[Input/Examples] Update Python examples to demonstrate YAML output

Cantera · Apr 12, 2021 · 42d5923 · 42d5923
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commit 42d5923
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/interfaces/cython/cantera/examples/kinetics/extract_submechanism.py b/interfaces/cython/cantera/examples/kinetics/extract_submechanism.py
@@ -7,7 +7,7 @@
 mechanism and the submechanism, which demonstrates that the submechanism
 contains all of the important species and reactions.
 
-Requires: cantera >= 2.5.0, matplotlib >= 2.0
+Requires: cantera >= 2.6.0, matplotlib >= 2.0
 """
 
 from timeit import default_timer
@@ -57,6 +57,8 @@
 gas2 = ct.Solution(thermo='ideal-gas', kinetics='gas',
                    species=species, reactions=reactions)
 
+# Save the resulting mechanism for later use
+gas2.write_yaml("gri30-CO-H2-submech.yaml")
 
 def solve_flame(gas):
     gas.TPX = 373, 0.05*ct.one_atm, 'H2:0.4, CO:0.6, O2:1, N2:3.76'

diff --git a/interfaces/cython/cantera/examples/kinetics/mechanism_reduction.py b/interfaces/cython/cantera/examples/kinetics/mechanism_reduction.py
@@ -12,7 +12,7 @@
 to see whether the reduced mechanisms with a certain number of species are able
 to adequately simulate the ignition delay problem.
 
-Requires: cantera >= 2.5.0, matplotlib >= 2.0
+Requires: cantera >= 2.6.0, matplotlib >= 2.0
 """
 
 import cantera as ct
@@ -65,6 +65,9 @@
     gas2 = ct.Solution(thermo='IdealGas', kinetics='GasKinetics',
                        species=species, reactions=reactions)
 
+    # save the reduced mechanism for later use
+    gas2.write_yaml("gri30-reduced-{}-reaction.yaml".format(N))
+
     # Re-run the ignition problem with the reduced mechanism
     gas2.TPX = initial_state
     r = ct.IdealGasConstPressureReactor(gas2)