Kindly review my submission for week 4 activities

https://drive.google.com/open?id=1sAk2bfsvTv6fdspZaG7MGhBUddqTUgva

  Objective Create a connector and Attach the various parts of the given model  Right_Rail_2 & Front_truss_1:- Seam-Quad (angled+capped+L) Left_Rail_2 & Front_truss_1:- Quad elements Front_truss_2, Front_truss_1 & Right_Rail_1:- Spot weldwith 3 Layers and 5 mm Diameter…

Objective: Perform Batch-meshing on the following components with the given criteria and assign the non-linear material property Steel to them. Quality Criteria:- S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2mm 6 Max. Length 8mm…

https://drive.google.com/open?id=1Xbm12Lr2gV5IzQz-fnxplDIagSH7AO04   Kindly review week 6 challenge

Project Link https://drive.google.com/open?id=10y8ASep_Hlx5i4DV6TVPxYA3imfSwPeT   Objective: Extract the midsurface of the given component as per given quality criteria S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2mm 6 Max.…

OBJECTIVE: To obtain given measurements in different unit systems listed as below Now, here are a few system of units: Kg cm ms Kg cm s gm mm ms kg m s g cm s g cm us g mm s ton mm s slug ft s kg mm s g cm ms kg mm ms Quantity Value (given unit)     Mass 1 kg Length 1m Time 1 s Force 1 N Stress 1 Pa Energy 1…

OBJECTIVE: Solve the given equation F (u) = u3 + 9u2 + 4u using explicit and implicit method. Write a detailed report stating the   PROCEDURE: The equation of Force: F(u) = u3 + 9u2 + 4u Equation of stiffness can be found as below K = dF/du K = 3u2 + 18u + 4 To solve these equation and find load vs displacement effect…

Objective: To create a basic simulation for drop test of a mobile on rigid plate   Procedure: Open LS prepost and import the keyword file. Go to keyword manager to create and manage different cards. Choose unit system and convert all the relevant properties in those units. Here we have used g-mm-s Create two material…

OBJECTIVE: To create a simulation of crash box impact against a rigid wall at 50kmph using a LS-Dyna using elastic and plastic material and shell thickness of 1.2 mm and 1.5 mm. Based on simulation observe and compare the behaviour of the result Different case that are studied are 1) elastic with 1.2mm 2) elastic with…

OBJECTIVE To model spotwelds for given assembly using beam and solid elements and simulate it and compare the results. Identify the advantages of each method     PROCEDURE The spotwelds can be created using 2 different methods i.e. using beam element and using solid element. The beam element has less complexity…

Objective To simulate a Head impact on a hood at the crash velocity of 20 to 40 kmph and angle 35 to 75 degrees using Ls- Dyna. Find the HIC value for different cases using Ls – Prepost. Perform above mentioned activities by making the use of *include or *include_transform and *define_transformation to understand…

OBJECTIVE: Perform a uniaxial tensile simulation of a solid block (10x10x10 mm) upto stretch ratio of 5 using Ogden material card with different element formulation (1,2,-1,-2) Compare the uniaxial plots for all element formulation.   PROCEDURE Defining the geometry Open the given keyword file containing the Ogden…

OBJECTIVE Use the mass scaling to reduce the simulation time. Ensure mass scaling doesn’t cross 8% and the stability is intact. Use parameters DT2MS and TSSFAC to achieve this. After explicit simulation trials, check its effect on the implicit solution. Note: The times shown in this exercise is the preliminary estimated…

OBJECTIVE Use graph digitizer to extract data point of True Stress vs True Strain of any one graph given below. Use these data points and Create a MAT24_PIECEWISE_LINEAR_PLASTICITY material card for an elastic-plastic material Verify the material card by performing a uniform tensile test on a dogbone specimen   THEORY…

