Variational formulation of the geodetic boundary value problem |
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Authors: | S M Nakiboglu |
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Institution: | (1) Department of Surveying, University of Queensland, 4067 St. Lucia, QLD., Australia |
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Abstract: | A variational principle for the Stokesian boundary value problem is derived using the Euler-Lagrange theory. The resulting
variational principle is then transformed into an equation determining the semi-major axis of the best fitting ellipsoid which
fulfills the conditionU
0
=W
0
.
The computations using three different geopotential models yields the semi-major axis of the earth ellipsoid asa=6378145.4 metres for the flatteningf=1/298.2564. The corresponding equatorial gravity and the geopotential number are computed as γa=978029.59 mgals andU
0=W
0=6.26367371 106 kgalmeters respectively. |
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Keywords: | |
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