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 …

Dynamic modeling and projection-based reduction methods for bladed disks with nonlinear frictional and intermittent contact interfaces

M Mitra, BI Epureanu - Applied Mechanics Reviews, 2019 - asmedigitalcollection.asme.org
Turbine bladed disks or blisks, which constitute critical components of most modern
turbomachinery, are known for their complex vibratory behavior. The nonlinear dynamics …

A reduced Iwan model that includes pinning for bolted joint mechanics

MRW Brake - Nonlinear Dynamics, 2017 - Springer
Bolted joints are prevalent in most assembled structures; however, predictive models for
their behavior do not exist. Calibrated models, such as the Iwan model, are able to predict …

Experimental assessment of the influence of interface geometries on structural dynamic response

T Dossogne, TW Jerome, DPT Lancereau… - Dynamics of Coupled …, 2017 - Springer
Jointed interfaces are sources of the greatest amount of uncertainty in the dynamics of a
structural assembly. In practice, jointed connections introduce nonlinearity into a system …

Experimental characterization of a new benchmark structure for prediction of damping nonlinearity

A Singh, M Scapolan, Y Saito, MS Allen… - … Dynamics, Volume 1 …, 2019 - Springer
Spacecraft, airplanes, automobiles, machines and civil structures are all constructed from
multiple parts joined by bolts, rivets or other fasteners and these joints lead to large …

On the characterization of nonlinearities in assembled structures

SA Smith, MRW Brake… - … of Vibration and …, 2020 - asmedigitalcollection.asme.org
This work refines a recently formalized methodology proposed by DJ Ewins consisting of ten
steps for model validation of nonlinear structures. This work details, through a series of …

[HTML][HTML] 连接结构界面摩擦力学建模研究进展

沈民民, 杨晓东 - 力学进展, 2024 - lxjz.cstam.org.cn
连接结构作为工业装备的核心部件之一, 是装备制造领域着重攻关优化的关键基础部件. 当前,
因连接界面的非线性, 复杂性, 不确定性等引起的跨尺度和多物理场复杂力学行为机理不明 …

[HTML][HTML] Experimental and numerical study of structural damping in a beam with bolted splice connection

O Mijatović, A Borković, M Guzijan-Dilber… - Thin-Walled …, 2023 - Elsevier
The objective of this research is to develop a numerical model of one widely used bolted
beam splice connection that dissipates energy through structural damping. The reference …

Instantaneous frequency and damping from transient ring-down data

RJ Kuether, MRW Brake - Dynamics of Coupled Structures, Volume 4 …, 2016 - Springer
Broadband impact excitation in structural dynamics is a common technique used to detect
and characterize nonlinearities in mechanical systems since it excites many frequencies of a …

Substructuring of a nonlinear beam using a modal Iwan framework, Part I: Nonlinear Modal Model Identification

D Roettgen, MS Allen, D Kammer, RL Mayes - Dynamics of Coupled …, 2017 - Springer
This work uses a method whereby weak nonlinearity in a substructure, as typically arises
due to microslip in bolted interfaces, can be captured and modeled on a mode-by-mode …