OBJECTIVE Set up a steady state simulation of a mixing tee and compare the effectiveness for following input conditions using Ansys Fluent Hot temperature: 36 oC = 309.15 K Cold Temperature: 19 oC = 292.15 K Velocity (hot): 3m/s Momentum Ratio: velocity at cold inlet/ velocity at hot inlet = 2, 4 Specimen: Short, Long…

OBJECTIVE Use the given material data to build a hyper elastic material cards using Ls-Dyna Build Mooney Rivlin and Ogden material card by finding their constants using d3hsp file Perform uniaxial tensile test on Dogbone specimen with 100% strain (i.e. strain = 1) and compare the stress strain data in above cases   …

OBJECTIVE To build different joint like spherical, revolute, translational and cylindrical in Ls-Dyna. Explore Extra nodes for rigid bodies and constrained nodal rigid body for deformable bodies to build these joints. Build geometry suitable for each joint type.   THEORY Different joints can be built in Ls-Dyna using…

OBJECTIVE Simulate a dummy bird strike in aero engine case. Use the given material data for different objects. If the data insufficient, use reliable sources to get the missing information. Approach: Blades moving at constant rotational velocity, casing is fixed and bird is approaching the engine. Establish a unique numbering…

OBJECTIVE To simulate the flow over cylinder and explain the phenomenon of Karmen Vortex street Part – I Simulate the phenomenon for Re = 100 using steady and transient solver. Calculate the value of Strouhal number. Part – II Calculate the drag and lift coefficient over a cylinder for Re = 10, 100, 1000, 10000,…

OBJECTIVE Generate 2D mesh for the given component using following quality criteria. Also ignore holes less than 5 mm Element size = 5 mm min size = 3.5 mm max size = 7 mm   PROCEDURE The generic process involved in generating mesh is as follows. import the model check the geometry. repair any missing feature or duplicate…

OBJECTIVE  Setup a case for external flow dynamics over an ahmed body. Air flow velocity is 25m/s. Extract following data  Pressure and Velocity contour Drag and lift coefficients  Vector plot for the wake region Also perform grid independece study to optimum output   THEORY Ahmed body is benchmark…

1. Check the material properties of the rail component and calculate the speed of sound in steel rail=_______ Ans:  Given E = 210000 Rho = 0.0078 C = √(E/rho) = √(210000/0.0078) C = 5188.745 m/s or 5188.845 mm/ms   2. The length of the rail is about 1000 mm.calculate the time takes for a…

OBJECTIVE Perform a base simulation and extract important results like total, kinetic, internal, contact and hourglass energies, rigid wall forces Modify the properties (as shown in the below image) and rerun the simulation and compare the results. Determine if both the simulation are acceptable or not.   PROCEDURE Requried…

OBJECTIVE: Setup a case of exhaust port conjugate heat transfer simulation and study the effect of mesh size on the results. Calculate the wall heat transfer coefficient on the internal solid surface Extract velocity and temperature contours Also, explain how to verify the results.   THEORY Conjugate Heat Transfer…

OBJECTIVE Perform simulation using different material conditions as shown in the below image Observe the energy, rigid wall force, stress, and strain compare the results and choose the suitable one for practical application   THEORY Material Models Different Material models discussed in our study are as follows. 1)…

OBJECTIVE Explain different CFD models used for solving Rayleigh Taylor Instability problems Perform a Rayleigh Taylor instability analysis using the Volume of Fluid (VOF) multiphase model for air and water. Repeat the process for water and user-defined material with density = 400 kg/m3, viscosity = 0.001 kg/m-s, and compare…

OBJECTIVE Part I - Create the mesh for bumper assembly, mesh size should be 6mm.  Part II - Follow the instruction given below and run the simulation for a given specimen Run the crash tube model as it is. Change the Inacti=6 and run. Create the type 11 contact and run. Remove both notches and remove boundary conditions…

