diff --git a/simulationmodelfactory.cpp b/simulationmodelfactory.cpp
index b0a2ec9..eb344ca 100644
--- a/simulationmodelfactory.cpp
+++ b/simulationmodelfactory.cpp
@@ -2,17 +2,25 @@
 
 SimulationModelFactory::SimulationModelFactory() {}
 
-std::unique_ptr<SimulationModel> SimulationModelFactory::create(
-    const std::string &simulationModelLabel)
+std::unique_ptr<SimulationModel>
+SimulationModelFactory::create(const std::string& simulationModelLabel)
 {
-    if (simulationModelLabel == DRMSimulationModel::label) {
-        return std::make_unique<DRMSimulationModel>();
-    } else if (simulationModelLabel == ChronosEulerSimulationModel::label) {
-        return std::make_unique<ChronosEulerSimulationModel>();
-    }
-    std::cerr << "Simulation model used for computing the optimization results was "
-                 "not recognized"
-              << std::endl;
-    assert(false);
-    return nullptr;
+  if (simulationModelLabel == DRMSimulationModel::label) {
+    return std::make_unique<DRMSimulationModel>();
+  } else if (simulationModelLabel == ChronosEulerSimulationModel::label) {
+    return std::make_unique<ChronosEulerSimulationModel>();
+  } else if (simulationModelLabel == ChronosEulerLinearSimulationModel::label) {
+    return std::make_unique<ChronosEulerLinearSimulationModel>();
+  } else if (simulationModelLabel ==
+             ChronosEulerNonLinearSimulationModel::label) {
+    return std::make_unique<ChronosEulerNonLinearSimulationModel>();
+  } else if (simulationModelLabel == LinearSimulationModel::label) {
+    return std::make_unique<LinearSimulationModel>();
+  }
+  std::cerr
+    << "Simulation model used for computing the optimization results was "
+       "not recognized"
+    << std::endl;
+  assert(false);
+  return nullptr;
 }
diff --git a/simulationmodelfactory.hpp b/simulationmodelfactory.hpp
index 543a011..f26576d 100644
--- a/simulationmodelfactory.hpp
+++ b/simulationmodelfactory.hpp
@@ -1,17 +1,19 @@
 #ifndef SIMULATIONMODELFACTORY_HPP
 #define SIMULATIONMODELFACTORY_HPP
 
+#include "chronoseulerlinearsimulationmodel.hpp"
+#include "chronoseulernonlinearsimulationmodel.hpp"
 #include "chronoseulersimulationmodel.hpp"
 #include "der_leimer.hpp"
 #include "drmsimulationmodel.hpp"
 #include "linearsimulationmodel.hpp"
 #include <string>
 
-class SimulationModelFactory
-{
+class SimulationModelFactory {
 public:
-    SimulationModelFactory();
-    static std::unique_ptr<SimulationModel> create(const std::string &simulationModelLabel);
+  SimulationModelFactory();
+  static std::unique_ptr<SimulationModel>
+  create(const std::string &simulationModelLabel);
 };
 
 #endif // SIMULATIONMODELFACTORY_HPP