Changeset 921 for Modelica/branches/maintenance/2.2.2/Modelica/StateGraph.mo

Timestamp:

12/11/2007 05:22:27 AM (13 months ago)

Author:

otter

Message:

Changed Modelica.StateGraph.Examples.Utilities.Tank:
sqrt(..) changed to sqrt(max(0,2*g*hmax*level))
since a new implementation of sqrt(..) in Dymola may lead to an error here otherwise

Files:

• Modelica/branches/maintenance/2.2.2/Modelica/StateGraph.mo (modified) (1 diff)

Modelica/branches/maintenance/2.2.2/Modelica/StateGraph.mo

@@ -1549 +1549 @@
       der(level) = (inflow1.Fi - outflow1.Fo)/(hmax*A);
       if outflow1.open then
-        outflow1.Fo = sqrt(2*g*hmax*level)*a;
+        outflow1.Fo = sqrt(max(0,2*g*hmax*level))*a;
       else
         outflow1.Fo = 0;