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# LS Dyna Consistency of Units

Aim- The aim of this challenge is to convert the given SI unit values of given quantities to all different parameters  & also to prepare consistent unit system table for different unit system. OBJECTIVE:- The objective of this challenge is to convert the given values of the quantity to different system…

Project Details

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Read more Projects by Abisheak Chandran (29)

Objective:

Aim: To perform the Head Impact calculation and calculate the HEAD Impact Criterion (HIC) value for the following cases. Objective: To perform Head impact analysis and calculate the HIC (HEAD Injury criteria/coefficient) value for the following cases Case1: Simple Head Model and Rigid Wall Case2: Child Head-Form and Rigid…

05 May 2024 05:17 PM IST

• CAE

Week-6 Calculate the Stretch Ratio by comparing the ELFORM (-2,-1,1,2) with Ogden_Material Model.

Objective:

CALCULATING THE STRETCH RATIO AND COMPARING THE ELFORM (-2, -1,1,2) WITH OGDEN MATERIAL MODEL USING LS-DYNA AIM: To Create a block of 10mmx10mmx10mm dimension with 10 elements for each direction and use the material card attached (Ogden_Material.k). To Use appropriate boundary conditions to simulate uniaxial tensile…

09 Apr 2022 04:20 AM IST

Week - 5 - Modelling Spotwelds

Objective:

COMPARISON OF SPOTWELD MODELLED AS BEAM AND HEXA ELEMENT USING LS-DYNA AIM: To model spot weld as beam and hexa elements and create a complete simulation file for crash analysis from the given FE model of assembly of parts and produce the following deliverables. Input .k file and output files (d3plot, glstat,…

07 Apr 2022 01:15 PM IST

Week - 3 Drop test Challenge

Objective:

OBJECTIVE The objective of this assignment is not to get a correct simulation but to get a feel of creating an input deck from scratch. I have been provided with a mesh file and a complete simulation of the drop test is made and analysed below.   PROCEDURE: Generally, Drop test method is performed on the components to…

29 Mar 2022 04:53 AM IST

Week - 4 - Crash Box Simulation

Objective:

OBJECTIVE: To simulate a crash test for the given FE model of a crash box using LS-Dyna. Request for the given deliverables and compare the results for a 1.2 mm thick and 1.5 mm thick crash box.   Deliverables ==>   - Input .k file and output files (d3plot, glstat, sleout, rcforc) - Animation of…

27 Mar 2022 01:22 PM IST

Week - 2 - Explicit and Implicit Analysis

Objective:

Objective :             To solve a non linear Equation with both implicit and Explicit Analysis   Explicit Analysis :       It is used to calculate the state of sysytem At a different time from a current time , from the current time Explicit analys is …

27 Sep 2021 01:36 PM IST

Project - 2 - Meshing on the suspension Assembly

Objective:

Rear Suspension Assembly using ANSA- Aim:- To determine the components checks for geometrical errors and providing good mesh flow for each elements in the model by satisfying above all given criteria using surface and volume meshing with a thickness assignment from shell to solid. Additionally, below requirements also…

27 Sep 2021 03:18 AM IST

Project 1 - 2D meshing on the instrumental Panel

Objective:

2D meshing on the instrumental Panel   Aim - To perform mid surface extraction and 2D meshing on the instrument panel according to the given quality criteria. Objective - To do geometric cleanup on the component. To generate a mid surface from the parent component. To Mesh the component according to the given quality criteria.…

18 Sep 2021 08:28 AM IST

Week - 8 - Morphing

Objective:

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:…

12 Sep 2021 03:30 PM IST

Week 6 - Creating connection for Rear door

Objective:

AIM: The main objective is to perform suitable connections for the Rear door of a car using ANSA software and NASTRAN deck [A FEA program is ANSA that is used by the engineers to perform static, dynamic, and thermal analysis across the linear and non-linear domains. In ANSA it is specially used…

27 Aug 2021 05:35 PM IST

Tool Test-2

Objective:

Given Intake manifold component was completed within a day

13 Aug 2021 06:11 PM IST

Week- 5 - Solid meshing

Objective:

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: Understand 3D meshing and different element…

11 Aug 2021 08:26 AM IST

Tool Test 1

Objective:

Tool Test 1 completed (12 hours)

09 Aug 2021 02:35 PM IST

LS Dyna Consistency of Units

Objective:

Aim- The aim of this challenge is to convert the given SI unit values of given quantities to all different parameters  & also to prepare consistent unit system table for different unit system. OBJECTIVE:- The objective of this challenge is to convert the given values of the quantity to different system…

08 Aug 2021 04:19 PM IST

Objective:

AIM: To perform Roof Crush Analysis on the BIW model and Observe Changes in The model with respect to the Different Boundary Conditions in the Simulation and Graph. INTRODUCTION: Crash analysis is an integral part of safety analysis and is often completed at intersections and corridors. The crash…

08 Aug 2021 08:24 AM IST

Week - 4 - 2D meshing for Plastic components

Objective:

