Pedestrain Head impact simulation using LS-DYNA

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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.

Mechanical Engineering
Automotive Engineering
Materials Engineering

Duration :

1 month

Project Fees :

INR 30,000

Benefits of this Project

What will you do in this project?

Step 1 - Geometry transformation and case set-up

Step 2 - Effective strain values calculation after the impact

Step 3 - Effective stress values calculation after the impact

Step 4 - HIC value and energy calculation through LS-PrePost

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

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Showing 1 of 3 projects

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.