Fix t pflashbug (#419)

* first test * Update TPFlashTest.java * fix bug with flash of fluid fix bug with flash of fluid with low flow rates
equinor · May 27, 2022 · 22c938c · 22c938c
1 parent c450349
commit 22c938c
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/src/main/java/neqsim/thermodynamicOperations/ThermodynamicOperations.java b/src/main/java/neqsim/thermodynamicOperations/ThermodynamicOperations.java
@@ -147,6 +147,7 @@ public void TPflash() {
         double minimumFlowRate = 1e-50;
         if (flowRate < 1e-3) {
             system.setTotalNumberOfMoles(1.0);
+            system.init(1);
         }
         operation = new neqsim.thermodynamicOperations.flashOps.TPflash(system,
                 system.doSolidPhaseCheck());

diff --git a/src/test/java/neqsim/thermodynamicOperations/flashOps/TPFlashTest.java b/src/test/java/neqsim/thermodynamicOperations/flashOps/TPFlashTest.java
@@ -100,12 +100,13 @@ void testRun5() {
     testSystem5.setMultiPhaseCheck(true);
     testSystem5.setPressure(90.03461693, "bara");
     testSystem5.setTemperature(293.15, "K");
-    testSystem5.setTotalFlowRate(4.925e-05, "kg/sec");
+    testSystem5.setTotalFlowRate(4.925e-07, "kg/sec");
     testOps = new ThermodynamicOperations(testSystem5);
     testOps.TPflash();
     testSystem5.initProperties();
     double beta = testSystem5.getBeta();
-    assertEquals(0.9999993727123112, beta, 1e-5);
+    assertEquals(6.272876522701802E-7, beta, 1e-5);
+
 
   }
 }