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Week 5

  Objective: For the given component, check for the geometrical errors and mesh with the given element Quality criteria. Use tetra elements to model the component and there should not and kinks and dips on the surface of the component.     S.No  Quality Criteria  Value  1 Target/Average…

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    Read more Projects by Tejas Shankhpal (28)

    Tool Test-2

    Objective:

    Aim: To model an intake manifold using unstructured solid mesh in ANSA V19.1.2 to qualify the required quality parameters. Quality parameter: S.No  Quality Criteria  Value  1 Target/Average length   5 2 Minimum Length  3 3 Maximum Length  7 4 Tetcolapse  0.2 Procedure:  Open…

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    26 Jul 2020 09:41 AM IST

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      Week 5

      Objective:

        Objective: For the given component, check for the geometrical errors and mesh with the given element Quality criteria. Use tetra elements to model the component and there should not and kinks and dips on the surface of the component.     S.No  Quality Criteria  Value  1 Target/Average…

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      23 Jul 2020 09:15 AM IST

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        Tool Test 1

        Objective:

        For this given CAD model, check the geometrical errors and mesh with the given element Quality criteria. After meshing the component the thickness has to be assigned. S.No  Quality Criteria  Value  1 Target/Average length   4 2 Minimum Length  2 3 Maximum Length  6 4 Aspect  3 5…

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        22 Jul 2020 10:09 AM IST

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          Week 4

          Objective:

          The objective of this project is to performing meshing for Bottle Cap using the ANSA tool. From the given Component, Checking geometrical errors and mesh with given element quality criteria Extracting the mid surface from the component. After meshing the component the thickness has to be assigned. Given Quality Criteria…

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          18 Jul 2020 04:35 PM IST

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            Week 3

            Objective:

            The objective of this project is to perform meshing for a given hood model using ANSA. The model is cleaned and checked for errors, then using the given element size, is meshed accordingly. For any meshing process, the following steps are necessary. Geometry checks Surface cleaning (if any) Boundary flagging Meshing Model…

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            14 Jul 2020 07:29 AM IST

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              Assignment 1

              Objective:

              1. Explore the GUI of GT SUITE and list down modules available with brief description. Ans: GT Suite is multiphysics CAE system simulation software. The foundation of GT suite is a versatile multi-physics plateform for constructing models of general systems based on many underlying fundamental libraries: Flow library (Any…

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              09 Jul 2020 10:04 AM IST

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                Assignment 7

                Objective:

                INTRODUCTION:- Fast Running Engine Models are dynamic, fully-physical engine models that are designed specifically to run fast. While high-fidelity engine models are commonplace in the engine performance department, they are often too slow running to incorporate into system level models where long transient events may…

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                09 Jul 2020 09:56 AM IST

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                  Assignment 6

                  Objective:

                  Turbocharger Modelling in GT suite Turbocharger is an mechanical device which boosts extra power and ultimately results in the imporvement in the efficiency of the engine. Types of Turbochargers used are as follows: 1.Fixed Turbocharger. 2.Waste gate Turbocharger. 3.Variable Geometry Turbine. Location of these types of…

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                  26 Jun 2020 10:31 AM IST

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                    Assignment 4

                    Objective:

                    CI Engine Modelling: Comparision between CI and SI Engine CI Engine: 1.Self Ignition Engine. 2.Operates on High Compression ratio. 3.Helical Port is required 4.Diesel or Biodiesel is used 5.Fuel Efficient engine is novelty 6.Due to abnormal Combustion, Denotation occurs 7.Low engine speed range 1000-4000 rpm  8.Emissions…

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                    24 May 2020 12:45 PM IST

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                      Conjugate Heat Transfer Analysis on a graphics card.

