Articles with "cad models" as a keyword



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On the effects of the fix geometric constraint in 2D profiles on the reusability of parametric 3D CAD models

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Published in 2019 at "International Journal of Technology and Design Education"

DOI: 10.1007/s10798-018-9458-z

Abstract: In order to be reusable, history-based feature-based parametric CAD models must reliably allow for modifications while maintaining their original design intent. In this paper, we demonstrate that relations that fix the location of geometric entities… read more here.

Keywords: constraint; cad; reusability; parametric cad ... See more keywords
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Fast computation of local minimal distances between CAD models for dynamics simulation

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Published in 2018 at "Computer-aided Design and Applications"

DOI: 10.1080/16864360.2017.1419646

Abstract: A complete framework for the fast computation of multiple local minimal distances between complex CAD models represented by their smooth boundaries without any tessellation is presented. It is used... read more here.

Keywords: minimal distances; fast computation; computation local; local minimal ... See more keywords

CAD Model Segmentation Via Deep Learning

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Published in 2020 at "International Journal of Computational Methods"

DOI: 10.1142/s0219876220410054

Abstract: Computer aided design (CAD) models are widely employed in the current computer aided engineering or finite element analysis (FEA) systems that necessitate an optimal meshing as a function of their geometry. To this effect, the… read more here.

Keywords: segmentation; deep learning; cad model; cad models ... See more keywords
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Feature-Based Model Difference Identification for Aerospace Sheet Metal Parts

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Published in 2020 at "Computer-aided Design and Applications"

DOI: 10.14733/cadaps.2021.443-467

Abstract: A semantic model difference identification (MDI) solution can be defined as an MDI solution that identifies and represents the differences between two compared models in terms of meaningful engineering information. Semantic representation of the differences… read more here.

Keywords: difference identification; aerospace sheet; cad models; sheet metal ... See more keywords
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A Framework for Detection of Exact Global and Partial Symmetry in 3D CAD Models

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Published in 2023 at "Symmetry"

DOI: 10.3390/sym15051058

Abstract: The most common way to retrieve symmetry information (i.e., the planes and axes of symmetry) in 3D CAD models is through visual recognition by engineers. However, engineers are not able to visually recognize exact symmetry… read more here.

Keywords: cad; symmetry cad; framework; detection ... See more keywords