Changeset 1176

Timestamp:

06/08/07 10:56:27 (1 year ago)

Author:

gary

Message:

mole_h2.cpp - do not include X collisional heating and cooling during search phase. This introduced very large noise due to nearly total cancellation between large heating / cooling terms when far from solution.

Files:

• trunk/source/mole_h2.cpp (modified) (1 diff)

trunk/source/mole_h2.cpp

@@ -3889 +3889 @@
-                hmi.HeatH2Dexc_BigH2 );
-
+        /* when we are very far from solution, during search phase, collisions within
+         * X can be overwhelmingly large heating and cooling terms, which nearly 
+         * cancel out.  Some dense cosmic ray heated clouds could not find correct
+         * initial solution due to noise introduced by large net heating which was
+         * the very noisy tiny difference betweeen very large heating and cooling
+         * terms.  Do not include collisions with x as heat/cool during the
+         * initial search phase */
+        if( conv.lgSearch )
+                hmi.HeatH2Dexc_BigH2 = 0.;
+
-        DEBUG_EXIT( "H2_Cooling()" );
-        return;