{"id":26957,"date":"2021-12-05T12:34:00","date_gmt":"2021-12-05T12:34:00","guid":{"rendered":"https:\/\/expleo.com\/global\/en\/?post_type=case-studies&#038;p=26957"},"modified":"2024-01-31T03:41:04","modified_gmt":"2024-01-31T03:41:04","slug":"understanding-vibration-in-a-novel-aircraft","status":"publish","type":"case-studies","link":"https:\/\/expleo.com\/global\/en\/case-studies\/understanding-vibration-in-a-novel-aircraft\/","title":{"rendered":"Understanding vibration in a novel aircraft"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"26957\" class=\"elementor elementor-26957\" data-elementor-post-type=\"case-studies\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7c2c2b2 gg-simple-text gg-container-small-ptb-96 gg-article-content elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7c2c2b2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8bb7cce\" data-id=\"8bb7cce\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-05eb8f6 gg-font-v8 gg-custom-dark-purple-color elementor-widget elementor-widget-heading\" data-id=\"05eb8f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Bold ambitions\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dc37837 gg-font-v9 gg-class-for-iphone8 elementor-widget elementor-widget-text-editor\" data-id=\"dc37837\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>To support a groundbreaking aerospace company with their understanding of the complex elastic behaviour of their current design with specific reference to the interaction between fuselage and rotor dynamics.&nbsp;&nbsp;\u200b<\/li><li>Increased use of digital twins to support design and certification.\u200b<\/li><li>Due to the novel nature of the aircraft and its potential behaviour, a unique method will be required to firstly understand the aircraft from a vibration perspective.\u200b<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7199af2 gg-font-v8 gg-custom-dark-purple-color elementor-widget elementor-widget-heading\" data-id=\"7199af2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Reliable solutions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72ed85e gg-font-v9 gg-class-for-iphone8 elementor-widget elementor-widget-text-editor\" data-id=\"72ed85e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Creation of the airframe FEM and its integration to the aerodynamic model to yield the aeroelastic model that is used to analyse the aircraft in various conditions. Using in-house tools and of MSC\/Nastran<\/li><li>Vibration analysis intended to assess the zonal vibration spectra to ensure a safe flight will be carried out based on an unvalidated model under a limited set of operating conditions.\u00a0\u200b<\/li><li>A series of analysis cases assembled to combine harmonic loads for asynchronous rotors, each with frequency content related to its respective rotational speed. The aircraft configurations include the range of states between its VTOL configuration through transition to forward flight.\u00a0\u00a0\u200b<\/li><li>The series of analysis cases generated to represent various combinations of rotor speeds, assuming these are controlled independently of one another. Combinations of rotor speed selected to provide resonant excitation of airframe normal modes due to beating frequencies of asynchronous rotors.\u00a0\u200b<\/li><li>Part of Expleo\u2018s <strong>DesignSmart \/ SimulationSmart<\/strong> digital offerings<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c5167e8 gg-font-v8 gg-custom-dark-purple-color elementor-widget elementor-widget-heading\" data-id=\"c5167e8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Client benefits<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b6cf74 gg-font-v9 gg-class-for-iphone8 elementor-widget elementor-widget-text-editor\" data-id=\"6b6cf74\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Recommendations for further model validation, rotor loads testing or operational vibration measurements on the GVT and demonstrator aircraft.\u00a0\u00a0\u200b<\/li><li>Assist in the establishment of best practices for test activities to avoid problematic conditions, highlight any safety issues and any opportunities to maximise value gained from tests.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-381b6bc gg-simple-cta-section-grey gg-container-small-ptb-96 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"381b6bc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3a05d13\" data-id=\"3a05d13\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-be66c37 elementor-widget elementor-widget-gravity-advanced-cta\" data-id=\"be66c37\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"gravity-advanced-cta.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <div class=\"gg-advanced-cta\">\r\n            \r\n        <p class=\"gg-advanced-cta__heading gg-tagline-heading-left\">\r\n        <strong>        Manufacturing & Supply Chain        <\/strong>        <\/p>\r\n        \r\n        <h2 class=\"gg-advanced-cta__subheading gg-font-v2\">\r\n                <span>Smart Manufacturing<\/span>                <\/h2>\r\n                <div class=\"gg-advanced-cta__description gg-font-v9\">\r\n            <span>Expleo does not only design, operate and monitor industrialisation processes: our teams will prepare and adapt the production to the factory of the future requirements, increasing efficiency with smart connectivity, planning and modeling.<\/span>        <\/div>\r\n        \r\n        <div class=\"gg-advanced-cta__button-first gg-advanced-cta__button gg-button-v3\">\r\n            <a href=\"https:\/\/expleo.com\/global\/en\/services\/manufacturing-supply-chain\/\">\r\n                learn more            <\/a>\r\n        <\/div>\r\n\r\n                <\/div>\r\n\r\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Due to the novel nature of the aircraft and its potential behaviour, a unique method will be required to firstly understand the aircraft from a vibration perspective.<\/p>\n","protected":false},"featured_media":32324,"template":"","meta":{"_oasis_is_in_workflow":0,"_oasis_original":0,"_oasis_task_priority":"","_angie_page":false,"service-grey-banner":"","service-grey-banner-link":"","footnotes":""},"case-study-single-templates":[],"topic":[145,149],"industry-taxonomy":[46],"country":[],"service":[216,90,209],"class_list":["post-26957","case-studies","type-case-studies","status-publish","has-post-thumbnail","hentry","topic-digital-transformation","topic-engineering-design","industry-taxonomy-aerospace","service-digital-transformation","service-application-development","service-product-process-engineering"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Expleo | Understanding vibration in a novel aircraft<\/title>\n<meta name=\"description\" content=\"The novel nature of the aircraft and its potential behaviour 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