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Week 5 - Mid term project - Solving the steady and unsteady 2D heat conduction problem

Aim: To solve 2D Heat flow equation in steady and transient state conditions using 1.Jacobi method 2.Gauss-Seidel method 3.Successive over relaxation method  Introduction: 2D heat conduction is studied in this challenge for various methods of iterations.In real world there is no 2D heat conduction, heat conducts in all…

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    Read more Projects by Goutham Voodarla (36)

    Analysis of NACA0012 Airfoil for different Angle of Attacks

    Objective:

    Aim: Analysis of NACA 0012 airfoil at the subsonic and supersonic regimes. The airfoil is analyzed at different angles of attack and lift and drag coefficients for all the cases and results are compared. Angles of attack to be analyzed: Setup simulation for subsonic and supersonic regimes at (0, 5, 10, 15,20…

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    04 Aug 2021 02:14 PM IST

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      Week 11- Broadband Noise modelling over Ahmed body

      Objective:

       Aim: To perform Broadband Noise modeling over Ahmed's body and also plot for the drag and lift coefficient.  Introduction: Aero-Acoustics deals with the sound or noise generated from the aerodynamic forces and motion of turbulent flow in the domain. Some of the common areas of noise are car mirrors, wheels,…

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      02 Aug 2021 03:52 AM IST

      • CFD
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      Week 9- Unsteady moving zones Approach

      Objective:

      Aim: To simulate the motion of blades in a turbomachinery component using an unsteady approach.   Transient simulation: Transient simulations are performed when the parameters vary with time. Moving Mesh approach: In this approach, the Mesh is moving and the Mesh topology will change that is the…

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      30 Jul 2021 04:49 PM IST

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        Week 8- Moving zones approach in Fluent

        Objective:

        Aim: To Simulate rotary motion for the provided geometry and plot the velocity profile of the fluid motion. Write about the Moving zones approach. Introduction: All the fluid flows that have constant velocity can be easily analyzed, such as an aircraft in cruise mode. To analyze the flow field, we simply change the reference…

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        25 Jul 2021 04:42 PM IST

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          Week 7 - Minor Project

          Objective:

          Aim: To set up a domain for analysis over NACA 0012 airfoil at the subsonic and supersonic regimes. The airfoil should be analyzed at different angles of attack and lift and drag coefficients for all the cases should be compared. Angles of attack to be analyzed: Setup simulation for subsonic and supersonic regimes at (0,…

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          22 Jul 2021 03:15 AM IST

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            Week 5 - Turbulence modelling challenge

            Objective:

            Aim: To perform Aerodynamic simulations on the Golf Ball. Simulation: The Golf ball that is to be simulated, is with dimples on one half and a smooth surface on the other half. In this simulation, we are interested more in the drag and lift  Type of flows: The type of flow  mostly depends on the Reynolds…

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            10 Jul 2021 10:38 AM IST

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              Week 3 - Pitot tube

              Objective:

              Aim: To perform simulation on the pitot tube using Ansys To do a literature review of the pitot-static tubes. Also, establish a relationship between Total (stagnation) pressure and static pressure To calculate the total and static pressures and find the error in percentage for velocity. Introduction: pitot tubes are…

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              22 Jun 2021 03:26 PM IST

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                Week 2 - Converging diverging nozzle

                Objective:

                Aim: To calculate the Velocity, pressure, temperature, and Mach number distribution in the nozzle using Ansys Fluent.  Introduction: Convergent -Divergent Nozzle: It is a nozzle with varying cross-section across its length, with decreasing crossectional area until throat (It is the smallest crossectional area…

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                18 Jun 2021 06:36 AM IST

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                  Week 6 - CHT Analysis on a Graphics card

                  Objective:

                  Aim: To Perform a steady-state conjugate heat transfer analysis on a model of a graphics card using Ansys 21R1. Case 1:Baseline Mesh, Element size 10.9mm,nodes,number of elements elments Case 2:Refined Mesh,Element size 0.6mm,nodes,number of elements elments And with varying velocities of air `1m/s^2,5m/s^2,10m/s^2` …

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                  08 Jun 2021 09:38 AM IST

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                    Week 9 - Senstivity Analysis Assignment

                    Objective:

                    Aim: To write a program to find the 10 most sensitive reactions w.r.t Temperature from the GRI mechanism. Introduction: In the combustion process, there are a series of reactions taking place in the microseconds. There is a need to study these reactions as the output of the combustion depends on these reactions. Some reactions…

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                    29 May 2021 07:23 AM IST

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                      Week 7 - Auto ignition using Cantera

                      Objective:

                      Aim: Writing a python code to perform an auto Ignition study on methane by varying the pressure and temperature. And knowing the molar concentration as the ignition takes place.  PART I simulate the Auto Ignition Time for Methane under the following conditions, (simulation time = 10 secs) Plot the variation of…

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                      24 May 2021 02:57 AM IST

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                        Week 6 - Multivariate Newton Rhapson Solver

                        Objective:

