Phase Field Simulation of Laminated Glass Beam

Area of Science:

• Materials Science
• Mechanical Engineering
• Computational Mechanics

Background:

• Laminated glass offers enhanced safety in structural applications due to its pseudo-ductile post-breakage response.
• The mechanical properties of constituent layers and interfaces significantly influence the laminate's performance after fracture.
• Failure modes include intra-layer cracking and inter-layer delamination, impacting overall structural integrity.

Purpose of the Study:

• To model the complex failure mechanisms of glass laminates under in-plane loading using a phase-field approach.
• To investigate the influence of interlayer properties on the post-breakage behavior of laminated glass.
• To provide a computational framework for analyzing crack patterns and delamination in glass laminates.

Main Methods:

• Utilized a phase-field strategy to simulate failure mechanisms in glass laminates.
• Investigated a simplified two-ply glass laminate model with cohesive interfaces.
• Validated the computational model against existing experimental data from literature.

Main Results:

• Successfully modeled delamination of the adhesive interface within the laminated glass structure.
• Provided a comprehensive description of crack patterns occurring within the glass plies.
• The simulation results align with experimental observations, validating the proposed approach.

Conclusions:

• The phase-field approach effectively captures complex failure mechanisms in laminated glass.
• Understanding constituent properties is crucial for predicting and controlling post-breakage behavior.
• This model serves as a foundation for future experimental validation and real-world application analysis.