# Difference between revisions of "Blatter-Pattyn Boundary Conditions"

From Interactive System for Ice sheet Simulation

(New page: Boundary conditions + masking, one sided differences, basal BC (no-slip, viscous, and plastic behavior all through Beta^2 implementation) TO DO: add links from previous pages discussing...) |
|||

Line 1: | Line 1: | ||

− | |||

Boundary conditions + masking, one sided differences, basal BC (no-slip, viscous, and plastic behavior all through Beta^2 implementation) | Boundary conditions + masking, one sided differences, basal BC (no-slip, viscous, and plastic behavior all through Beta^2 implementation) | ||

TO DO: add links from previous pages discussing BP equations and BP numerical solution | TO DO: add links from previous pages discussing BP equations and BP numerical solution | ||

+ | |||

+ | |||

+ | Sliding over a plastic bed ... | ||

+ | |||

+ | <math>\begin{align} | ||

+ | & x:\quad \left[ 2\tau _{xx}\left( b \right)+\tau _{yy}\left( b \right) \right]\frac{\partial b}{\partial x}+\tau _{xy}\left( b \right)\frac{\partial b}{\partial y}-\tau _{xz}\left( b \right)=-\tau _{bx} \\ | ||

+ | & \quad \quad \quad \quad \quad \quad \quad \quad \quad \tau _{bx}\approx \tau _{0} \\ | ||

+ | & x:\quad \quad \quad \quad \quad \quad \quad ...\quad \quad \quad \quad =-\tau _{0}\left( \frac{u}{\left| \mathbf{u} \right|} \right) \\ | ||

+ | & x:\quad \quad \quad \quad \quad \quad \quad ...\quad \quad \quad \quad =-\tau _{0}\left( \frac{u}{\sqrt{u_{0}^{2}+v_{0}^{2}+\gamma }} \right) \\ | ||

+ | \end{align}</math> | ||

+ | |||

+ | Add some figures here showing the results for simple ice stream setup ... | ||

+ | |||

+ | [[Image:Example.jpg]] | ||

+ | |||

+ | [[Image:Example.jpg]] |

## Revision as of 23:36, 30 July 2009

Boundary conditions + masking, one sided differences, basal BC (no-slip, viscous, and plastic behavior all through Beta^2 implementation)

TO DO: add links from previous pages discussing BP equations and BP numerical solution

Sliding over a plastic bed ...

Add some figures here showing the results for simple ice stream setup ...