Flow over a Backward-Facing Step Channel using Converge CFD

Objective: For the Automobile's BiW Bracket Assy, Geometric cleanup, Meshing, mesh optimization & Connections parameters to be defined for NASTRAN-NVH simulation solving.  In this case, connection setups like RBE2, RBE3-HEXA-RBE3, RBE3-CBUSH-RBE3, Overlap-Shells, Bolts, Seam Welds, Seam Line Joints, etc.…

FULL HYDRO case set up (PFI) & Simulation of 4V- Spark Ignition Engine  Procedures: Preparing an IC Engine to stimulate with no hydro solver using Converge CFD. Solve the surface error issues faced in the ICE CAD model. Setting up the boundary conditions & simulation setup. Base Grid meshing is to…

Objective: For the Automobile's Rear Door part, Connections parameters to be defined for NASTRAN-NVH simulation solving.  In this case, connection setups like RBE2, RBE3-HEXA-RBE3, RBE3-CBUSH-RBE3, Overlap-Shells, Bolts, Seam Welds, Seam Line Joints, etc. were used for their respective applications.   Geometry…

Objective: For the Automobile's Intake Manifold part, geometrical cleanup to be done & to rectify the issues faced during meshing. Surface Mesh will be done under given element Quality criteria. After surface meshing volume meshing will be done under provided quality criteria.   Element Quality Criteria: S.No …

Objective: For the Rear-View mirror part, geometrical cleanup to be done & rectify the issues faced during meshing. Mesh will be done under given element Quality criteria. After meshing the component its thickness will be assigned.   Element Quality Criteria: S.No  Quality Criteria  Value  1 Target/Average…

Objective: For the Molding & Sheet-metal parts, geometrical cleanup to be done & rectify the issues faced during meshing. Mesh will be done under given element Quality criteria. After meshing the component its thickness will be assigned. Below are the two models used in this case setup. Molding Part (Switch Panel):…

Objective: For the bottle cap part, geometrical cleanup to be done & rectify the issues faced during meshing. Mesh will be done under given element Quality criteria. After meshing the component its thickness will be assigned.   Element Quality Criteria: S.No  Quality Criteria  Value  1 Target/Average…

Objective: For the Automobile's Hood component, geometrical cleanup to be done & rectify the issues faced during meshing. Mesh will be done under given element Quality criteria. After meshing the component its thickness will be assigned to sub-parts such as Inner hood, Outer hood & Latches.   Element Quality…

Objective: Create the Ahmed Body slant angle (φ) for both 250 and 350 Run Steady-state implicit coupled flow simulation Use the turbulence models K-OmegsSST and k-epsilon Make sure to research the required y+ conditions to get good results. Validate your velocity profile along the Ahmed body at different points…

Combustion Simulation Aim:        To conduct a combustion simulation in a chamber & to analyze the mass fractions of different species at different locations of the combustor.   1.Types of Combustion Simulation:        There are two possible types of combustion simulations…

Gate Valve Parametric Study Aim:        To conduct a parametric study on the gate valve simulation by setting up 5 design points starting from the valve closed condition to the sequential valve lifting simulation.   Procedures: Generating the CAD Model of Gate Valve using Ansys SpaceClaim. Extracting…

1. Benchmark with presently available cars in the market for the following case.   Mr. D.S. Pughazhyendhii is a married man who lives in Bangalore, which is a highly crowded city. His family comprises of five members including his wife, five-year-old boy, his father and mother. He visits his native place Madurai…

Audi Q5 car’s backdoor was designed considering the driver’s rear viewing aspects & aesthetics. This was done with the help of Siemens NX Cad software.  

Week 5 - Midterm project - Solving the steady and unsteady 2D heat conduction problem.   1-For Steady State Flow: The generalised 2D temperature Equation is, `(∂^2 T )/(∂ x^2) + (∂^2 T)/(∂ y^2) = 0`  We discretize the eqn by central differencing, The Eqn with respect to X becomes, `(∂^2T)/(…

Car's Roof Design Challenge            The roof of a car was designed with the supporting rails & embosses. The distance between the Rails / Bow supports was calculated using Heat Distortion & Snowed Condition criteria. This was done with the help of Seimens NX Cad Software. Design…

Hood Design-2nd Week Mastic Position & Emboss reinforcement Hood Design Iso View                         This is the hood designed as an assignment project in which the inner hood is developed, reinforced,…

Ex-No:1   Report on Underbody Coating Prepared By: Praveen Kumar J Course: BiW in NX CAD   Underbody Coating              A car body or a BiW is constructed with several metals like steel, aluminum, etc. So as per the nature of metals, they react…

The fender of a car is designed considering the international standards & reinforcing embosses were provided along the drip area, bumper mounting & the A-pillar region. This was done using the Siemens NX Cad Software. Fender Wheel Arc Calculation: This is the standard set for the fender wheel arc considering the…

