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Welcome to the FreeFEM Community
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1
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4996
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March 1, 2020
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About solve matrix
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2
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3
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October 9, 2025
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Freefem++ installation error in Ubuntu 24.04
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12
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43
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October 9, 2025
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About mesh region and label
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2
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215
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October 9, 2025
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Syntax question
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3
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23
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October 8, 2025
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Rate fo convergence for fourth-order variational inequality
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0
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11
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October 8, 2025
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Evaluating Solution at Arbitrary Points
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4
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72
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October 7, 2025
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Load Error PETSc Complex (v4.14)
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4
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203
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October 6, 2025
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3D breast mesh from an image
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3
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41
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October 6, 2025
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3D Rotating Hill problem
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5
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26
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October 6, 2025
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Discontinuous fields
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4
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58
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October 3, 2025
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Navier Stokes with very small time steps
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1
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47
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October 3, 2025
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How to impose interface condition ∂u⁺/∂n = k ∂u⁻/∂n in FreeFem++
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3
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44
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October 3, 2025
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Dirichlet condition in 3D over a surface
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2
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25
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October 2, 2025
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Fracture network in FreeFEM
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0
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18
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September 30, 2025
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Saving Data from Electromagnetism Simulation with Nedelec Edge Elements
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2
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33
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September 29, 2025
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Compressible turbulent Navier–Stokes around a sphere (half-sphere, cylindrical coordinates) — strange field despite BCs implemented
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6
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64
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September 26, 2025
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Convolution in 1d
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3
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28
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September 23, 2025
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HMatrix/BEM in FreeFem++ on Mac: MPI error ‘Attempting to use an MPI routine before initializing or after finalizing MPICH'
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2
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28
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September 23, 2025
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Obtain the shape function and its derivative at each element
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3
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357
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September 20, 2025
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Variational form vs Matrix form do not give the same results
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2
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33
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September 19, 2025
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Solution for transient Navier Stokes
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1
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34
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September 19, 2025
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Composite finite element spaces with SLEPc
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11
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112
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September 18, 2025
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Resolvent operator with FF/PETSc (MatMatSolve?)
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24
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905
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September 15, 2025
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Question about dual- P1DCP_1^{DC} DG formulation in FreeFem++ documentation (nTonEdge logic & parameter al)
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5
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48
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September 15, 2025
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Nonlinear Parabolic Equation
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1
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44
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September 15, 2025
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Viscous term in NS
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1
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37
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September 15, 2025
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From FreeFem matrix to Petsc Mat, double size of memory usage?
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4
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41
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September 11, 2025
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Pointwise Dirichlet constraint using setBC is not suitable for a PETSc parallel environment?
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7
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46
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September 11, 2025
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Fascinating theoretical challenge: Simulating EM eigenmodes in a tetrahedron
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10
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91
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September 10, 2025
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