Week - 1 - Consistency of Units

AIM: The objective of the report is to perform a combustion simulation using Ansys fluent and validate the results. In the combustor, due to combustion, various flue gases are produced and the mass fractions of the flue gases are plotted.   THEORY: Combustion - Combustion is an exothermic process where, organic…

AIM: The objective of the report is to perform a parametric study on Gate valve using Ansys fluent and validate the results. Parametric study is to be performed for different valve opening percentages and parameters such as mass flow rate, Pressure drop, flow coefficient and flow factor are plotted.    THEORY: A control…

AIM: The aim of the report is to perform an analysis on cyclone separator using Ansys fluent and calculate separation efficiency and pressure drop.    OBJECTIVES: The objectives of the report are -  Discuss the empirical models used to calculate the cyclone separator efficiency.  Perform cyclone separator…

AIM: The aim of the report is to perform steady-state conjugate heat transfer analysis on a graphics card model and validate the results. The conjugate heat transfer analysis is done in which conduction and convection mode of heat transfer takes place simultaneously and simulation is performed by using turbulence…

AIM: The objective of the report is to  Discuss some practical CFD models used to model Rayleigh Taylor model. Perform air and water Rayleigh Taylor instability simulation and validate the results. Perform Rayleigh Taylor instability simulation for water and user-defined material. Discuss the effects of Atwood…

AIM: The objective of the report is to perform a conjugate heat transfer analysis on the exhaust port and validate the results. The conjugate heat transfer analysis is done in which conduction and convection mode of heat transfer takes place and simulation is performed by using turbulence model in Ansys fluent.  …

AIM: Generally, in automobiles, the main parameter that affects the performance is the drag coefficient. As the speed of vehicle increases, the drag force also increases which requires more fuel consumption. The objective of the report is to perform an external flow simulation over an Ahmed body and validate the results.…

AIM: The objective of the report is to simulate flow over a cylinder and explain the phenomenon of Karman vortex street. The flow should be simulated for various Reynolds number using transient and steady-state solvers and results such as Strouhal number, coefficient of lift and coefficient of drag should be validated.…

AIM: To perform steady-state turbulence model simulations in Ansys fluent solver, to compare the mixing effectiveness when hot inlet temperature is 360C and the Cold inlet is at 190C.   OBJECTIVES: To perform turbulence modelling for two versions of mixing tee. Case(1) - Short mixing tee with a hot inlet velocity…

AIM: The objective of the report is to create spherical, revolute, translational and cylindrical types of joints between two rigid bodies and two deformable bodies in Ls-Dyna.   MECHANICAL JOINTS: A mechanical joint is used to connect one or more mechanical parts(links) to another. Most mechanical joints are used…

AIM: The objective of the report is to simulation of bird strike in aero engine model in LS-DYNA and validate the results. The bird strike model is a classic nonlinear transient dynamics problem similar to car crash and mobile drop. While accurate modeling of the problem requires advanced techniques such as SPH, this problem…

AIM: The objective of the report is to perform tensile test for hyperelastic materials by using Mooney Rivlin and Ogden material models and validate the results. ABSTRACT: HYPER ELASTIC MODELS - In plastic elastic materials, the elastic behavior is seen till up to 0.2% of total deformation. Generally, in these materials,…

AIM: The object of the report is to perform simulation of flow through a pipe in OpenFOAM by applying symmetry boundary conditions and validate the results.   PROCEDURE: This report is the continuation of the project [1].  In OpenFOAM, different geometric boundary conditions are used to simulate the model so…

AIM: The object of the report is to perform simulation of flow through a pipe in OpenFOAM and validate the results. THEORY: In nonideal fluid mechanics, the Hagen-Poiseuille equation is also known as Hagen-Poiseuille law. In Haigen-Poiseuille flow, a Newtonian fluid is flowing through a long pipe with a constant cross-section…

AIM: The objective of the report is to simulate the tensile test specimen, where specimen material is modelled by using raw data and validate the results.   PROCEDURE: 1)Material-Processing -  Given, true stress- true strain diagram of Graphite iron casting as shown in the fig. In this report, test data of plot…

AIM: The objective of the report is to perform mass scaling stability analysis for explicit solver and validate the results with implicit analysis.   THEORY: Mass Scaling -  In explicit solver, the time step is decided by using Courant-Friedrichs-Levy criterion. It states that the time step must be smaller than a elastic…

AIM: The objective of the report is to discuss major differences between finite difference method and finite volume method and the need for interpolation schemes and flux limiters in FVM.   LITERATURE REVIEW: FINITE DIFFERENCE METHOD -  In FDM, the differential form of governing equation is solved. The domain…