1. Objective:   To extract the mid-surface for the given bottle cap model(plastic model). To generate a 2D mesh on the extracted mid-surface. By maintaining the quality criteria mentioned above. And to assign the thickness.   2. Software tool used: ANSA version 19.0.1   3. Procedure:   Step 1: Checking the geometry:…

02 Aug 2021 07:55 AM IST

Week 3 - 2D meshing for sheet metal

Objective:

1. Aim: To extract the mid-surface for the various comonents(such as inner, outer, latch, hinges) of the given hood model. To generate a 2D mesh on the components, based on the qaulity criteria mentioned in the question. And assigning the thickness.   2. Software tool used: ANSA Version 19.0.1…

26 Jul 2021 12:58 PM IST

Assignment 7-Side Pole Crash Simulation Challenge

Objective:

AIM:  Side crash analysis, deck setup using hypermesh and hypercrash. OBJECTIVE:  To check the unit system and either follow [Mg mm s] or [Kg mm ms]. To create the appropriate interface, friction 0.2 and recommended parameters. To make sure of no penetrations and intersections. To correct rigid bodies if any issues. To…

26 Jun 2021 04:31 PM IST

Assignment 6-Frontal Crash Simulation Challenge

Objective:

Crashworthiness Analysis using HyperMesh and Radioss #Project 1 - Frontal Crash Simulation ChallengeAIM: To perform the crash on the frontal section of the car with wall and analysis where stresses are working on it. OBJECTIVES:Frontal crash-BIW1. Checking the unit system and either following [Mg mm s] or [Kg mm ms].2.…

26 Jun 2021 04:30 PM IST

Assignment 5-RADIOSS Interfaces & Study of Effect of Notches Challenge

Objective:

AIM :-  Create the 2D mesh for bumper assembly and connect the crash box with bumper using connectors . mesh size should be 6mm.  create different type of interfaces, assign recommended values to the interfaces and compare the base simulation setup results with different kinmatic condition simulation results.   1. Objective:…

06 Jun 2021 06:18 PM IST

Objective:

AIM: To run crash analysis on the given model by applying different materials laws available in Radioss and post-process the results.   Objective Comparison of the 7 cases of the behaviour of the element with the changes in the material and element property. We compare the result when the do the changes in the failure…

28 May 2021 06:47 AM IST

Assignment 3-2D Element Formulation Challenge

Objective:

AIM: To RUN the simulation in the given model with and without properties and compare the energy and plot graphs according to the Given Conditions.   OBJECTIVE: Comparison of results with base simulation and improved shell element properties 1.Using the crash beam file from the previous assignment, change the run…

20 May 2021 05:24 PM IST

Assignment 2-RADIOSS Engine File Editing & 3D Meshing Challenge

Objective:

Aim: Understanding the basics of ENGINE file editing in radioss.   Objective: 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 it takes for a shock wave to travel from one end of the rail tothe other. 3.Time…

14 May 2021 07:46 AM IST

Week 12:Project 2-Meshing of Rear Wheel Holder challenge

Objective:

1. An New optistruct file was created in Hypermesh and the given solidpart Model was imported By Import option in the geometry pannel. 2.The Given model/component has been checked each face to create the midsurface. 3. Mid surface created Manually for each Body seperately using Offset option In Surface edit pannel. 4.The…

22 Apr 2021 07:30 AM IST

Week 12:Project-1-Meshing of Door Inner Panel Challenge

Objective:

PROCEDURE:   1. An New optistruct file was created in Hypermesh and the Model was imported By Import option in the geometry pannel.   2.The Given model/component has been checked each face to create the midsurface.   3. Mid surface created Manually for each Body seperately using Offset option In Surface…

22 Apr 2021 07:15 AM IST

Week 9-Creation of 1D Connectors Challenge

Objective:

AIM:  To create connector and Attach the various parts In the given Model according to the Given conditions.   PROCEDURE:  1) The give model was imported in an  new optistruct format using import model option. 2) The components are assembled Together in to an single assembly by using Assemblies…

20 Mar 2021 12:01 PM IST

Week 8-3D Tetra Meshing Challenge

Objective:

AIM:     To Perform Tetra mesh for the given elemnt size and quality criteria in given components.   PROCEDURE: 1. An new Optistruct file was created in the Hypermesh and the Given component is imported using Import geometry option. 2.The given Housing model was divided in to 2 components As model 1 and…

19 Mar 2021 10:10 AM IST

Week 6-Meshing of Hood Challenge

Objective:

AIM:      To extract Proper Mid surface and Perform Proper mesh flow in The given Hood model with given quality criteiras.   PROCEDURE:     1. An New optistruct file was created in Hypermesh and the Model was imported By Import option inh the geometry pannel.     2.The Given model/component…

01 Mar 2021 12:07 PM IST

Week 4- Challenge

Objective:

AIM:       To create 1D elements on the Given Brackets with given cross-section and DOF.   PROCEDURE:   1. Import the given CAD model by import Geometry in Hypermesh Optistruct and an paralell bracket was created   2. The plates Of the Brackets are checked for thickness and their midsurfaces…

19 Dec 2020 11:24 AM IST

Showing 1 of 29 projects