[WIP] Add integration of Reactiv Limits Outerloop

pom.xml

@@ -50,7 +50,7 @@
     <properties>
         <java.version>17</java.version>
         <powsybl-core.version>6.6.0</powsybl-core.version>
-        <powsybl-open-loadflow.version>1.14.1</powsybl-open-loadflow.version>
+        <powsybl-open-loadflow.version>1.14.1-SNAPSHOTYA</powsybl-open-loadflow.version>
         <knitro-interfaces.version>14.2.0</knitro-interfaces.version>
         <bridj.version>0.7.0</bridj.version>
     </properties>

src/main/java/com/powsybl/openloadflow/knitro/solver/KnitroLoadFlowParameters.java

@@ -10,6 +10,8 @@
 import com.powsybl.commons.extensions.AbstractExtension;
 import com.powsybl.loadflow.LoadFlowParameters;
 
+import java.util.logging.Logger;
+
 /**
  * @author Jeanne Archambault {@literal <jeanne.archambault at artelys.com>}
  * @author Martin Debouté {@literal <martin.deboute at artelys.com>}
@@ -27,6 +29,15 @@ public class KnitroLoadFlowParameters extends AbstractExtension<LoadFlowParamete
     private boolean alwaysUpdateNetwork = KnitroSolverParameters.ALWAYS_UPDATE_NETWORK_DEFAULT_VALUE;
     private boolean checkLoadFlowSolution = KnitroSolverParameters.CHECK_LOAD_FLOW_SOLUTION_DEFAULT_VALUE;
     private KnitroSolverParameters.KnitroSolverType knitroSolverType = KnitroSolverParameters.DEFAULT_KNITRO_SOLVER_TYPE;
+    private KnitroWritter knitroWritter;
+
+    public KnitroLoadFlowParameters(KnitroWritter knitroWritter) {
+        this.knitroWritter = knitroWritter;
+    }
+
+    public KnitroLoadFlowParameters() {
+        this.knitroWritter = new KnitroWritter("Logs.txt");
+    }
 
     public int getGradientComputationMode() {
         return gradientComputationMode;
@@ -142,9 +153,17 @@ public KnitroLoadFlowParameters setKnitroSolverType(KnitroSolverParameters.Knitr
         return this;
     }
 
+    public KnitroWritter getKnitroWritter() {
+        return knitroWritter;
+    }
+
+    public KnitroLoadFlowParameters setKnitroWritter(KnitroWritter knitroWritter) {
+        this.knitroWritter = knitroWritter;
+        return this;
+    }
+
     @Override
     public String getName() {
         return "knitro-load-flow-parameters";
     }
-
 }

src/main/java/com/powsybl/openloadflow/knitro/solver/KnitroSolverFactory.java

@@ -58,8 +58,8 @@ public AcSolverParameters createParameters(LoadFlowParameters parameters) {
                     .setConvEps(parameters.getExtension(KnitroLoadFlowParameters.class).getConvEps())
                     .setAlwaysUpdateNetwork(parameters.getExtension(KnitroLoadFlowParameters.class).isAlwaysUpdateNetwork())
                     .setCheckLoadFlowSolution(parameters.getExtension(KnitroLoadFlowParameters.class).isCheckLoadFlowSolution())
+                    .setKnitroWritter(parameters.getExtension(KnitroLoadFlowParameters.class).getKnitroWritter())
                     .setKnitroSolverType(parameters.getExtension(KnitroLoadFlowParameters.class).getKnitroSolverType());
-
         }
         return knitroSolverParameters;
     }
@@ -75,6 +75,8 @@ public AcSolver create(LfNetwork network, AcLoadFlowParameters parameters, Equat
                     new KnitroSolver(network, knitroSolverParameters, equationSystem, j, targetVector, equationVector, parameters.isDetailedReport());
             case RESILIENT ->
                     new ResilientKnitroSolver(network, knitroSolverParameters, equationSystem, j, targetVector, equationVector, parameters.isDetailedReport());
+            case REACTIVLIMITS ->
+                    new KnitroSolverReacLim(network, knitroSolverParameters, equationSystem, j, targetVector, equationVector, parameters.isDetailedReport());
         };
     }
 

src/main/java/com/powsybl/openloadflow/knitro/solver/KnitroSolverParameters.java

@@ -7,6 +7,7 @@
  */
 package com.powsybl.openloadflow.knitro.solver;
 
