From 5a08cf043f26f474a502675a8312ddd0ebabb725 Mon Sep 17 00:00:00 2001
From: Ray Speth <speth@mit.edu>
Date: Mon, 15 Feb 2016 17:00:04 -0500
Subject: [PATCH] [1D] Make FreeFlame mdot guess pressure dependent

This gives a better guess for both high and low pressure flames, since velocity
is roughly constant while mass flux can vary by orders of magnitude.
---
 interfaces/cython/cantera/onedim.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/interfaces/cython/cantera/onedim.py b/interfaces/cython/cantera/onedim.py
index 69917de7a..5b749795b 100644
--- a/interfaces/cython/cantera/onedim.py
+++ b/interfaces/cython/cantera/onedim.py
@@ -407,7 +407,7 @@ class FreeFlame(FlameBase):
 
         if not self.inlet.mdot:
             # nonzero initial guess increases likelihood of convergence
-            self.inlet.mdot = 1.0
+            self.inlet.mdot = 1.0 * self.gas.density
 
         # get adiabatic flame temperature and composition
         self.gas.equilibrate('HP')