void FunctionDT::acceptStep() { removeOldKnots(); }
void FunctionDT::preExecute() { TimeStepper::preExecute(); removeOldKnots(); }
void FunctionDT::postStep() { removeOldKnots(); }
void FunctionDT::acceptStep() { removeOldKnots(); }
void FunctionDT::preExecute() { TimeStepper::preExecute(); removeOldKnots(); }
void FunctionDT::postStep() { removeOldKnots(); }