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Effects of centrifugal stiffening and spin softening on nonlinear modal characteristics of cyclic blades with impact–friction coupling
This paper aims to interpret the coupling modal properties of cyclic blades under impact–friction interactions and their evolution mechanism versus...
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Investigation of a Bandpass Filter Based on Nonlinear Modal Coupling via 2:1 Internal Resonance of Electrostatically Actuated Clamped-Guided Microbeams
Introduction and PurposeNonlinear modal coupling via internal resonances and parametric excitation in MEMS resonators has been widely used to improve...
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Video analysis of nonlinear systems with extended Kalman filtering for modal identification
This study proposes to carry out the experimental modal analysis of nonlinear systems under the assumption of almost invariant modal shapes by...
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High-Order Modal Vibration Control of Timoshenko Beams Based on Nonlinear Energy Sink Cells
PurposeIn engineering design, attention is usually paid to avoiding the low-order modal resonance of elastomers, but it is difficult to avoid...
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Accuracy of Nonlinear Substructuring Technique in the Modal Domain
The dynamic analysis of complex engineering systems can be performed by considering the assemblies as composed of subsystems and coupling them...
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Mass sensing based on nonlinear intermodal coupling via 2:1 internal resonance of electrostatically actuated clamped–clamped microbeams
Over recent decades, the application of internal resonance-based nonlinear intermodal coupling in electromechanical resonators has shown promise for...
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Coupling Vibration of a Moving Oscillator with a Sandwich Plate on Nonlinear Foundations
PurposeThe coupling of moving vibrators with sandwich plates on nonlinear elastic foundations holds significant reference value for the engineering...
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Experimental Modal Analysis of Nonlinear Amplified Piezoelectric Actuators by Using Response-Controlled Stepped-Sine Testing
BackgroundThe nonlinear dynamic behavior of miniature stack-type piezoelectric actuators is not yet fully investigated and is still an open research...
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Modeling and vibration analyzing of a double-beam system with a coupling nonlinear energy sink
Elastic beams are applied to various complex engineering structures in engineering fields. Unwanted vibration of elastic beams may cause some serious...
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The TRChallenge: Experimental Quantification of Nonlinear Modal Parameters and Confrontation with the Predictions
In recent years, the prediction of the behavior of structures with high-level nonlinearities has been a challenging area of research. In 2021, the...
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Nonlinear normal modes and dynamic balancing for a nonlinear rotor system
The basis of rotor dynamic balancing procedures depends on the linearization hypothesis of the system. However, some dynamical characteristics of...
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Coupling modeling of thermal–dynamics–milling process for spindle system considering nonlinear characteristics
In order to accurately understand the dynamic behavior of the machine tool spindle, it is necessary to accurately model the interactions between...
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Instability dynamics of Peregrine soliton revisited with a modal expansion technique
In this paper, we aim at taking a step towards exploring the unstable dynamics of Peregrine soliton as a prototype of rogue waves. Given its...
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Geometric design of friction ring dampers in blisks using nonlinear modal analysis and Kriging surrogate model
Integrally bladed disks (blisk) have been widely used in the turbo-machinery industry due to its high aerodynamic performance and structural...
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Nonlinear resonant response of a buckled beam coupled with a boundary massive oscillator
This study focuses on nonlinear modal resonant dynamics of a buckled beam coupled with a boundary massive oscillator. To reveal buckled beam–boundary...
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Linear Modal Substructuring with Nonlinear Connections
Large finite element models predominate the structural dynamic community, and inclusion of discrete nonlinear connections further complicates the...
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Multi-Modal Stress Characteristics Under Coupling Effect of Strip and Work Roll
In this paper, we investigate the rolling interface instability characteristics caused by the coupled motion of strip and the roll system. Based on...
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Modal Analysis of Nonlinear Mechanical Systems
The objective of this chapter is to introduce nonlinear normal modes (NNMs) to structural dynamicists who are not acquainted with them. Specifically,...
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On an objective, geometrically exact coupling element for a director-based multi-body finite element framework
In multi-body systems, flexible components and couplings between them can be subject to large displacements and rotations. This contribution presents...
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Modelling Thermoelastic Dam** in Nonlinear Plates with Internal Resonance
We use a nonlinear, reduced order, coupled thermoelastic model, derived from von Karman plate equations to study the transverse resonant response of...