Implementing control logic of a washing machine using State flow and Simulink chart for the Gear shift

      Objective: For the given model, check for the geometrical errors to make appropriate volumes. Create and assign PIDs as shown in the video. Perform surface mesh with the given target lengths as per PIDs. Blade stage-1 = 1 mm Blade stage-2 = 1 mm Impeller = 2 mm Shaft rotor = 1 mm Turbo casing = 5 mm…

    Objective: For the given model, check for the geometrical errors and perform Topology cleanup accordingly. Set three different target lengths as three different cases and mesh the model.  Target length = 1mm, 3 mm, and 5 mm (i.e. 3 cases) Element type = Tria   Apply any target length from the above…

    Objective: As the body is perfectly symmetric, we can run the simulation by considering the only half body. This is the best practice where you can save on the number of cells and get the results faster as well.  The geometry which is provided with the challenge needs a modification which you should…

    Objective:   Mesh the Given component with the Size of 5 Units. Create 1D elements on the following component with given cross-section and DOF a. Rod element:- Translational DOF should be Constrained with RBE2 link Cross-Section: BOX- Dimension a= 12 mm            …

    Objective:   Part I Perform a combustion simulation on the combustor model and plot the variation of the mass fraction of the different species in the simulation using line probes at different locations of the combustor as shown in Fig. You need to plot for CO2, H2O, CH4, N2, O2, NOx emissions &…

    Objective: Perform a steady-state conjugate heat transfer analysis on a model of a graphics card. You can use appropriate materials of your choice for the simulation. Make sure to properly define the correct solid and fluid zones. Refer to the video for further clarification and the model is provided below…

  Objective:   For this challenge, you will have to perform a parametric study on the gate valve simulation by setting the opening from 10 % to 80%.  Obtain the mass flow rates at the outlet for each design point. Calculate the flow coefficient and flow factor for each opening and plot the graph. Discuss…

  Objective:-    To perform analysis on cyclone separator including the following To write a few words about any four empirical models used to calculate the cyclone separator efficiency.  To perform an analysis on a given cyclone separator model by varying the particle diameter from 1 μm to 5 μm and…

    Objective:  What are some practical CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves? In your own words, explain how these mathematical models have been adapted for CFD calculations. Perform the Rayleigh Taylor instability simulation for 2 different mesh sizes with…

    Objectives:   Give a brief description of why and where a CHT analysis is used. Maintain the y+ value according to the turbulence model and justify the results.  Calculate the wall/surface heat transfer coefficient on the internal solid surface & show the velocity & temperature contours…

      Objective:   We have created two versions of the mixing tee. One of them is longer than the other. Our objective is to set up steady-state simulations to compare the mixing effectiveness when the hot inlet temperature is 360C & the Cold inlet is at 190C.  Using the k-epsilon and…

  Objective: Simulate the flow over a cylinder and explain the phenomenon of Karman vortex street.      PART-I Simulate the flow with the steady and unsteady case and calculate the Strouhal Number for Re= 100.  PART-II Calculate the coefficient of drag and lift over a cylinder by setting the Reynolds…

      Objective:   1. Build a battery pack with 3S4P configuration with generic battery block   a.Configure the batteries as per a Lithium-ion battery datasheet b.Explain your parameters c.Simulate the model and comment on the results for SOC, voltage, current in detail d.Change the configuration…

    Objective:   1. Prepare a report summarizing thermal management techniques for electric car battery packs (not more than 500 words) 2. create a simple simscape model with a battery and show the temperature dependence in the performance. Also, connect a resistor load of 10 Ohm (Hint: Table based battery,…

      Objective:   In this challenge, you will simulate an axisymmetric flow by applying the wedge boundary condition. The flow is laminar and flows through a constant cross-section pipe at an inlet Reynold's number of 2100. You can do a transient or steady-state simulation and you will validate your…

    Objective: In this challenge, you are going to simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle. You will derive both the conservation and non-conservation forms of the governing equations and solve them using MacCormack's technique. You need to determine the steady-state temperature…

  Objective:   In this challenge, you are going to simulate an incompressible-laminar-viscous flow through the backward-facing step geometry. You should perform a transient simulation. The solver can be chosen based on the described physics of the flow. You need to explain the entire simulation procedure (how…

