Multibody modeling of non-planar ball bearings

Bovet, Christophe; Linares, Jean‐Marc; Zamponi, Laurent; Mermoz, Emmanuel

doi:10.1051/meca/2013075

Cited by 9 publications

(5 citation statements)

References 19 publications

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“…Finally, the approach is summarized in (30,31). It should be noted that the clearance C used for the hydrodynamic force model is replaced by C + e 0 in the hybrid model.…”

Section: Interaction Between Race and Cagementioning

confidence: 99%

“…In the ehd lubrication model, the contribution of the tangential component is more cumbersome to derive. The approach presented in [31] is used again.…”

Section: Internal Interaction In a Multibody Dynamic Contextmentioning

confidence: 99%

“…The approach presented here draws on multibody dynamic formalism but also proposes a detailed treatment of internal interactions for rolling contact or cage behaviour. This approach has already been used in a previous work to predict ball bearing behaviour in the event of failure of the lubrication system [31]. The proposed model is not limited to planar systems and it includes several phenomena such as internal clearance and cage runout.…”

Section: Introductionmentioning

confidence: 99%

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An approach for predicting the internal behaviour of ball bearings under high moment load

Bovet

Zamponi

2016

Mechanism and Machine Theory

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This paper presents a modelling approach for predicting the internal dynamic behaviour of ball bearings under high moment loads. This type of loading is a specific feature of helicopter main gear boxes because of special design rules and the high structural flexibility of such systems. The ball bearing model proposed here is not limited to planar systems and incorporates several different phenomena such as contact deformation, elastohydrodynamic contact, internal clearance and cage run-out. The cage-race interaction is treated as a hybrid short journal model, which ensures continuity of the contact force at the transition from the hydrodynamic to metal-to-metal regime. In the dynamic analysis of such a severely loaded bearing, the dependence of the shaft-to-inner-ring force on inner race position cannot be neglected. An equivalent viscoelastic hinge joint has been developed, it produces an additional force that represents the overall rigidity of the system. The stiffness parameters of the joint are identified using global finite element simulations. A ball bearing loaded with two different moments is chosen as an example. Relevant results concerning the internal dynamic behaviour are given. The predicted cage trajectory has been compared to experimental observations, and good agreement has been found.

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“…Finally, the approach is summarized in (30,31). It should be noted that the clearance C used for the hydrodynamic force model is replaced by C + e 0 in the hybrid model.…”

Section: Interaction Between Race and Cagementioning

confidence: 99%

“…In the ehd lubrication model, the contribution of the tangential component is more cumbersome to derive. The approach presented in [31] is used again.…”

Section: Internal Interaction In a Multibody Dynamic Contextmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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An approach for predicting the internal behaviour of ball bearings under high moment load

Bovet

Zamponi

2016

Mechanism and Machine Theory

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“…Their model included the surface waviness of the inner and outer race of the ball bearings. In Bovet et al., 4 an advanced model of a ball bearing using a multibody approach was introduced.…”

Section: Introductionmentioning

confidence: 99%

A touchdown bearing with surface waviness: A dynamic model using a multibody approach

Halminen

Aceituno

Escalona

et al. 2017

Proceedings of the Institution of Mechanical Engineers, Part K:

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The amount of vibration induced by surface waviness in a touchdown bearing can be modelled with a multibody approach. This study develops a multibody model that accounts for surface waviness in races of touchdown bearings and employs the model to define the dissimilarities of the rotor and inner ring movements, and to perform inner ring velocity analysis in the frequency domain. Model results are compared with measured and simulated outcomes in the literature. Large movements are found in the orbits and velocities in the frequency domain due to surface waviness. Inner race eccentricity and ellipticity seem to be the cause of the most damaging surface waviness. In the frequency domain, all the significant peaks were noticed to be multiplications of rotor pendulum frequency, and the frequency of the inner ring was traceable in cases with waviness in the bearing. The model proposed in this study enables waviness to be taken into account in design of touchdown bearings.

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“…For low computational cost and without any spatial discretization, it gave a good estimation of tangential traction and creep. Also, a regularization of the Kalker linear creep theory was presented [25]. Recently, different research works have been presented for analysis of the material deformations in various references [26,27].…”

mentioning

confidence: 99%

Neural Network Based Simulation of Micro Creeping Fibrous Composites SiC/Al6061 for Plastic Behaviour

Monfared¹

2017

Journal of Theoretical and Applied Mechanics

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The present work presents a new approach based on neural network prediction for simple and fast estimation of the creep plastic behaviour of the short fiber composites. Also, this approach is proposed to reduce the solution procedure. Moreover, as a significant application of the method, shuttles and spaceships, turbine blades and discs are generally subjected to the creep effects. Consequently, analysis of the creep phenomenon is required and vital in different industries. Analysis of the creep behaviour is required for failure, fracture, fatigue, and creep resistance of the optoelectronic/photonic composites, and sensors. One of the main applications of the present work is in designing the composites with optical fibers and devices. At last, a good agreement is seen among the present prediction by neural network approach, finite element method (FEM), and the experimental results.

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Multibody modeling of non-planar ball bearings

Cited by 9 publications

References 19 publications

An approach for predicting the internal behaviour of ball bearings under high moment load

An approach for predicting the internal behaviour of ball bearings under high moment load

A touchdown bearing with surface waviness: A dynamic model using a multibody approach

Neural Network Based Simulation of Micro Creeping Fibrous Composites SiC/Al6061 for Plastic Behaviour

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