Week 8 - BlockMesh Drill down challenge

Objective:- To create a 3D part model using Sketch-Based Features and the Dress-Up Features in CatiaV5 software. Procedure:- Open CatiaV5 Software and go to file-New-Part. Create a point at the center axis with coordinates x=0, y=0, and z=0. Go to Toolbar-Insert-Sketcher-Positioned sketch. In Sketcher Positioning…

Objective:- To create a 3D part model using Sketch-Based Features and the Dress-Up Features in CatiaV5 software. Procedure:- Open CatiaV5 Software and go to file-New-Part. Create a point at the center axis with coordinates x=0, y=0, and z=0. Go to Toolbar-Insert-Sketcher-Positioned sketch. In Sketcher Positioning…

Objective: To create a 2D sketch in Catia V5 software. Procedure: Open Catia V5 software and go to File-New-Part. Create a point at the center axis with co-ordinates x=0,y=0,z=0. Go to Toolbar-Insert-Sketcher-Positioned sketch. In Sketcher Positioning select yz-plane and in projecting point select center point of…

Simulation of flow through the pipe in open Foam: In this challenge, we are going to change the wedge angles as 10,25 and 45 degrees. the other changes are made in the block mesh Dict, pressure, and velocity files. Entrance length: The length of the entrance is the distance that fluid travels after entering a pipe before…

Simulation of flow through the pipe in open Foam: The objective of the challenge is to perform a simulation of flow through the pipe using the Open Foam tool. Here we have taken a wedge-shaped body to perform the simulation. A proper code has to be written in the block-Dict file to get the desired shape. The fluid used…

Objectives:- To describe the need for interpolation schemes and flux limiters in Finite Volume Method (FVM). Basics:- In computational fluid dynamics there are 3 numerical method based solvers to solve the governing navier strokes equations these are: Finite Difference Method. Finite Element Method. Finite Volume Method.…

OBJECTIVE: To create a geometry and simulate a 2D flow through a Backward Facing step using multiple meshes refining mesh grading factors inside BlockMeshDict file of BlockMesh using OpenFOAM. Problem Statement: Mesh specification Number of cells along the x direction (longer dimension) = 200 Number of cells along the…

Simulation of a 1D Super-sonic nozzle flow simulation using Macormack Method. Objective: To Simulate the isentropic flow through a Quasi 1D subsonic nozzle by deriving both the conservation and non-conservation forms of the governing equations and solve them by implementing the MacCormack's technique using MATLAB. Problem…

 UNDERSTANDING LINEAR SYSTEMS. Given Data:-               A=[5 1 2 ; -3 9 4; 1 2 -7]            X=[x1;x2;x3]            B=[10 -14 33] To Find:- Eigen values of iteration matrix. Spectral radius of iteration…

AIM: To observe the effect of time step on stability of the solution for both implicit and explicit methods. To show how an unstable solution looks like. At what CFL number does the solution becomes unstable. TRANSIENT CASE: There two methods used in the transient case, Implicit method Explicit method In the explicit method…

Name of Project: Preprocessing of Rear Suspension Assembly. Objectives: To mesh the Rear Suspension model in ANSA under given quality criteria. Take Mid-Surface for components thickness less than 5mm. Remaining go for Volume Mesh. Apply necessary connections. Procedure: Import the Rear_Suspension.step model to…

Name of Challenge: To create 2D mesh for Bottle cap according to the give criteria. Objective: To remove all Topological errors, Creating the Mid Surface and meshing with the given quality criteria.  Methodology: Geometry cleanup. Generating mid surface. Asssigning relevent PID. Meshing as per given criteria.…

Name of the project: Preprocessing of IP Substrate Model. Objective: To perform a mesh for the IP Substrate under specified quality criteria by extracting the mid-surface area and assigning the thickness. Methodology: Geometry cleanup. Mid-Surface Extraction. Asssigning relevent PID. Meshing as per given criteria.…

Name of the Challange: Morphing techniques in ANSA. Objectives: To perform morphing techniques to the sheet metal component and mention the industrial uses of morphing. Procedure: Import the component.igs file to ANSA. Check for Geometrical errors in CHECKS GEOMETRY and clean up the errors like triple cons, Single…

Name of the Challange: Mesh the component by extracting the mid-surface using Skin option, Casting and also using the Batch mesh option.  Objective:To Mesh the given model to qualify the given quality criteria and comparing of mesh flow done by casting, Skinning and Batch meshing method. Methodology: Geometry cleanup.…

