2D Spallation Simulation for PMMA with ABAQUS/Explicit | ED

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2D Spall Fracture in long rod Simulation Package for ABAQUS — Petrov-Morozov VUMAT for PMMA

Categories Abaqus, Dynamic, Fortran, Fracture & Failure Analysis, Impact Engineering, MATLAB, Paper Based Models, Python, Subroutine

How to simulate 2D axisymmetric spall tests in ABAQUS/Explicit with a VUMAT user subroutine
How to use the Petrov–Morozov failure criterion for rate-dependent fracture in polymers
How to set up an automated spall model in ABAQUS with Python (geometry, mesh, contact, loads)
How to post-process spall data in MATLAB (velocity/stress histories, filtering, pull-back analysis)
How to choose and apply filters (Butterworth, Savitzky–Golay, moving average, Gaussian, Lowess, median) for shock/spall signals
How to validate a VUMAT against analytical solutions for wave propagation and failure time
How to interpret spall signals: pull-back velocity, stress wave propagation, damage onset
How to use the workflow from FEM model → simulation → post-processing for spall experiments and material characterization

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ABAQUS python scripting

VUMAT source (Fortran)
Python automation script for ABAQUS
Example .inp file
MATLAB post-processing script (6 filters)
Sample data file
Usage instructions
Validation documentation
Example result images
License file

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