Week - 4 - Crash Box Simulation

Introduction The Ogden material model is a hyper elastic material model used to describe the non-linear stress–strain behavior of complex materials such as rubbers, polymers, and biological tissue. The model was developed by Raymond Ogden in 1972. The Ogden model, like other hyper elastic material models, assumes that…

Week 5 - Spot weld modelling   Aim  Run a crash box simulation using beam spotweld and solid hex spotweld and compare the results (axial and shear forces)   Explanation - Modelling of spotweld is very important as it helps as helps to keep thin sheet metals together. - Material modelling and its failure methods are very…

CRASH BOX SIMULATION   AIM: To create a complete simulation file for-crash analysis of crash box having two different thickness of 1.2 mm and 1.5 mm from the given FE model of crashbox and produce the following deliverables.   Input. k file and output files (D3PLOT, GLSTAT, SLEOUT, RCFORC) Animation of the…

Introduction “Drop test” is free fall of component. It is generally performed to check the ability of product to withstand suddenly applied loads. Drop test is one of the functional test requirements of crash frame for certification, hence crash frame has to qualify through the drop testing as per guide lines…

AIM             To study about implicit and explicit method to solve engineering problems. OBJICTIVES             To demonstrated in the PDF, F(u) = u3+9u2+4u use this equation and solve using both Explicit and Implicit Methods with tolerance of 10-2. Explicit: As opposed to Implicit methods, explicit method is a function…

 Objective:- Write a detailed report on unit conversion with calculations and there units. 1) Convert Kg cm ms MASS 1kg = 1000gms. LENGTH 1m = 100cm. TIME 1s = 1000ms FORCE = Force is an external agent capable of changing the state of rest or motion of a particular body. It has a magnitude and a direction.…

  Project 2 - 2D meshing on the instrumental Panel AIM: To perform FE modelling of an Automotive IP trim component by considering the given element Quality criteria. KEYWORDS: Mid-surface Extraction, Shell Meshing. OBJECTIVE:   Introduction to shell meshing i.e. 2D meshing Geometry check & Topological…

Aim:Creating connection for Rear door   Procedure: first Import the File Now,Create suitable Connections In this I have made Rbe2 elements for Bolt because it will be fixed connection.  Go to Rbe2- select many nodes- then select nodes - then click on next- Rbe2 is done. Some Images of Rbe2 elements    …

Aim: To extract the mid-surface of the given plastic component and geometry cleanup for the 2D mid surface meshing. Procedure: 1.Import the given plastic model into ANSA workspace. To import the model, go to FILE > OPEN > select the model and ok. The given plastic component is shown in below image.    …

OBJECTIVE To mesh the given rearview mirror component in both 2D and 3D, after checking the model for geometrical errors and fixing them. Also, to ensure the generated mesh follows the given quality criteria.   QUALITY CRITERIA Shell Elements S.No  Quality Criteria  Value  1 Target/Average length  …

Meshing of Floor Panel Follow the below-mentioned quality criteria, mesh the component given below, and assign thickness: 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…

Week 4 - 2D Meshing for Sheet Metal For the given CCB CAD model, Check for the Geometry cleanup (if required), Take the mid surface, and Mesh it with the below 2D element Quality criteria.  S.No  Quality Criteria  Value  1 Target/Average length   5 2 Minimum Length  3 3 Maximum Length …

2D meshing for Sheet metal 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  Value  1 Target/Average…

Week 12:Project 2-Meshing of Rear Wheel Holder challenge   Aim:  Follow the below-mentioned quality criteria, mesh the component given below and assign thickness: Target Element Length = 5 Units S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper     …

Week 12:Project-1-Meshing of Door Inner Panel Challenge   Aim: Follow the Quality Criteria and mesh the following component 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…

  Aim: Mesh the provided model for given parameters and then connect each component by the relevant connector asked. Target Element size - 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…

  WEEK 8 CHALLENGE AIM: To create a tetramesh on the given components and also satisfying the given quality criteria. PROCEDURE: 1) For Model 1: First import the model in hypermesh. We delete the solids present in the geometry. Then we perform a geometry cleanup on each of the components separately. After performing…

Week 6-Meshing of Hood Challenge Introduction: The movable cover above the engine of a car is referred to as the hood (North American English) or bonnet (Commonwealth English). On some rear-engine and some mid-engine vehicles, hoods can be opened to provide access to the engine compartment or trunk for maintenance and…

