Revision: | 3635 |
Committed: | Thu Aug 12 20:12:04 2010 UTC (14 years, 8 months ago) by gezelter |
File size: | 389 byte(s) |
Log Message: | Import of working copy of Langevin Hull paper |
# | Content |
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1 | vert0 = {x0, y0, z0} |
2 | vert1 = {x1, y1, z1} |
3 | vert2 = {x2, y2, z2} |
4 | |
5 | centroid = (vert0 + vert1 + vert2) / 3 |
6 | |
7 | a = vert0 - vert1 |
8 | b = vert0 - vert2 |
9 | c = vert1 - vert2 |
10 | |
11 | s3 = Sqrt[Cross[a,b] . Cross[a,b]] / 2 |
12 | dr3 = centroid - vert0 |
13 | l3 = 1 / (dr3.dr3) |
14 | |
15 | G3 = (IdentityMatrix[3] + Outer[Times, dr3, dr3]*l3)*Sqrt[l3]*s3*8/(Pi*eta) |
16 | |
17 | Hmat = G3 |
18 | |
19 | |
20 | |
21 | |
22 | normal = Cross[a,b] |
23 | |
24 | nhat = normal / Sqrt[normal.normal] |