# Hertzian contact theory on sin and cosine plane

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## Main Question or Discussion Point

Hello guys, im currently making simulation of 2 dimension rolling disk on elastic sin/cosine plane. Im just wondering if the theory applicable.

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What is a sin/cosine plane? We need a definition/description here before there can be a useful answer.

so sorry, i forgot to add the figure

something like this, but the cos surface is elastic and the disk is solid object.

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I cannot see any reason to doubt the applicability of Hertz' theory here.

BvU
its settled then ! thank you