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In the realm of vibration testing, a significant obstacle arises in the form of mass loading. The behavior of a dynamic vibration sample, or device under test (DUT), is profoundly influenced by the additional mass applied to it. This phenomenon is particularly pronounced in vibrating cantilevered beams, and it becomes even more intricate when dealing with curved cantilevered beams like turbine blades. ...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_a28d48bb7b.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_a28d48bb7b.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_f7b274423b.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_f7b274423b.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_86a282810b.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_86a282810b.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_2b680fdf6a.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_2b680fdf6a.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_a28d48bb7b.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/sea\/effects-of-mass-loading","origUid":7487,"readingTime":"5 min","subline":"Effects of mass loading","tags":[{"title":"General R&D","uid":6},{"title":"Automotive & aerospace","uid":3},{"title":"Civil & structural engineering","uid":7},{"title":"Materials research & NDT","uid":9}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"When to choose a laser Doppler vibrometer for vibration measurement","uid":7491,"visits":120},{"authors":[],"datetime":null,"description":"

Climate change is one of the dominating challenges of modern society and industry. Even though steel is one of the worlds most recycled materials, the steel industry remains the largest industrial emitter of carbon dioxide. For a more sustainability and responsible manufacturing, ProSpeed® Laser Surface Velocimeters can assist in process control  ...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_b2c043f173.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_b2c043f173.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_483ef93ce9.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_483ef93ce9.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_7274aa081d.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_7274aa081d.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_76da5f99dd.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_76da5f99dd.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_b2c043f173.jpg","alt":"Steel process control","title":""}},"link":"https:\/\/magazine.polytec.com\/sea\/sustainable-production-in-steel-and-metals-industry","origUid":7326,"readingTime":"3 min","subline":"Sustainable production in steel and metals industry","tags":[{"title":"Production, process & quality","uid":12},{"title":"Automotive & aerospace","uid":3},{"title":"Civil & structural engineering","uid":7}],"technologies":[{"title":"Velocimetry","uid":213}],"title":"Efficient process control using ProSpeed® laser speed and length sensors","uid":7331,"visits":145},{"authors":[],"datetime":null,"description":"

Metamaterials are artificial assemblies of known materials in particular arrangements that result in novel properties not encountered in naturally occurring materials. Among many applications, they hold great promise for vibration insulation, noise control, wave-guiding and energy harvesting technologies. In our work we use reconfigurable LEGO pieces and laser Doppler vibrometry to ...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/1\/9\/csm_wave-propagation-metamaterials_bae509e4f9.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/1\/9\/csm_wave-propagation-metamaterials_bae509e4f9.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/1\/9\/csm_wave-propagation-metamaterials_b6e2d64fc8.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/1\/9\/csm_wave-propagation-metamaterials_b6e2d64fc8.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/1\/9\/csm_wave-propagation-metamaterials_97222e8c41.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/1\/9\/csm_wave-propagation-metamaterials_97222e8c41.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/1\/9\/csm_wave-propagation-metamaterials_a27cb16945.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/1\/9\/csm_wave-propagation-metamaterials_a27cb16945.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/1\/9\/csm_wave-propagation-metamaterials_bae509e4f9.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/sea\/wave-propagation-and-vibrations","origUid":7185,"readingTime":"6 min","subline":"Wave propagation and vibrations of LEGO assemblies","tags":[{"title":"Civil & structural engineering","uid":7},{"title":"Materials research & NDT","uid":9}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"Using toys to investigate the complex physics of quasi-periodic metamaterials","uid":7191,"visits":214},{"authors":[],"datetime":null,"description":"

More and more, the increasing stress on infrastructures provides the challenge of investigating and evaluating the existing structures with regard to safety and the resulting remaining useful life. Reliable, technically feasible and economical solutions for metrological monitoring are necessary in order to guarantee structural safety and fitness for purpose.<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_0fe9a7dfd3.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_0fe9a7dfd3.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_307755a405.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_307755a405.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_56f84b92b5.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_56f84b92b5.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_83a7a35cc2.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_83a7a35cc2.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_0fe9a7dfd3.jpg","alt":"Bridge","title":""}},"link":"https:\/\/magazine.polytec.com\/sea\/validation-on-bridge-superstructures","origUid":7053,"readingTime":"5 min","subline":"Validation on bridge superstructures","tags":[{"title":"General R&D","uid":6},{"title":"Civil & structural engineering","uid":7}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"A modal-based monitoring system","uid":7058,"visits":281},{"authors":[],"datetime":null,"description":"

Noise protection and control play a major role in both professional and private environments. Airborne sound measurements help identify acoustic paths as a means of noise reduction as standard testing method. The underlying sound generation is typically achieved by using omnidirectional sound sources 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