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Author

Lambert Theisen

2 papers indexed here

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Preprint Sep 2026

Energy-minimizing domain decomposition

We propose a novel domain decomposition framework based on energy minimization, applicable to a wide class of linear and nonlinear partial differential equations. This energy-minimizing domain decomposition (EMDD) method addresses problems whose solutions are minimizers of an energy functional, either unconstrained or...

M. Hassan, Benjamin Stamm, Lambert Theisen · 0 citations
Oct 2026

Flow physics of Prandtl–rheology coupling in non-Newtonian natural convection and entropy generation within a cylindrical annulus

Buoyancy-driven flow of non-Newtonian fluids in annular geometries is relevant to a range of thermal engineering applications. However, the jointly effects of fluid rheology and the Prandtl number on heat transfer and thermodynamic irreversibility in this geometry are still not well characterized. We address this gap t...

Seetu Rana, Satyvir Singh, Lambert Theisen et al. · 0 citations

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