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Damage Evolution Simulation of Quasi-Isotropic CFRP Laminate (0-Ply) using Higuchi Damage Model

This video presents a high-fidelity finite element simulation of a quasi-isotropic 0-ply CFRP laminate using the Higuchi damage mechanics model implemented through internal state variables (SDVs).

The simulation captures progressive damage initiation and evolution in composite plies under mechanical loading, providing a physics-based prediction of failure behaviour in laminated composites.

🔬 Model Features:

✅ Quasi-isotropic stacking sequence (0 plies)

✅ Higuchi continuum damage mechanics model

✅ Progressive stiffness degradation

✅ Internal state variable (SDV) tracking

✅ Energy-based damage evolution

✅ Orthotropic ply behaviour

✅ Inter-laminar and intra-laminar damage representation

✅ Damage localization and propagation zones

✅ High-resolution transient solution

📊 Output Variables:

SDV damage parameters

Ply-level degradation fields

Damage concentration zones

Structural integrity indicators

Failure progression maps

🧠 Engineering Applications:

Aerospace composite structures

Aircraft fuselage & wing laminates

Spacecraft composite panels

Automotive CFRP structures

Wind turbine blade laminates

High-performance structural composites

Virtual testing & certification support

Digital twin for composite structures

This simulation demonstrates how advanced damage mechanics models enable realistic prediction of failure mechanisms in laminated composites, far beyond classical linear elastic models.

📌 Research-grade modelling for digital engineering, virtual certification, and high-fidelity composite analysis.

Focused on high-fidelity composite modeling, digital engineering, and physics-based simulation frameworks for advanced structural systems.

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