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Circle Packing Approach to Modeling van der Waals Forces

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Introduction<br />

�Van <strong>der</strong> <strong>Waals</strong> (vdW).<br />

�Closed form solutions of vdW interactions between<br />

different geometries are ideal and limited.<br />

D<br />

y<br />

z<br />

x<br />

Ad<br />

Fvdw = 2<br />

12z<br />

[1]<br />

Figure I. Van <strong>der</strong> <strong>Waals</strong> force interaction between a sphere and a flat plane, and a cylin<strong>der</strong> and a flat plate.<br />

A is the Hamaker constant. *www.clarkson.edu/projects/fluidflow/courses/me537/5_<strong>van</strong><strong>der</strong><strong>Waals</strong>.pdf<br />

D<br />

y<br />

z x<br />

Fvdw =<br />

lenght<br />

1<br />

2<br />

Ad<br />

16z<br />

2<br />

*

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