Proper Generalized Decomposition method for incompressible flows in stream-vorticity formulation
DOI:
https://doi.org/10.13052/EJCM.19.591-617Keywords:
reduced order model, lid-driven cavity, separation of variablesAbstract
In this work, the Proper Generalized Decomposition (PGD) method will be considered in order to solve Navier-stokes equations with a stream-vorticity formulation by looking for the solution as a sum of tensor product functions. In the first stage, PGD will be applied to a model equation in order to test the capacity of the method to treat some timedependent problem. Then, we will solve the Navier-Stokes problem in the case of the liddriven cavity for different Reynolds numbers (Re = 100, 1000 and 10000). Finally, the PGD method will be compared to the standard resolution technique, both in terms of CPU time and accuracy.
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