oblate spheroid


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oblate spheroid

[′ä‚blāt ′sfir‚ȯid]
(mathematics)
The surface or ellipsoid generated by rotating an ellipse about one of its axes so that the diameter of its equatorial circle exceeds the length of the axis of revolution. Also known as oblate ellipsoid.
References in periodicals archive ?
Since one semiaxis can be recovered from central section, we condition on the knowledge of its length and we are interested in the other semiaxis length, that is, A for prolate spheroids, C for oblate spheroids and D for profiles.
Similar result holds for the population of oblate spheroids.
n] be independent and identically distributed oblate spheroids with isotropic orientation.
When considering oblate spheroids, the situation is reversed compared to the prolate case.
0] is the uniform density of the oblate spheroid and a is a constant parameter.
The gravitational scalar potential interior to a homogeneous oblate spheroid is well known [14] to be given as
2] (where c is the speed of light in vacuum) can be constructed in gravitational fields interior and exterior to static homogeneous oblate spheroids placed in empty space.
The gravitational scalar potential exterior to a homogeneous static oblate spheroid [1] is given as
In approximate oblate spheroidal gravitational fields, the arbitrary function f([eta], [xi]) can be conveniently equated to the gravitational scalar potential exterior to an oblate spheroid [7].