验收四路模型并优化拓扑求解性能

tests/test_amesim_mechanical_public_components.py

@@ -207,10 +207,11 @@ class AmesimMechanicalPublicComponentTests(unittest.TestCase):
         residuals = node.pressure_flow_equation_residuals()
 
         self.assertEqual(node.active_ports, ("port_1", "port_2", "port_9"))
-        self.assertAlmostEqual(node.total_force, 0.0)
+        self.assertAlmostEqual(node.total_force, 10.0)
+        self.assertAlmostEqual(node.force_balance, 0.0)
         self.assertEqual(len(residuals), 5)
         self.assertTrue(all(abs(residual.value) <= 1.0e-12 for residual in residuals))
-        self.assertEqual(node.component_result_values(), {"tforce": 0.0})
+        self.assertEqual(node.component_result_values(), {"tforce": 10.0})
 
     def test_lmechn1_registry_rejects_fractional_integer_options(self) -> None:
         with self.assertRaisesRegex(ValueError, "v1 must be an integer"):