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Browsing University of Hertfordshire by Author "Riehme, J."
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On the use of discrete adjoints in goal error estimation for shallow water equations
Rauser, F.; Riehme, J.; Leppkes, K.; Korn, P.; Naumann, U. (2010)Goal oriented dual weight error estimation has been used in context of computational fluid dynamics for several years. The adaptation of this method to geophysical models is the subject of this paper. A differentiation-enabled ... -
Structure-exploiting automatic differentiation of finite element discretizations
Stumm, P.; Walther, A.; Riehme, J.; Naumann, U. (2008)A common way to solve PDE constrained optimal control problems by automatic differentiation (AD) is the full black box approach. This technique may fail because of the large memory requirement. In this paper we present two ...