Simulating Fractures With Bonded Discrete Element Method.

Area of Science:

• Computer Graphics
• Computational Physics
• Material Science

Background:

• Fracture simulation is crucial for physically-based animation but remains challenging due to continuous changes in material geometry, topology, and mechanical states.
• Existing simulation methods often struggle with the discontinuous nature of fragmentation.
• The Bonded Discrete Element Method (BDEM), while established in engineering, has not been extensively explored for graphics applications.

Purpose of the Study:

• To adapt and introduce the Bonded Discrete Element Method (BDEM) for fracture simulation in computer graphics.
• To explore BDEM's potential for animation design by introducing novel modifications.
• To evaluate the benefits and drawbacks of BDEM for animating material fracture.

Main Methods:

• Proposed a discrete approach using the Bonded Discrete Element Method (BDEM).
• Introduced novel modifications to BDEM for enhanced suitability in animation design.
• Presented examples to demonstrate the method's capabilities and limitations.

Main Results:

• BDEM demonstrates efficient handling of multiple fractures, simple formulation, and good scaling consistency.
• The method's application in graphics is explored, highlighting its potential for animation.
• Identified high computational cost as a critical weakness requiring further investigation.

Conclusions:

• The Bonded Discrete Element Method (BDEM) presents a viable discrete approach for fracture simulation in computer graphics.
• BDEM offers advantages in managing complex fragmentation scenarios but necessitates optimization for computational efficiency.
• Further research is recommended to overcome the computational challenges and fully leverage BDEM's potential in animation design.