//Feta /= Amb; TODO verify if Wetting and drying and Lax Friedrichs !
Fut+=-unM*utM+c*(vR-vL)/2;// jump only if advection
}
/*
if (cache.interfaceGroup()->nConnection() == 2) {
int el0 = cache.interfaceGroup()->element(cache.interfaceId(i/cache.nPointByElement()),0).num();
int el1 = cache.interfaceGroup()->element(cache.interfaceId(i/cache.nPointByElement()),1).num();
if (el0 == 560 && el1 == 578)
printf("flux * H in 2d is %.16g eta is %.16g %.16g H (%.16g %.16g) is %.16g u is %.16g %.16g (%.16g)\n", Feta, solL(i,0), solR(i,0), H, hL, hR, uL/hMin*hL, uR/hMin*hR, uR);