Week 4 Challenge : CFD Meshing for BMW car

FVM Literature Review: Introduction: The finite volume method (FVM) is a method for representing and evaluating partial differential equation in the form of algebraic equations. In the finite volume method, volume integrals in a partial differential equation that contain a divergence term are converted to surface…

OBJECTIVE: Case 1 - Simulate the flow without using any grading factor (i.e., GF = 1) Case 2 - Simulate the flow with grading factor of 0.2. The cells should be finer near the walls (includig the step wall). Domain specification Steps: open the terminal from Ubuntu (CTRL+ALT+T) enter the script foam >…

Objective: To simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle using both the conservation and non-conservation forms of the governing equations and sovle them using the MacCormack's technique and comparing their solutions. Description: We consider the study, isentropic flow…

OBJECTIVE: To solve Steady and Unsteady state 2D Heat Conduction Equation by using the point iterative techniques such as Jacobi, Gauss Seidel & Successive over-relaxation for both implicit and explicit schemes using MATLAB. Problem statement: Computation area is to be a square. Assume nx = ny [No. of…

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

Aim: To perform combustion on a combustor model with two different cases. Objectives: 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…

Aim: to study parametric study on gate valve for various stages of opening of gate disc. Objectives: 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…

Aim:-  To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop.   Objective:- 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…

Aim: To perform simulation on graphics card. Objectives: Run the simulation by varying the velocity from 1m/sec to 5m/sec for at least 3 velocities and discuss the results. Find out the maximum temperature and heat transfer coefficient attained by the processor. Prove that the simulation has achieved convergence with appropriate…

Aim: to perform the rayleigh taylor instability between two different immiscible liquids with two different mesh sizes and discuss the consequences Objectives: 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…

AIM To perform the steady-state conjugate heat transfer simulation on the exhaust port when the air is coming at the inlet at a speed of 5m/sec. Objective: 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…

Aim: External flow simulation over an Ahmed body at different. Objective: The main objective of this challenge is to perform an flow simulation over an Ahmed body and to find out drag and lift coeficient and to perform the grid independence Test. Expected Results: 1. Velocity and pressure contours.  2. The drag coefficient…

Objectives: To simulate the flow over a cylinder and to explain the phenomenon of vortex karman street. to simulate the flow with steady and unsteady flow for the flow with reynold's no of 100 and to calculate the strauhal number for the same. to find the coefficient of drag and lift for flow with Reynolds number of 10,100,1000,10000…

Aim:  to set up steady-state simulations to compare the mixing effectiveness in a mixing tee when hot and cold air was passed through different inlets respectively at different velocities Given: hot inlet temperature is 360C & the Cold inlet is at 190C Case 1  Short mixing tee with a hot inlet velocity of 3m/s. Momentum…

Aim: To check and solve all geometrical errors on half portion and Assign appropriate PIDs and also to Perform meshing with the given Target length and element Quality criteria. we also need to perform symentry and to create wind tunnel. Given: the target lengths given are Body - 3 mm Lights - 4 mm Grills - 1 mm Rims and…

Aim: to check and solve all geometrical errors and Assign appropriate PIDs and also to Perform meshing with the suitable Target length and element Quality criteria. Given: they intended to take the quality criteria of week four and target lengths as our own ,thus i'm intended to take target lengths and quality criteria…

Aim: to surface wrap the given components by merging them sequentially and also to check for geomentrical errors. given: target length of wrap= 3mm; Procedure: the process is simple to check for geomentrical errors in given component and to delete the unwanted components. Engine model: initially import the engine model…

Aim: To check and solve all geometrical errors on half portion and Assign appropriate PIDs and also to Perform meshing with the given Target length and element Quality criteria. we also need to perform symentry and to create wind tunnel. Given: the target lengths given are Body - 3 mm Lights - 4 mm Grills - 1 mm Rims and…

Aim: To perform volumetric mesh of the given turbocharger model and to assign PID's required and to discuss the learning outcomes Process: for every model we must follow the following steps in order as  TOPO clean up surface mesh volumetric mesh  1.TOPO cleanup initially import the given model into ANSA interface now we…

Objectives: to perform topology cleanup  and to mesh the given model for three different target lengths(1mm,3mm,5mm) and to compare results Procedure: topology cleanup: import the given model in ansa  click on checks>geomentry>ANSA check>click for features like single cons;crack;overlap faces;needle…

1. major elements of the circuit are     fuse battery Generator starter current and voltage regulator distributor tail stop lights ignition switch ignition coil   2.  1.FUSE         It is a electical safety device that is used for protecting circuit.      …