                        Aim: To perform the Multivariate Newton Rhapson technique to solve the set of equations provided and choose the suitable timestep Introduction: The Newton-Raphson method is a quick way to find a good approximation for the root of a real-valued function. This method works for any equation, polynomial…

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                        24 May 2021 01:58 AM IST

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                          Week 5.2 - Literature review: ODE Stability

                          Objective:

                          Aim: To write a literature review on the stability of ODE and to answer the following questions When does an ODE become unstable? How does stability affect engineering simulations? Can stability conditions be derived for all types of problems? Introduction: An equation containing one or more functions of one independent…

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                          17 May 2021 03:20 AM IST

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                            Week 4.2 - Combustion Efficiency Calculation after Preheating

                            Objective:

                            Aim: To find the effect of Recuperator on the Adiabatic Flame Temperature and the combustion efficiency   Introduction: A furnace is used to burn Methane and Air Mixture. A recuperator is an energy recovery heat exchanger placed within the supply and exhaust air streams of an air handling system, or…

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                            12 May 2021 02:01 PM IST

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                              Week 5.1 - Compact Notation Derivation for a simple Mechanism

                              Objective:

                              Aim: To derive the reaction rate ODEs of a simple reaction mechanism using the compact notation. Introduction: Combustion is a process of burning the fuel inside a chamber and heat is extracted. In the combustion process, many reactions occur before the final product is formed and the reactions are neutralized. The reactions…

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                              10 May 2021 10:47 AM IST

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                                Week 4.1- Handling Mixtures with Cantera

                                Objective:

                                Aim: To work with the Quantity class of Cantera to create various mixtures. In this process, you will explain how the mixture calculations are performed.   The explanation for the  1.Calculation of number of moles air The moles are calculated for the air by using the formula `x_ (O_2) = n_ (O_2) / (n_ (O_2) + n_ (N_2))…

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                                02 May 2021 04:59 AM IST

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                                  Week 3 - Adiabatic Flame Temperature calculation

                                  Objective:

                                  Aim:To Program for Adiabatic Flame temperature inside a combustion chamber in various conditions using python and cantera. Conditions: 1. Adiabatic flame temperature variation with Equivalence ratio (In constant volume-chamber)  2. Adiabatic flame temperature variation with Heat loss (In constant pressure-chamber) …

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                                  21 Apr 2021 11:19 AM IST

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                                    Week 10 - Simulating Combustion of Natural Gas.

                                    Objective:

                                    Aim:To Perform a combustion simulation on the combustor model using Ansys 2021 R1 Part 1: 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…

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                                    07 Apr 2021 05:04 AM IST

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                                      Week 9 - Parametric study on Gate valve.

                                      Objective:

                                      Aim: To perform a parametric study on the gate valve simulation by varying the valve position using ansys 2021 r1. Introduction: Gate valve is a control device used to control the flow of fluid through a pipe or opening.It controls the flow by restricting or allowing the portion of flow.There are many kinds of valves in…

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                                      05 Apr 2021 04:32 AM IST

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                                        Week 8 - Simulating Cyclone separator with Discrete Phase Modelling

                                        Objective:

                                          Aim:- To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop using Ansys 2021 R1.   Objective:- To give an outlook about any four empirical models used to calculate the cyclone separator efficiency.  To perform an analysis on a given cyclone separator…

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                                        04 Apr 2021 03:50 PM IST

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                                        Week 4 - CHT Analysis on Exhaust port

                                        Objective:

                                        Aim: To perform Conjugate Heat transfer simulation in the ansys over a exhaust manifold using Ansys 21R1. Introduction: Conjugate in (CHT) suggests combined or coupled,This means analysis of heat transfer combining the heat transfer effects of solids and fluids present in the system.It is the study of conjugation of convection…

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                                        23 Mar 2021 03:14 AM IST

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                                          Week 5 - Rayleigh Taylor Instability

                                          Objective:

                                          Aim: To Perform the Rayleigh Taylor instability simulation on two different fluids using Ansys 21R1.The aim of this report is to perform grid dependency test on Rayleigh Taylor Instability for 2 different mesh size, and compare the results for the variation in Atwood Number. Perform the Rayleigh Taylor instability…

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                                          18 Mar 2021 02:46 AM IST

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                                          Week 3 - External flow simulation over an Ahmed body.

                                          Objective:

                                          Aim: To Simulate the flow over a Ahmed body and perform grid dependancy test.  Introduction:Ahmed body is a model resembling a car.This is used to perform the experiments in the real world scenario.Wind tunnel test are performed to analyse the flow over the ahmed body.This data is also used to validate the…

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                                          08 Mar 2021 02:57 AM IST

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                                            Week 2 - Flow over a Cylinder.

