[samples] Update file IO

samples/cxx/flamespeed/flamespeed.cpp

@@ -17,7 +17,6 @@
 #include "cantera/onedim.h"
 #include "cantera/oneD/DomainFactory.h"
 #include "cantera/base/stringUtils.h"
-#include <fstream>
 
 using namespace Cantera;
 using fmt::print;
@@ -125,10 +124,7 @@ int flamespeed(double phi, bool refine_grid, int loglevel)
         } else {
             fileName = "flamespeed.yaml";
         }
-        if (std::ifstream(fileName).good()) {
-            std::remove(fileName.c_str());
-        }
-        flame.save(fileName, "initial-guess", "Initial guess", 0);
+        flame.save(fileName, "initial-guess", "Initial guess", true);
 
         // Solve freely propagating flame
 
@@ -141,18 +137,16 @@ int flamespeed(double phi, bool refine_grid, int loglevel)
         flame.solve(loglevel,refine_grid);
         double flameSpeed_mix = flame.value(flowdomain,
                                             flow->componentIndex("velocity"),0);
-        print("Flame speed with mixture-averaged transport: {} m/s\n",
-              flameSpeed_mix);
-        flame.save(fileName, "mix", "Solution with mixture-averaged transport", 0);
+        print("Flame speed with mixture-averaged transport: {} m/s\n", flameSpeed_mix);
+        flame.save(fileName, "mix", "Solution with mixture-averaged transport", true);
 
         // now switch to multicomponent transport
         flow->setTransportModel("multicomponent");
         flame.solve(loglevel, refine_grid);
         double flameSpeed_multi = flame.value(flowdomain,
                                               flow->componentIndex("velocity"),0);
-        print("Flame speed with multicomponent transport: {} m/s\n",
-              flameSpeed_multi);
-        flame.save(fileName, "multi", "Solution with multicomponent transport", 0);
+        print("Flame speed with multicomponent transport: {} m/s\n", flameSpeed_multi);
+        flame.save(fileName, "multi", "Solution with multicomponent transport", true);
 
         // now enable Soret diffusion
         flow->enableSoret(true);
@@ -162,7 +156,7 @@ int flamespeed(double phi, bool refine_grid, int loglevel)
         print("Flame speed with multicomponent transport + Soret: {} m/s\n",
               flameSpeed_full);
         flame.save(fileName, "soret",
-            "Solution with mixture-averaged transport and Soret", 0);
+                   "Solution with mixture-averaged transport and Soret", true);
 
         vector_fp zvec,Tvec,COvec,CO2vec,Uvec;
 

samples/python/onedim/diffusion_flame_batch.py

@@ -137,12 +137,12 @@ def names(test):
         # Try solving the flame
         f.solve(loglevel=0)
         file_name, entry = names(f"pressure-loop/{p:05.1f}")
-        f.save(file_name, name=entry, loglevel=1, description=f"pressure = {p} bar")
+        f.save(file_name, name=entry, description=f"pressure = {p} bar")
         p_previous = p
     except ct.CanteraError as e:
         print('Error occurred while solving:', e, 'Try next pressure level')
         # If solution failed: Restore the last successful solution and continue
-        f.restore(file_name, name=entry, loglevel=0)
+        f.restore(file_name, name=entry)
 
 
 # PART 3: STRAIN RATE LOOP
@@ -162,7 +162,7 @@ def names(test):
 
 # Restore initial solution
 file_name, entry = names("initial-solution")
-f.restore(file_name, name=entry, loglevel=0)
+f.restore(file_name, name=entry)
 
 # Counter to identify the loop
 n = 0
@@ -188,7 +188,7 @@ def names(test):
         # Try solving the flame
         f.solve(loglevel=0)
         file_name, entry = names(f"strain-loop/{n:02d}")
-        f.save(file_name, name=entry, loglevel=1,
+        f.save(file_name, name=entry,
                description=f"strain rate iteration {n}")
     except FlameExtinguished:
         print('Flame extinguished')
@@ -234,7 +234,7 @@ def names(test):
 n_selected = range(1, n, 5)
 for n in n_selected:
     file_name, entry = names(f"strain-loop/{n:02d}")
-    f.restore(file_name, name=entry, loglevel=0)
+    f.restore(file_name, name=entry)
     a_max = f.strain_rate('max')  # the maximum axial strain rate
 
     # Plot the temperature profiles for the strain rate loop (selected)

samples/python/onedim/diffusion_flame_extinction.py

@@ -165,13 +165,13 @@ def names(test):
 
         # Restore last burning solution
         file_name, entry = names(f"extinction/{n_last_burning:04d}")
-        f.restore(file_name, entry, loglevel=0)
+        f.restore(file_name, entry)
 
 
 # Print some parameters at the extinction point, after restoring the last burning
 # solution
 file_name, entry = names(f"extinction/{n_last_burning:04d}")
-f.restore(file_name, entry, loglevel=0)
+f.restore(file_name, entry)
 
 print('----------------------------------------------------------------------')
 print('Parameters at the extinction point:')

samples/python/onedim/flame_initial_guess.py

@@ -76,14 +76,14 @@ def describe(flame):
 print("Restore solution from YAML")
 gas.TPX = Tin, p, reactants
 f2 = ct.FreeFlame(gas, width=width)
-f2.restore(yaml_filepath, name="solution", loglevel=0)
+f2.restore(yaml_filepath, name="solution")
 describe(f2)
 
 if hdf_filepath:
     print("Restore solution from HDF")
     gas.TPX = Tin, p, reactants
     f2 = ct.FreeFlame(gas, width=width)
-    f2.restore(hdf_filepath, name="freeflame", loglevel=0)
+    f2.restore(hdf_filepath, name="freeflame")
     describe(f2)
 
 # Restore the flame via initial guess