diff --git a/RM3_UserDefinedForce/PlotResults.m b/RM3_UserDefinedForce/PlotResults.m
new file mode 100644
index 00000000..485230c5
--- /dev/null
+++ b/RM3_UserDefinedForce/PlotResults.m
@@ -0,0 +1,17 @@
+data3 = load("ResultsV1\output_force3.mat");
+data0 = load("output_noForce.mat");
+
+figure()
+plot(data0.output.bodies(1).time, data0.output.bodies(1).position(:,4),output.bodies(1).time, output.bodies(1).position(:,4),data3.output.bodies(1).time, data3.output.bodies(1).position(:,4))
+legend('No Force', 'Ramp', 'No Ramp')
+title('Roll - X rotation')
+
+figure()
+plot(data0.output.bodies(1).time, data0.output.bodies(1).position(:,5),output.bodies(1).time, output.bodies(1).position(:,5),data3.output.bodies(1).time, data3.output.bodies(1).position(:,5))
+legend('No Force', 'Ramp', 'No Ramp')
+title('Pitch - Y rotation')
+
+figure()
+plot(data0.output.bodies(1).time, data0.output.bodies(1).position(:,6),output.bodies(1).time, output.bodies(1).position(:,6),data3.output.bodies(1).time, data3.output.bodies(1).position(:,6))
+legend('No Force', 'Ramp', 'No Ramp')
+title('Yaw - Z rotation')
\ No newline at end of file
diff --git a/RM3_UserDefinedForce/RM3.slx b/RM3_UserDefinedForce/RM3.slx
new file mode 100644
index 00000000..61edfabb
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diff --git a/RM3_UserDefinedForce/ResultsV1/output_force1.mat b/RM3_UserDefinedForce/ResultsV1/output_force1.mat
new file mode 100644
index 00000000..d6f10f54
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diff --git a/RM3_UserDefinedForce/ResultsV1/output_force2.mat b/RM3_UserDefinedForce/ResultsV1/output_force2.mat
new file mode 100644
index 00000000..de5a285a
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diff --git a/RM3_UserDefinedForce/ResultsV1/output_force3.mat b/RM3_UserDefinedForce/ResultsV1/output_force3.mat
new file mode 100644
index 00000000..4519263f
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diff --git a/RM3_UserDefinedForce/ResultsV1/output_force4.mat b/RM3_UserDefinedForce/ResultsV1/output_force4.mat
new file mode 100644
index 00000000..2377f33a
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diff --git a/RM3_UserDefinedForce/dataVisualization.m b/RM3_UserDefinedForce/dataVisualization.m
new file mode 100644
index 00000000..cbf06b0c
--- /dev/null
+++ b/RM3_UserDefinedForce/dataVisualization.m
@@ -0,0 +1,25 @@
+%% Data Visualization: Force Comparison (Updated Structure)
+% Load the datasets
+data0 = load("output_noForce.mat");
+data1 = load("output_force1.mat");
+data2 = load("output_force2.mat");
+data3 = load("output_force3.mat");
+data4 = load("output_force4.mat");
+
+figure('Color', 'w'); 
+hold on; grid on;
+
+% Plot each line using the updated .output.bodies path
+plot(data0.output.bodies(1).time, data0.output.bodies(1).position(:,3), 'k--', 'LineWidth', 1.5);
+plot(data1.output.bodies(1).time, data1.output.bodies(1).position(:,3), 'LineWidth', 1.2);
+plot(data2.output.bodies(1).time, data2.output.bodies(1).position(:,3), 'LineWidth', 1.2);
+plot(data3.output.bodies(1).time, data3.output.bodies(1).position(:,3), 'LineWidth', 1.2);
+plot(data4.output.bodies(1).time, data4.output.bodies(1).position(:,3), 'LineWidth', 1.2);
+
+% Formatting the plot
+xlabel('Time (s)', 'FontSize', 12);
+ylabel('Vertical Position (m)', 'FontSize', 12);
+title('Body 1 Heave Response Across Force Profiles', 'FontSize', 14);
+
+legend('No Force', 'Force 1', 'Force 2', 'Force 3', 'Force 4', ...
