From fb31f035e75fcf6cf02c2758922d11c5c9aa12b9 Mon Sep 17 00:00:00 2001
From: Sviatoslav Eroshkin <109044598+Sviatose@users.noreply.github.com>
Date: Mon, 28 Jul 2025 14:07:55 +0000
Subject: [PATCH] feat: UMR

---
 .../system/SystemUMRPRUMCEosNewTest.java      | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/test/java/neqsim/thermo/system/SystemUMRPRUMCEosNewTest.java b/src/test/java/neqsim/thermo/system/SystemUMRPRUMCEosNewTest.java
index b246a654de..bceb583bd0 100644
--- a/src/test/java/neqsim/thermo/system/SystemUMRPRUMCEosNewTest.java
+++ b/src/test/java/neqsim/thermo/system/SystemUMRPRUMCEosNewTest.java
@@ -303,4 +303,23 @@ public void testPseudoComptest() {
     testSystem.initPhysicalProperties("density");
     assertEquals(6.84959007, testSystem.getDensity("kg/m3"), 0.00001);
   }
+
+
+    @Test
+  void testWithTBPfraction() {
+    neqsim.util.database.NeqSimDataBase.setCreateTemporaryTables(true);
+
+    neqsim.thermo.system.SystemInterface fluid0_HC = new neqsim.thermo.system.SystemUMRPRUMCEos(288, 50);
+    fluid0_HC.addComponent("nitrogen", 2.5);
+    fluid0_HC.addComponent("CO2", 4.5);
+    fluid0_HC.addComponent("methane", 79.45);
+    fluid0_HC.addComponent("ethane", 10);
+    fluid0_HC.addTBPfraction4("C10", 0.05, 0.25, 0.6, 600);
+    fluid0_HC.createDatabase(true);
+    fluid0_HC.setMixingRule("HV", "UNIFAC_UMRPRU");
+    neqsim.thermodynamicoperations.ThermodynamicOperations testOps = new neqsim.thermodynamicoperations.ThermodynamicOperations(fluid0_HC);
+    testOps.TPflash();
+    fluid0_HC.prettyPrint();
+  }
+
 }