diff --git a/Formation/OTRERA_formation/Cases/package.mo b/Formation/OTRERA_formation/Cases/package.mo
new file mode 100644
index 0000000..c012cb4
--- /dev/null
+++ b/Formation/OTRERA_formation/Cases/package.mo
@@ -0,0 +1,4 @@
+within OTRERA_formation;
+
+package Cases
+end Cases;
\ No newline at end of file
diff --git a/Formation/OTRERA_formation/Cases/package.order b/Formation/OTRERA_formation/Cases/package.order
new file mode 100644
index 0000000..e69de29
diff --git a/Formation/OTRERA_formation/Components/Heatflow.mo b/Formation/OTRERA_formation/Components/Heatflow.mo
new file mode 100644
index 0000000..6107dd0
--- /dev/null
+++ b/Formation/OTRERA_formation/Components/Heatflow.mo
@@ -0,0 +1,20 @@
+within OTRERA_formation.Components;
+
+model Heatflow
+
+  //USER DEFINED PARAMETERS
+  parameter Modelica.Units.SI.HeatFlowRate Q_flow;
+  
+  //INTERNAL VARIABLES
+  
+  //IMPORTED COMPONENTS
+  Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_b port annotation(
+    Placement(transformation(origin = {0, 2}, extent = {{-10, -10}, {10, 10}}), iconTransformation(origin = {4, -2}, extent = {{-10, -10}, {10, 10}})));
+  
+equation
+
+  Q_flow = -port.Q_flow ; 
+
+annotation(
+    Icon(graphics = {Line(origin = {-53, 0}, points = {{-43, 0}, {43, 0}}, color = {246, 97, 81}, thickness = 3, arrow = {Arrow.None, Arrow.Filled}), Rectangle(origin = {-50, 0}, extent = {{-50, 100}, {50, -100}})}));
+end Heatflow;
\ No newline at end of file
diff --git a/Formation/OTRERA_formation/Components/Temperature.mo b/Formation/OTRERA_formation/Components/Temperature.mo
new file mode 100644
index 0000000..c65dcb7
--- /dev/null
+++ b/Formation/OTRERA_formation/Components/Temperature.mo
@@ -0,0 +1,17 @@
+within OTRERA_formation.Components;
+
+model Temperature
+
+ //USER DEFINED PARAMETERS
+  parameter Modelica.Units.SI.Temperature T ;
+  //INTERNAL VARIABLES
+  
+  //IMPORTED COMPONENTS
+  Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_a port annotation(
+    Placement(transformation(extent = {{-10, -10}, {10, 10}}), iconTransformation(origin = {-2, 0}, extent = {{-10, -10}, {10, 10}})));
+equation
+  T = port.T;
+annotation(
+    Diagram(graphics),
+    Icon(graphics = {Rectangle(origin = {-50, 0}, extent = {{-50, 100}, {50, -100}}), Text(origin = {-45, 21}, extent = {{27, -23}, {-27, 23}}, textString = "T°")}));
+end Temperature;
\ No newline at end of file
diff --git a/Formation/OTRERA_formation/Components/ThermalCapacity.mo b/Formation/OTRERA_formation/Components/ThermalCapacity.mo
new file mode 100644
index 0000000..ea4519d
--- /dev/null
+++ b/Formation/OTRERA_formation/Components/ThermalCapacity.mo
@@ -0,0 +1,30 @@
+within OTRERA_formation.Components;
+
+model ThermalCapacity
+  //USER DEFINED PARAMETERS
+  parameter Modelica.Units.SI.Mass m = 10 "Object mass";
+  parameter Modelica.Units.SI.SpecificHeatCapacity cp(min=0) = 1000 ;
+  parameter Modelica.Units.SI.Temperature T_start = 283.15 ;
+  
+  //INTERNAL VARIABLES
+  Modelica.Units.SI.Temperature T ;
+  Modelica.Units.SI.HeatFlowRate Q_flow ;
+  
+  //IMPORTED COMPONENTS
+  Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_a port annotation(
+    Placement(transformation(extent = {{-10, -10}, {10, 10}}), iconTransformation(origin = {-2, -4}, extent = {{-10, -10}, {10, 10}})));
+initial equation 
