Wheel Rail contact calculator

Version 5.0.0.0 (125 KB) by Jong-Hwan Kim
This GUI program calculates some of specific data during the contact between wheel and rail.
4.0
(6)
1.8K Downloads
Updated 31 Aug 2017

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This GUI program might be able to calculate the contact size and contact pressure on the contact patch by Hertz theory. The program also calculates normal force versus creepage comparing both Johnson and Vermeulen theory and Kalker's theory. It might be a good tool to visualize contact.

Cite As

Jong-Hwan Kim (2024). Wheel Rail contact calculator (https://www.mathworks.com/matlabcentral/fileexchange/32942-wheel-rail-contact-calculator), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2009a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
5.0.0.0

Bug fixed. Parameters n and m for contact pressure were set in 10 and 8, respectively. Also parameters phi1 and phi2 for Johnson and Kalker methods were set in 0.45 and 0.5, respectively. Play it by clicking buttons. Thanks.
1.6.0.0

improve errors and increase calculation speed.
1.5.0.0

updated units and dimension. revised bugs.
1.4.0.0

I updated it with improvement of Hertz theory (K4 value).
1.3.0.0

I fixed Kalker's theory part and added compare function to see how different two theories are.
1.2.0.0

I uploaded m and fig files together
1.1.0.0

I uploaded fig file to work m file better.
1.0.0.0