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Higher Accuracy Modular Data Assimilation for the Navier-Stokes Equations
This paper develops an accurate and effective combination of second order backward differentiation time discretization (BDF2) with modular, 2-step nudging-based data assimilation \begin{align} \text{Forecast step: } \quad &\frac{3\widetilde{v}^{n+2}-4v^{n+1}+v^n}{2Δt}+\widetilde{v}^{n+2} \cdot \nabl
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