Subsurface stresses elliptical contact area
Subsurface stresses elliptical contact area
(OP)
Dear Forum,
I am trying to calculate the different subsurface stresses over the depth for an elliptical contact area. I have formulas for a line contact and a point contact on a flat surface, but not the formulas for an elliptical contact, which should be the ones in a ball bearing. Can anybody provide the required formulas to calculate the required sigmas and/or tau for an elliptical contact?
Many thanks in advance for you help.
Regards,
Arnold
I am trying to calculate the different subsurface stresses over the depth for an elliptical contact area. I have formulas for a line contact and a point contact on a flat surface, but not the formulas for an elliptical contact, which should be the ones in a ball bearing. Can anybody provide the required formulas to calculate the required sigmas and/or tau for an elliptical contact?
Many thanks in advance for you help.
Regards,
Arnold





RE: Subsurface stresses elliptical contact area
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RE: Subsurface stresses elliptical contact area
The issue you will have to calculate the subsurface stress, is the ability to calculate incomplete elliptical integrals of the first and second kind.
The best treatise of its kind, is in AB Jones book (published in the '40s and out of print). If you are interested I can upload a PDF file with the section you will need.
RE: Subsurface stresses elliptical contact area
first of all, thanks for your help and the great links.
volpegrigia: if you could upload a pdf of the needed section this would be great (not only for me, I guess.
Many thanks in advance.
Regards,
Arnold
RE: Subsurface stresses elliptical contact area