Week 3 - 2D meshing for sheet metal

AIM: To perform Meshing on the suspension assembly using ANSA. Objective: To perform the pre-requisites such as, checking for the given CAD goemetry errors & perform the topology clean up. To Generate a 2D mesh with the tria elements for the tyre & rim components.(Because, the given quality criteria is same…

AIM: To perform geometrical cleanup and extracting the midsurface and to generate 2D mesh for the given component.  OBJECTIVE: For the given component, check for the geometrical errors and mesh with the given element Quality criteria. After meshing the component the thickness has to be assigned. Write a detailed report…

AIM: To understand the basics of morphing. OBJECTIVES: 1) Practice all the Morphing techniques that were shown in the video for Model-1.    2) Perform morphing for the Model-2 and Increase the Height of the Dog houses and Ribs.    MORPHING: Morphing is the process of modifying the design of the model…

AIM:To learn how to make connections between parts of the FE model in ANSA. OBJECTIVE: To Create and Apply different PIDs for different components. By using the same technique and the elements as shown in the video, Perform suitable connections for the given Rear door FE model. PROCEDURE: Import the FE model into…

Tool Test -2

AIM: To study and learn Tetra meshing/Unstructured meshing in ANSA. OBJECTIVE: For the given Rear view mirror component, check for the geometrical errors and mesh the Surfaces with the given 2D element Quality criterias given below.    S.No  Quality Criteria  Value  1 Target/Average length   1 2 Minimum Length  0.5 3 Maximum…

Tool_Test_1

AIM: To understand the middle surface extraction and mesh the given plastic component. OBJECTIVE: For the given Plastic Bottle Cap model, check for the geometrical errors and take the mid surface by suitable mid surfacing techniques. PID and Thickness assignment has to be done for all the mid surfaces. Mesh the same…

AIM: To Mesh the given model with the given quality criteria. OBJECTIVE :  For the given Hood model, Take the mid surface for all the components after checking the geometrical errors and mesh the mid surface with the given element Quality criteria. (Refer the table Below for the Quality criteria)    S.No  Quality Criteria …

AIM: To mesh the Rear wheel holder. OBJECTIVE: To mesh the given component with the given quality criteria. Target Element Length = 5 Units S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2 Units 6 Max. Length 8 Units 7 Min angle Quad…

AIM: To Mesh the door inner panel (plastic component). OBJECTIVE: To mesh the given component with the given criteria. Target Element Length = 4 Units S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2 Units 6 Max. Length 6 Units 7 Min angle Quad 45 8 Max angle Quad…

AIM: To create 1D connectors to connect between different components. OBJECTIVE: To Create connector and Attach the various parts of the given model. 1. Right_Rail_2 & Front_truss_1:- Seam-Quad(angled+capped+L) 2. Left_Rail_2 & Front_truss_1:- Quad elements 3. Front_truss_2, Front_truss_1…

AIM:To Create 3D tetra meshing on the given component. OBJECTIVE: To Create a Teramesh for Housing component with the following quality criteria. TetraMesh Generation Method: 2D to 3D Conversion Elements sizes: Min- 2 Units, Target- 5 Units, Max- 7 Units  Tet collapse: 0.15 For the given model, Create a 3D Tetramesh…

AIM: To Meshing of Hood which is provided in the challenge. OBJECTIVE: To set up the quality criteria as given and Mesh the components of Hood.   Element size and Quality Criteria given: Target Element Length = 5 Units S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4…

AIM: To study and create 1D element on the given component. OBJECTIVE: To Mesh the Given component with the Size of 5 Units. Create 1D elements on the following component with given cross-section and DOF. a. Rod element:- Translational DOF should be Constrained with RBE2 link Cross-Section: BOX- Dimension…

Aim:  To 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.   Objective: Part-I - To plot the variation of the mass fraction for CO2,…

AIM: Parametric study on Gate valve. OBJECTIVE:  To perform a parametric study on the gate valve simulation by setting the opening from 10 % to 80%.  Obtain the mass flow rates at the outlet for each design point. Calculate the flow coefficient and flow factor for each opening and plot the graph. Discuss the results of…

AIM : To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop. OBJECTIVE: To write a few words about any four empirical models used to calculate the cyclone separator efficiency.  To perform an analysis on a given cyclone separator model by varying the particle diameter…

AIM: To Perform a steady-state conjugate heat transfer analysis on a model of a graphics card. OBJECTIVES: Run the simulation by varying the velocity from 1m/sec to 5m/sec for at least 3 velocities and discuss the results. Find out the maximum temperature and heat transfer coefficient attained by the processor. Prove that…

