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How are 1st-order differential equations handled?
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4
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147
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September 8, 2026
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Newton divergence in 2D nonlinear Two-Temperature Model (TTM) FEM — dolfinx + complex PETSc
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2
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272
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July 19, 2026
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Computing derivative of residual vector w.r.t material parameter for finite element model updating
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7
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334
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July 4, 2026
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How to improve accuracy of enforced integral constraints involving derivatives
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4
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190
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January 8, 2026
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Space-Time weak formulation
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4
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174
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January 6, 2026
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Pathological Asymmetry in Projected Function
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2
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91
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November 26, 2025
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Implementing Gradient Descent in FEniCS
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8
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486
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October 29, 2025
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dolfinX : How to calculate a gradient/derivative and get it as a numpy.array?
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2
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146
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July 11, 2025
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Compute reaction forces for a dynamic case
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0
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110
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June 23, 2025
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Coupling 2D FEM transient EM model with 0D circuit equation in DOLFINx
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7
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384
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June 20, 2025
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First order derivatives in non-linear problem
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0
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61
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June 11, 2025
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Solve linear systems in iterative algorithm - Higher order elements
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0
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50
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April 29, 2025
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Module petsc4py not found on Anaconda
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1
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281
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March 26, 2025
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Mixed form Poisson with in-homogeneous conductivity
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2
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99
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March 18, 2025
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Understanding and Implementing a Tangential Boundary Condition in Finite Element Methods
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4
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273
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February 6, 2025
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Solving a system of coupled PDEs with different dimensions
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2
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238
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January 3, 2025
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Elementwise multiplication in variational form / Hadamard product
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1
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114
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September 9, 2024
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Got unexpected negative values when solving the convection-diffusion PDE
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7
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237
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September 6, 2024
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The problem of equation coefficients being functions of the previous time step
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3
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158
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June 22, 2024
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Reducing equation system by manipulating matrices
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1
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138
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June 17, 2024
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Hyperelastic deformation with applied pressue on internal surface
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6
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463
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May 23, 2024
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Problem with solving Stokes with RT1-DG0?
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0
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116
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May 15, 2024
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Behaviour of 1D discontinuous Galerkin with LF flux for Burgers' eq
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3
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443
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February 19, 2024
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How to debug the PETSC ERROR?
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3
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752
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January 25, 2024
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