From ecc3c5557d69cde4f016b701e6e20664378e2993 Mon Sep 17 00:00:00 2001
From: Tor Harald Sandve <tosa@norceresearch.no>
Date: Wed, 22 Jan 2025 10:28:02 +0100
Subject: [PATCH] Dont reset subtimestep from tuning/wcycle if time step is
 chopped due to convergence issues

---
 opm/simulators/timestepping/AdaptiveTimeStepping_impl.hpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/opm/simulators/timestepping/AdaptiveTimeStepping_impl.hpp b/opm/simulators/timestepping/AdaptiveTimeStepping_impl.hpp
index 4e113fe5e..7364ec93c 100644
--- a/opm/simulators/timestepping/AdaptiveTimeStepping_impl.hpp
+++ b/opm/simulators/timestepping/AdaptiveTimeStepping_impl.hpp
@@ -749,7 +749,11 @@ run()
 
     // sub step time loop
     while (!this->substep_timer_.done()) {
-        maybeUpdateTuningAndTimeStep_();
+        // if we just chopped the timestep due to convergence i.e. restarts>0
+        // we dont what to update the next timestep based on Tuning
+        if (restarts == 0) {
+            maybeUpdateTuningAndTimeStep_();
+        }
         const double dt = this->substep_timer_.currentStepLength();
         if (timeStepVerbose_()) {
             detail::logTimer(this->substep_timer_);