Optimal Design of Composite Granular Protectors
We employ an evolutionary algorithm to investigate the optimal design of composite protectors using one-dimensional granular chains composed of beads of various sizes, masses, and stiffnesses. We define a fitness function using the maximum force transmitted from the protector to a "wall" t...
| Main Authors: | , , |
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| Format: | Journal article |
| Language: | English |
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2010
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| _version_ | 1826279380399161344 |
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| author | Fraternali, F Porter, M Daraio, C |
| author_facet | Fraternali, F Porter, M Daraio, C |
| author_sort | Fraternali, F |
| collection | OXFORD |
| description | We employ an evolutionary algorithm to investigate the optimal design of composite protectors using one-dimensional granular chains composed of beads of various sizes, masses, and stiffnesses. We define a fitness function using the maximum force transmitted from the protector to a "wall" that represents the body to be protected and accordingly optimize the topology (arrangement), size, and material of the chain. We obtain optimally randomized granular protectors characterized by high-energy equipartition and the transformation of incident waves into interacting solitary pulses. We consistently observe that the pulses traveling to the wall combine to form an extended (long-wavelength), small-amplitude pulse. |
| first_indexed | 2024-03-06T23:57:51Z |
| format | Journal article |
| id | oxford-uuid:74dc1899-8dde-4f30-bb83-e34638264270 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T23:57:51Z |
| publishDate | 2010 |
| record_format | dspace |
| spelling | oxford-uuid:74dc1899-8dde-4f30-bb83-e346382642702022-03-26T20:05:45ZOptimal Design of Composite Granular ProtectorsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:74dc1899-8dde-4f30-bb83-e34638264270EnglishSymplectic Elements at Oxford2010Fraternali, FPorter, MDaraio, CWe employ an evolutionary algorithm to investigate the optimal design of composite protectors using one-dimensional granular chains composed of beads of various sizes, masses, and stiffnesses. We define a fitness function using the maximum force transmitted from the protector to a "wall" that represents the body to be protected and accordingly optimize the topology (arrangement), size, and material of the chain. We obtain optimally randomized granular protectors characterized by high-energy equipartition and the transformation of incident waves into interacting solitary pulses. We consistently observe that the pulses traveling to the wall combine to form an extended (long-wavelength), small-amplitude pulse. |
| spellingShingle | Fraternali, F Porter, M Daraio, C Optimal Design of Composite Granular Protectors |
| title | Optimal Design of Composite Granular Protectors |
| title_full | Optimal Design of Composite Granular Protectors |
| title_fullStr | Optimal Design of Composite Granular Protectors |
| title_full_unstemmed | Optimal Design of Composite Granular Protectors |
| title_short | Optimal Design of Composite Granular Protectors |
| title_sort | optimal design of composite granular protectors |
| work_keys_str_mv | AT fraternalif optimaldesignofcompositegranularprotectors AT porterm optimaldesignofcompositegranularprotectors AT daraioc optimaldesignofcompositegranularprotectors |