Can you help me? Does anyone have a FEM code for Singular perturbation problems in 1D?
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Precise Simulation on 15 Jun 2020
Edited: Precise Simulation on 15 Jun 2020
Although the PDE Toolbox only currently supports 2D and 3D geometries, you should be able to "simulate" a 1D geometry by using a thin "pseudo" 2D rectangular geometry with no variation in the y-directions, and homogenous boundary conditions at the y-boundaries. Alternatively, the FEATool Multiphysics toolbox fully supports defining and solving custom 1D PDEs directly.