Heat Flow and Bottom Boundary Condition
From krc
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| − | By default, the interfaces sets a | + | By default, the interfaces sets a fixed bottom temperature: |
lbound = -1.//180. | lbound = -1.//180. | ||
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====Heat Flow==== | ====Heat Flow==== | ||
Revision as of 21:06, 9 April 2020
The bottom boundary condition is set by lbound and TDEEP.
Contents |
Note
By default, the interfaces sets a fixed bottom temperature:
lbound = -1.//180.
Heat Flow
A geothermal heat flux can be set using lbound alone, with the heat flux given in mW/m2:
lbound = 35.
sets a heat flux of 35 mW/m2.
Insulation
lbound = 0
insulates the bottom layer (no flux)
Set Bottom Temperature
The bottom temperature must be set first by TDEEP, then a flag is provided through lbound:
TDEEP = 180. #Bottom temperature set at 180.K lbound = -1//TDEEP
Set the Initial Temperature of all the Layers
TDEEP = 180. #Bottom temperature set at 180.K lbound = -2//TDEEP
All the layers are initially set at TDEEP, and the bottom layer is kept at TDEEP during the run.