  Objective: Extract the mid surface of the given component as per the given quality criteria S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2mm 6 Max. Length 6mm 7 Min angle Quad 45 8 Max angle Quad 135 9 Min angle Tria 20  …

OBJECTIVE Setup a case of Conjugate heat transfer in a graphics card (heat generation due to processor). Run the simulation with different air velocity and understand how it helps in heat transfer. Extract the max temperature and max heat transfer coefficient on the processor. Identify differnt hotspots for the case THEORY…

OBJECTIVE Perform a frontal crash simulation of a given BIW of a car against a rigid wall using the following sets of instruction Use a consistent unit system of kg-mm-ms Assign proper interface with a friction coefficient of 0.2 and recommended parameters Ensure no penetration and intersection Rigid wall with friction…

OBJECTIVE Perform a side crash simulation for the given model.+ Follow the below instructions in setting up the case Check unit system and either follow [Mg mm s] or [Kg mm ms]. Create an appropriate interface, friction 0.2, and recommended parameters. Make sure of no penetration and intersections. Create a rigid wall…

OBJECTIVE To perform analysis on Cyclone Separator and calculate separation efficiency for given casesCase I - Size of particle = 5 um, Velocity = 1,2,3,4,5 m/sCase II - Velocity = 3m/s, size of particles = 1,2,3,4,5 um Explain different models used to determine the efficiency of cyclone separator in brief THEORY Cyclone…

OBJECTIVE Part  - 1 Provide a brief explanation to follow topics Explain what is Dynamic Meshing? State a few examples where it is used. Explain what is Fluid Sloshing effect? Is it good or bad? What is UDF? Explain its significance. Explain common errors that occur during a CFD simulation. a) Dynamic mesh failure…

OBJECTIVE Setup gate disc lift as an input parameter and mass flow rate at the outlet as an output parameter Perform the CFD simulation for gate disc lift varying from 10% to 80% Extract mass flow rate at the outlet, flow coefficient, and flow factor. Discuss the results.   THEORY Gate Valve A gate valve, also…

OBJECTIVE Design a Plate with a hole in the center and perform a static structural simulation using Ansys. Discuss the results for the below 2 cases with Boundary condition as left face fixed and a load of 500 N acting on the right face (Pull) CASE 1 - Plate with a hole in the center Case 2 - Plate with multiple holes…

OBJECTIVE: Setup a case of combustion simulation on combustor model with methane-air as fuel and observe the mass fraction of different species and NOx and soot formation for the following 2 cases. Case 1 - Perform regular combustion simulation with Methane-air-2 step mixture and plot the mass fraction of different species…

OBJECTIVE Setup a case of static structural analysis in Ansys for 2 spur gears using 3 different materials i.e. cast iron (Ductile), cast steel, and bronze cast Extract results like deformation, strain, and stress. Compare the results and provide proper inferences based on them. PROCEDURE Step 1 - Engineering Data Add…

OBJECTIVE Explain the process of the Grid Dependency test Setup a case of bevel gear simulation using given sets of input Perform a grid-dependent test for the bevel gear using different mesh element sizes of 6mm, 5mm, and 4mm. Provide inferences based on the results.   GRID DEPENDENCY TEST We know that FEA is a numerical…

OBJECTIVE Setup a case of static structural analysis of Rail Wheel and track setupCase 1: The bearing load is 100000 NCase 2: The bearing load is 5*100000 N Compare the result like Stress, deformation, strain, and life in both cases. Set up an expression for deformation and compare its result with the total deformation…

Objective: Extract the mid surface of the following component Generate 2D mesh with target length = 5 mm and satisfying below quality S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2mm 6 Max. Length 8mm 7 Min angle Quad 45 8 Max angle…

OBJECTIVE Setup a case of static structural simulation to simulate 3 different types of the weld and identify the weld joint which experiences maximum stresses upon application of a similar loading condition Three cases are  Case 1. Stainless Steel: In this case, the material of the plates must also be the same. Use…