diff --git a/dune/tectonic/globalruinanonlinearity.hh b/dune/tectonic/globalruinanonlinearity.hh index 6bef784ccdacc2d9870d6124d358924b637c7891..a4fb93042e9406a7d03f58bda810b8379d44f103 100644 --- a/dune/tectonic/globalruinanonlinearity.hh +++ b/dune/tectonic/globalruinanonlinearity.hh @@ -29,9 +29,12 @@ class GlobalRuinaNonlinearity : public Dune::GlobalNonlinearity<dim> { Return a restriction of the outer function to the i'th node. */ virtual Dune::NiceFunction *restriction(int i) const { - return new Dune::RuinaFunction(nodalIntegrals[i][0], a[i], - coefficientOfFriction[i], eta[i], - normalStress[i]); + if (nodalIntegrals[i][0] == 0) + return new Dune::TrivialFunction(); + else + return new Dune::RuinaFunction(nodalIntegrals[i][0], a[i], + coefficientOfFriction[i], eta[i], + normalStress[i]); } private: