Weathering Effects on Concrete Objects Based on 3D Scanned Examples and Geometric Features

Area of Science:

• Computer Graphics
• Material Science
• Geology

Background:

• Simulating natural phenomena like weathering is crucial for realistic digital content.
• Accurately modeling concrete surface deformation due to weathering presents significant challenges.
• Existing methods often lack sufficient real-world data for precise simulation.

Purpose of the Study:

• To develop an example-based method for simulating concrete surface deformation from weathering.
• To address the challenge of limited before-and-after shape data for weathering processes.
• To correlate erosion characteristics with geometric features for improved simulation.

Main Methods:

• Utilized standardized concrete bricks from real-world environments as examples.
• Estimated original shapes to measure erosion and analyze its relationship with geometric features (curvature, accessibility).
• Applied the derived erosion characteristics to simulate weathering effects on input models based on their geometry.

Main Results:

• Successfully correlated erosion patterns with geometric features of concrete surfaces.
• Developed a method that reproduces varied geometric weathering effects.
• Achieved visually compelling simulation results that mimic real-world erosion.

Conclusions:

• The proposed example-based approach effectively simulates concrete weathering.
• Geometric features play a significant role in the characteristics of weathering erosion.
• This method offers a robust way to generate realistic weathering effects in digital models.