Week 4 Challenge : CFD Meshing for BMW car

Aim:FVM Literature Review; Objective: To write about  Finite Volume Method(FVM). To write down the major differences between FDM & FVM. To describe the need for interpolation schemes and flux limiters in FVM by taking example of  1D linear heat conduction equation.  Theory: Descretization…

Aim:To Solve the Steady and transient 2D heat conduction equation by using the point iterative techniques . Objective: To Solve the Steady  2D heat conduction equation by using the point iterative techniques . To Solve the transient 2D heat conduction equation by using the point iterative techniques . To write code…

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   Objective: Derive the Central difference 4th order approximations of the second-order derivative.  Derive the  Skewed right-sided…

AIM:To perform a parametric study on the gate valve simulation. Objectives: To perform a parametric study on the gate valve simulation by setting the opening from 10 % to 80%.  To Obtain the mass flow rates at the outlet for each design point. To Calculate the flow coefficient and flow factor for each opening and…

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…

Aim: Conjugate Heat Transfer Analysis of a graphics Card. Objective: To mesh the geometry given with proper mesh length. To set up Boundary conditions and choose solver. To plot the Results showing that the simulation has achieved convergence To find out the maximum temperature and heat transfer coefficient attained by…

Answer:   Aim: To perform simulation on mixing of two immiscible fluid under the effect of gravity and Simulate  Rayleigh Taylor Instability Waves .   Objective:   1-To explain some practical CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves. 2-To create geometry…

ANSWER: Aim: CHT analysis of given exhaust port model. Objective: Brief description of why and where a CHT analysis is used. To generate mesh with suitable named selection. Simulate heat transfer through exhaust port model by using suitable solver  and boundary conditions Calculate the wall/surface heat transfer coefficient…

ANSWER- Aim-Simulation of flow over ahmed body. Ahmed body and its  importance. Explain wake region and point of seperation their significance. Pressure distribution and reason of negative pressure gradient in wake region. Theory- Ahmed body-It is a basic car body with simple outer feature rather generic vehicle body.…

ANSWER- AIM- steady and transient simulation of flow over cylinder . Discuss behaviour of fluid flowing over cylinder. Discuss important phenomenon ocuuring in flow and their importance. Theory- Introduction- Flow over cylinder-Study of Flow over a cylinder is similar to study of flow over an obstacle.since cylinder…

ANSWER-Steadt state simulation of mixing tee to check effectiveness CASE-1 Mixing tee of given dimesion(short length)has been taken for simulation FILE>open>choose file go prepare>extract>volume>select edges >click ok in outline hide solid by unchecking solid and right click>suppress for physics after…

ANSWER-   AIM- perform volumetric mesh on the given model with suitable target length using Pre-Processing tool ANSA     Aplications-Meshing is done on physical model (geometry) of any system to study the behaviour of the system. it is process of generating two dimensional grid. After meshing only model…

ANSWER- AIM- perform surface wrap of an automtive assembly with given target length. OBJECTIVE- 1-topology cleanp of the given model of engine,gear box and transmission system. 2-Merge three parts together. 3-perform surface wrap on assebly BODY- Steps to be followed-1 open the given model of engine in ANSA using File>open…

ANSWER- AIM- perform volumetric mesh on the given model with given target length. OBJECTIVE- 1-topology cleanp of the given model of BMW car 2-perform surface mesh using target length given for different part . 3-perform volumetric mesh using tetra cfd BODY- Steps to be followed-1 open the given model in ANSA using File>open…

AIM- perform volumetric mesh on the given model with given target length. OBJECTIVE- 1-topology cleanp of the given model of turbocharger 2-perform surface mesh using target length given for different part . 3-perform volumetric mesh using tetra cfd BODY- Steps to be followed-1 open the given model in ANSA using File>open…

AIM-meshing the given model with three different target length(i.e. 1mm,3mm and 5 mm) and conclude best result. OBJECTIVE- 1-topology cleanp of the given model of pressure valve. 2-generate mesh of target length 1mm ,3mm and 5 mm. BODY- Steps to be followed-1 open the given model in ANSA using File>open          2-enable…

Answer 1-mathematical modelling of DC motor- from kirchhoff's voltage law Vs=Vb+ia*Ra+La*ia_dot        (i) Vb=Km*theta_dot                  (ii) torque equation J*w_dot+B*w=T=Kt*ia              (iii) w=theta_dot   …

% interpolating given sets of data data=readmatrix('VI.xlsx'); V=data(:,1); I=data(:,2); Vq=-17.3:0.1:0.9; Iq1=interp1(V,I,Vq); % interp1 is used for one dimensional interpolation Iq2=interp1(V,I,Vq,'spline'); figure(11); plot(V,I,'o',Vq,Iq1,':.') grid; title('linear interpolation'); figure(12); plot(V,I,'O',Vq,Iq2,':.');…