discrete adjoint fix for heat with mesh deformation

Author: pcarruscag

SU2_CFD/src/drivers/CDiscAdjMultizoneDriver.cpp

@@ -864,10 +864,10 @@ void CDiscAdjMultizoneDriver::ComputeAdjoints(unsigned short iZone, bool eval_tr
   AD::ComputeAdjoint(enter_izone, leave_izone);
 
   /*--- Compute adjoints of transfer and mesh deformation routines, only stricktly needed
-   *    on the last inner iteration, so if for this zone this section is expensive
-   *    (due to mesh deformation) we delay its evaluation. ---*/
+   *    on the last inner iteration. Structural problems have some minor issue and we
+   *    need to evaluate this section on every iteration. ---*/
 
-  if (eval_transfer || !Has_Deformation(iZone))
+  if (eval_transfer || config_container[iZone]->GetStructuralProblem())
     AD::ComputeAdjoint(TRANSFER, OBJECTIVE_FUNCTION);
 
   /*--- Adjoints of dependencies, needed if derivatives of variables
@@ -915,7 +915,7 @@ void CDiscAdjMultizoneDriver::HandleDataTransfer() {
     /*--- Transfer from all the remaining zones ---*/
     for (unsigned short jZone = 0; jZone < nZone; jZone++){
       /*--- The target zone is iZone ---*/
-      if (jZone != iZone && interface_container[iZone][jZone] != nullptr) {
+      if (jZone != iZone && interface_container[jZone][iZone] != nullptr) {
         DeformMesh = DeformMesh || Transfer_Data(jZone, iZone);
       }
     }