Design, Fabrication, and Properties Evaluation of Novel Nested Lattice Structures

Bhat, Chinmai; Kumar, Ajeet; Lin, Shaw‐Tao; Jeng, Jeng Ywan

doi:10.2139/ssrn.4273779

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“…Yang et al [75] utilized topology optimization to create a unique unit cell, which they recognized had a similar microstructure to that of a cuttlefish bone, calling the cell "CLL" (cuttlebonelike lattice). Bhat et al [268] began their nested-lattice creation with a seaurchin inspired shell lattice, noting that it is nearly a replica of the Schwarz-P TPMS topology.…”

Section: A41 Topologymentioning

confidence: 99%

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Multiscale Impact Mechanics of Additively Manufactured Periodic Cellular Solids

Bernard

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Cellular materials are well known to have superior weight-specific properties, including Energy Absorption (EA) capabilities, as compared to solid, monolithic materials. Regular periodic lattice materials, which are a subset of cellular materials, are I would like to begin by thanking my supervisor Dr. Mostafa El Sayed, without whom I would have been unable to see this work through to completion. His persistent push to challenge me helped me grow academically and I truly appreciate all of his guidance and encouragement throughout the entire thesis process, which can be rather tense during the best of times but was a unique process to start, continue, and end during a pandemic, which was an ever-present looming shadow.I would also like to acknowledge the guidance of Dr. Muhammet Yalcin, with whom I had the pleasure of working with in 2022 and with whom I am looking forward to finishing the publication of a few additional papers from our work together.I would also like to sincerely thank BOMBARDIER Aerospace, Montreal, together with MITACS, Canada, for their financial support of this research.Additionally, thank you to my peers: Padmassun for his quick and detailed Python and regex help; and Ariane for her Ansys SpaceClaim guidance, supportive words, and the helpful encouragement to simply write a bit of code to do my repetitive tasks automatically.Thank you to my family -mom, dad, and Kael -for their continual support throughout this seemingly unending academic journey. I also owe a great deal of thanks to my close friends -A, S, K, and B -for all of the ways in which they supported me along this perilous road: countless phone and video chats; brunches, bubble tea excursions, dinners, and long walks to help me get out of my apartment; watching cringe TV shows and sharing in my learning of crochet as stress-relievers; passing along their vi ramen recipes that I can't believe I've missed out on for so long; and for simply sticking around.I would also like to thank my therapist -who knows who she is -for her constant support.And lastly, the following events go fully unacknowledged, for they did not positively contribute to my physical nor mental health, cannot be said to have aided any forward progress of this thesis whatsoever and, without them, I surely would have finished sooner: the COVID-19 pandemic and contracting COVID-19; and the passing of my childhood puppy. vii

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Section: A41 Topologymentioning

confidence: 99%

“…[269], who both created clusters of octet cells with patterns of either BCC or rhombic dodecahedron unit cells, respectively, spread throughout. Or in Bhat et al [268], who nested truss-based topologies (BCC, octet, rhombic dodecahedron) within the Schwarz-P TPMS topology.…”

Section: A41 Topologymentioning

confidence: 99%

Multiscale Impact Mechanics of Additively Manufactured Periodic Cellular Solids

Bernard

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Design, Fabrication, and Properties Evaluation of Novel Nested Lattice Structures

Cited by 1 publication

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Multiscale Impact Mechanics of Additively Manufactured Periodic Cellular Solids

Multiscale Impact Mechanics of Additively Manufactured Periodic Cellular Solids

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