A review of damping models for structures with mechanical joints
AT Mathis, NN Balaji, RJ Kuether… - Applied …, 2020 - asmedigitalcollection.asme.org
In a standard design practice, it is often necessary to assemble engineered structures from
individually manufactured parts. Ideally, the assembled system should perform as if the …
individually manufactured parts. Ideally, the assembled system should perform as if the …
[HTML][HTML] The impact of fretting wear on structural dynamics: Experiment and Simulation
This paper investigates the effects of fretting wear on frictional contacts. A high frequency
friction rig is used to measure the evolution of hysteresis loops, friction coefficient and …
friction rig is used to measure the evolution of hysteresis loops, friction coefficient and …
[HTML][HTML] Friction damping for turbomachinery: A comprehensive review of modelling, design strategies, and testing capabilities
This paper presents a comprehensive review of recent advancements in modelling
approaches, design strategies, and testing techniques applied to friction damping in …
approaches, design strategies, and testing techniques applied to friction damping in …
Further investigation on improved viscoelastic contact force model extended based on hertz's law in multibody system
Since the Hertzian contact stiffness coefficient is closely related to the power exponent, the
modification of the Hertzian contact stiffness coefficient leads to some problems:(i) the power …
modification of the Hertzian contact stiffness coefficient leads to some problems:(i) the power …
Traction-based multi-scale nonlinear dynamic modeling of bolted joints: Formulation, application, and trends in micro-scale interface evolution
A new framework for modeling the dynamics of bolted structures is proposed that considers
the nonlinear interfacial modeling of bolted structures using multi-scale traction-based …
the nonlinear interfacial modeling of bolted structures using multi-scale traction-based …
Towards a predictive, physics-based friction model for the dynamics of jointed structures
Bolted connections are ubiquitous in mechanical designs and pose a significant challenge
to understanding and predicting the vibration response of assembled structures. The present …
to understanding and predicting the vibration response of assembled structures. The present …
[HTML][HTML] A general geometrical theory of turbine blade underplatform asymmetric dampers
MM Gola - Mechanical Systems and Signal Processing, 2023 - Elsevier
This paper presents a general geometric theory of in-plane motion of underplatform
dampers as a function of blade neck deflection and the resulting platform kinematics. In …
dampers as a function of blade neck deflection and the resulting platform kinematics. In …
An extended energy balance method for resonance prediction in forced response of systems with non-conservative nonlinearities using damped nonlinear normal …
The dynamic analysis of systems with nonlinearities has become an important topic in many
engineering fields. Apart from the forced response analyses, nonlinear modal analysis has …
engineering fields. Apart from the forced response analyses, nonlinear modal analysis has …
Nonlinear dynamic analysis of three-dimensional bladed-disks with frictional contact interfaces based on cyclic reduction strategies
In bladed disks, friction nonlinearities occurring within the contact between the blades and
disk or between the blades and underplatform dampers are used to decrease the vibratory …
disk or between the blades and underplatform dampers are used to decrease the vibratory …
Parametric study and uncertainty quantification of the nonlinear modal properties of frictional dampers
A numerical methodology is described to study the influence of the contact location and
contact condition of friction damper in aircraft engines. A simplified beam model is used to …
contact condition of friction damper in aircraft engines. A simplified beam model is used to …