+
+  T = T_start ;
+
+equation 
+
+  Q_flow = m * cp * der(T) ;
+ 
+  //PORT HANDOVER
+  Q_flow = port.Q_flow ; 
+  T = port.T ;
+
+annotation(
+    Icon(graphics = {Ellipse(origin = {-2, 3}, fillColor = {134, 94, 60}, fillPattern = FillPattern.Solid, extent = {{-92, -85}, {92, 85}})}));
+end ThermalCapacity;
\ No newline at end of file
diff --git a/Formation/OTRERA_formation/Components/package.mo b/Formation/OTRERA_formation/Components/package.mo
new file mode 100644
index 0000000..2a4d34d
--- /dev/null
+++ b/Formation/OTRERA_formation/Components/package.mo
@@ -0,0 +1,4 @@
+within OTRERA_formation;
+
+package Components
+end Components;
\ No newline at end of file
diff --git a/Formation/OTRERA_formation/Components/package.order b/Formation/OTRERA_formation/Components/package.order
new file mode 100644
index 0000000..89d5408
--- /dev/null
+++ b/Formation/OTRERA_formation/Components/package.order
@@ -0,0 +1,3 @@
+ThermalCapacity
+Heatflow
+Temperature
diff --git a/Formation/OTRERA_formation/Models/Coupled_model.mo b/Formation/OTRERA_formation/Models/Coupled_model.mo
new file mode 100644
index 0000000..5fda650
--- /dev/null
+++ b/Formation/OTRERA_formation/Models/Coupled_model.mo
@@ -0,0 +1,19 @@
+within OTRERA_formation.Models;
+
+model Coupled_model
+
+  Components.ThermalCapacity thermalCapacity(m = 30, cp = 2000)  annotation(
+    Placement(transformation(origin = {-10, 10}, extent = {{-10, -10}, {10, 10}})));
+  Components.Heatflow heatflow(Q_flow = 1000)  annotation(
+    Placement(transformation(origin = {-46, 10}, extent = {{-10, -10}, {10, 10}})));
+  Components.Heatflow heatflow1(Q_flow = 2000)  annotation(
+    Placement(transformation(origin = {-46, -20}, extent = {{-10, -10}, {10, 10}})));
+equation
+  connect(heatflow.port, thermalCapacity.port) annotation(
+    Line(points = {{-46, 10}, {-10, 10}}, color = {191, 0, 0}));
+  connect(heatflow1.port, heatflow.port) annotation(
+    Line(points = {{-46, -20}, {-30, -20}, {-30, 10}, {-46, 10}}, color = {191, 0, 0}));
+
+annotation(
+    Diagram(coordinateSystem(extent = {{-100, -100}, {100, 100}})));
+end Coupled_model;
\ No newline at end of file
diff --git a/Formation/OTRERA_formation/Models/package.mo b/Formation/OTRERA_formation/Models/package.mo
new file mode 100644
index 0000000..46c0116
--- /dev/null
+++ b/Formation/OTRERA_formation/Models/package.mo
@@ -0,0 +1,4 @@
+within OTRERA_formation;
+
+package Models
+end Models;
\ No newline at end of file
diff --git a/Formation/OTRERA_formation/Models/package.order b/Formation/OTRERA_formation/Models/package.order
new file mode 100644
index 0000000..93793e7
--- /dev/null
+++ b/Formation/OTRERA_formation/Models/package.order
@@ -0,0 +1 @@
+Coupled_model
diff --git a/Formation/OTRERA_formation/package.mo b/Formation/OTRERA_formation/package.mo
new file mode 100644
index 0000000..bf52e60
--- /dev/null
+++ b/Formation/OTRERA_formation/package.mo
@@ -0,0 +1,9 @@
+package OTRERA_formation
+
+
+
+
+
+  annotation(
+    uses(Modelica(version = "4.1.0")));
+end OTRERA_formation;
\ No newline at end of file
diff --git a/Formation/OTRERA_formation/package.order b/Formation/OTRERA_formation/package.order
new file mode 100644
index 0000000..22ef4e7
--- /dev/null
+++ b/Formation/OTRERA_formation/package.order
@@ -0,0 +1,3 @@
+Components
+Models
+Cases