a nonlinear dynamic model of the vibration response of

[PDF] A nonlinear dynamic model of the vibration

This paper presents a nonlinear dynamic model of the contact forces and vibration generated in rolling element bearings due to a surface defect in a raceway A rectangular shape defect with sharp edges is selected for modelling because previous models were not able to predict the low frequency vibration event that occurs when a rolling element enters the defect

A nonlinear dynamic model of the vibration response of

2013-7-10This paper presents a nonlinear dynamic model of the contact forces and vibration generated in rolling element bear-ings due to a surface defect in a raceway A rectangular shape defect with sharp edges is selected for modelling be-cause previous models were not able to predict the low frequency vibration event that occurs when a rolling element

Modeling tangential friction based on contact

Subjected to dynamic excitations bolted joint interfaces exhibit nonlinear characteristics that significantly affect the dynamic response of assembled structures In this paper a novel modeling method is developed to improve the prediction accuracy of the tangential contact behavior of bolted joint interfaces This method is based on the framework of the Iwan model and builds the

Nonlinear dynamic modeling and resonance tuning of

Nonlinear dynamic modeling and resonance tuning of Galfenol vibration A single degree of freedom model for the nonlinear vibration of the absorber is presented The model is valid under arbitrary The frequency domain response of the composite's vibration is desired to quantify the tunability of the composite's reso-nance However

A nonlinear dynamic model of the vibration response of

2013-7-10This paper presents a nonlinear dynamic model of the contact forces and vibration generated in rolling element bear-ings due to a surface defect in a raceway A rectangular shape defect with sharp edges is selected for modelling be-cause previous models were not able to predict the low frequency vibration event that occurs when a rolling element

Structural optimization for nonlinear dynamic

The approach combines techniques from nonlinear dynamics computational mechanics and optimization and it allows one to relate the geometric and material properties of structural elements to terms in the normal form for a given resonance condition thereby providing a means for tailoring its nonlinear response

Orion E

2020-5-18NASA vibration testing of the European Service Module (ESM) Structural Test Article (E-STA) for the Orion MultiPurpose Crew Vehicle (MPCV) program demonstrated significant nonlinear behaviors and response deviation from pre-test finite element analysis (FEA) predictions Previous investigation by Quartus and NESC identified and limited the primary nonlinearities to three major

CiteSeerX — Study on Nonlinear Dynamic Response

The results show that the vibration amplitude near housing bearing seat is largest secondly is the top of the housing and the vibration response at the sides and bottom of the housing are the smallest As meshing stiffness and bearing support stiffness increase vibration velocity and acceleration of the housing increase gradually

Nonlinear dynamics and control of a pneumatic

For a full nonlinear pneumatic isolator model the response to two different types of disturbances is studied: forces applied to the isolated payload and base vibrations The dynamic behavior of the isolator in case of a disturbance applied to the payload is studied using the generalized force-mobility function and features coexisting steady

NONLINEAR VIBRATION AND FREQUENCY RESPONSE

2018-11-15geometry of the beam introduce both linear and nonlinear coupling between flexural vibration as well as longitudinal and torsional vibrations Considering different geometrical configurations for the beam it is demonstrated how beam geometry or piezoelectric properties bring different nonlinear coupling terms into the equations

Nonlinear dynamic model and vibration response of

By considering the deep groove ball bearing as the research object and using Hertzian contact theory and elastic mechanics and geometry a nonlinear dynamic model is established herein for the study of vibration response of deep groove ball bearings having single defect on surfaces of inner and outer races The outer race and inner race defect size parameters are introduced into this

An improved planar dynamic model for vibration

Fig 1 shows the proposed planar dynamic model of a shaft-CRB-housing system The model includes the masses of the shaft with the inner raceway (m i) the rollers (m r) the outer raceway with the housing (m o) and the cage (m c) A static load Q is applied on the shaft in the X direction The elastic supports of the shaft and housing are described by the spring and damper models where k s k

A nonlinear dynamic model of the vibration response of

2017-5-9Proceedings of Acoustics 2013 – Victor Harbor 17-20 November 2013 Victor Harbor Australia A nonlinear dynamic model of the vibration response of defective rolling element bearings Alireza Moazenahmadi Dick Petersen and Carl Howard School of

