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solvers:flotation [2017/11/16 12:47] fgillet created |
solvers:flotation [2017/11/16 16:00] (current) fgillet [Examples] |
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* **Solver Fortran File:** '' | * **Solver Fortran File:** '' | ||
* **Solver Name:** '' | * **Solver Name:** '' | ||
- | * **Required Output Variable(s): | + | * **Required Output Variable(s): |
- | ** '' | + | |
* **Required Input Variable(s): | * **Required Input Variable(s): | ||
- | * **Optional Output Variable(s): | + | * **Optional Output Variable(s): |
- | ** '' | + | |
- | ** '' | + | |
- | ** '' | + | |
* **Optional Input Variable(s): | * **Optional Input Variable(s): | ||
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The aim of this solver is to apply the flotation criterion to compute the top and bottom surface elevation, knowing the ice thickness. | The aim of this solver is to apply the flotation criterion to compute the top and bottom surface elevation, knowing the ice thickness. | ||
In general it will be used with the [[solvers: | In general it will be used with the [[solvers: | ||
- | + | ||
+ | The bottom surface elevation <m> z_b </m> is computed as: | ||
+ | |||
+ | <m> | ||
+ | z_b=z_sea - H rho_i / rho_w | ||
+ | </m> | ||
+ | where <m> H </m> is the ice thickness, <m> z_sea </m> is the (sea) water level elevation, <m> rho_i </m> is the mean ice density and <m> rho_w </m> is the (sea) water density. | ||
+ | |||
+ | * If the //bedrock// variable is present, <m> z_b=max(z_b, | ||
+ | * If the // | ||
+ | * < | ||
+ | * < | ||
+ | * < | ||
+ | |||
+ | The top surface elevation <m> z_s </m> is then simply given as <m> z_s = z_b + H </ | ||
+ | |||
+ | If the variable DZbDt and/or DZsDt are present then the elevation change is given as <m> dz/ | ||
+ | |||
+ | |||
+ | ==== SIF contents ==== | ||
+ | < | ||
+ | |||
+ | Constants | ||
+ | Sea level = Real .... !z_sea | ||
+ | Water Density = Real ... !rho_w | ||
+ | End | ||
+ | |||
+ | |||
+ | </ | ||
+ | |||
+ | < | ||
+ | |||
+ | Material 1 | ||
+ | SSA Mean Density = Real ... !rho_i | ||
+ | End | ||
+ | |||
+ | |||
+ | </ | ||
+ | |||
+ | < | ||
+ | Solver 3 | ||
+ | | ||
+ | | ||
+ | | ||
+ | |||
+ | | ||
+ | | ||
+ | | ||
+ | End | ||
+ | |||
+ | </ | ||
+ | |||
+ | |||
+ | ==== Examples ==== | ||
+ | For examples look in your elmer source distribution under \\ '' |