Week - 4 - Crash Box Simulation

Objective: This project will test you on following abilities. Your expertise in the commands that have been taught to you Your ability to research for commands that will do what you intend to do Your skills in excel The final goal is to create an ergonomic and visually appealing excel (.xlsm) report that contains following…

Objective: The ideas is to leave the students with a consolidated utility for all the macros developed during the course of this lecture. Build a master tcl/tk macro It should contain buttons that will call all utilities created as assignments during this course Segregate the buttons as per their utility. Color code the…

Objective: Connector : Create a macro that builds a GUI containing 4 buttons.  Component creator, weld, xloc, yloc, zloc. Upon pressing the buttons corresponding 1D element must be created and moved to the desired collector. Reading nodes from a file : Create a macro that asks a .csv file as input and reads nodes…

Objective: Create element quality check macro for 2D and 3D elements Create a button for each criteria On pressing the button the elements should be highlighted using temp nodes Entry boxes next to the buttons will accept the quality criteria value Problem Statement: To create the tcl script for checking of the element…

Objective: Part A: Create a macro to calculate the midline of a given tubular component Select one end of the lines using line by path Similarly, select the other ends using line by path option Now calculate midline for each pair Combine all these midlines to create a single midline. Part B: Create a macro to create spot…

Objective: Creation of a macro to reflect the FE entities. Code: proc nastran {a t} {set nastran [hm_info templatetype]if {$nastran=="nastran"} {set c $aset d $t*clearmarkall 1*createmark comps 1 $cif {[hm_marklength comps 1 $c]!=0} {puts [tk_messageBox -message "The component already exists" -icon warning -type ok -detail…

Objective: Creation of a macro for creating component and property. Problem statement: When we are working on large models  we everytime need to create  componenets,properties and then we need to assign thickness to therespective component, manually doing this will be a tedious process .So the solution we have…

Objective: PART A: Create a code that displayed free and T edges for displayed elements Free edge color red and T edge cyan Except for edges, all other components must be made transparent Also, temp nodes must be automatically created for “free nodes” for a tolerance value of 0.01 PART B: Also, create a code to turn off…

1.Create buttons to delete displayed geomentric entities Objective:To create the buttons for the deletion of the displayed geometric models. Code: set a .windowcatch {destroy $a}toplevel $a -class toplevelwm title $a "DeleteGeometry"wm geometry $a 240x100+100+200 button $a.01 -text "Delete surfaces" -command "delete surfaces"…

1.Writing a code to display the normals as explained in Lecture 5. Objective:To write the code for displaying the normals Problem statement:Showing of normals displayed in the panel. Code: *clearmarkall 1 *setnormalsdisplaytype 1 *createmark elements 1 "displayed" *normalsdisplay elements 1 Explanation: *clearmarkall 1…

Aim:        To simulate a bird strike which is a non-linear transient dynamic problem with a jet engine blade and we have to evaluate all the reults after the simulation. 1.The given file contains all the parts of the bird strike.We have to seperate them and save in a sub folder. 2.The suitable and…

 Aim:         To create a material card using the data which is extracted from the given true stress-strain curve in the model for graphite iron casting and assign it to the given dog bone specimen. 1.Extract the data from the given curve. 2.Clean the data and verify it with the original given…

 Aim:         To built a material model for the hyper-elasic material using the given data from experimental tensile test and compare the output results for the simulation of a tensile test by using of a dog bone specimen model with the actual experimental results validating the model. Procedure: 1.By using of the engineering…

Aim:         The aim of the challenge is to create the joints by using the CONSTRAINED_JOINTS keywords to demonstrate revolute,spherical, cylindrical and translational joints between the two rigid bodies and two deformable bodies and simulate the joints in LS-Dyna. Procedure: 1. Spherical joint(Rigid…

Aim:        To perform the head impact simulation and calculate the criterion(HIC) value for the following cases. 1) Simple head model impacting against a rigid wall (Case-1). 2) Child headform dummy model impacting against a rigid wall (Case-2). 3) Child headform dummy model impacting against the hood…

Aim: 1.For the use of mass scaling we have to run the runtime of a model and also ensure the stability of mass scaling. 2.We have to reduce the runtime required for running the analysis of the given model by using of mass scaling technique and  stability has to be completely intact. 3.Plot a histogram for camparing the…

Aim: 1. A creation of block with dimensions of 10mm*10mm*10mm which consists of 10 elements and assign the material card given in the challenge to run the simulation on the box. 2.By using on the appropriate conditions boundary conditions apply the tensile load on the created box and compare the results obtained from the…

 Aim:        We have to create the spotweld connections between the two thin plate from the given model by using of the beam and hexa elements from the LS-Dyna. Procedure: 1.Firstly open the LS-Dyna pre-post software and import the given .k file to perform the connections as mentioned.The…

