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.
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.
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