Circle Packing Approach to Modeling van der Waals Forces
Circle Packing Approach to Modeling van der Waals Forces
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 />
*