HalfEllipsoid:
--------------------------------------------------------------------------
Compute volume, surf area, centroid and specific MOI of half-ellipsoid
--------------------------------------------------------------------------
Form:
[V,S,cSld,cShl,inrSld,inrShl] = HalfEllipsoid( a, b );
--------------------------------------------------------------------------
------
Inputs
------
a (1) Length along axis of rotation
b (2) Radius at max cross-section
Note: a==b is a hemisphere
-------
Outputs
-------
V (1) Volume
S (1) Surface Area
cSld (1) Centroid of solid
cShl (1) Centroid of shell
inrSld (1) Specific inertia of solid, multiply by density for I
inrShl (1) Specific inertia of shell, multiply by density for I
--------------------------------------------------------------------------