+       'Location', 'best');
\ No newline at end of file
diff --git a/RM3_UserDefinedForce/output_noForce.mat b/RM3_UserDefinedForce/output_noForce.mat
new file mode 100644
index 00000000..9d034cb8
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diff --git a/RM3_UserDefinedForce/userDefinedFunctions.m b/RM3_UserDefinedForce/userDefinedFunctions.m
new file mode 100644
index 00000000..57cc8844
--- /dev/null
+++ b/RM3_UserDefinedForce/userDefinedFunctions.m
@@ -0,0 +1,25 @@
+%Example of user input MATLAB file for post processing
+
+%Plot waves
+waves.plotElevation(simu.rampTime);
+try 
+    waves.plotSpectrum();
+catch
+end
+
+%Plot heave response for body 1
+output.plotResponse(1,3);
+
+%Plot heave response for body 2
+output.plotResponse(2,3);
+
+%Plot heave forces for body 1
+output.plotForces(1,3);
+
+%Plot heave forces for body 2
+output.plotForces(2,3);
+
+%Save waves and response as video
+% output.saveViz(simu,body,waves,...
+%     'timesPerFrame',5,'axisLimits',[-150 150 -150 150 -50 20],...
+%     'startEndTime',[100 125]);
diff --git a/RM3_UserDefinedForce/wecSimInputFile.m b/RM3_UserDefinedForce/wecSimInputFile.m
new file mode 100644
index 00000000..893b75ba
--- /dev/null
+++ b/RM3_UserDefinedForce/wecSimInputFile.m
@@ -0,0 +1,50 @@
+%% Simulation Data
+simu = simulationClass();               % Initialize Simulation Class
+simu.simMechanicsFile = 'RM3.slx';      % Specify Simulink Model File
+simu.mode = 'normal';                   % Specify Simulation Mode ('normal','accelerator','rapid-accelerator')
+simu.explorer = 'off';                   % Turn SimMechanics Explorer (on/off)
+simu.startTime = 0;                     % Simulation Start Time [s]
+simu.rampTime = 100;                    % Wave Ramp Time [s]
+simu.endTime = 400;                     % Simulation End Time [s]
+simu.solver = 'ode4';                   % simu.solver = 'ode4' for fixed step & simu.solver = 'ode45' for variable step 
+simu.dt = 0.1; 							% Simulation time-step [s]
+
+%% Wave Information 
+% % noWaveCIC, no waves with radiation CIC  
+% waves = waveClass('noWaveCIC');       % Initialize Wave Class and Specify Type  
+
+% % Regular Waves  
+waves = waveClass('regular');           % Initialize Wave Class and Specify Type                                 
+waves.height = 2.5;                     % Wave Height [m]
+waves.period = 8;                       % Wave Period [s]
+
+%% Body Data
+% Float
+%External force on Body 1
+F_ext_b1 = [0,0,5.0e5,0,0,0];
+
+body(1) = bodyClass('../_Common_Input_Files/RM3/hydroData/rm3.h5');
+    % Create the body(1) Variable, Set Location of Hydrodynamic Data File
+    % and Body Number Within this File.
+body(1).geometryFile = '../_Common_Input_Files/RM3/geometry/float.stl';    % Location of Geometry File
+body(1).mass = 'equilibrium';
+    % Body Mass. The 'equilibrium' Option Sets it to the Displaced Water
+    % Weight.
+body(1).inertia = [20907301 21306090.66 37085481.11];  % Moment of Inertia [kg*m^2]     
+
+% Spar/Plate
+body(2) = bodyClass('../_Common_Input_Files/RM3/hydroData/rm3.h5');
+body(2).geometryFile = '../_Common_Input_Files/RM3/geometry/plate.stl';
+body(2).mass = 'equilibrium';                   
+body(2).inertia = [94419614.57 94407091.24 28542224.82];
+
+%% PTO and Constraint Parameters
+% Floating (3DOF) Joint
+constraint(1) = constraintClass('Constraint1'); % Initialize Constraint Class for Constraint1
+constraint(1).location = [0 0 0];               % Constraint Location [m]
+
+% Translational PTO
+pto(1) = ptoClass('PTO1');                      % Initialize PTO Class for PTO1
+pto(1).stiffness = 0;                           % PTO Stiffness [N/m]
+pto(1).damping = 1200000;                       % PTO Damping [N/(m/s)]
+pto(1).location = [0 0 0];                      % PTO Location [m]