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Updated: Jan 4, 2026

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
Published on: February 13, 2021
Source codes and simulation data for the finite element implementation of the conventional and localizing gradient
Subrato Sarkar1, I V Singh1, B K Mishra1
1Department of Mechanical and Industrial Engineering, Indian Institute of Technology Roorkee, Uttarakhand, 247667, India.
This study provides user-friendly ABAQUS source codes for numerical fracture simulations using conventional and gradient damage models. Researchers can now perform advanced fracture analysis with limited computational resources.
Area of Science:
- Computational Mechanics
- Materials Science
- Numerical Analysis
Background:
- Fracture phenomena in components and structures require advanced computational modeling.
- Existing commercial software like ABAQUS may not readily support novel damage models.
- User-defined subroutines offer a powerful method to implement custom computational models.
Purpose of the Study:
- To present source codes and simulation data for numerical fracture simulation in ABAQUS.
- To implement conventional and localizing gradient damage methods for fracture modeling.
- To make advanced computational fracture simulation techniques accessible to researchers with limited resources.
Main Methods:
- Utilizing ABAQUS user-defined subroutines (UEL and UMAT).
- Developing source codes for conventional and localizing gradient damage models.
- Ensuring user-friendly implementation through simple command-line execution.
Main Results:
- Successfully implemented numerical fracture simulation models in ABAQUS.
- Generated simulation data for the specified damage models.
- Demonstrated a user-friendly approach requiring minimal commands.
Conclusions:
- The provided source codes and data facilitate advanced fracture simulations in ABAQUS.
- The implementation enables researchers to leverage sophisticated fracture modeling with accessible computational resources.
- This work enhances the application of gradient damage methods in structural analysis.
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