Application of the Lateral Stress Theory for Groove Wander Prediction Using Finite Element Analysis

2001 ◽  
Vol 29 (4) ◽  
pp. 244-257 ◽  
Author(s):  
J. M. Peters

Abstract Ride is a critical component for driver and passenger satisfaction. Groove wander is a ride disturbance experienced on grooved highways. Screening new tire designs for groove wander requires accurate measurement or accurate prediction tools. This paper presents a review of published theories for groove wander. A new theory for groove wander is presented and validated using an indoor test developed at Smithers. In addition, the development and validation of a finite element analysis (FEA)-based groove wander model by application of the lateral stress theory will be reviewed.

Spine ◽  
2020 ◽  
Vol 45 (16) ◽  
pp. E978-E988
Author(s):  
Deepak Gupta ◽  
Mohd Zubair ◽  
Sanjeev Lalwani ◽  
Shiva Gamanagatti ◽  
Tara Sankar Roy ◽  
...  

2010 ◽  
Vol 43 (8) ◽  
pp. 1635-1639 ◽  
Author(s):  
Vickie Shim ◽  
Jörg Böhme ◽  
Peter Vaitl ◽  
Stefan Klima ◽  
Christoph Josten ◽  
...  

Author(s):  
Anat Hasap ◽  
Phanasindh Paitekul ◽  
Nitikorn Noraphaiphipaksa ◽  
Chaosuan Kanchanomai

As a critical component of the fastening system, the elastic rail clip maintains the rail in the vertical, lateral, and longitudinal positions using its specified toe load. In this study, the influence of toe load on the deformation and fatigue resistance of the clip was studied. Finite element analysis, static load experiments, and fatigue experiments were performed to evaluate the deformation and fatigue resistance of the clip. With the contribution of the lateral wheel load, the deformation range of the outer clip was higher than that of the inner clip. Therefore, the cyclic deformation of the outer clip was used for the fatigue experiment. The toe load had no influence on the fatigue resistance of the clip under normal wheel load, i.e. the clips under high, normal, and low toe loads were run-out at 5 × 106 cycles. However, with the contribution of impact on the wheel load, the fatigue lives were reduced to 5468 cycles and 16,839 cycles for the clips under high and normal toe loads, respectively. In the case of low toe load, the clip under the contribution of impact could withstand more than 5 × 106 cycles. Accordingly, the reduction of toe load may enhance the fatigue resistance of the clip under impact.


2016 ◽  
Vol 45 (1) ◽  
pp. 21-26 ◽  
Author(s):  
Letícia Brandão DURAND ◽  
Jackeline Coutinho GUIMARÃES ◽  
Sylvio MONTEIRO JUNIOR ◽  
Luiz Narciso BARATIERI

Abstract Introduction The development and validation of mathematical models is an important step of the methodology of finite element studies. Objective This study aims to describe the development and validation of a three-dimensional numerical model of a maxillary premolar for finite element analysis. Material and method The 3D model was based on standardized photographs of sequential slices of an intact premolar and generated with the use of SolidWorks Software (Dassault, France). In order to validate the model, compression and numerical tests were performed. The load versus displacement graphs of both tests were visually compared, the percentage of error calculated and homogeneity of regression coefficients tested. Result An accurate 3D model was developed and validated since the graphs were visually similar, the percentage error was within acceptable limits, and the straight lines were considered parallel. Conclusion The modeling procedures and validation described allows the development of accurate 3D dental models with biomechanical behavior similar to natural teeth. The methods may be applied in development and validation of new models and computer-aided simulations using FEM.


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