[impes] Fix pressure volVars update

4b774a52 · Martin Schneider · cb8b5fe4 · 4b774a52
Commit 4b774a52 authored Oct 04, 2018 by Martin Schneider
--- a/dumux/porousmediumflow/2p/sequential/pressure/volumevariables.hh
+++ b/dumux/porousmediumflow/2p/sequential/pressure/volumevariables.hh
@@ -174,7 +174,7 @@ public:
        fluidState.setSaturation(wPhaseIdx, sw_);
        fluidState.setSaturation(nPhaseIdx, 1 - sw_);
        pc_ = MaterialLaw::pc(materialParams, fluidState.saturation(wPhaseIdx));
-        fluidState.setPressure(nPhaseIdx, pw - pc_);
+        fluidState.setPressure(nPhaseIdx, pw + pc_);


        typename FluidSystem::ParameterCache paramCache;