wg:geodynamo:wish_list
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| - | ====== Geo/Planetary Dynamo Model Wish List ====== | ||
| - | __Must Haves__ | ||
| - | |||
| - | - **As realistic parameter values as possible** | ||
| - | - Boundary conditions: | ||
| - | - Temperature: Dirichlet, Neumann or Robin conditions at either boundary | ||
| - | - Tangential Velocity: No slip or viscous stress-free or drag laws, e.g. general Rayleigh friction, Ekman friction | ||
| - | - Magnetic Field: Finitely or perfectly conducting or insulating at both boundaries, CMB: specify conductance of layer instead of conductivity for a weakly conducting layer | ||
| - | - Radial velocity: impermeable, drag laws, prescribable | ||
| - | - Initial Conditions on B,v,T: | ||
| - | - present day B field | ||
| - | - weak or strong B field | ||
| - | - benchmark case | ||
| - | - dipolar or multipolar B field | ||
| - | - gravity fields? | ||
| - | - ability to change resolution in initial file | ||
| - | - Geometry: | ||
| - | - Prescription of inner core size, including no inner core | ||
| - | - Topography on boundaries using small slope approximation | ||
| - | - External Influences: | ||
| - | - Mantle thermal heterogeneities as a thermal boundary condition | ||
| - | - External magnetic field sources | ||
| - | - Driving Mechanisms: | ||
| - | - Internal heating | ||
| - | - Compositional driving independent of thermal driving | ||
| - | - Stratification: | ||
| - | - Allowing radial stratification through background temperature profiles (i.e. fake heat sources in Boussinesq models) | ||
| - | - Prescribed radial variations of internal heat sources, secular cooling, and compositional change (note: this is a generalization of item 5a). | ||
| - | - Temperature/pressure dependent physical parameters | ||
| - | - Different equations of state | ||
| - | - Radial variations (e.g. density, conductivity, viscosity…) | ||
| - | - Freely Rotating Inner core that can respond to torques from: | ||
| - | - Inner-core / Mantle gravitational coupling | ||
| - | - EM torques | ||
| - | - Viscous torques | ||
| - | - Explicit treatment of Coriolis force | ||
| - | |||
| - | |||
| - | __"Easy" Additions__ | ||
| - | |||
| - | - Driving Mechanisms: | ||
| - | - Precession, Tides, Mechanical torques | ||
| - | - Stratification: | ||
| - | - Internal interfaces through continuity conditions | ||
| - | - Implicit treatment of Coriolis force | ||
| - | - Subgrid-scale turbulence | ||
| - | - Gravity field solver (including mantle density anomalies) | ||
| - | - Radiative regions in gas giant atmospheres | ||
| - | |||
| - | __Dream of having__ | ||
| - | |||
| - | - **Even more realistic parameter values than currently possible** | ||
| - | - Real geochemistry in the core | ||
| - | - snow zones | ||
| - | - helium rain | ||
| - | - other odd features due to chemistry in multi-component fluids | ||
| - | - geochemical reactions with the mantle at the CMB | ||
| - | - solid/fluid mixtures | ||
| - | - Inner core physics | ||
| - | - convection in the inner core | ||
| - | - inner core translation | ||
| - | - phase equilibrium at inner core boundary | ||
| - | - inner core ellipticity – respond to gravitational torques in mantle | ||
| - | - Real geochemistry in the core | ||
| - | - snow zones | ||
| - | - helium rain | ||
| - | - other odd features due to chemistry in multi-component fluids | ||
| - | - Mushy layer physics at ICB | ||
| - | - Solid/fluid mixtures | ||
| - | - Boundary conditions: | ||
| - | - tangential velocity field: magnetoviscous friction | ||
| - | - radial velocity: permeable | ||
| - | - time-varying inner core radius | ||
| - | - Laterally variable temperature/pressure dependent physical parameters (e.g relating conductivity directly to temperature in Hot Jupiter atmospheres) | ||
wg/geodynamo/wish_list.1399906272.txt.gz · Last modified: 2014/05/12 14:51 by stanley
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