AIM: To study the Rayleigh Taylor Instability. OBJECTIVES: What are some practical CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves? In your own words, explain how these mathematical models have been adapted for CFD calculations. Perform the Rayleigh Taylor instability simulation for…

AIM: To study the Conjugate Heat Transfer Analysis using the Exhaust Port. OBJECTIVE: Give a brief description of why and where a CHT analysis is used. Maintain the y+ value according to the turbulence model and justify the results.  Calculate the wall/surface heat transfer coefficient on the internal solid surface…

AIM: To study the aerodynamics of the Ahmed's body and Run the simulation for the velocity of 25 m/sec with the default air properties in fluent. OBJECTIVE:  1. To Describe Ahmed's body and its importance.  2. To Explain the reason for the negative pressure in the wake region.   3. To Explain the significance…

AIM:  To simulate the flow over a cylinder and explain the phenomenon of Karman vortex street. OBJECTIVE: Simulate the flow with the steady and unsteady case and calculate the Strouhal Number for Re= 100. Calculate the coefficient of drag and lift over a cylinder by setting the Reynolds number to 10,100,1000,10000…

OBJECTIVE.  To set up steady-state simulations to compare the mixing effectiveness when hot inlet temperature is 360C & the Cold inlet is at 190C by using   the  k- epsilon and k-omega SST model. And to plot Velocity and temperature contour plots on the cut planes along and across the…

OBJECTIVE. To simulate an axis-symmetric laminar flow through the constant cross-sectional of the pipe by applying the symmetry boundary condition. To simulating for the mentioned angles i.e for 10, 25, 45 degrees using both symmetry and wedge boundary conditions and validate them with HP equations.   Hagen-Poiseuille's…

OBJECTIVE. To simulate an axis-symmetric laminar flow through the constant cross-sectional of the pipe by applying the wedge boundary condition. To validate our results with the Hagen-poiseuille equation.     Hagen-Poiseuille's law: In nonideal fluid dynamics, the Hagen–Poiseuille equation, also known…

FINITE VOLUME METHOD. The finite volume method (FVM) is a method for representing and evaluating partial differential equations in the form of algebraic equations. In the finite volume method, volume integrals in a partial differential equation that contain a divergence term are converted to surface integrals, using the…

OBJECTIVE. To simulate an incompressible-laminar-viscous flow through the backwards-facing step geometry and perform a transient simulation. Case 1 - To Simulate the flow without using any grading factor (i.e., GF = 1) Case 2 -  To Simulate the flow with a grading factor of 0.2. The cells should be finer…

OBJECTIVE. To simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle and To derive both the conservation and non-conservation forms of the governing equations and solve them using MacCormack's technique.  To determine the steady-state temperature distribution for the flow-field variables. …

OBJECTIVE. To solve the 2D heat conduction equation by using the point iterative techniques for steady-state and Transient-state conditions. To write code for both implicit and explicit schemes (This is for the Transient Analysis only). For the Steady state, we have to solve it using three iterative approaches namely, …

OBJECTIVE To Derive the following 4th order approximations of the second-order derivative.           1. Central difference          2. Skewed right-sided difference          3. Skewed left-sided difference To write a program in Matlab to evaluate the second-order derivative of the analytical function `e^(x)*cos(x)` and…

OBJECTIVE To understand the concept of the Rankine cycle and to Create a Rankine Cycle Simulator in Matlab. To plot the corresponding T-s and h-s plots for the given set of inputs.  Given data: Turbine Inlet temperature = T1 = 400° C. Turbine Inlet Pressure = P1 = 30 bars. Turbine Outlet Pressure…

OBJECTIVE To write a function that extracts the 14 coefficients and calculates the enthalpy, entropy, and specific heats for all the species in the data file. To calculate the molecular weight of each species. Tolot the Cp, Enthalpy, and Entropy for the local temperature range (low temperature: high temperature) specific…

OBJECTIVE  To write a code in MATLAB to optimize the stalagmite function and find the global maxima of the function.   What is ga in Matlab? A genetic algorithm is a method for solving both constrained and unconstrained optimization problems based on a natural selection process that mimics the natural process…

OBJECTIVETo write the program that solves the second-order ODE which represents the equation of motion of the simple pendulum and damping.To create an animation of the motion of the pendulum. EQUATION USED    `(d^2theta)/(dt^2)+(b/m)*(d(theta))/(dt)+(g/l)sin(theta)=0`where,g = gravity in m/s2,L…