{"paper_id":"2b62ee94-025c-49bb-a295-43de3aa18355","body_text":"Optimal Structural Design of a Small-Scale Composite Satellite Including Parametric and Sensitivity Analyses | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Optimal Structural Design of a Small-Scale Composite Satellite Including Parametric and Sensitivity Analyses Ahmed F. Saidelahl, Hani Negm, Mohamed Mahran Kasem This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-7374422/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract The objective of this study is to achieve the optimal structural design of a small-scale composite satellite, using an existing aluminum alloy satellite (SAT-00) as a reference for comparison. The research includes parametric and sensitivity analyses to refine the composite satellite structure, identifying the most effective panel configurations and input parameters for optimization. A novel finite element model, developed in accordance with European Cooperation for Space Standardization (ECSS) guidelines, is employed to conduct static, dynamic, random vibration, and thermal analyses using ANSYS and MATLAB software. A simplified model for the satellite's central plate is developed in MATLAB, while a full structural subsystem model is created in ANSYS. The primary goal is to minimize the satellite’s total weight while complying with ECSS specifications. A Genetic Algorithm is utilized to determine the optimal satellite design through three different optimization models. The study demonstrates a weight reduction of over 26% in the optimized composite satellite (SAT-02) compared to SAT-00. Additionally, dynamic and thermo-elastic analyses are performed to assess the satellite's performance under thermal loads in low Earth orbit (LEO) and to ensure its safety and reliability. Composite Satellite optimization Parametric analysis Satellite thermal analysis Satellite structure finite element analysis Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {\"props\":{\"pageProps\":{\"initialData\":{\"identity\":\"rs-7374422\",\"acceptedTermsAndConditions\":true,\"allowDirectSubmit\":true,\"archivedVersions\":[],\"articleType\":\"Research Article\",\"associatedPublications\":[],\"authors\":[{\"id\":523600411,\"identity\":\"c2ceb15e-feb9-4577-988f-8a480ae23382\",\"order_by\":0,\"name\":\"Ahmed F. 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The research includes parametric and sensitivity analyses to refine the composite satellite structure, identifying the most effective panel configurations and input parameters for optimization. A novel finite element model, developed in accordance with European Cooperation for Space Standardization (ECSS) guidelines, is employed to conduct static, dynamic, random vibration, and thermal analyses using ANSYS and MATLAB software. A simplified model for the satellite's central plate is developed in MATLAB, while a full structural subsystem model is created in ANSYS. The primary goal is to minimize the satellite\\u0026rsquo;s total weight while complying with ECSS specifications. A Genetic Algorithm is utilized to determine the optimal satellite design through three different optimization models. The study demonstrates a weight reduction of over 26% in the optimized composite satellite (SAT-02) compared to SAT-00. 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