Journal of Physics Research
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Findings from University of Milan advance knowledge in geophysics
March 31st, 2009
"Within the normal mode relaxation theory, we thoroughly analyze and compare the exact compressible and incompressible solution for a viscoelastic stratified Earth model with an approximated analytical one, where the ratio between gravity and radial distance from the Earth's centre is considered constant in each layer of the model. We implement an algorithm, based on the Runge-Kutta scheme, to integrate in the r variable the spheroidal part of the linearized momentum and Poisson equations," investigators in Milan, Italy report.
"This numerical scheme allows us to unravel the impact of such an approximation. We disclose new aspects of the physics underneath the terms...
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Source: Journal of Physics Research (2009-03-31)