                      Objective:

                      Objectives: 1.Find out maximum temperature attained by the processor. 2.Prove that the simulation has achieved convergence with appropriate images and plots. 3. Find out the heat transfer coefficient at appropriate areas of the model. 4. Identify potential hotspots on the model.   1.Geometry. Geomtery is modelled…

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                      06 May 2020 09:20 AM IST

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                        Steady Vs Unsteady flow over a cylinder

                        Objective:

                        This Problem is Solved in 2 steps: UNSTEADY STATE: Geometery & Material Properties: Geometery is modelled in the spaceclaim design modeller.The length of the domain is 60 m whereas diameter of cylinder is 2m. Dynamic viscosity is 0.02 kg/m-s. Density is 1 kg/m^3.   Meshing: Geometery is meshed to appropriate mesh…

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                        06 May 2020 09:17 AM IST

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                          Mixing efficiency

                          Objective:

                          Objective: To compare the mixing efficiency of long tee and short tee. Above problem is solved in three steps. Case 1:For Short tee (momentum ratio 2): a.Geometery: Geomtery is prepared in ansys spaceclaim design modeller, volume is extracted from the geometry for the analysis.         b.Meshing: Geometery…

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                          06 May 2020 09:16 AM IST

                          • CFD
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                          Combustion in Fluent

                          Objective:

                          Possible types of Combustion in fluent:Computational Fluid dyanmics modelling of combustion calls upon the proper selection and implementation of model suitable to faithfully represent the complex physical and chemical phenomenon associated with any combustion process. Types of Combustion are: 1.Based on mixing: 2.Based…

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                          06 May 2020 09:14 AM IST

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                            Emission characterization on a CAT3410 engine

                            Objective:

                            Emission characterization on a CAT3410 engine OBJECTIVE:- To run a 3D simulation of a CAT3410 diesel engine using two different piston bowl profiles and to understand the effect of piston bowl geometry on the performance and emission characteristics of the engine.  GEOMETRY:- A tool called Make engine sector surface…

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                            06 May 2020 09:13 AM IST

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                            Compact Notation Derivation for a simple Mechanism

                            Objective:

                            Reaction Mechanism: `CO+O2 rarr_(k_(r1))^(k_(f1)) CO2+O` `O + H2O rarr_(k_(r2))^(k_(f2)) OH + OH` `CO + OH rarr_(k_(r3))^(k_(f3)) CO2 + H` `H + O2 rarr_(k_(r4))^(k_(f4)) OH + O` kf1 and kr1 represent the forward and backward rate coefficients respectively. The rate equation of all species present in the reaction is given…

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                            03 Mar 2020 01:38 PM IST

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                            Combustion Efficiency Calculation after Preheating

                            Objective:

                            Objective: 1.What is the effect of preheating on the adiabatic flame temperature? Change pre-heating from 298 to 600K Explain your results. For this problem, Methane is considered as fuel and combusted with air. CH4+2(O2+3.76N2)=CO2+2H2O+7.52N2 Code for the problem is given below: import cantera as ct import matplotlib.pyplot…

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                            17 Feb 2020 07:27 AM IST

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                              Transient simulation of flow over a throttle body

                              Objective:

                              Geometery :Geometery is imported to Converge Cfd as stl input file. Simulation Time Parameters: Start Time:0 s End Time:0.01s Boundary Conditions: Inlet Pressure:150000Pa Outlet pressure: 100000Pa Elbow and Throttle Plate: Wall Type Boundary Condition(law of wall) Where as on inlet aas Inflow other as Outflow Material:Air…

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                              15 Feb 2020 02:54 PM IST

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                                Steady state simulation of flow over a throttle body

                                Objective:

                                Geometery :Geometery is imported to Converge Cfd as stl input file. Simulation Time Parameters: Start Time:0 Cycle End Time:15000 cycles Boundary Conditions: Inlet Pressure:150000Pa Outlet pressure: 100000Pa Elbow and Throttle Plate: Wall Type Boundary Condition(law of wall) Where as on inlet as Inflow other as Outflow…

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                                15 Feb 2020 11:54 AM IST

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                                  cyclone seperator challenge

                                  Objective:

