// recirculating flow with junction import MFAX; MFAX recirc { Time t; Chem A; Compartment r1, r2; FlowJunc j1, j2; FlowSource f1(j2, j1); Inject inj(f1, A); Flow f2(j1, r1); Flow f3(j1, r2); Flow f4(r1, j2); Flow f5(r2, j2); FlowSink f6(j2); t.min = 0; t.max = 10; t.delta = 0.1; r1.vol = 0.5; r2.vol = 0.2; f1.flow = 0.7; extern inj.flux; }