[deal.II] How to use a numerical boundary condition in deal.II

Hello: I want to know how to use a numerical boundary condition in deal.II. For example, I want to solve a set of diffusion equations: \partial c_1 / \partial t = d_1 \partial c_1^2 / \partial x^2 \partial c_2 / \partial t = d_2 \partial c_2^2 / \partial x^2 on the one dimensional domain [0, L]. A

[deal.II] Re: How to get a vector graphic (like SVG) in dealii?

Hi Laryssa, Thanks for your reply. Yes, I use Paraview for postprocessing. However, apparently It does not support the Vector-graphic images in the recent versions. Bests, Masoud On Thursday 14 December 2023 at 19:08:26 UTC la.a...@gmail.com wrote: > Hey Masoud, > > You can open vtk and vtu

Re: [deal.II] Getting cmake errors compiling programs

Hi Luca, Have you had the chance to get the deal.ii-9.5.1 package working for macOS Sonoma & clang 15 on an Intel processor? I'm stuck installing deal.II using spack (see this other thread: https://groups.google.com/g/dealii/c/vT8LAmNtUQE), and using this pre-compiled package instead would be

Re: [deal.II] install problems with intel-tbb-2020.3 from spack

Hi Wolfgang, I've tried this approach, but get a compiler error when I run cmake on my code. I installed dealii-9.5.0-ventura-intel.dmg, which I downloaded from the deal.II website. I suppose the problem is that my macOS is Sonoma 14.2. I've read in this other thread ( https://groups.google.com/g/