Week - 4 - Crash Box Simulation

Objective: The objective of this challenge is to simulate how a crash box behaves during a frontal impact. In this challenge, we have assumed two cases first one is for a 1.2mm thick crash box getting in contact with a rigid wall and the second case is a 1.5mm thick crash box getting in contact with a rigid wall. The units…

Aim: To perform Drop Test of a mobile phone. Procedure: Firstly we need to define materials to the components. Materials: -I have given mat001 (elastic) for the solid mobile phone and mat020 (Rigid) for the shell wall. - I have choose elastic glass material for mobile phone and structural steel for rigid wall. Parts: -As…

What do you mean by Implicit and Explicit Analysis? -We use implicit and explicit solvers to solve any dynamic problems. -The basic difference between implicit and explicit is that, they differ in the approach to time increments. -In implicit analysis each time step has to converge and also we can set longer time increments.…

Conversion of Units from SI to (gm,mm,ms)            (KG,M,S)              (gm,mm,ms)            Mass  1kg                   1000g          Length …

Objective: In this project we are going to run a side pole car(BIW) crash simulation. Procedure: -Firstly, open HyperMesh software and choose RADIOSS profile. -Now, import the 0000.rad file. -Now, Change the units to (Mg mm s) or (Kg mm ms). Here, I have used (Kg mm ms). -Delete all the interfaces defaultly present in…

Objective: The objectve of this project is to run a frontal crash simulation with the requested parameters. Procedure: -Firstly, open HYPERMESH software and choose RADIOSS profile. -You can either run this simulation in HYPERCRASH as well. -Now, import the 0000.rad file to the RADIOSS profile.   -Now, firstly…

Objective: In this challenge we will be understanding about RADIOSS Interfaces and study the effect of notches from the given Crash Tube. Solution: Case-1:  -Open hypemesh software and choose RADIOSS profile. -Import the geometry to Hypermesh software and run the analysis as it is with the default properties.…

Objective: To Compare for different material properties as follows. 1. Total number of cycles, Energy error, mass error and simulation time.2. Notice the animation of all 5 and describe the animations in brief on thebasis of whether the elements are being deleted or cracked.3. Plot energies and notice any difference.…

Objective: The Objective of this assignment is to run and compare the anlysis of a body which is rigid at one end and on the other end it is faced to a rigid wall. When the body is said to be in motion by some external force. compare the deformation of the material with the given material parameters and without any parameters.…

1. The speed of sound C= root(E/rho) from the RADIOSS starter file we have the values of E and rho i.e E= 210000.00 and rho= 0.0078 Hence, speed of sound C= root(210000/0.0078) Therefore, C= 5188.745217 mm/s 2. L=1000 mm 3. Time T= L/C Hence, T= 1000/5188.745217 Therefore, T= 0.19272482231805832758814374446476 s …

Objective: Run a Pre-processor structural analysis for the following geometries by using HYPERMESH RADIOSS profile with the given criteria. Clean the geometry. Extract midsurface. Clean midsurface geometry. Ignore holes less than dia 5mm. Create 2D mesh with target length 5mm, min 3.5mm max 7mm. And assign proper thickness,…

Objective: You have to perform a parametric study using 3 different values of thickness for the car body. Analyse the total deformation and Equivalent stresses acting on the model. Solution: -First, we need to open ANSYS workbench and drop down Explicit Dynamics. -Now, add the required materials which are required to run…

Objective: You have to simulate a bullet penetrating into a bucket. You will need to use 3 different non linear materials for the bucket and analyse their behaviour for the same velocity of bullet. Solution: -First, we need to open ANSYS workbench and drop down the Explicit Dynamic. -Now, we need to add materials into…

Objective: To perform Tension and Torsion test on the specimen. Where in tension test, displace one end of the specimen to 18mm while keeping the other fixed and for the torsion test, you will need to displace one end of the specimen to an angle of 1200 degree. Solution: -Firstly, we need to open ANSYS workbench and drop…

Objective: To perform an Explicit analysis of a Planer cutting operation. We have to work on two cases, first with 20000mm/s velocity and the second with 15000mm/s velocity. The material used for the workpiece is Steel 1006. Solution: -Firstly, we need to open ANSYS workbench and drop down the Explicit Dynamics. -Now,…

