Week 8-3D Tetra Meshing Challenge

Objective The objective of the code is to compatibility the code.  Read the data from the data file and take the user input to plot the graph between two variables. If the graph is plotted between pressure and volume. Then calculate the area under P-V diagram. Calculate the power of the engine and specific fuel consumption.…

Objective  Write code to fit a linear and cubic polynomial for the Cp data   Introduction Curve Fitting Curve fitting is the process of constructing a curve or mathematical function, that has the best fit to a series of data points, possibly subject to constraints. Curve fitting can involve either…

Mesh the given component with the following quality criteria   1. First we are going to import the model. The profile we are going to use is OptiStruct. 2. When we change the geometry color mode to be in Topo mode the model color change to green. So from that, we can say that the model is solid. 3. So we are going…

Problem Definition 1. Why and where a CHT analysis is used. 2. We have to maintain the y+ value according to the turbulence model and justify the results.  3. Calculate the wall/surface heat transfer coefficient on the internal solid surface & show the velocity & temperature contours in appropriate areas.…

Mesh the side door with the given Quality Criteria and assign the thickness   Introduction Side Door Panel Door panels serve as an interface between the interior of the car and the inner workings of the door, and between vehicle occupants and the door. They are expected to meet a variety of design specifications…

Mesh the Rear Wheel Holder with the given Quality Criteria and assign the thickness   Introduction Rear Wheel Holder The rear-wheel holder is the part that is mostly situated in the trunk or boot space of the vehicle and is used to keep the extra wheel in case of any emergency or failure. The material used for…

Objective Perform the frontal car crash simulation on the neon car model. In this project, we are going to make sure that there is no penetration and intersection in the model. Create the rigid wall with the friction of 0.1. We have to add the mass in the car to make the total mass of the car to be 700 kg. We have to create…

Objective Perform the side crash simulation on the neon car model. In this project, we are going to make sure that there is no penetration and intersection in the model. Create the rigid wall with the friction of 0.1. We have to add the mass in the car to make the total mass of the car to be 700 kg. We have to create sections…

Objective Code to plot the P-V diagram in the otto cycle and calculate the efficiency of the otto cycle.   Solution Procedure 1. We need to import the math library, plot library for certain calculations and processes. 2. To plot the P-V diagram in the otto cycle and efficiency of the cycle some input values are required.…

Objective Perform the roof crash simulation on the neon car model. In this simulation, we are going to put an impactor in the appropriate location. We are going to create the necessary contact between the car and the impactor. We have to change the boundary condition in the suspension tower and the impactor. We have to…

Create the mesh for bumper assembly with a mesh size of 6mm.  1. First we are going to import the model. The profile we are going to use is OptiStruct. 2. Now we are going to do the geometry clean-up in the mid surface of the bumper.  Before:- Now to fix this error we need to use the Toggle command. To use this…

Objective Comparison of the 7 cases of the behaviour of the element with the changes in the material and element property. We compare the result when the do the changes in the failure card. We are gonna compare the total number of cycles, Energy error, mass error and simulation time, Hourglass energy, etc.  …

Objective Compare the base simulation and with the improved shell element properties. We have to change the run time to be 55 ms and we have to change the steps of the animation to be between 25 to 60. Check the energy error and mass error. We have to plot the rigid wall forces, internal energy, hourglass energy, contact…

Problem  Definition We have to simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle. We will derive both the conservation and non-conservation forms of the governing equations and solve them using MacCormack's technique. We need to determine the steady-state temperature distribution…

1. Check the material properties of the rail component and calculate the speed of sound in steel rail=_______ So to check the material properties of the material of the rail component. We have to import the component in the hypermesh. We have the ".rad" file. So for that, the profile should be RADIOSS. Now we will…

Tetramesh Tetramesh is a 3-D type of mesh. When we talk about the 3-D mesh, Tetramesh is more preferable as compared to the Hexa mesh in the industry. Because we can create the tetramesh easily in the complex geometry as compare to the hexa mesh. We can do the 3-D mesh by two methods. First is we can do the tetramesh from…

Mesh the Geometry with the following quality parameters Target element size:- 5   Connectors Connectors are the entities use to joint two or more components in a model. There are so many connectors in the hypermesh like weld, seam, bolt, rigid element etc.      1. First we are going to import the…

Problem Definition We have 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 the mass flow…

Problem Definition Perform a steady-state conjugate heat transfer analysis on a model of a graphics card. We have to use appropriate materials for the simulation. We have to explain the reason to choose the mesh. 1. Run the simulation by varying the velocity from 1m/sec to 5m/sec for at least 3 velocities and discuss the…

Problem Definition 1. What are some practical CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves? Explain how these mathematical models have been adapted for CFD calculations. 2. Perform the Rayleigh Taylor instability simulation for 2 different mesh sizes with the base mesh being 0.5…

Problem Definition 1.Perform the simulation on half of Ahmed's body (perfectly symmetric) to plot the velocity and pressure contour. 2. Calculate and plot the drag and lift coefficient. 3. Plot the vector plot showing the wake region.   Introduction Ahmed's body The Ahmed body is a generic car body (a simplified vehicle…

Problem Definition We have to simulate the flow over a cylinder and explain the phenomenon of Karman vortex street.    We have to calculate simulate for the following cases:- 1. Simulate the flow with the steady and unsteady case and calculate the Strouhal Number for Re= 100 2. Calculate the coefficient of drag…

Problem Definition We have to set up steady-state simulations to compare the mixing effectiveness when the hot inlet temperature is 360C & the Cold inlet is at 190C for short and long mixing tee. We have to use the k-epsilon and k-omega SST models for the first case and based on the result we have to use the more…

Objective We have to make the simulation work with Symmetry Boundary Condition. We have to obtain results from solving Hagen Poisuelle's equation We have to obtain results from simulating the pipe flow with the wedge BC We have to obtain results for the pipe flow with symmetry BC Write a Matlab program that takes an angle…

Objective Write a program in Matlab that can generate the computational mesh automatically for any wedge angle and grading schemes. We have to make sure that the number of cells along the "axi symmetric"  We have to show that the velocity profile matches with the Hagen poiseuille's equation  We have to show that…

Problem Definition We are going to simulate an incompressible-laminar-viscous flow through the backward facing step geometry. We should perform a transient simulation. The solver can be chosen based on the described physics of the flow. We need to explain the entire simulation procedure (how we set up the case). We should…

Code:- In this program we are going to plot rankine cycle and we are going to calculate the efficiency of the rankine cycle. In this program we are going to extract the values from the Xsteam function. Rankine Cycle is a process which is mostly use in power plant to check the performance of the turbine. Code for this…

Code:- Code in MATLAB to optimise the stalagmite function and find the global maxima of the function. In order to do that we are going to use concept of Genetic Algorithm(GA). GA is a search-based optimisation technique based on the principles of genetics and natural selection.    clear all close…