Graph-based heuristics for recognition of machined features from a 3D solid model
Computer-Aided Design
Parametric and Feature Based CAD/Cam: Concepts, Techniques, and Applications
Parametric and Feature Based CAD/Cam: Concepts, Techniques, and Applications
Using Finite Elements in Mechanical Design
Using Finite Elements in Mechanical Design
Shape Description By Medial Surface Construction
IEEE Transactions on Visualization and Computer Graphics
Comparing Images Using the Hausdorff Distance
IEEE Transactions on Pattern Analysis and Machine Intelligence
A medical-axes-based interpolation method for solidification simulation
Finite Elements in Analysis and Design
Three-dimensional shape searching: state-of-the-art review and future trends
Computer-Aided Design
Shape-based searching for product lifecycle applications
Computer-Aided Design
A multidimensional segmentation evaluation for medical image data
Computer Methods and Programs in Biomedicine
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Mid-surface models are widely used in engineering analysis to simplify the analysis of thin-walled parts, but it can be difficult to ensure that the mid-surface model is representative of the solid part from which it was generated. This paper proposes two similarity measures that can be used to evaluate the quality of a mid-surface model by comparing it to a solid model of the same part. Two similarity measures are proposed; firstly a geometric similarity evaluation technique based on the Hausdorff distance and secondly a topological similarity evaluation method which uses geometry graph attributes as the basis for comparison. Both measures are able to provide local and global similarity evaluation for the models. The proposed methods have been implemented in a software demonstrator and tested on a selection of representative models. They have been found to be effective for identifying geometric and topological errors in mid-surface models and are applicable to a wide range of practical thin-walled designs.