converging and …
A receptance based method for the calculation of nonlinear normal modes of large ordered structures with distributed localized nonlinearities
H Samandari, E Cigeroglu - International Journal of Non-Linear Mechanics, 2022 - Elsevier
In recent years, the concept of nonlinear normal modes (NNMs) has gained interest for
interpreting a broad range of nonlinear dynamic phenomena. Present study introduces a …
interpreting a broad range of nonlinear dynamic phenomena. Present study introduces a …
Localization and identification of structural nonlinearities using cascaded optimization and neural networks
A Koyuncu, E Cigeroglu, HN Özgüven - Mechanical Systems and Signal …, 2017 - Elsevier
In this study, a new approach is proposed for identification of structural nonlinearities by
employing cascaded optimization and neural networks. Linear finite element model of the …
employing cascaded optimization and neural networks. Linear finite element model of the …
A novel two-step pseudo-response based adaptive harmonic balance method for dynamic analysis of nonlinear structures
O Sert, E Cigeroglu - Mechanical Systems and Signal Processing, 2019 - Elsevier
Harmonic balance method (HBM) is one of the most popular and powerful methods, which is
used to obtain response of nonlinear vibratory systems in frequency domain. The main idea …
used to obtain response of nonlinear vibratory systems in frequency domain. The main idea …