[ODE] Approximate Hydrodynamic Forces

[David Whittaker]

I'll put together a test app and see what I can figure out next time I get
a chance to sit down and do some coding.  But that may be this weekend the
way work has been going lately.

David

>
> Hi David,
>
> Have you had any further thoughts about the problem?
>
> Sorry to bother you about it but I am making know headway.
>
> Cheers,
>
> Ander
>
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