Nonlinear Stochastic Optimal Control Using

An optimal control strategy for the random vibration reduction of nonlinear structures using piezoelectric stack inertial actuator is proposed First the dynamic model of the nonlinear structure considering the dynamics of a piezoelectric stack inertial actuator is established and the motion equation of the coupled system is described by a quasi-non-integrable-Hamiltonian system Then using

Nonlinear dynamic modeling and resonance tuning of

2013-7-11The nonlinear bending vibration of the composite is modeled to quantify changes in the composite's frequency response due to variations in the excitation power amplitude and the bias magnetic field For computational purposes the composite is approximated as a simple mass–spring–damper system where the spring behaves nonlinearly due to

Beam Vibration

1 Free vibration analysis that has been done in here is a process of describing a structure in terms of its natural characteristics which are the frequency and mode shapes A continuous cracked bar vibration model is developed for the lateral vibration of a cracked Euler-Bernoulli cantilevered beam with

Development and validation of a nonlinear dynamic

2020-8-13Development and validation of a nonlinear dynamic model for tuned liquid multiple columns dampers Abstract The tuned liquid column damper (TLCD) a passive damping device consisting of a large U-tube with oscillating liquid has been shown to be effective at

2150 Nonlinear dynamic model and vibration response of

2150 Nonlinear dynamic model and vibration response of faulty outer and inner race rolling element bearings Peiming Shi1 Xiao Su2 Dongying Han3 1 2Institute of Electrical Engineering Yanshan University Qinhuangdao Hebei 066004 P R China 3Institute of Vehicles and Energy Yanshan University Qinhuangdao Hebei 066004 P R China

Nonlinear Dynamics and Vibration of Gear and

Chapter ref{{CH:HAC_3DSingle}} investigates the three-dimensional nonlinear dynamic response in helical gear pairs The gear translational and rotational vibrations in the three-dimensional space are calculated using an analytical model while the force due to

Nonlinear Dynamic Response and Vibration Active

2018-2-25Nonlinear Dynamic Response and Vibration Active Control of Piezoelectric Elasto-plastic Laminated Plates with Damage Show all authors Yanping Tian an analytical model for the vibration control of the system is proposed by introducing the negative velocity feedback control algorithm coupling the direct and converse piezoelectric effects

Development and validation of a nonlinear dynamic

2020-8-13Development and validation of a nonlinear dynamic model for tuned liquid multiple columns dampers Abstract The tuned liquid column damper (TLCD) a passive damping device consisting of a large U-tube with oscillating liquid has been shown to be effective at

Dynamic Model and Analysis of Nonlinear Vibration

error gear backlash a nonlinear dynamic model of the twisting vibration of the curve-face gear was established [16] However the systematic analysis of the effect of the basic parameters of curve-face gear on the vibration response remain unknow and the phenomenon of the limited speed of curve-face gear is not yet analysed

Development and validation of a nonlinear dynamic

2020-8-13Development and validation of a nonlinear dynamic model for tuned liquid multiple columns dampers Abstract The tuned liquid column damper (TLCD) a passive damping device consisting of a large U-tube with oscillating liquid has been shown to be effective at

Nonlinear Stochastic Optimal Control Using

An optimal control strategy for the random vibration reduction of nonlinear structures using piezoelectric stack inertial actuator is proposed First the dynamic model of the nonlinear structure considering the dynamics of a piezoelectric stack inertial actuator is established and the motion equation of the coupled system is described by a quasi-non-integrable-Hamiltonian system Then using

NONLINEAR DYNAMIC MODEL ON STEEL

2011-3-23The dynamic responses to impulse and random vibrations of this system are investigated with the nonlinear dynamic model The simulated results are discussed The theoretical analyses and simulated results show that the nonlinear dynamic model with the softened frequency coefficient has a better isolation effect compared to the linear Hookean spring model

A nonlinear dynamic model of the vibration response of

2013-11-28This paper develops a dynamic model that can be used to predict the contact forces and vibration response of a wide range of defect profiles However this paper focuses on rec-tangular shaped bearing defects with sharp edges The non-linear model includes the dynamics of the raceways and roll-

Random Vibration Ansys

Vibration analysis of industrial machinery has been around for many decades but gained prominence with the introduction and widespread use of the personal computer Multi-point response spectrum Nonlinear Random Vibration by Cho W S To 9780415898973 The Finite Element Method for Mechanics of Solids with ANSYS Applications