Code covered by the BSD License

contact_ellipse_calculator(va... CONTACT_ELLIPSE_CALCULATOR M-file for contact_ellipse_calculator.fig
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Wheel Rail contact calculator

18 Sep 2011 (Updated 20 Nov 2012)

This GUI program calculates some of specific data during the contact between wheel and rail.

File Information
Description	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.
MATLAB release	MATLAB 7.8 (R2009a)

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Everyone's Tags	contact dynamics(2), data import, gui, image processing, johnson and vermeulen theory, kalkers theory(2), measurement, rail(2), wheel
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Updates
20 Sep 2011	I uploaded fig file to work m file better.
21 Sep 2011	I uploaded m and fig files together
05 Oct 2011	I fixed Kalker's theory part and added compare function to see how different two theories are.
08 Oct 2011	I updated it with improvement of Hertz theory (K4 value).
11 Oct 2011	updated units and dimension. revised bugs.
20 Nov 2012	improve errors and increase calculation speed.