Objective: You have to perform a transient structural analysis on a worm gear assembly. Solution: -First, we need to open ANSYS workbench and drop down transient structural. -Now, we have to add the structural steel material to the directory. -After that we need to import the geometry to spaceclaim. If there are any abnormalities…

Objective: You have to simulate the rolling operation on a workpiece made of copper. The model will be provided to you. Increase the length of the workpiece by 60mm and decrease its size on both sides by 8mm. Run the simulation for 14 steps and you can give small but random values for the displacement. Solution: -First,…

Obejective: You have to perform a transient structural analysis on a double universal joint with a spring using three different materials: Structural Steel, Stainless Steel and Titanium alloy(They can all be found in the General Materials section) The three materials must be used on the joint with the springs alone. Solution:…

Objective: Perform a transient analysis on a piston and cam mechanism model that has been provided to you. You need to run the analysis with Frictionless contact, Frictional with 0.1 and 0.2 as the frictional contact for a total of 3 cases. Find out the Equivalent Stress, Directional Deformation and Equivalent Elastic…

Objective: To run the simulation of bending of Iphone. Case 1: Simulate the model as it is given in the video Case 2: Move the bottom fingers from their defined position to the given position X= 22.5mm & Z= 10mm and obtain the results for the simulation. Also define the S-N curve for the Aluminium Alloy material…

Objective: To stimulate a sphere pressing on a table. Which intern allows the plate to deform. Here, we will allow the spere to displace 4mm towards the plate and see weather the plate is having any plastic deformation. Solution: -The materials used are Structural Steel for the sphere and Structural Steel NL for the plate.…

Objective: You will have to perform an analysis to simulate the bending of a wire in ANSYS. You will have to use Copper Alloy (Non Linear), Aluminium Alloy (Non Linear) and Magnesium Alloy ( Non Linear) for the wire alone. Solution: -Firstly, we import the geometry to ANSYS workbench but, before that we add the respected…

Objective: Verification of joints by using three different materials. Case-1: By using Strainless steel. Case-2: By using Aluminium alloy for weld spots and ribs where, using strainless steel for plates. Case-3: By using Bronze for welds and using strainless steel for ribs and plates. The given load to the…

Objective: To perform structural analysis for sheet metal bending on different materials. Case 1:Aluminium Alloy 1199( mentioned in the course video),Copper Alloy NL and Magnesium Alloy NL. Find out the Equivalent stress, Equivalent elastic strain and Total Deformation in Y direction and compare the results…

Objective: Perform a static structural analysis on a railwheel track setup with two different loads and compare stress strain deformation and life for two cases. Solution: In case-1 we need to compare the results for the bearing load for 100000N vs 500000N and also we need to compare total deformation, Equivalent…

Objective: Static structural analysis for a bevel gear using three different mesh size. Compare results obtained from the analysis. Size of mesh being used are 6mm,5mm and 4mm Solution: Grid Dependency: Grid dependency test is the term used to describe the improvements of results by using successively smaller…

Objective: Static Structural analysis for a Spur gear using three different materials. Compare the results obtain by using 3 different materials for Spure gear. Solution: Spur Gear: Spur gears are a cylindrical shaped toothed component used in industrial equipment to transfer mechanical motion as well as control…

From the following cases given below which of these would be prefered from manufacturing point of view and from analysis point of view? Plate with single hole at centre. Plate with multiple holes with one in centre and one on either sides from the centre hole. Solution:  For the 1st case, Plate with single hole. The…

Aim: Generating mid-surface and mesh for a rear wheel holder. Pre-requisites: Geometry HyperMesh software Overview: Importing geometry to HyperMesh software. Topology clean-up the geometry Generating mid-surface. Generating mesh. Cleaning the mesh as per the given quality criteria. Procedure: -Import the given geometry…

Aim: To generate a mid surface and to mesh the Door Inner panel. Pre-requisites: Geometry HyperMesh software Overview: Import geometry to HyperMesh software. Generating mid-surface. Generate mesh  Clean up the mesh as per the quality criteria. Create property cards and assign thickness. Procedure: -Firstly, import…

Aim: To create 1D connections to the given geometry. Pre-requisites: Geometry HyperMesh Overview: Import geometry to Hypermensh software. Generate mesh Clean up mesh Create required connections Procedure: -First import given geometry to HyperMesh software -Generate mesh to the geometry. -Now, create required connections…

