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Is it possible to set PCD preconditioner within schurPreconditioner
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3
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30
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February 27, 2026
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Integration on a part of the boundary
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2
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23
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February 27, 2026
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Trouble defining region id numbers on a 3D mesh
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2
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27
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February 25, 2026
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Phase shifted periodic BC
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3
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31
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February 23, 2026
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Why mass lumping fails in 3d?
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6
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59
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February 12, 2026
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On the precision issue of converting “real-type data to strings
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0
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27
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February 5, 2026
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A question about Pure Convection solved by Discontinuous-Galerkin FEM
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1
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33
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February 4, 2026
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White spots in the plot
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0
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26
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February 2, 2026
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Radial Return Mapping Algorithm for Plasticity
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3
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74
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February 2, 2026
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Adapting the mAL preconditioner to stokes-fieldsplit-2d
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3
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201
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January 29, 2026
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Solver for unsteady N-S equation
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33
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612
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January 29, 2026
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Periodic Neumann Boundary Conditions (2D Channel)
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6
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730
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January 29, 2026
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Product of two integrals on a boundary
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0
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24
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January 28, 2026
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Multiplying two integral on FE
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2
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438
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January 28, 2026
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Very weak solution
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5
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80
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January 28, 2026
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Error reading Gmsh mesh in FreeFem++
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5
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533
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January 28, 2026
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Is --oversubscribe a default when run ff-mpirun
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1
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26
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January 27, 2026
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Basic question about 'convect'
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2
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26
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January 27, 2026
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Error with matrix addition in PETSc
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6
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34
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January 26, 2026
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FALLBACK (log once): Fallback to SW vertex for line stipple
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1
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34
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January 25, 2026
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Wrong with the PETSc
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3
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46
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January 21, 2026
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How to implement the function like the "adj" function or how to find its source code
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2
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39
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January 14, 2026
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Is it possible to modify the elements in the PETSc matrix in parallel computation
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3
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44
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January 13, 2026
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Distance function (Topology Optimization)
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0
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32
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January 12, 2026
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Neumann BC and P1, P2 FE
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2
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67
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January 12, 2026
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schurPreconditioner & schurList
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14
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103
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January 7, 2026
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Regions creation issue + using regions question
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5
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94
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January 6, 2026
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Command for third order derivative
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3
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83
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December 29, 2025
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Equivalent of emptymesh in 3D
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0
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27
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December 28, 2025
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Error on https://doc.freefem.org/documentation/finite-element.html
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1
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37
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December 23, 2025
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