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Wheel Rail contact calculator

version (125 KB) by Jong-Hwan Kim
This GUI program calculates some of specific data during the contact between wheel and rail.


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 (2021). Wheel Rail contact calculator (, MATLAB Central File Exchange. Retrieved .

Comments and Ratings (15)

Could you send me too the same manual as Pedro, my email is

Good afternoon, could you please send me an example of a manual or guide please.

Abdul Mannan

This code was very helpful to me. Thank you for sharing.
Is there anybody who can share Matlab code for Kalker's exact rolling contact (Algorithm NORM and TANG)?

Rubayet Hassan

the program isn't working

MinGu Chang

Alex Buda

The program isn't working

yassine chafiq

The program isn't working, thank you for sharing with me the changes for the program to work

Shu Li

The program isn't working


If its worthy, you can also take a look at - online calculator of Hertz contact. There is also contact simulator: - for stress and subsurface stress calculation of non-elliptically shaped geometry.

zeng wei

The program isn't working

Bapi Reddy Kallam

Please Elaborate the notation used in GUI file.


The program isn't working

zeng wei

sunil sharma


MATLAB Release Compatibility
Created with R2009a
Compatible with any release
Platform Compatibility
Windows macOS Linux

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