diff --git a/include/tug/Simulation.hpp b/include/tug/Simulation.hpp
index 139597f..468777c 100644
--- a/include/tug/Simulation.hpp
+++ b/include/tug/Simulation.hpp
@@ -1,2 +1,78 @@
+#include "Boundary.hpp"
+#include "Grid.hpp"
 
+enum APPROACH {
+    FTCS,
+    BTCS
+};
 
+enum CSV_OUTPUT {
+    CSV_OUTPUT_OFF,
+    CSV_OUTPUT_ON,
+    CSV_OUTPUT_VERBOSE
+};
+
+class Simulation {
+    public:
+
+        /**
+         * @brief Construct a new Simulation object
+         * 
+         * @param grid 
+         * @param bc 
+         * @param aproach 
+         */
+        Simulation(Grid grid, Boundary bc, APPROACH aproach);
+
+        /**
+         * @brief 
+         * 
+         * @param csv_output 
+         */
+        void outputCSV(CSV_OUTPUT csv_output);
+
+        /**
+         * @brief Set the Timestep object
+         * 
+         * @param timetstep 
+         */
+        void setTimestep(double timetstep);
+
+        /**
+         * @brief Get the Timestep object
+         * 
+         */
+        void getTimestep();
+
+        /**
+         * @brief Set the Iterations object
+         * 
+         * @param iterations 
+         */
+        void setIterations(int iterations);
+
+        /**
+         * @brief Get the Iterations object
+         * 
+         * @return auto 
+         */
+        auto getIterations();
+
+        /**
+         * @brief 
+         * 
+         * @return auto 
+         */
+        auto run();
+
+    private:
+
+        double timestep;
+        int iterations;
+        CSV_OUTPUT csv_output;
+
+        Grid grid;
+        Boundary bc;
+        APPROACH approach;
+
+};
diff --git a/src/Boundary.cpp b/src/Boundary.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/src/FTCS.cpp b/src/FTCS.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/src/Grid.cpp b/src/Grid.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/src/Simulation.cpp b/src/Simulation.cpp
new file mode 100644
index 0000000..e69de29