rename minTau to minRelativeTau

src/foam/foam.cc

@@ -513,7 +513,7 @@ int main(int argc, char *argv[]) {
         stepBase(parset, contactNetwork, totalDirichletNodes, globalFriction, frictionNodes,
                  externalForces, stateEnergyNorms);
 
-    const auto minTau = parset.get<double>("timeSteps.minTau");
+    const auto minTau = parset.get<double>("timeSteps.minRelativeTau");
     AdaptiveTimeStepper<NonlinearFactory, std::decay_t<decltype(contactNetwork)>, Updaters, std::decay_t<decltype(stateEnergyNorms)>>
         timeStepper(stepBase, contactNetwork, current,
                             programState.relativeTime, programState.relativeTau, minTau,