Aim:       To create a fullfilled simulation file for the crash analysis of the given model by having two different thicknesses of 1.2mm and 1.5mm from the given FE model and produce the following outputs. Outputs:- - Input .k file and output files (d3plot, glstat, sleout, rcforc)   - Animation of the…

Introduction:                        The term "drop test" refers to the free fall of a component. It is commonly used to test a product's ability to withstand rapidly applied loads. Because the drop test is one of the functional test requirements for crash frame…

Objective:                 For this challenge we have to solve a simple non-linear problem by using the both implicit and explicit methods. Introduction: Explicit Analysis It is a method for calculating the status of some systems at a time other than the present. It can alternatively…

Aim:         The aim of the challenge is to convert the SI unit systems of the given quantities with all the different types of parameters and also to tabulate the unit system for all the different types of unit systems. Objective:                   The…

Objective:                 For this model we have to perform a parametric study using 3 different values of thickness for the car body.The thickness used in these models are 0.3,0.45 and 0.6 for the car body.And we need to  apply the same conditions as mentioned.  …

Objective:                  For this model we have to  simulate a bullet penetrating into a bucket. In this challenge change the bucket material as non linear and run with three different types of non linear materials such as Stainless Steel NL,Aluminium Alloy NL and…

Objective:                  For this model we have to perform an explicit dynamics simulation on a workpiece Machining with Planer in2 cases. One will be with a cutting velocity of 20000mm/s and the other will be with a cutting velocity of 15000mm/s. Procedure And…

AIM: The main aim is to create volume mesh, surface mesh, Mid surface mesh and 1D mesh wherever required in the given Rear suspension model using ANSA software and providing suitable connections using NASTRAN deck in ANSA software.REAR SUSPENSION MODEL:  The suspension has been an essential component of automobiles as…

Objective:                  For this model we have to analyze  a transient structural analysis on a worm gear assembly.We can use a finer mesh while performing the challenge. PROCEDURE AND EXECUTION: 1.Open the ANSYS workbench in the system. 2.After opening the…

Objective:                  For this model we have to run the analysis for the tension and torsion test on the specimen provided for us. case 1 : For the tension test, displace one end of the specimen to 18mm while keeping the other fixed.  case 2: For the…

OBJECTIVE:                     The aim of the challenge is 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. The three materials must be used…

Objective:                   To perform a transient analysis on a piston and cam mechanism model.Torun the analysis with Frictionless contact, Frictional with 0.1 and 0.2 as the frictional contact for a total of 3 cases.  Procedure And Execution: 1.Open the ANSYS workbench…

Objective:                 For this challenge,we have to simulate the bending of iPhone as per the given cases below 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 &…

Objective:                  The aim of the experiment is to perform the analysis to simulate a sphere pressing on a plate by using Structural steel for both sphere and plate but the material of the plate must be Non Linear and Press the sphere onto plate 4mm downwards…

Objective:                  For the given model we have to perform an analysis to simulate the bending of a wire in ANSYS by using the materials as Copper Alloy (Non Linear), Aluminium Alloy (Non Linear) and Magnesium Alloy ( Non Linear) for the wire alone.   Procedure:…

  Objective                  We 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…

OBJECTIVE: To simulate three different types of welding using three different weld materials.       Case 1 : Stainless Steel: In this case, the material of the plates must also be the same. Use Stainless steel for both weldments and plates.       Case 2 : Aluminium Alloy:…

                                                      ANSYS CHALLENGE 3: SHEET METAL BENDING CHALLENGE   AIM: To evaluate the simulation for sheet metal bending process with…

AIM: 1. The project aims to mesh the given automotive dashboard with 2D elements with respect to the prescribed criteria by extracting mid surface. 2. Assign the thickness for the shell elements according to the parent geometry.   S.No  Quality Criteria  Value  1 Target/Average length   4…

Introduction to Rail Wheel: A train wheel or rail wheel is a type of wheel specially designed for use on railway tracks. A rolling component is typically pushed onto an axle and mounted directly on a railway carriage or locomotive, or Indirectly on a bogie, also called a truck. Wheels are cast or forged and are heat-treated…

Objective : To Understand the concept of Grid Dependency test and run the simulation on the bevel gear using three different mesh sizes i.e. 4mm, 5mm and 6mm and solving the simulation cases to evaluate Von-Mises stress, Equivalent elastic strain and Total Deformation on the bevel gear using Ansys Workbench. Theory on…

OBJECTIVES: 1. To carry out a structural analysis in spur gears using cast iron, cast steel, and cast bronze to obtain maximum stress, deformation, and intensity. 2. To compare the analysis results for three different cases and suggest the best one. METHODOLOGY: 1. Material Assignment The gears were assigned with Cast…