                                            Objective:

                                            Aim: In this challenge we are going to Simulate the flow over a cylinder using Ansys and explain the phenomenon of Karman vortex street. There are two parts that are to be covered in this project which are described below. PART-I Simulate the flow with the steady and unsteady case and calculate the Strouhal Number…

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                                            07 Mar 2021 05:31 AM IST

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                                              Week 1- Mixing Tee

                                              Objective:

                                              Aim: To set up steady-state simulations to compare the mixing effectiveness when there are hot inlet and cold inlet.  mixing tee: It is a cost effective way of mixing fluids of different temperatues.This is mostly used in aircondition i.e HAV applications etc. Two versions of the mixing tee are used in this analysis One…

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                                              19 Feb 2021 04:01 AM IST

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                                                Week 12 - Validation studies of Symmetry BC vs Wedge BC in OpenFOAM vs Analytical H.P equation

                                                Objective:

                                                Aim: Write a program in Matlab that can generate the computational mesh. Perform simulation of floe through pipe using openFoam. Conditions : Flow is laminar. Fluid flowing through pipe is incompressibe. Hagen–Poiseuille equation: is a physical law that gives the pressure drop in an incompressible and Newtonian fluid…

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                                                10 Feb 2021 11:10 AM IST

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                                                  Week 11 - Simulation of Flow through a pipe in OpenFoam

                                                  Objective:

                                                  Aim: Write a program in Matlab that can generate the computational mesh. Perform simulation of flow through pipe using openFoam. Conditions : Flow is laminar. Fluid flowing through pipe is incompressibe. Hagen–Poiseuille equation: is a physical law that gives the pressure drop in an incompressible and Newtonian fluid…

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                                                  08 Feb 2021 02:20 AM IST

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                                                  Week 8 - BlockMesh Drill down challenge

                                                  Objective:

                                                  Aim: To simulate an incompressible-laminar-viscous flow through the backward facing step geometry using paraFoam. Given Inputs: Boundary condition specification Mesh specification Number of cells along the x direction (longer dimension) = 200 Number of cells along the longer y direction = 20; Desired output Measure…

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                                                  31 Jan 2021 02:56 PM IST

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                                                  Week 9 - FVM Literature Review

                                                  Objective:

                                                  Aim: To write a detailed literature review on FVM ad differences between fvm and fdm ,and explain the need for flux limits and interpolation schemes. FVM: Finite volume method is the most popular method in Cfd and a humongous number of analysis softwares using these methods. finite volume refers to a small volume surrounding…

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                                                  26 Jan 2021 03:52 PM IST

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                                                    Week 7 - Simulation of a 1D Super-sonic nozzle flow simulation using Macormack Method

                                                    Objective:

                                                    Aim: To simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle.To determine the steady-state temperature distribution for the flow-field variables and investigate the difference between the two forms of governing equations i.e Non-conservative and Conservative form by comparing their solutions.…

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                                                    26 Jan 2021 02:13 PM IST

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                                                      Week 5 - Mid term project - Solving the steady and unsteady 2D heat conduction problem

                                                      Objective:

                                                      Aim: To solve 2D Heat flow equation in steady and transient state conditions using 1.Jacobi method 2.Gauss-Seidel method 3.Successive over relaxation method  Introduction: 2D heat conduction is studied in this challenge for various methods of iterations.In real world there is no 2D heat conduction, heat conducts in all…

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                                                      08 Jan 2021 02:04 PM IST

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                                                        Week 3 - Taylor table method and Matlab code

                                                        Objective:

                                                        Aim: To compare Central ,skewed right scheme,skewe left scheme methods by solving a function and explaining the significance of them.we need to find second order derivative with fourth order approximation. Function to be solved: f = exp(x)*cos(x) Procedure for taylors table method: Approximate equation for  skewed…

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                                                        18 Dec 2020 05:25 AM IST

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                                                          Project 1 - Parsing NASA thermodynamic data

                                                          Objective:

                                                          Aim: To write a code to extract Coefficients and temperature values from the given THERMO.dat file and use it to calculate Specific heat  capacity,  enthalpy and entropy.  calculate molecular weight at the given species. Plot graphs  and save them in particular directories using the code  itself.…

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                                                          30 Nov 2020 05:56 PM IST

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                                                            Week 4 - Genetic Algorithm

                                                            Objective:

                                                            Aim: Write a code in matlab to optimise stalagmite function and to find the Global Maximum of the function. Optimization: Optimization is a process of finding the optimised solution to a problem .Its ia an iterative process which analyses the possible solutions for the best solution. It includes maximizing criteria…

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                                                            26 Nov 2020 03:46 AM IST

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                                                              Linear ,CubicFit and SplitWise method using matlab

                                                              Objective:

                                                              Aim: To write code to fit a linear and cubic polynomial for the Cp data and to write a code for splitwise method using matlab. Curve fit: It is a process of constructing a curve or mathematical function which have the closest proximity to the history of data.It helps in oredicting the outcomes without actually conducting…

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                                                              10 Nov 2020 10:49 AM IST

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                                                                Matlab code to animate the transient motion of a simple pendulum

                                                                Objective:

                                                                Aim: Simulate the transient motion of simple pendulum solving ODE of motion of simple pendulum with damping.   Simple Pendulum: A bob or point mass attached to an un expandable string suspended from a fixed support is called simple pendulum.   periodic motion: A simple pendulum having a mass…

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                                                                04 Nov 2020 06:44 AM IST

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