Elasto-plastic material modelling and validation using LS-DYNA
In this project, you will learn how to validate the elasto-plastic material model with the given stress-strain data. You will learn the extraction and cleaning of the stress-strain data point from the given curve. Then you will study how to evaluate the hardening curve and give material parameters input to the LS-DYNA software. Finally, you will understand how to extract the stress-strain results from the simulation and compare it with the given data.
- Mechanical/Automotive/Material science/Metal forming
1 month
INR 30,000
Benefits of this Project
In this project, you will learn how to validate the elasto-plastic material model with the given stress-strain data. You will learn the extraction and cleaning of the stress-strain data point from the given curve. Then you will study how to evaluate the hardening curve and give material parameters input to the LS-DYNA software. Finally, you will understand how to extract the stress-strain results from the simulation and compare it with the given data.
What will you do in this project?
Step 1 - Evaluate hardening curve from the given stress-strain curve
Step 2 - Apply boundary conditions and run the simulation
Step 3 - Post-processing in LS-PrePost
Step 4 - Comparing results and material model validation
You will
be performing a tensile test on a dogbone specimen to validate the
elasto-plastic material model.
- Extract and clean the stress-strain data from the given experimental curve.
- Evaluate the hardening curve from the extracted stress-strain data.
- Set-up the tensile test case study by applying required boundary conditions in
LS-PrePost.
- Extract and analyse the stress-strain results in the post-processing phase
- Compare
and validate the stress-strain curve
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Project Highlights
The project is an advanced level project
Pre-requisites
Work with Multiple Tools
Elasto-plastic material modeling and validation using LS-DYNA
In
this project, you will simulate a tensile test on a given dogbone specimen to
validate the elasto-plastic material model in LS-DYNA. The experimental
stress-strain curve is used to extract the data points and further cleaned to
avoid noisy data. You will evaluate the hardening curve from the extracted
stress-strain curve and learn how to give that as an input in LS-DYNA. Understand
conversions from engineering stress-strain curve to true stress-strain curve
and effective stress/effective plastic strain. Understand how to give all boundary
conditions for a tensile test and set up an error-free input file for the
solver. Finally, run the simulation using this input file using the launch manager.
Post-processing would be carried out in LS-PrePost and simulated results would
be compared to validate the material model.