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A doubly reduced approximation for the solution to PDEs based on a domain truncation and a reduced basis method: Application to Navier–Stokes equations
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DOI：10.1016/j.compfluid.2026.107199.png)
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Abstract
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In this paper, we further explore the non-intrusive reduced basis (NIRB) approach known as the two-grid method. This technique is designed to efficiently simulate parametric partial differential equations by significantly reducing the computational cost of high-fidelity models, especially in settings requiring solutions for many parameter values or real-time computations.
Keywords:
Reduced basis methods
Finite elements method
Domain truncation
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