Week 8 - Simulation of a backward facing step in OpenFOAM

AIM : CFD Meshing for Tesla Cyber Truck  For the given model, check and solve all geometrical errors and Assign appropriate PIDs. Perform meshing with the suitable Target length and element Quality criteria.     Target lengths for the different parts of a model are as follow: Body - 3 mm  Tyres…

 Week 7 - Simulation of a 1D Supersonic nozzle flow simulation using Macormack Method   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 sovle them using…

Mixing Tee Challenge   Problem Statement: Solve the mixing of hot and cold fluid diffusion for a given problem using work bench and fluent under steady-state simulations and compare the mixing effectiveness when hot inlet temperature is 36°C & the Cold inlet is at 19°C. Use the k-omega SST model for all…

Flow over a cylinder( RE SUBMITTING FROM LIVE CLASS CHALLENGES) Aim : Simulate the flow over a cylinder and explain the phenomenon of Karman vortex street. Objective : PART-I Simulate the flow with the steady and unsteady case and calculate the Strouhal Number for   Re= 100.  PART-II Calculate the coefficient…

RESUBMITTING Aim: Simulate the flow over the Ahmed body and use air as the working fluid with velocity of 25 m/s. 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…

RESUBMITTING FROM LIVE CLASS CHALLENGE Aim : CHT analysis on exhaust port 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…

RESUBMITTING FROM LIVE CLASS CHALLENGE   Aim : Perform the Rayleigh Taylor instability simulation for 2 different mesh sizes and also by using user defined fluid in another case with refine mesh and compare the results. Objectives: What are some practical CFD models that have been based on the mathematical analysis…

RESUBMITTING FROM LIVE CLASS CHALLENGE CHT ANALYSIS ON GRAPHICS CARD   Aim : 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 the video for…

AIM : Surface wrap on Automotive Assembly For the given models, check for the geometrical errors and delete surfaces which are unwanted for Surface wrap as shown in the videos. After clearing geometry, Merge all 3 models and perform surface wrap. Target length for Wrap = 3 mm   In this challenge wee have three…

Simulation of a backward facing step in OpenFOAM n 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…

  Week 9 - FVM Literature Review  AIM :  What is 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.    FDM :   FDM is…

Week 5.1 - Mid term project - Solving the steady and unsteady 2D heat conduction problem     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…

Aim:-  Derive the following 4th order approximations of the second-order derivative.  1. Central difference 2. Skewed right-sided difference 3. Skewed left-sided difference After deriving these schemes, prove that your skewed schemes are fourth-order accurate i.e the thumb rule given Theory:-  Taylor Series…

AIM:-Write a function that extracts the 14 co-efficients and calculates the enthalpy, entropy and specific heats for all the species in the data file.     OBJECTIVE:-     . Calculate the molecular weight of each species   .Plot the Cp, Enthalpy and Entropy for the local temperature range (low temperature : high temperature)…

AIM: To write a code for genetic algorithm to optimise the stalagmite function.   OBJECTIVE: To write MATLAB code for the algorithm and clearly explain the concept of entic algorithm. Explain the syntax GA and plote a graph of global maxima vs number of iterations. Also show the output of the given MATLAB code…

Aim: To evaluate the motion of simple pendulum by solving ODE using MATLAB Theory: In Engineering, ODE is used to describe the transient behavior of a system. A simple example is a pendulum. The way the pendulum moves depends on the Newtons second law. When this law is written down, we get a second order Ordinary Differential…

Aim:- Create a Rankine Cycle Simulator using MATLAB.   Understand the concept of Rankine cycle by referring to standard thermal engineering text book. Create a Rankine Cycle Simulator using OCTAVE/MATLAB. Your code should calculate the state points of the Rankine Cycle (any type of your choice) based on user…

AIM : For the given model, check and solve all geometrical errors on half portion and Assign appropriate PIDs. Perform meshing with the given Target length and  element Quality criteria. After meshing                  the      half model, Do symmetry to the…

Aim : 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 Compressor casing =…

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 ( for all target length)   Aim: Surface meshing on a Pressure…

AIM: To create an animation of a 2R Robotic Arm. DESCRIPTION: A 2 R Robotic Arm is a device that performs a certain operation base on the manipulator attached at its end. The operation is performed by the program introduced. To create a valid program, the programmer need to have basic knowledge about the kinematics of…