AIM: The objective of the report is perform a simulation of incompressible-laminar-viscous flow through the backward facing step geometry and validate the results.   PROBLEM STATEMENT: Given, Backward facing step geometry of dimensions - INLET = 0.01 m OUTLET = 0.02 m LENGTH = 0.2 m   FLOW TYPE - Incompressible…

AIM: The objective of the report is to do simulation of 1D super-sonic nozzle flow using the Macormack method and validate the results.     PROBLEM STATEMENT -   Given, a nozzle of length L, where the nozzle inlet is connected to a reservoir. The nozzle is designed in such a way that, in converging section,…

AIM: The objective of the report is to perform HEAD IMPACT SIMULATION and calculate HIC value for various models and validate the results.   PROCEDURE: Pedestrian protection CAE is one of the field of vehicle safety engineering from crash perspective. In pedestrian protection,  conditions are examined such that imparting…

AIM: The objective of the report is to solve steady and unsteady state 2D heat conduction equation by using Implict and Explicit methods and validate the results. PROCEDURE: Given, Heat conduction equation In 2D analysis, the above equation is written as Where, T = Temperature              t = time             α = Thermal…

AIM: The objective of the report is to perform the tensile test with different element formulations and validate the results.   EXPLANATION: Tensile testing is a type of destructive testing used to determine material properties such as yield strength, ultimate tensile strength, ductility, strain hardening characteristics,…

The objective of the report is to find the second-order derivative for the given function by using Central difference, Skewed right-sided differenc and Skewed left-sided difference of 4th order approximations.   FORMULAE -  The order of accuracy P = Number of nodes in the stencil N - order of derivative Q + 1 for symmetric/central…

AIM: The objective is to perform simulation for Beam Spotweld and Solid Spotweld and validate the results.    EXPLANATION: SpotWeld is one of the types of electric resistance welding. Spot welding is used to join metal sheets. In spotwelding, two copper electrodes are used to pass the electric current through…

AIM: The objective is to perform crash test for the crash box and validate the results.   EXPLANATION: The crash box is a component installed on the front side of the vehicle. The main purpose of the crash box is to observe the  Impact/collision energy so that for front-side collisions, it absorbs the shock energy…

AIM: The objective is to perform a drop test for the cell phone model and validate the results. PROCEDURE: Generally, Drop test method is performed on the components to check the structural integrity of a product. By performing these tests, the weaker areas of a product can be visualized and the design engineer has a scope…

AIM: To perform mesh on the suspension assembly cad model by following quality criteria and apply suitable connections.   PROCEDURE: In order to mesh the suspension assembly cad model, certain steps should be followed So that better quality mesh is achieved. First import the cad geometry in the ANSA or any pre-processing…

AIM: To solve the equation F(u) = u^3 + 9u^2 + 4u by using both Explicit and Implicit methods and compare the results with the analytical solution.   EXPLANATION: Generally, in most of the real life situation engineering problems analytical solutions are not possible. So different numerical methods were used to approximate…

AIM : To mesh the given Dash board sub parts cad model by following these quality criteria. S.NO   Quality Criteria          Value   1          Target length               4   2        Minimum length             2       3        Maximum length            6   4             Aspect                     3    5            Warpage …

AIM:  Generally SI unit system is the standard system which is followed world wide. But many industries as per their convenience follow different system of units. LS DYNA don't follow any default system of units. So as per the application, the conversion factors for different system of units is to be find out. …

AIM: To perform morphing for the given cad model.   PROCEDURE: Generally designing of a model is done in any CAD software but design changes can also be done in ANSA GUI. This technique is known as MORPHING. Morphing is a design changing or shape changing without any numerical inputs. In order to perform morphing in ANSA,…

AIM: To create suitable connections for the given rear door cad model.   PROCEDURE: After performing meshing for the cad model, the next step is to make all the available connections. Depends on the type of application, the suitable deck to be selected and connections to be made. For durability analysis Abacus solver deck…

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AIM: To perform unstructured solid mesh for the given rearview mirror cad model. For 2D meshing, the given quality criteria should be followed. S.NO     Quality Criteria    Value    1            Target length         1    2 …

In the instruction, it is mentioned that report is not mandatory, I am not writing the report.

AIM:  Extract mid surface for the given plastic bottle cap model and mesh the given plastic bottle cap model by following the quality criteria. S.NO   Quality Criteria          Value   1          Target length                1   2        Minimum length             0.5       3        Maximum length             3   4   …

AIM : To mesh the given hood cad model by following these quality criteria. S.NO   Quality Criteria          Value   1          Target length               5   2        Minimum length …