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Pedestrain Head impact simulation using LS-DYNA

In this project, you will analyse the head impact on the car hood. You will learn how to set-up the case study by giving the required geometry transformations, boundary conditions, material models, contact definitions. Stress, strain, head impact coefficient(HIC) values will be calculated and studied in post-processing.

  • Duration : 1 Month
  • Domain : Mechanical Engineering, Automotive Engineering, Materials Engineering
  • Benefits : In this project, you will analyse the head impact on the car hood. You will learn how to set-up the case study by giving the required geometry transformations, boundary conditions, material models, contact definitions. Stress, strain, head impact coefficient(HIC) values will be calculated and studied in post-processing.
  • Price : 30000
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What will you do in this project?

In this project, you will analyse the head impact on the car hood in LS-DYNA software,

  • Organise the multi include file model using the keywords *INCLUDE, *INCLUDE_TRANSFORMATION, *DEFINE_TRANSFORMATION
  • Set-up the case study by defining required boundary conditions, contact definitions, material models etc in LS-PrePost
  • Run the simulation by using a proper LS-DYNA keyword deck
  • Analysis of results like stress, strain, system energy through the post-processing
  • Calculation of head impact coefficient/criteria (HIC) through LS-PrePost

  • Geometry transformations like rotate/translate using *INCLUDE_TRANSFORMATION, *DEFINE_TRANSFORMATION keywords
  • Defining velocity, elasto-plastic material properties and contacts for headform and the hood
  • Extracting stress-strain plots and calculating the head impact criteria/coefficient (HIC) through LS-PrePost

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Elasto-plastic material modelling and validation using LS-DYNA

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Here, you will set up a car model and perform a roof crash analysis using Hypermesh and solve the model using RADIOSS solver. The model is checked for intersections and penetrations. Errors are debugged and the model is simulated.

Project Highlights

The project is an advanced level project
  • This project is beneficial and relevant to the B.E./ M.Tech/ M.S. students from the mechanical and automotive domain.
  • Its constructive and gainful for working professionals in the crash analysis/mechanical/automotive industry as well.
  • This project will give knowledge of vehicle safety from a crash perspective through pedestrian protection CAE analysis.

,
  • Need some basic knowledge of finite element analysis.
  • Basic knowledge of material properties and pedestrian protection
  • Basic knowledge of LS-DYNA and LS-PrePost

,
  • You will learn how to use preprocessing and postprocessing tool, LS-PrePost
  • Gain knowledge and learn how to use elasto-plastic and elastic material models
  • Understand how to calculate the head injury criteria/coefficient
  • Finally, write a report in MS - WORD or Google DOC

Pre-requisites
  • This project is beneficial and relevant to the B.E./ M.Tech/ M.S. students from the mechanical and automotive domain.
  • It constructive and gainful for working professionals in the crash analysis/mechanical/automotive industry as well.
  • This project will give knowledge of vehicle safety from a crash perspective through pedestrian protection CAE analysis.

,
  • Need some basic knowledge of finite element analysis.
  • Basic knowledge of material properties and pedestrian protection
  • Basic knowledge of LS-DYNA and LS-PrePost

,
  • You will learn how to use preprocessing and postprocessing tool, LS-PrePost
  • Gain knowledge and learn how to use elasto-plastic and elastic material models
  • Understand how to calculate the head injury criteria/coefficient
  • Finally, write a report in MS - WORD or Google DOC

Diverse knowledge
  • This project is beneficial and relevant to the B.E./ M.Tech/ M.S. students from the mechanical and automotive domain.
  • It constructive and gainful for working professionals in the crash analysis/mechanical/automotive industry as well.
  • This project will give knowledge of vehicle safety from a crash perspective through pedestrian protection CAE analysis.

,
  • Need some basic knowledge of finite element analysis.
  • Basic knowledge of material properties and pedestrian protection
  • Basic knowledge of LS-DYNA and LS-PrePost

,
  • You will learn how to use preprocessing and postprocessing tool, LS-PrePost
  • Gain knowledge and learn how to use elasto-plastic and elastic material models
  • Understand how to calculate the head injury criteria/coefficient
  • Finally, write a report in MS - WORD or Google DOC

Pedestrain Head impact simulation using LS-DYNA

In this project, you will set up a case study for head impact simulation in LS-DYNA. Basically, you are supposed to replicate a scenario where the headform will impact the car hood. The headform and hood geometry are provided separately. These geometries should be organised by multiple include keywords. The headform is transformed to make an impact angle between 35-75 degrees and given fixed velocity.  Proper material models and contact definitions are chosen for the given geometries and relevant post-processing results are requested through LS-PrePost. The stress-strain plots, system energy and other global statistics are analysed through the results. Head injury criteria/coefficient (HIC) is also calculated through postprocessing tool LS-PrePost. Based on the HIC value and other results the severity of the impact is interpreted.

  • Perform finite element analysis of the head impact on hood using LS-DYNA software
  • Gain knowledge about Pedestrian protection CAE and understand vehicle safety engineering from a crash perspective
  • Interpret the calculated results through impact simulation

FAQ

Frequently Asked Questions

1How is this project going to help me?

SKILL-LYNC projects are mapped closely with what industry expects. When you work on a SKILL-LYNC project and publish it in your profile, recruiters are automatically notified about your profile.  Your project submissions are graded so that students can get critical feedback on your work

2Can I add this project in my resume?

You bet!

3What are the pre-requisites for this project?

  • A few premium projects might require a prior understanding of fundamental concepts
  • In such a case, you will be given access to appropriate learning materials to first learn those concepts before jumping to the project

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