Numerical Discretization- First, Second and Fourth Order Approximation Error, Numerical vs Analytical.

Designing a Complex Bracket Using Siemens Nx Objective To design a complex bracket using the sheet metal application in Siemens NX. And to use a STEP file and use it to work with flattening and forming commands in modelling application of Siemens NX.   Introduction Sheet metal design is a vast domain in the design…

Box Assembly Using Siemens NX Objective To design an advanced box assembly using the sheet metal application in Siemens NX. Introduction Sheet metal design is a vast domain in the design industry. It is used in many sectors inlcuding the automotive sector. In this sheet box assembly design we will look at the design approach…

Odd Shaped Enclosure Objective To design an odd shaped enclosure using the sheet metal application in Siemens NX. Introduction Sheet metal design is a vast domain in the design industry. It is used in many sectors inlcuding the automotive sector. In this sheet metal casing design we will look at the design approach using…

Casing Design Using Siemens NX Objective To design an advanced casing using the sheet metal application in Siemens NX. Introduction Sheet metal design is a vast domain in the design industry. It is used in many sectors inlcuding the automotive sector. In this sheet metal casing design we will look at the design approach…

Objective To design and model a Superyatch using Solidworks. Result             Conclusion Successfully designed and rendered the super yatch using the solidworks software. The rendered images are shown above.   To download the zip file of the model please contact me on: engg.rafays@gmail.com

Objective To add decals, materials, lights, cameras, scene setup and then render the americal chopper model. Results Figure 1 shows the camera setup view of the american chopper.     Figure 2 shows the side view of the american chopper.     Figure 3 shows the top view of the american chopper.  …

Designed and rendered a complete model of a chopper.  The rendered image is shown below.    

Objective To derive the 4th order approximations of the second order derivative for central difference scheme, skewed right sided difference scheme and skewed left sided difference scheme.  A program is then to be written in Matlab and plots are to plotted to evaluate the second order derivative of the analytical…

Objective The objective of this project is to understand and implement shell feature, sketch blocks and linear patterns through designing an oil tank, a chain and a pedal for completing the chopper design using solidworks.  Oil Tank To make an oil tank, 2 different sketches are drawn and extruded. They are later combined…

Objective To get accustomed to the UI of solidworks while creating some parts of a chopper. The parts that will be modelled for this report are transmission belt, kickstand, front fender and rear fender. Tranmission belt The transmission belt was designed by creating circles and lines. Trim feature was used to trim extra…

Objective This project will display how midplanes of complex objects, an instrument panel (also known as dashboard) for this project, can be extracted, using ANSA. The midplanes will then be meshed and the element quality will be improved according to the given quality criteria. This project will also display and compare…

Objective  The objective of this project is to clear the topology of the hood of a vehicle (Figure 1 shows the wireframe mode of the original model). After finishing this step, it is required to extract midplanes out of the original hood structure, which consists of inner and outer panel, and mesh it using the specified…

Objective The aim of this project is to individually surface wrap three models: engine, transmission and gear box. Thereafter, combine the partrs and create seamless connection between the three parts. This project will be done using ANSA. Engine We first work on the engine. Figure 1 shows the original engine model that…

Objective The objective of this project is to clear the topology of the BMW M6 model and perform 2-dimensional mesh of the model using ANSA. Various steps leading to the meshed model of the vehicle will be discussed. A tunnel needs to be created to simulate movement of the vehicle inside a tunnel and appropriate meshing…

Objective The objective of this report is to show step by step process of cleaning the topological errors of a turbocharger model and show various stages to perform 2D and volumetric meshing on the model. Topological errors Many topological errors will be cleaned for the following turbo charger model, some errors are shown…

Objective To clean up the valve of any error or missing components that may infterfere in the meshing process. And to mesh the valve using three different element sizes, i. e. 15 units, 7 units, and 2 units. In this project we will also interpret the most suitable mesh size for the given valve and the reason behind it.…

Objective The objective of this project is to mesh the model of a cylinder using ANSA software. The element size of the mesh shall be 1 unit. Another aim is to familiarise a little with the software. Steps to follow for meshing any geometry Open the file and turn on the shadow mode. Change from entity mode (wherein…

Objective To solve and analyse, implicitly and explicitly, 2d heat conduction equation for steady state and transient state using Jacobi, Gauss Seidel and successive over relaxation iterative methods using matlab. 1. Steady state equation  `(delta^2T)/(deltax^2)+(delta^2T)/(deltay^2)=0` This is the steady state equation…

Objective The objective of this report is to show how to write code in matlab using to solve linear convection problem. The codes need to be written considering four different node values. The results are then needed to be analysed and discussed. The 1D linear wave equation is given as: `(du)/dt+c (du)/dx=0` The time derivative…

Objective To derive the 4th order approximations of the second order derivative for central difference scheme, skewed right sided difference scheme and skewed left sided difference scheme.  A program is then to be written in Matlab and plots are to plotted to evaluate the second order derivative of the analytical…

Objective The main objectice of this numerical dicsretization is to compute in matlab, a program that compares the first, second and fourth order approximation error of the first derivative against the analytical or real derivative for a range of grid size. This project is a continuation and elaboration of a main project…

Objective The main objectice of this numerical dicsretization is to compute in matlab, a program that compares the first, second and fourth order approximation error of the first derivative against the analytical or real derivative. Numerical discretization is used to convert partial differential equation into an algebraic…

Stoichiometric Coefficient- Effect of Number of Moles of Carbon C on Stoichiometric Combustion   Objective To compare the effect of moles of carbon on stoichiometric coefficient (ar) using Matlab for three different fuel types: Alkanes, Alkenes and Alkynes. Alkanes, Alkenes and Alkynes. We will now discuss different…

Motion of a Pendulum Simulated in Matlab- Second Order ODE Obective The objective is to write a program in matlab that solves a second order ordinary differential equation, which represents the equation of motion of a simple pendulum with damping. And to simulate in an animation form, the damped motion of a pendulum for…