Aim:  To generate Tetra mesh for the given geometry with the given quality criteria. Pre-requisites: Geometry HyperMesh software Overview: Import geometry to HyperMesh software Generate mesh  Compare mesh with quality parameters Acquire the quality of the mesh according to given quality parameters Procedure:…

Aim: To generate mid surface and to generate mesh for the given geometry(Hood geometry). Pre-requisites: -Geometry -HyperMesh software Overview: Import geometry to Hyper Mesh software. Generate mid surfaces for each and every component. Generate mesh for each and every component. Equivalence the edges. Procedure: -Firstly,…

Aim: To generate mid-surface from a 2D element and to create 1D elements to it. Pre-requisites: Geometry Hyper Mesh software Overview: Import geometry to Hyper Mesh software Generate mid-surface Create RBE2, RBE3 and spring connections where ever required Create 1D elements to RBE2 and RBE3 connections. Procedure: -Firstly,…

Aim: Meshing for a suspension assembly. Pre-requisites: -Geometry -ANSA software Overview: -Import geometry to ANSA -Topology Cleanup -Extracting mid surface if the thickness is more than 5 mm. -Generating mesh -Cleaning up mesh Procedure: -First, import the given geometry(suspension assesmbly) to ANSA software. -See weather…

Aim: 2D meshing for Dash Board of an automobile. Pre-requisites: -ANSA software -Geometry Overview: -Importing the geomerty to ANSA software -Topology cleanup  -Generating mid surface -Improving the mid surface Procedure: -Import the geometry to ANSA. -Clean the geometry and fix the faces which are failing until no errors…

Aim: To perform morphing for the given components. Pre-requsites: -Geometry -Ansa software Overview: -Importing geometry to ANSA software. -Topology cleanup. -Morphing the required surfaces. Procedure: -Import the geometry in ANSA software. -Morph the required surfaces. -Now, import the other component which is needed…

Aim: Creating connections for the given rear door geometry. Pre-requisites: -Geometry -ANSA Software Overview: -Importing geometry into ANSA. -Create connections where ever it is necessary. Procedure: -Import the given geometry into the ANSA software.   -The most important places to connect are those where the hinges…

Completed in 3 hours.

AIM: Solid meshing the given rear view mirror component with the given quality criteria. Pre-requisites: -Geometry -ANSA Overview: -Importing of geometry into ANSA software -Topology clean up -Creating a mesh for the given geometry -Assigning volome for the geometry -Cleaning the geometry till no tet collapse errors are…

Switch_panal took 3hrs 20 min, but was unable to fill out the off faces. Need assistance there. Component took 2 hrs 50 min, need assistance where the off faces has been formed. 

Aim: 2-D Meshing of sheet metal (Bottle cap) by using ANSA software for the given Quality Criteria. Pre-requisites: -Geometry -ANSA Software Overview: -Importing of geometry into ANSA software. -Topology cleanup. -Extraction of mid surface. -Assigning property card for the mis surface. -Creating a mesh for the geometry.…

AIM:2-D Meshing for a Sheet Metal(HOOD of a Car Bumper) by using ANSA Software for the given Quality criteria. Pre-requisites: - Geometry - ANSA Software Overview:- Importing of Geometry into ANSA software. - Topology Cleanup. - Extraction of mid surface. - Assigning property card for the mid surface. - Creating a mesh…

This figure is between temperature and specific heat within local temperatures. This figure is between temperature and Enthalpy within local temperatueres. This figure is between temperature and Entropy within local temperatures. clear all close all clc %opening NASA thermodynamic data file 'THERMO.dat' in read mode f1…

clear all close all clc %defining our search space x = linspace(0,0.6,20); y = linspace(0,0.6,20); %creating a 2-D mesh [xx yy] = meshgrid(x,y); %evaluating the stalagmite function for i = 1:length(xx) for j = 1:length(yy) input_vector(1) = xx(i,j); input_vector(2) = yy(i,j); f(i,j) = stalagmite(input_vector); end end…

YouTube Link https://youtu.be/KENwGCXh254 Main Code: clear all close all clc b = 0.05; g = 9.81; l = 1; m = 1; %initial conditions theta_0 = [0;5]; %time points t_span = linspace(0,10,500); %solve ode [t, results] = ode45(@(t, theta) ode_func(t, theta, b, g, l, m), t_span, theta_0); %ODE45 is a pre-installed solver which…