Demonstrate usage using alternative packages

[stefsmeets]

To show that nanomesh is generally applicable, create a notebook with a simple workflow using some other solver.

• [x] fenics
  • demo
  • Very difficult to compile, could not figure out how to create a mesh from points/cells
• [x] #259
  • SfePy docs
  • laplace fluid dynamics
  • diffusion cube
  • gallery
• [x] #264
  • getfem
  • examples
• [x] polyfem
  • Example notebook
  • Keeps crashing, can't get the example to work, documentation is limited
• [x] firedrake
  • example notebooks
  • Difficult to install, no Windows support
• [x] py-pde
  • Gallery
  • Looks great, but seems to be grids only
• [x] pyclaw
  • Unclear installation instructions, pip install fails, linux only
• [x] felupe
  • examples
  • Works well, limited support for triangle meshes
• [x] #262
  • scikit-fem
  • Examples

[stefsmeets]

Use data from #225 ?

[stefsmeets]

Installing Sfepy on Windows

1. Install C++ build tools (14) using VS build tools 2019

2. Clone sfepy
3. python setup.py build_ext --inplace
4. pip install -e .
5. Test install: ./run_tests.py