https://github.com/trixi-framework/TrixiParticles.jl/blob/2277802725569a119af05d12f00a95990612bc12/src/schemes/fluid/surface_tension.jl#L181 `smoothing_kernel` is not defined in this function, which means it is broken and untested.
TrixiParticles.jl/src/schemes/fluid/surface_tension.jl
Line 181 in 2277802
smoothing_kernelis not defined in this function, which means it is broken and untested.