Detection and elimination of stress singularity
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United States of America Patent
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Apr 14, 2020
Grant Date -
Dec 21, 2017
app pub date -
Jun 16, 2017
filing date -
Jun 17, 2016
priority date (Note) -
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Abstract
A computer-implemented method and system automatically detects stress singularity in a three-dimensional (3D) computer-aided design (CAD) model. A potential area of high stress is detected. A finite element mesh of the 3D CAD model is refined, at least in the potential area of high stress, after which, whether the high stress value converges is determined. A user is alerted that the potential area of high stress is an area having one or more elements of stress singularity. Suggestions are made regarding how to eliminate the stress singularity and the user is enabled to modify the design of the 3D CAD model to eliminate the stress singularity.
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