Calibration and validation surface tension

[svchb]

Based on #434

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 2.70270% with 36 lines in your changes missing coverage. Please review.

Project coverage is 68.32%. Comparing base (98e58f9) to head (0d5220b). Report is 46 commits behind head on main.

Files	Patch %	Lines
src/schemes/fluid/surface_normal_sph.jl	0.00%	26 Missing :warning:
...rc/schemes/fluid/weakly_compressible_sph/system.jl	14.28%	6 Missing :warning:
src/schemes/fluid/surface_tension.jl	0.00%	2 Missing :warning:
src/visualization/write2vtk.jl	0.00%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #523      +/-   ##
==========================================
- Coverage   68.62%   68.32%   -0.30%     
==========================================
  Files          70       71       +1     
  Lines        4060     4079      +19     
==========================================
+ Hits         2786     2787       +1     
- Misses       1274     1292      +18     

Flag	Coverage Δ
unit	68.32% <2.70%> (-0.30%)	:arrow_down:

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[svchb]

super seeded by #584