+import com.artelys.knitro.api.KNConstants;
 import com.powsybl.openloadflow.ac.solver.AcSolverParameters;
 import com.powsybl.openloadflow.ac.solver.LineSearchStateVectorScaling;
 import com.powsybl.openloadflow.ac.solver.MaxVoltageChangeStateVectorScaling;
@@ -22,6 +23,7 @@
  */
 public class KnitroSolverParameters implements AcSolverParameters {
 
+    public static final String DEFAULT_LOG_FILE_NAME = "Logs.txt";
     public static final int DEFAULT_GRADIENT_COMPUTATION_MODE = 1; // Specifies how the Jacobian matrix is computed
     public static final int DEFAULT_GRADIENT_USER_ROUTINE = 2; // If the user chooses to pass the exact Jacobian to knitro, specifies the sparsity pattern for the Jacobian matrix.
     public static final int DEFAULT_HESSIAN_COMPUTATION_MODE = 6; // Specifies how the Hessian matrix is computed. 6 means that the Hessian is approximated using the L-BFGS method, which is a quasi-Newton method.
@@ -31,7 +33,7 @@ public class KnitroSolverParameters implements AcSolverParameters {
     public static final double DEFAULT_STOPPING_CRITERIA = Math.pow(10, -6);
     public static final StateVectorScalingMode DEFAULT_STATE_VECTOR_SCALING_MODE = StateVectorScalingMode.NONE;
     public static final boolean ALWAYS_UPDATE_NETWORK_DEFAULT_VALUE = true;
-    public static final boolean CHECK_LOAD_FLOW_SOLUTION_DEFAULT_VALUE = true; // If the solver converges, launches a load flow taking into account slack variable results to check if the solution is a real load flow solution
+    public static final boolean CHECK_LOAD_FLOW_SOLUTION_DEFAULT_VALUE = false; // If the solver converges, launches a load flow taking into account slack variable results to check if the solution is a real load flow solution
     public static final KnitroSolverType DEFAULT_KNITRO_SOLVER_TYPE = KnitroSolverType.STANDARD;
     public KnitroSolverType knitroSolverType = DEFAULT_KNITRO_SOLVER_TYPE;
     private StateVectorScalingMode stateVectorScalingMode = DEFAULT_STATE_VECTOR_SCALING_MODE;
@@ -48,6 +50,16 @@ public class KnitroSolverParameters implements AcSolverParameters {
     private int maxIterations = DEFAULT_MAX_ITERATIONS;
     private double convEps = DEFAULT_STOPPING_CRITERIA;
     private int hessianComputationMode = DEFAULT_HESSIAN_COMPUTATION_MODE;
+    private String logFileName = DEFAULT_LOG_FILE_NAME;
+    private KnitroWritter knitroWritter;
+
+    public KnitroSolverParameters(KnitroWritter knitroWritter) {
+        this.knitroWritter = knitroWritter;
+    }
+
+    public KnitroSolverParameters() {
+        this.knitroWritter = new KnitroWritter("Logs.txt");
+    }
 
     public int getGradientComputationMode() {
         return gradientComputationMode;
@@ -202,6 +214,15 @@ public void setKnitroSolverType(KnitroSolverType knitroSolverType) {
         this.knitroSolverType = Objects.requireNonNull(knitroSolverType);
     }
 
+    public KnitroWritter getKnitroWritter() {
+        return knitroWritter;
+    }
+
+    public KnitroSolverParameters setKnitroWritter(KnitroWritter knitroWritter) {
+        this.knitroWritter = knitroWritter;
+        return this;
+    }
+
     @Override
     public String toString() {
         return "KnitroSolverParameters(" +
@@ -218,6 +239,7 @@ public String toString() {
 
     public enum KnitroSolverType {
         STANDARD,
-        RESILIENT
+        RESILIENT,
+        REACTIVLIMITS,
     }
 }