Question
Can someone just post the simulink image of this. I do not need the code just need the diagram. I will fill in the variables
Can someone just post the simulink image of this. I do not need the code just need the diagram. I will fill in the variables just cant figure out ohow to connect everything in simulink. Thank you. Bungee America Simulation (Second order Ordinary Differential Equations) A team of engineering students is planning to sign up for an adventure at the Bungee America after final, http://www.bungeeamerica.com/bungee/, to jump off a 120-foot (36.58 m) tall bridge using a full body harness with a 8-meter long bungee line. The students in the group are weighing between 50 kg (110 lbs.) and 90 kg (200 lbs.). This is a dangerous adventure. The purpose of the simulation is to analyze the bungee jumping details for people weigh between 50-90 kg using the 8-meter long bungee line prior to jumping over the bridge. The equation to use for the analysis is Newtons Second Law, F = ma where F is the sum of the gravitational, aerodynamic drag, and bungee forces acting on the jumper, m is the mass of the jumper, and a is the acceleration. Define the distance the jumper falls as the variable x. Distance is a function of time, x(t). The jumpers velocity and acceleration are then represented as x and x, respectively. The Newtons equation to solve for acceleration is: x = F / m Next, determines the forces making up F. The gravitational force will be the jumpers weight, which is: W = m g g is about 9.81 m/s2 at the surface of the earth. The aerodynamic drag, D, will be proportional to the square of the jumpers velocity, D = c (x) 2 The constant c can be computed from the 55 m/s free-fall terminal velocity. At 55 m/s, the aerodynamic drag is equal to the weight of the jumper, so c can be determined using: c = D / (x) 2 = W / (55 m/s)2 Finally, after the jumper has fallen beyond the bungee cord length, the slack in the bungee will be eliminated, and it will begin to exert an arresting force, B, of 110 N for every meter that it is stretched beyond 8 m. B = 110 (x - 8) The bungee also has a viscous friction force, R, once it begins to stretch, which is given by: R = 3 x Thus, there will be two equations for computing the acceleration. The first equation will be used when the distance x is less than or equal to 8 m: x = F / m = (W D) / m A second equation will be used when x is greater than 8 m: x = F / m = (W D B R) / m Simulation: Create one Simulink embedded function model (using the MATLAB function block) to simulate a 50 kg person bungee jumping off the bridge for the first 300 seconds. Add mux, display, scope, and To File blocks as needed in the Simulink model to save the simulation result, the simulation time (t), distance (x), velocity (x) and acceleration (x) to a .mat file.
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