  AIM: To create 1D elements on the given component with given cross-section and DOF using Hypermesh SPECIFICATION: a. Rod element:- with only translational DOF and RBE2 link Cross-Section: BOX- Dimension a= 12 mm                            …

Aim : To run the roof crash simulation on the neon car model and plot the graphs for the neon car model in post-processing. Roof Crush - BIW Import • Car• Impactor Transforms • This will require (in order)• A 180° rotation about the global z-axis with the point opposite to C as base point •…

Project 2 : Side pole crash simulation with given BIW frame in RADIOSS   Aim :-  To perform a side pole crash simulation with the given BIW frame in Radioss and request for outputs as mentioned in problem statement. Problem statement :- Neon side crash -BIW Check unit system and either follow [Mg…

Assignment 6-Frontal Crash Simulation Challenge AIM: Frontal crash-BIW   Check unit system and either follow[Mg mm s] or [Kg mm ms]. Create appropriate interface ,friction 0.2 and recommended parameters. Make sure of no penetrations and intersection. Correct rigid bodies if any issues. Create rigid wall with friction…

Assignment 5-RADIOSS Interfaces & Study of Effect of Notches Challenge   Aim :-  To Create the mesh for bumper assembly, mesh size should be 6mm and simulate the given model with seven different cases in radios as per problem statement and compare it using various graphs. Problem statement :-…

Assignment 5-RADIOSS Interfaces & Study of Effect of Notches Challenge   Aim :-  To Create the mesh for bumper assembly, mesh size should be 6mm and simulate the given model with seven different cases in radios as per problem statement and compare it using various graphs. Problem statement :-…

 RADIOSS Material Laws Challenge   Aim: Perform the simulation as per the cases given below. Case 1  Import the FAILURE_JOHNSON_0000.rad file and run the model as it is. Give the title name as Law2_epsmax_failure. Case 2 Import the case 1 rad file, named “Law2_epsmax_failure” and perform…

Assignment 3-2D Element Formulation Challenge Aim:  Comparison of results with base simulation and improved shell element properties 1.Using the crash beam file from the previous assignment, change the run time to 55 ms. 2. Change the number of animation steps during simulation to a minimum of 25 and maximum…

Assignment 2-RADIOSS Engine File Editing & 3D Meshing Challenge   Objective: Engine File Snippet:   Questions: 1. Check the material properties of the rail component and calculate the speed of sound in steel rail=_______ 2. The length of the rail is about 1000 mm.calculate the time takes for a shock wave to travel from…

Objective: Carry out geometry clean-up operation on the given models. Extract mid surface. Clean mid-surface geometry. Ignore holes less than diameter Create a 2D mesh with target length 5mm, min 3.5mm max 7mm. Assign proper thickness, by creating a generic property. Save in .hm format. Procedure  Part 1:   Imported file…

Parsing NASA thermodynamic data   Aim: 1. Write a function that extracts the 14 co-efficients and calculates the enthalpy, entropy and specific heats for all the species in the data file. You will be reading this file NASA thermodynamic data(Tip: use fopen and fgetl). The formulae are shown below.  Here…

Theory of Rankine Cycle – Equations and Calculation Theory of Rankine Cycle Theory:   The Rankine cycle was named after him and describes the performance of steam turbine systems, though the theoretical principle also applies to reciprocating engines such as steam locomotives. The Rankine…

AIM : To study about Genetic Algorithm and to calculate the global maxima of stalagmite function using Genetic Algorithm in MATLAB. OBJECTIVE : To study about Genetic Algorithm and Stalagmite function. To write a code in Matlab to optimise the stalagmite function and find the global maxima of the function.…

Solving the second order ODEs   Aim: Using ODE determine the transient behaviour of a system. taking example as a simple pendulum Objective: Our objective is to write a program that solves the following ODE. This ODE represents the equation of motion of a simple pendulum with damping Theory: The way the pendulum moves…

clear all close all clc %inputes are l1 = 1; l2 = 0.5; x0 = 0; y0 = 0; theta1 = linspace(0,90,40); theta2 = linspace(0,90,40); ct = 1; for i=1:length(theta1) THETA1 = theta1(i); for j = 1:length(theta2) THETA2 = theta2(j); x0 = 0; y0 = 0; x1 = l1*cosd(THETA1); y1 = l1*sind(THETA1); x2 = x1+l2*cosd(THETA2); y2 = y1+l2*sind(THETA2);…