Emission characterization on a CAT3410 engine with open W-Piston & Omega-Piston   Aim:        To compare the emission characteristics of CAT 3410 IC Engine with Open W-Piston & Omega-piston using Converge Studio & ParaView. 1:- Pre-Processing & Setting up Boundry Conditions for…

Procedures: Preparing a channel to stimulate simple flow using Converge CFD. Setting up the boundary conditions & simulation setup. Base Grid meshing is to be done for 3 parameters, Case-1= dx = dy = dz = 2e-3m. Case-2= dx = dy = dz = 1.5e-3m. Case-3= dx = dy = dz = 1.2e-3m. Using CYGWIN to execute the CFD solver…

Procedures: Preparing a channel to stimulate simple flow using Converge CFD. Setting up the boundary conditions & simulation setup. Base Grid meshing is to be  dx = dy = dz = 2e-3m. Using CYGWIN to execute the CFD solver. Use Converge CFD to post convert the output files to ParaView format. Paraview to Post Processing…

 1:- Types of Boundary Conditions Used in CFD: Dirichlet Boundary Condition Neumann Boundary Condition Mixed Boundary Condition Robin Boundary Condition   1.1:- Boundary Condition Applicable for shock flow:      For a successful simulation of this Project, proper boundary parameters must be…

Procedures: Preparing a channel to stimulate simple flow using Converge CFD. Setting up the boundary conditions & simulation setup. Base Grid meshing is to be  dx = dy = dz = 0.001m Grid Control with the following Adaptive Mesh species Sub-Grid Scale conditions, SGS=0.001 Using CYGWIN to execute the CFD solver.…

Procedures: Preparing a channel to stimulate simple flow using Converge CFD. Setting up the boundary conditions & simulation setup. Base Grid meshing is to be  dx = dy = dz = 0.0040m dx = dy = dz = 0.0025m dx = dy = dz = 0.0033m Physical model parameters with the following Super-Cycling Modelling Criteria (SCM)…

Procedures: Constructing a channel to stimulate simple flow using Converge CFD. Length of the channel be L=0.1m & 0.01 for both height & width. Setting up the boundary conditions & simulation setup. Base Grid meshing is to be done for 3 parameters, Case-1= dx = 2e-4m,   dy = 2e-4m,  dz = 2e-4m.…

Procedures: Preparing a channel to stimulate simple flow using Converge CFD. Setting up the boundary conditions & simulation setup. Base Grid meshing is to be  dx = dy = dz = 2e-3m. Using CYGWIN to execute the CFD solver. Use Converge CFD to post convert the output files to ParaView format. Paraview to Post Processing…

Ahmed Body Challenge Aim:         To perform steady-state simulations on flow over Ahmed Car Body geometry studying the flow characteristics of the surrounding air using Ansys Fluent.   Procedures: Generating the CAD Model of a channel with the Ahmed body using Ansys SpaceClaim. Preparation…

Air Mixing efficiency in Tee-Joint Pipe Aim:         To perform 3 steady-state simulations on a short & long mixing tee geometry using Ansys Fluent.   Procedures: Extracting the Fluid volume data from the CAD Model using Ansys SpaceClaim plugin. Mesh Processing. Setting up the boundary…

Rayleigh Taylor Instability Challenge Aim:         To perform Rayleigh Taylor Instability simulation on 2D geometry & studying the flow characteristics using Ansys Fluent.   Procedures: Generating the CAD Model of a tank using Ansys SpaceClaim. Preparation of water body & air…

Exhaust Port Challenge Conjugate Heat Transfer (CHT):          The analysis type Conjugate heat transfer (CHT) allows the simulation of the heat transfer between Solid and Fluid domains by exchanging thermal energy at the interfaces between them. Conjugate heat…

Conjugate Heat Transfer Analysis on a graphics card using Ansys Fluent. Conjugate Heat Transfer (CHT):          The analysis type Conjugate heat transfer (CHT) allows the simulation of the heat transfer between Solid and Fluid domains by exchanging thermal energy at…

 Steady vs Unsteady Flow over a Cylinder Aim:         To perform steady & transient simulations on flow over a cylinder geometry studying the characteristics of the different solvers using Ansys Fluent.   Procedures: Generating the CAD Model of a channel with a cylinder using…

Challenge on Gearbox Sloshing effect Aim:        To analyze the flow pattern of the fluids for the gearbox geometry of two types. One having the distance between the two pinion gears is 115mm & the other having 117mm. There are two kinds of fluid used in these cases which are water & oil.  …

Cyclone Separator Challenge Aim:        To conduct the particle flow simulation in the provided Cyclone separator model to find the efficiency of the separator. This case is said to be solved with four types of Boundry conditions.    Procedures: Generating the CAD Model of Cyclone separator…