Wheel-Rail Contact Forces
Wheel–rail contact: experimental study of the creep forces–creepage relationships
... The wheel-rail contact problem plays an important role in the simulation methods used to solve railway dynamics ...the wheel-rail contact ...the wheel-rail ...
9
Design & Analysis of Rail Wheel Failure
... larger wheel/rail contact ...optimize wheel and rail design to improve the performance and reduce the ...major wheel rim damage from wear to ...
5
Assessment of railway ground vibration in urban area using in-situ transfer mobilities and simulated vehicle-track interaction
... a rail modelled by a Euler – Bernoulli beam, and discretely supported ...flexible rail is modelled with the finite element ...The wheel/rail contact forces are defined to couple ...
18
Preliminary Results on Dynamic Analysis of a New Test Rig for Wheel-Rail Contact Studies
... on wheel let it to simulate frictional rolling condition in the presence of normal and tangential ...Dynamic forces in each FE model were obtained during the entire wheel ...the ...
11
Simulation study of thermally initiated rail defects
... the rail at the wheel contact patch is sufficient to raise the rail to the eutectoid temperature of the ...the rail near surface region from this temperature as the contact area ...
18
Analytical Approach to Vibration Analysis Of the Wheel-rail contact
... of contact forces on the vibration behavior of rotary components has been known for many years but a fully satisfactory explanation of the phenomenon has not yet been ...
10
Measuring wheel/rail contact stresses using ultrasound
... anticipated contact area of the contacting ...a contact computation program [9] that works by replacing the continuous pressure distribution with a discrete set of ...The contact computation applies ...
13
Design and optimisation of wheel rail profiles for adhesion improvement
... railway wheel profiles to reflect the importance of various factors including the maximum values of contact stress, lateral force on the track, derailment quotient and total wear and ride ...geometric ...
18
Contact Force Estimation in the Railway Vehicle Wheel Rail Interface
... creep forces of the wheel-rail ...the wheel tread and rail head, predict the formation of rolling contact fatigue, and identify any areas of low adhesion present on the ...
7
The effect of railway local irregularities on ground vibration
... The wheel/rail forces are defined using Hertz’s theory and allow coupling between the vehicle model and the ...applied forces (suspensions, wheel/rail contact) and the ...
18
The Influence of Wheel/Rail Contact Conditions on the Microstructure and Hardness of Railway Wheels
... rolling contact fatigue damage is influenced by the properties of the wheel ...composition, wheel manufacturing process, and thermal and mechanical loading during ...the wheel tread. This ...
17
Design and optimisation of wheel rail profiles for adhesion improvement
... railway wheel and rail are referred to as profiles that are the basis of the contact geometry problem in wheel-rail ...geometric contact and vehicle dynamics are taken into ...
28
Dynamical attitude of non-linearly parameters of rail wheel contact on application of creep coefficient
... braking forces properly ...respectively. Wheel slip/slide is an undesirable phenomenon and results in excessive wear rails and wheels ...of wheel to longitudinal speed ...on rail track ...
5
Modeling of Energy Processes in Wheel Rail Contacts Operating under Influence of Periodic Discontinuous Forces
... time-discontinuous forces in the wheel-rail ...the rail strength through the evaluation of the loop’s ...of contact displacements of the rail surface have been considered on the ...
15
Finite Element Analysis of Rail Wheel Interaction
... includes wheel-rail contact analysis based on Rolling contact ...the rail head on straight ...of rail replacements were found to be due to problems caused by rolling ...
8
The Effect of Profiles on Wheel and Rail Damage
... the wheel and rail profiles currently used on railway ...in wheel-rail contact and summarises the methods that have recently been developed by railway engineers to predict the level of ...
6
A Recursive Wheel Wear and Vehicle Dynamic Performance Evolution Computational Model for Rail Vehicles with Tread Brakes
... simultaneous contact patches are intermittently observed in the worn wheel after 20,088 km distance covered by the ...secondary contact patch appears for a small duration in the initial stages and as ...
28
Effect of the wheel/rail contact angle and the direction of the saturated creep force on rail corrugation
... of rail corrugation on tight curved ...causing rail corrugation, an elastic vibration model of the leading wheelset-track system is ...creep forces at the inner and outer wheels of the leading ...
15
A Novel Approach To Modelling And Simulation Of The Dynamic Behaviour Of The Wheel Rail Interface
... flange contact is 40m/s while for the Heuristic Non-linear model, the critical velocity just before wheel flange contact is ...gravitational forces act as a restoring force to limit these ...
7
Integrating Dynamics and Wear Modelling to Predict Railway Wheel Profile Evolution
... initial wheel and rail profiles, a wear sequence reproducing the vehicle mission profile is simulated using the multi-body vehicle ...global contact parameters (position of contacts, resulting ...
12