    Objective:  What is the Finite Volume Method(FVM), write down the major differences between FDM & FVM. Also, describe the need for interpolation schemes and flux limiters in FVM. You can use the 1D linear heat conduction equation as an example.   Solution: The Finite Volume Method (FVM) is…

    Objective:   1.Simulate the 3 test cases from the harness dashboard and write a detailed report on the results 2.What is coulomb counting? Refer to the above model and explain how BMS implements coulomb counting for SOC estimation?  Hint :(Download the file from the link and go to SOC estimation…

    Objective: 1. Shock flow boundary conditions Do a literature search on what BC's are typically used for shock flow problems 2. What is a shock wave? In your own words, describe the physics behind shock waves 3. Effect of SGS parameter on shock location (Sub-Grid Scaling). In the Prandtl Meyer shock problem,…

  Objective:   1.Prepare a table that includes materials & chemical reactions occurring at the anode and cathode of LCO, LMO, NCA, NMC, LFP and LTO type of lithium-ion cells. Give your detailed explanation on it 2.Compare the differences between each type of Li+ion batteries based on their characteristics…

    Objective:   Implement control logic of a “washing machine” using Stateflow as per given sequence:  If the power supply is available, the system gets activated  If the Water supply is not available, stop the process & indicate through LED Soaking time should be 200s followed…

  Objective:     Make a Simulink model of Doorbell using a solenoid block with the following details:   In the above arrangement, when the switch is closed the electromagnet receives electrical power from the battery and pulls the metal arm to hit the bell producing sound.  Create a situation…

    Objective: Setup a transient shock tube simulation Plot the pressure and temperature history in the entire domain  Plot the cell count as a function of time    Solution: Here we have a .STL file of a rectangular channel and where we simulate the flow and learn the concept of regions and events…

    Objective:   1. Steady-state analysis & Transient State Analysis Solve the 2D heat conduction equation by using the point iterative techniques that were taught in the class. The Boundary conditions for the problem are as follows; Top Boundary = 600 K Bottom Boundary = 900 K Left Boundary = 400 K…

    Objective:   Setting up a case where like a previous challenge before, in the case of Port Fuel Injection where instead of meaning it for mesh generation, we got for Full Hydordyanmics setup in run parameters of a working IC engine.   Engine Geometric Parameters Bore =0.086 m Stroke =…

    OBJECTIVE:   Setup and run transient state simulation for flow over a throttle body. Post process the results and show pressure and velocity contours. Show the mesh (i.e surface with edges) Show the plots for pressure, velocity, mass flow rate and total cell count. Also show the calculations on how you…

AIM:  As you watched the videos, set up the case in CONVERGE Make sure the inlet pressure and initial pressure are the same.  Once you have the base setup ready, run the case for three different base mesh sizes i.e You need to run 3 simulations and compare the results between all the 3 simulations. 3 different…

Objective: Task is to write a script that does the following. Data visualizer: Your script should take column numbers as the input and plot the respective columns as separate images Each file should be saved by the name of the column The plot labels should be extracted from the file. If, I request for a plot between column…

Objective: 1. What does popt and pcov mean? (Watch the video to get some context) 2. What does np.array(temperature) do? 3. What does the * in *popt mean? 4. Write code to fit a linear and cubic polynomial for the Cp data. Explain if your results are good or bad.  5. What needs to be done in order to make the curve…

Objective: Write a program to simulate the transient behaviour of a simple pendulum and to create an animation of its motion. Brief: In Engineering, ODE is used to describe the transient behaviour of a system. A simple example is a pendulum The way the pendulum moves depends on the Newtons second law. When this law is…

Objective: Based on the concepts you have learnt during the forward kinematics routine, go ahead and write code that can solve an otto cycle and make plots for it. Here are the requirements: Your code should create a PV diagram. You should output the thermal efficiency of the engine. Theoretical Explanation:  Now,…

Objective: Try to understand the concept of genetic algorithm by referring to various sources before you attend this challenge. Look out for information regarding stalagmite function and ways to optimise it. Write a code in MATLAB to optimise the stalagmite function and find the global maxima of the function. Clearly…

Objective: Write a program to simulate the transient behaviour of a simple pendulum and to create an animation of its motion. Brief: In Engineering, ODE is used to describe the transient behaviour of a system. A simple example is a pendulum The way the pendulum moves depends on the Newtons second law. When this law is…