{"id":881,"date":"2026-04-01T10:07:00","date_gmt":"2026-04-01T01:07:00","guid":{"rendered":"https:\/\/www.muratasoftware.com\/en_wacul_new\/fwp-new-wacul\/?post_type=case&#038;p=881"},"modified":"2026-08-21T17:16:17","modified_gmt":"2026-08-21T08:16:17","slug":"gal012","status":"publish","type":"case","link":"https:\/\/www.muratasoftware.com\/en\/case\/gal012\/","title":{"rendered":"Resonant Frequency Shift of Rotating Fan"},"content":{"rendered":"\n<figure class=\"wp-block-table blockPattern__table\"><table><thead><tr><th>General<\/th><th>When rotating, a fan is deformed due to the centrifugal force and the stress is generated inside the fan.<br>The resonant frequency shift is analyzed by importing the analysis results of deformation and stress.<\/th><\/tr><\/thead><tbody><tr><td>Analysis Model<\/td><td>Static analysis is applied to the fan made of ABS resin.<br>The resonant frequency of the fan is obtained by resonant analysis.<br>By comparing the resonant frequencies where the static analysis result is imported and not imported, shift quantity of the resonant frequency due to the centrifugal force can be analyzed.<\/td><\/tr><tr><td>Result<\/td><td>In this example, the resonant frequency is shifted to the higher side by 50% due to the rotation of 1200rpm is observed.<\/td><\/tr><tr><td>Keywords<\/td><td>Fan,Centrifugal Force,Resonant Frequency,Result Import,Resonant Frequency Shift<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6abb6ee61b17d&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6abb6ee61b17d\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" 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