The Difficulty of Nonparametric Optimization! Introduction to a Technical Column
In the previous discussion, I explained that the checkerboard phenomenon is a challenging issue in topology optimization. I also discussed a technique called filtering as a workaround, but highlighted the difficulty in finding the right balance for its application. Additionally, a completely different approach has been proposed to avoid the checkerboard pattern without modifying the optimization problem. This idea involves using design variables at the nodes rather than at the elements, and interpolating within elements using a C^0 continuous function. Please feel free to download and take a look. [Contents] ■ Episode 5: The Difficulty of Nonparametric Optimization Part 4 "Wavy Phenomenon" *For more details, please refer to the PDF document or feel free to contact us.
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Kuin Co., Ltd. is a venture business company specializing in computational mechanics and CAE software development, founded with a strong desire to "enter the overwhelmingly overseas-dominated CAE software field with original Japanese products." We are committed to originality and operate under the motto "Dreamy CAE from Japan," focusing on the development, sales, and support of our own CAE software. ≪Software≫ ● Structural Optimization OPTISHAPE-TS Useful for various situations such as initial design stages and improvements to existing shapes. ● CAD Model Generation S-Generator Converts optimized shapes into CAD models. ● Image-Based Structural Analysis VOXELCON Directly models and analyzes CT images and STL data from CAD. ● General Parameter Optimization AMDESS Parameter optimization done with the ease of using spreadsheet software. ● SOLIDWORKS Add-in Structural Optimization HiramekiWorks Performs structural optimization within SOLIDWORKS and automatically generates CAD models of the resulting shapes.
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