1. Objective: To perform the morphing on model 1 by using the various commands in morph module. To perform morphing on model 2 to change the geometry of the given CAD as per the requirements(i.e., To increase the height of the Dog houses and Ribs). 2. Software tool used : ANSA version 19.0.1 3.Pre-requisities: Morphing:…

CASE: 1 Open Ansys Workbench (I have used Ansys Workbench version: 2021 R1 Student version) Toolbox -> Analysis Systems -> Double click on the  Static Structural Project Schematic:   Engineering Data: Keep the material is “Structural steel” with its all default properties.…

AIM:          To implement connections for a Rear Door FE model. DESCRIPTION: Understand car rear door assembly Understand different types of connections and 1D elements. Perform connections for a FE model. PROCEDURE: Methodology for giving connections Import the FE model Understand the geometry…

 CONCLUSION: Thus,i performed the meshing by using of tetra elements to mesh the volume given in the model by satisfying all the quality parameters and tet collapse.

AIM:           For the given Rearview mirror component, check for the geometrical errors and mesh the Surfaces with the given 2D element Quality criteria and create a volume mesh with good surface quality (i.e. There should not and kinks and dips on the surface of the component). OBJECTIVE:  …

CONCLUSION: Thus,i performed 2D meshing on the given two different models by using of ANSA as shown in below fig.    

AIM:- To mesh the given plastic bottle cap model take the mid surface and assign thickness.Quality criteria as shown below. S.No  Quality Criteria  Value  1 Target/Average length   1 2 Minimum Length  0.5 3 Maximum Length  3 4 Aspect  3 5 Warpage 15 6 Skewness 45 7 Jacobian …

AIM:         For given hood model , take out mid surfaces for all the components in the model,mesh these midsurfaces with given quality criteria, and assign the thickness. GIVEN DATA: Here given data provide are 1.Quality criteria - Every product which has been produced will go through the set of quality…

AIM:- Car side crash analysis by using Hypermesh and Hypercrash. OBJECTIVE: 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 with friction 0.1 as per the reference model.…

OBJECTIVE:- To perform the frontal crash simulation follow the given conditions  Frontal crash-BIW 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 penetrations and intersection. Correct rigid bodies if any issues.…

1. Objective: To generate  the mesh for the given bumper component with the mesh size of 6 mm. To change the parameters for the given crash tube model as various cases.  To plot the graphs with RWALL forces, contact forces, internal energy (Post-processing) & compare the results.   2. Software used: Altair…

1. Objective: To apply the various cases as mentioned in the above question on the given failure johnson cook material. To plot the graphs(Post-processing) with respect to the obatined values from those cases. To compare the obtained results, from those cases.   2. Software used: Altair Hyperworks Desktop 2020.…

OBJECTIVE:-                       To comparison of results with base simulation and improve shell element properties by using Hyper Works 2021.    Case 1 setup and Procedure:-  1.First import the file Select→Import→Import solver deck→File→Import.  2.Next click on the import the model is displayed in the graphical area…

1. Check the material properties of the rail component and calculate the speed of sound in steel rail=_______    I am checking the properties on the starter file this file already given in the assignment and open by using a note pad. I am opening the FIRST_RUN_0000 this is the starter file as shown below.             Actually,…

 OBJECTIVE:-                      To Clean the geometry. Extract mid surface. Clean mid surface geometry. Ignore holes less than dia 5mm. Create a 2D mesh with target length 5mm, min 3.5mm max 7mm. And assign proper thickness, by creating a generic property for…

OBJECTIVE:- To mesh the door inner panel with the given quality criteria file and assign thickness. 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 135 9 Min angle…

Aim:            Meshing the component given and assigning the thickness to that component by giving the target Element Length as 5   Units by using of the quality criteria as mentioned below.         Target Element Length = 5 Units S.N Quality Criteria  Value …

Aim:              We want to connect the given geometry with the 1D connections by provided with the below given quality parameters. Target Element size - 5 Units S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper     …

1.TetraMesh Generation Method:2D to 3D Conversion Aim:         To Create a Teramesh for Housing component with the following quality criteria as         Elements sizes: Min- 2 Units, Target- 5 Units, Max- 7 Units          Tet collapse: 0.15. Procedure:…

Aim: Meshing the component given and assigning the thickness to that component by giving the target Element Length  as 5 Units by using of the quality criteria as mentioned below.        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…

  1A. 1.TITLE:Importing the given model.STEPS:1.Firstly import the model into the workspace.          2.Select the import button on the toolbar and click on the import geometry.          3.Click on the files button to view the model and select on it.     …