Week 4 Challenge : CFD Meshing for BMW car

Simulation of a Backward facing step in openfoamAim: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…

FVM Literature reviewIn computational fluid dynamics there are 3 numerical method based solvers to solve the governing Navier strokes equations these are:1. Finite difference method2. Finite element method3. Finite volume method In finite difference method(FDM):The grid is linear and aligned so that all grid points…

                                    Solving the Steady and unsteady equation for 2D heat conduction   Aim:  Solve the 2D heat conduction equation by using the point iterative techniques. Input Top Boundary = 600 K Bottom…

Aim   Deriving the 4th order approximation in 2nd order derivative using Taylor table method   Objective    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…

                                                                        Tesla cybertruck Objective : To Identifying & cleanup all the topological errors in the given Tesla Cyber Truck Car model. To create a surface mesh. To Create a wind tunnel around Tesla Cyber Truck Car . To create a volumetric mesh to perform an external…

Aim  To verifying the Rayleigh Stablity in CFD simulations Objective Explain different CFD models used for solving Rayleigh Taylor Instability problems Perform a Rayleigh Taylor instability analysis using the Volume of Fluid (VOF) multiphase model for air and water for two different mesh element sizes. Repeat the process…

Aim  to performing a steady state conjugatenheat transfer analysis on a model of a 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…

CHT analysis for Exhaust Port Aim To verifying the exhaust port CHT analysis for through the Ansys software Objective  brief description of why and where a CHT analysis is used. Maintain the y+ value according to the turbulence model and justify the results.   wall/surface heat transfer coefficient on the internal solid…

Question and Answers 1.Ahmed Body Ahmed body is a simplified car body and was first created by S.R Ahmed. This shape provides a model to study geometrical effects on the wakes of ground vehicles. Importance Ahmed body allows us to capture characteristic features that are relevant to bodies in the automobile industry.  This…

Aim : Simulate the flow over a cylinder  through Ansys software. Objective: Simulate the flow with the steady and unsteady case and calculate the Strouhal Number for Re=100. Calculate the coefficient of drag and lift over a cylinder by setting the Reynolds number to 10,100,1000,10000 & 100000. (Run with steady solver)…

Aim   To verifying the steady state simulations to compare  the mixing effectiveness through the mixing tee. Introduction  Created the two versions the mixing tee one of them is longer than the other.  Short mixing tee hot inlet velocity of 3m/s,Momentum ratio of 2,4.  Long mixing tee hot inlet…

Aim  To veryfing the surface wraping on automotive assembly through the BETA ANSA software. Procedure    Dowload the engine and gearbox ,Transmission model.    Open the model through the ANSA software. Engine model   Open the Engine model and check the geometry errors.    Start the…

Aim  To verifying  the BMW car meshing the  model through the ANSA software . Procedure Open the BMW car model using ansa. Check the Geometry of the model and single & Double cons present or not . The BMW car is symmetric.So i did half model only enough the Topo cleanup. Model is took position of…

Aim   To verify the CFD meshing a turbocharger model. Procedure  Open the Turbocharger model through the BETA ansa software. Check the model cons are which is present or not single and Triple cons. Topo cleanup the model and then check the geometry. If any single cons are present try to create new faces. If Triple cons…

Aim To verify the Pressure valve meshing through PID model. Procedure  Open the Pressure valve model through the Ansa software Next model will be do that Topo cleanup. And then model will start mode. PID means specifically identificaton that model. Using the shell option. Give the separate colour each part. Next we…