Communications - Scientific Letters of the University of Zilina 2013, 15(3):126-132 | DOI: 10.26552/com.C.2013.3.126-132

Wheel/Rail Contact Stress Evaluation by Means of The modified Strip Method

Tomas Lack1, Juraj Gerlici1
1 Faculty of Mechanical Engineering, University of Zilina, Slovakia

The Strip Method is often used for rail/wheel contact area and contact normal stress evaluation. The paper deals with the computational time saving procedure when the computation accuracy is guaranteed. We included the local coordinate system with a presupposed semi-circular course of the normal stress for the purpose of the integral that is necessary for deformation in the middle of individual strips evaluation. The integral is solvable analytically. The input parameters for individual parts of splines and individual strips expression are possible to insert after analytical solution.

Keywords: wheel/rail contact, contact stress evaluation, modified strip method, optimized computation procedure

Published: August 31, 2013  Show citation

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Lack, T., & Gerlici, J. (2013). Wheel/Rail Contact Stress Evaluation by Means of The modified Strip Method. Communications - Scientific Letters of the University of Zilina, 15(3), 126-132. doi: 10.26552/com.C.2013.3.126-132
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    References

    1. GERLICI J., LACK, T. et al.: Transport Means Properties Analysis - part I, p. 214, EDIS: University of Zilina, 2005, ISBN 80-8070-408-2, 2005.
    2. LACK, T. GERLICI, J.: Contact Area and Normal Stress Determination on Railway Wheel / Rail Contact, Communications - Scientific Letters of the University of Zilina, vol. 7, No. 2, 2005, pp. 38-45. Go to original source...
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    4. GERLICI, J., LACK, T.: Strip Method Modification for Stresses in a Wheel / Rail Contact Computation (in Slovak), Proc. of the 7th Intern. Conference Dynamics of Rigid and Deformable Bodies, Usti nad Labem, September, 2009.
    5. LACK, T., GERLICI, J.: Contact Stresses between Railway Wheel and Rail Computation by Means of Strip Method Optimized Procedure (in Slovak), Proc. of the 9th Intern. Conference Dynamics of Rigid and Deformable Bodies 2011, Usti nad Labem, October, 2011.
    6. LACK, T., GERLICI, J.: Modified Strip Method Utilization for Wheel /Rail Contact Stress Evaluation, Proc. of the 9th Intern. Conference on Contact Mechanics and Wear of Rail/Wheel Systems (CM2012), Chengdu, China, 2012.
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