Changed the lower bound of the initial guess for the GTOW to facilita…

…te modeling turboprops under 100k lbf GTOW
crecine · Apr 3, 2024 · 4e9bc5e · 4e9bc5e
1 parent f79d73a
commit 4e9bc5e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/aviary/interface/methods_for_level2.py b/aviary/interface/methods_for_level2.py
@@ -1650,7 +1650,7 @@ def add_design_variables(self):
             optimize_mass = self.pre_mission_info.get('optimize_mass')
             if optimize_mass:
                 self.model.add_design_var(Mission.Design.GROSS_MASS, units='lbm',
-                                          lower=100.e3, upper=200.e3, ref=135.e3)
+                                          lower=100.e2, upper=200.e3, ref=135.e3)
 
         elif self.mission_method is TWO_DEGREES_OF_FREEDOM:
             if self.analysis_scheme is AnalysisScheme.COLLOCATION: