20.500.12556/DKUM-86108 Structural topology optimization of the wheel's spokes of NASA's perseverance rover using advanced discretization techniques magistrsko delo Strukturna topološka optimizacija napera kolesa roverja NASA Perseverance z uporabo naprednih diskretizacijskih metod In the space industry, the continuous effort to reduce the weight of structural components is of utmost importance due to the high cost of launching mass into space. Structural analyses and optimizations with numerical methods play a crucial role in achieving this goal by minimizing material usage while ensuring structural integrity. The objective of this dissertation is to implement and demonstrate the accuracy and effectiveness of meshless methods in numerical studies compared to the Finite Element Method (FEM), focusing on designing cost-effective and lightweight components. Through benchmark examples and extensive research on optimal parameters, the accuracy and effectiveness of these methods are established. Furthermore, practical application is demonstrated by optimizing the spoke of NASA's Rover Perseverance wheel, resulting in more optimized structures with significantly reduced mass and lower mechanical stresses. Additionally, analysis of different materials for the wheel's spoke is performed with the aim of further reducing mass and increasing performance. By utilizing structural optimization, this work not only highlights the diverse applications and benefits of integrating structural optimization in the product design phase but also contributes to the ongoing efforts in the space industry to reduce material mass and enhance performance, addressing the challenges associated with launching mass into space while ensuring the adequate structural resistance. Furthermore, this thesis also contributes to the development of the meshless methods in structural optimization, showcasing its effectiveness and potentials. V vesoljski industriji je nenehno prizadevanje za zmanjšanje teže strukturnih komponent izjemnega pomena zaradi visokih stroškov izstrelitve mase v vesolje. Trdnostne analize in optimizacije z numeričnimi metodami imajo ključno vlogo pri doseganju tega cilja z zmanjševanjem uporabe materiala, pri čemer ohranjajo strukturno celovitost. Cilj te disertacije je implementirati in dokazati natančnost ter učinkovitost brezmrežnih metod v numeričnih raziskavah v primerjavi z metodo končnih elementov, s poudarkom na načrtovanju stroškovno učinkovitih in lahkih komponent. S pomočjo preizkusnih primerov in obsežnih raziskav optimalnih parametrov so bile dokazane natančnost in učinkovitost teh metod. Poleg tega se praktična uporaba demonstrira z optimizacijo napera kolesa roverja NASA Perseverance, kar privede do bolj optimiziranih struktur z znatno zmanjšano maso in nižjimi mehanskimi napetostmi. Dodatno je izvedena analiza različnih materialov za napero kolesa z namenom dodatnega zmanjšanja mase in povečanja zmogljivosti. S pomočjo strukturne optimizacije to delo ne samo poudarja različne aplikacije in koristi integracije strukturne optimizacije v fazo konstruiranja izdelka, temveč tudi prispeva k nenehnim prizadevanjem v vesoljski industriji za zmanjšanje mase materiala in izboljšanje zmogljivosti ter obravnavanju izzivov, povezanih z izstrelitvijo mase v vesolje ob zagotavljanju ustrezne strukturne trdonsti. Poleg tega ta disertacija prispeva k razvoju brezmrežnih metod v strukturni optimizaciji, prikazuje njihovo učinkovitost in potencial. Space technology Mars Rover Structural Optimization Meshless Methods Vesoljska tehologija Marsov rover Strukturna optimizacija Brezmrežne metode true true false [J. Trdin] Angleški jezik Slovenski jezik Magistrsko delo/naloga 2023-10-09 12:22:50 2023-11-08 13:21:29 2023-12-15 03:07:55 0000-00-00 00:00:00 2023 0 Maribor 0 Maribor 1 spletni vir (1 datoteka PDF (XXV, 132 str.)) 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 [519.6:539.4.01]:629.78(043.2) 177557763 MAG_Trdin_Jure_2023.pdf MAG_Trdin_Jure_2023.pdf 1 C836DC48C57534BF64AE7039FD79854E a617a4147b0297769bc4249c04ee8a2dc232cf9b71c81c46adb34cda522c38b8 87fcd5e7-6814-11ee-896e-00155d000105 https://dk.um.si/Dokument.php?lang=slv&id=173483 Fakulteta za strojništvo 0 0 0