                                  Empirical models used for cyclone separator efficiency: 1.IOZIA AND LEITH MODEL: Iozia and Leith (1990) logistic model is a modified version of Barth (1956) model which is developed based on force balance. The model assumes that a particle carried by thevortex endures the influence of two forces: a centrifugal force Z,…

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                                  25 Nov 2019 01:47 PM IST

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                                    Rayleigh taylor instability

                                    Objective:

                                    1.Practical CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves. Kelvin–Helmholtz instability: The theory predicts the onset of instability and transition to turbulent flow in fluids of different densities moving at various speeds.    Richtmyer–Meshkov instability:…

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                                    25 Nov 2019 11:42 AM IST

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                                    Meshing of Cylinder using ANSA

                                    Objective:

                                    1.Geomtery: Geometery is imported in the ANSA from open option from file menu. 2.Meshing Select PID option from the bottom part of the menu. Now Go to presentation parametres and check the checkmark on the Draw cons,mid mode, like in ENT mode. Click Apply and then OK. Now Go to Faces option from the topology menu and select…

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                                    19 Nov 2019 05:07 AM IST

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                                    Gate Valve Parametric Study

                                    Objective:

                                    1.Gate Valve: Gate Valve is a valve that opens up by lifting a barrier or gate out of the path of the fluid.Gate Valve requires very little space along the pipe axis and hardly restricts the fluid flow when the gate is fully opened. 2.Geometry & Material Properties: Geometry is modeled in the Ansys Spaceclaim Design…

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                                    18 Nov 2019 09:30 AM IST

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                                      CHT analysis on an exhaust manifold

                                      Objective:

                                      What is Conjugate Heat Transfer? The term conjugate heat transfer is used to describe processes which involve variations of temperature within solids and fluids, due to thermal interaction between the solids and fluids. A typical example is the heating or cooling of a solid object by the flow of air in which it is immersed.…

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                                      12 Nov 2019 03:42 PM IST

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                                      Ahmed body

                                      Objective:

                                      Q1.Ahmed Body and its Importance: The Ahmed body is a generic car body (a simplified vehicle model).It is a bluff body or rather a generic body for performing external CFD test analysis of an automobile.This model is also used to describe the turbulent flow field around a car-like geometry. Once the numerical model in…

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                                      12 Nov 2019 09:33 AM IST

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                                      Need for Interpolation Schemes and Flux limiters in FVM

                                      Objective:

                                      Need for Interpolation Scheme in FVM: In FVM method we need to calculate the variables at location other than computational nodes. So it becomes necessary to solve the problem using Interpolation Schemes Various Interpolation & Extrapolation Schemes in FVM are: SOU (Second Order Upwind Scheme): In this Scheme we need…

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                                      07 Nov 2019 04:31 AM IST

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                                        BlockMesh Drill down challenge

                                        Objective:

                                        Theory: Backward facing step is to be generated using OPENFOAM which is solved by icoFoam solver of incompressible flow for newtonian fluids. Mesh specification Number of cells along the x direction (longer dimension) = 200 Number of cells along the y direction = 10 Grading factor near all walls = 0.2 Procedure: a.First…

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                                        04 Nov 2019 02:23 PM IST

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

                                        Objective:

                                        This problem is solved for two forms of governing equations that are Conservative and Non conservative form for two types of grids that is 31 & 61: Theory: Maccormack Method is used to solve the Non-Conservative and Conservative form of governing equations which is as shown below:   1.Non-Conservative: Code for…

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                                        31 Oct 2019 05:27 AM IST

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                                          2D Heat Conduction

                                          Objective:

                                          This Problem is solved in two steps: 1.Steady State Conduction through Explicit Method: 2.UnSteady State Conduction through Explicit and Implicit Method: Energy Equation in 2D state is given  by: `(delT)/(delt)+(del(uT))/(delx)+(del(vT))/(dely)=alpha((del^2T)/(delx^2)+(del^2T)/(dely^2))+q` Where First term on the…

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                                          17 Oct 2019 11:12 AM IST

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