On the convergence of the modified elastic-viscous-plastic method for solving the sea ice momentum equation
作者： Madlen Kimmritz , Sergey Danilov , Martin Losch
DOI: 10.1016/J.JCP.2015.04.051
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摘要: Most dynamic sea ice models for climate type simulations are based on the viscous-plastic (VP) rheology. The resulting stiff system of partial differential equations velocity is either solved implicitly at great computational cost, or explicitly with added pseudo-elasticity (elastic-viscous-plastic, EVP). A recent modification EVP approach seeks to improve convergence method by re-interpreting it as a pseudotime VP solver. question this modified revisited here and shown that reached provided stability requirements satisfied number iterations sufficiently high. Only in limit, solvers converge same solution. Related questions impact mesh resolution incomplete also addressed.
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