Assignment 1

Title : Modelling of Spot Weld using Beam and Solid Element in LS Dyna Objective: The main objective of the simulation is to understand the difference between the modelling of the spot welds in LS Dyna Following are the objectives of the simulation, Model spot weld using beam and solid element. Compare axial and shear…

Title: Crash Analysis of a Crash Box using LS Dyna Objective: To setup the simulation of a crash test of the crash box in LS Dyna with different shell thickness and get the deliverables. Deliverables: a. Input and Output files (.k, d3plot, glstat, nout, etc) b. Cross section force generated at the half length of the crash…

Title: Side Pole Crash Analysis of BIW of Vehicle using Hypermesh and Hypercrash Aim: To setup the side pole crash analysis for RADIOSS solver using Hypermesh and Hypercrash based on the industry standards. Objective: Following are the objectives of the analysis, To check and follow the consistent unit system. To create…

Title: Frontal Crash on BIW Model of DODGE NEON (FMVSS 208) Objective: To observe the travel of force through various regions of the structure, check the crash pulse using accelerometer below B Piller Rocker position, etc using RADIOSS Solver. Tools Used: Hypermesh RADIOSS Hyperview Hypergraph 2D Procedure: The give files…

 Title : Various Formulation Methods for 2D Elements Objective : To understand the various 2D element properties that affect the accuracy and cost of the simulation. Theory : An element undergoes through a large deformations in the crash analysis application. This leads to various accuracy issues of the element. As…

Objective: The objective of this study is to edit the RADIOSS engine file to modify the analysis settings and perform the mesh generation operation on the given components. Giving fundamental understanding of the mesh operation and the engine file of RADIOSS. a. Objectives for Engine file of RADIOSS, Calculate the speed…

Title : Drop Test on Mobile Phone Dummy on a floor Problem Description : This study involves structural impact analysis of a Mobile Dummy on a floor. Free fall of mobile is considered. The stresses in the component is checked in yield for failure. Input: The input .k file for the analysis is used to import the geometry…

 Title: Study of Implicit and Explicit Analysis method. Aim: In this study, it is observed that what are the major differences in the Explicit and Implicit Analysis method in accordance with the solution they offer. And what are the possible areas where they can be used? Implicit Analysis: In Implicit analysis method…

Objective: To understand the conversion factors for the various unit system, as the unit systems used vary according to the industries. Following are some example values of the quantities. Following Table gives the Conversion Factor for various values in the various unit system.   Mass 1 kg Length 1m Time 1s Force…

Title: Study of Crash Tube Analysis with different types of contact interfaces and the effect of a notch on the structure using Hypercrash and Hypermesh RADIOSS The model is a simple Crash Tube at one end of which a rigid body is considered with the circumferential nodes to be considered as slave nodes. Initial Velocity…

Rupture Plate Analysis using Hypermesh (Radioss) CASE 1: LAW2 Eps_max_failure In this case the material is considered as elastoplastic with the parameter as shown below and jhonson failure card is used for failure method. The file (.rad) with the components is ran and following results were obtained, Following are the…

I have learnt following commands and used them, In Geometry part, 1. Distance: To measure the distance between two nodes or points. 2. Defeature: To remove duplicate surfaces. 3.Quick edit: In this command various other command were used for geometry cleanup, like washer split to create washer surface, toggle edge to remove…