Thickness-aware E(3)-Equivariant 3D Mesh Neural Networks
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866918036757282816 |
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| author | Kim, Sungwon Lee, Namkyeong Doh, Yunyoung Shin, Seungmin Cho, Guimok Jeon, Seung-Won Kim, Sangkook Park, Chanyoung |
| author_facet | Kim, Sungwon Lee, Namkyeong Doh, Yunyoung Shin, Seungmin Cho, Guimok Jeon, Seung-Won Kim, Sangkook Park, Chanyoung |
| contents | Mesh-based 3D static analysis methods have recently emerged as efficient alternatives to traditional computational numerical solvers, significantly reducing computational costs and runtime for various physics-based analyses. However, these methods primarily focus on surface topology and geometry, often overlooking the inherent thickness of real-world 3D objects, which exhibits high correlations and similar behavior between opposing surfaces. This limitation arises from the disconnected nature of these surfaces and the absence of internal edge connections within the mesh. In this work, we propose a novel framework, the Thickness-aware E(3)-Equivariant 3D Mesh Neural Network (T-EMNN), that effectively integrates the thickness of 3D objects while maintaining the computational efficiency of surface meshes. Additionally, we introduce data-driven coordinates that encode spatial information while preserving E(3)-equivariance or invariance properties, ensuring consistent and robust analysis. Evaluations on a real-world industrial dataset demonstrate the superior performance of T-EMNN in accurately predicting node-level 3D deformations, effectively capturing thickness effects while maintaining computational efficiency. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2505_21572 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Thickness-aware E(3)-Equivariant 3D Mesh Neural Networks Kim, Sungwon Lee, Namkyeong Doh, Yunyoung Shin, Seungmin Cho, Guimok Jeon, Seung-Won Kim, Sangkook Park, Chanyoung Computer Vision and Pattern Recognition Artificial Intelligence Machine Learning Mesh-based 3D static analysis methods have recently emerged as efficient alternatives to traditional computational numerical solvers, significantly reducing computational costs and runtime for various physics-based analyses. However, these methods primarily focus on surface topology and geometry, often overlooking the inherent thickness of real-world 3D objects, which exhibits high correlations and similar behavior between opposing surfaces. This limitation arises from the disconnected nature of these surfaces and the absence of internal edge connections within the mesh. In this work, we propose a novel framework, the Thickness-aware E(3)-Equivariant 3D Mesh Neural Network (T-EMNN), that effectively integrates the thickness of 3D objects while maintaining the computational efficiency of surface meshes. Additionally, we introduce data-driven coordinates that encode spatial information while preserving E(3)-equivariance or invariance properties, ensuring consistent and robust analysis. Evaluations on a real-world industrial dataset demonstrate the superior performance of T-EMNN in accurately predicting node-level 3D deformations, effectively capturing thickness effects while maintaining computational efficiency. |
| title | Thickness-aware E(3)-Equivariant 3D Mesh Neural Networks |
| topic | Computer Vision and Pattern Recognition Artificial Intelligence Machine Learning |
| url | https://arxiv.org/abs/2505.21572 |