##Comments by Grader## Nice Work !  __________________________________________________________________________________________________________     Name of tool test: Connnection Representation of Cross Car Beam Assembly. Objective: To Mesh the given CCB Assembly to qualify the given quality criteria…

Name of Challenge: Connection Representation of Rear Door. Objective: To perform the connection of the rear door of the car with different connection techniques. Procedure:  Input the File Rear-door.nas into ANSA. Set seperate PIDs for Windows, spot welding parts. For holes where there bolt is to be used, give…

Name of tool test: Tera Meshing of Intake Manifold. Objectives: To Perform a terta mesh for Intake Manifold model under specified quality criteria. Methodology: Geometry cleanup. Asssigning relevent PID. Meshing as per given criteria. Creating volumetric mesh. Geometry cleanup. Import the Intake Manifold.igs…

Name of the challenge:Tera meshing of rear view mirror. Objectives:To perform a tera mesh for the rear view mirror under given quality criteria without kinks and dips on surfaces. Methodology: Geometry cleanup. Asssigning relevent PID. Meshing as per given criteria. Creating volumetric mesh. Geometry cleanup. Import the…

Name of Tool tests: To create a 2D mesh for Switch Panel and Sheetmetal component according to the give criteria. Objectives: To remove all Topological errors, Creating the Mid Surface and meshing the two components with the given quality criteria. Methodology: Geometry cleanup. Generating mid surface. Asssigning…

Aim: To create a 2D mesh in the hood of car according to the given quality criteria. Steps: Geometry cleanup. generating mid surface. Asssigning relevent PID. meshing as per given criteria. Procedure: The given component is a hood model which is also called bonnet of a car. This part is a sheet metal part and so that thickness…

Effect of time step size on the solution of 1-D linear convection. Aim: To see the effect of time step size on the solution of 1D linear wave equation, by using Time-marching method of finite difference method. Theory: The governing equation of 1D linear wave equation is given as  `(∂u)/(∂t)=c.(∂u)/(∂x)`.........(1)…

1-D Linear Convective Equation The first step to computing the Navier-Stokes equation is a wave propagation equation in 1D. The 1 dimensional linear convection equation is: `(∂u)/(∂t)+c(∂u)/(∂x)=0` where, ∂u/∂t=time derivative term ∂u/∂x=convective terms 'u' is a quantity that is…

Objectives: To clean all topological errors and mesh the given turbocharger model using ANSA. Procedure: 1) Import the geometry and performing geometry cleanup. 2) Setting up properties (PIDS). 3) Create surface mesh. 4) Create volume mesh. 1)Import the geometry and performing geometry cleanup Open ANSA software and write…

Objective: To mesh a given pressure valve model in ANSA using various element sizes and comparing their result as to which element size is the best for meshing any complex geometry. Steps Involved: 1. To analyse the model for any geometric abnormalities and fix them up by geometric cleanup. For this step we first loaded…

Objective: To mesh an cylinder by Advanced CFD Meshing using ANSA. Procedure: 1. Import CAD geometry. 2. Geometry checkup and Simplification. 3. Setting up PIDS. 4. Generating Mesh. Import CAD geometry: Open ANSA software and write performance_mode 3 in the other Additional ANSA command arguments in the popup window. Import…

Taylor table method and Matlab code: Computing higher order approximations using skewed and symetric stencils. 1. Central difference: In central differencing scheme, the node in the numerical stencil considered are symmetrical,ie.,starting from the center, two nodes on the left and two nodes on the right. Starting node…

Stoichiometric Combustion Calculator for Alkane, Alkene and Alkyne fuels. Stoichiometric or Theoretical Combustion is the ideal combustion process where fuel is burned completely. A complete combustion is a process burning all the carbon (C) to (CO2), all the hydrogen (H) to (H2O) and nitrogen (N2). With unburned components…

Simulating the motion of Simple Pendulum using MATLAB Objective: To simulate the motion of simple pendulum using MATLAB by solving a second order ode that represent a simple pendulum with damping. Introduction: In Engineering, ODE's usually describes the behaviour of a system. In this case, our ODE describe the…

Discretization-Numerical derivation vs exact derivation Objectives: In this project,the first order derivative is discretized to obtain the desired order of accuracy. It is then discretized with forward differencing scheme to compare the results. Formula for the fourth order approximation of the first derivative given,…

Discretization basics for range of dx-effect of dx on error. Objectives: The main intention to do this project, is to observe the effect of dx on error for first, second, fourth order approximation by using MATLAB. Procedure: First, the analytical function we considered is `f(x)=sin(x)/x^3`,then the analytical derivative…