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Results and video — recent Nature article.
Mantle depth of 3000 km ~0.5 Earth's radius. Circumference 40,000 km.
Solid. Flow by slow fiscous creep. v~cm/year.
Re~10-20 & 1023 momentum neglible. Infinite Prandtl number approximation.
Ra ~107 features ~100 km wide Need ~25km grid spacing 60 million grid points!
Viscosity strongly T-dependent. ~10x per 100K. Surface 'plates.'
Also non-linear, i.e., strain rate stress3
and it wouldn't surprise me if "fiscous" were a typo for "viscous".
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inselpeter 09/29/2001 12:37 PM wwh 09/29/2001 1:31 PM tsuwm 09/29/2001 2:29 PM wwh 09/29/2001 4:02 PM tsuwm 09/29/2001 4:44 PM wwh 09/29/2001 5:18 PM inselpeter 09/29/2001 7:45 PM Bingley 09/30/2001 5:26 AM Jackie 09/30/2001 11:31 AM inselpeter 09/30/2001 11:54 AM wwh 09/30/2001 12:50 PM inselpeter 09/30/2001 1:31 PM wwh 09/30/2001 1:53 PM inselpeter 09/30/2001 2:11 PM belMarduk 09/30/2001 8:44 PM tsuwm 10/01/2001 3:15 AM inselpeter 10/01/2001 8:29 AM
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