{"id":14866,"date":"2019-10-04T14:00:50","date_gmt":"2019-10-04T14:00:50","guid":{"rendered":"https:\/\/one.sightlinemg.com\/c4isrnet\/uncategorized\/2019\/10\/04\/is-squid-inspired-propulsion-all-its-kraken-up-to-be\/"},"modified":"2026-08-08T17:48:07","modified_gmt":"2026-08-08T17:48:07","slug":"is-squid-inspired-propulsion-all-its-kraken-up-to-be","status":"publish","type":"post","link":"https:\/\/one.sightlinemg.com\/c4isrnet\/unmanned\/2019\/10\/04\/is-squid-inspired-propulsion-all-its-kraken-up-to-be\/","title":{"rendered":"Is squid-inspired propulsion all it\u2019s kraken up to be?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The \u201cjet age\u201d began either in 1939, with the first flight of the Heinkel He 178, or over 500 million years ago, with the evolution of cephalopods powered by jet propulsion. Under water, jets are a less efficient means of locomotion than fin-based propulsion, but it does offer great advantages in maneuverability, as bursts enable the fast approaches of predator and the hasty escapes of prey.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Now a study, \u201c<a href=\"https:\/\/aip.scitation.org\/doi\/10.1063\/1.5119243\" target=_blank>Fluid-structure investigation of a squid-inspired swimmer<\/a>\u201d \u2014 published Oct. 1, 2019, in the journal Physics of Fluids \u2014 looks at how squid-like propulsive systems can be modeled and, in theory, designed for future underwater vehicles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThe existing experiments, simulations and prototypes are concentrated on the imitation of fish swimming. In contrast, cephalopods (i.e., squids, octopuses and cuttlefish) have been mostly neglected,\u201d write authors Xiaobo Bi and<a href=\"http:\/\/orcid.org\/0000-0003-1048-1357\"> <\/a>Qiang Zhu, both of the Department of Structural Engineering at the University of California San Diego. \u201cThese animals are also capable of highly effective swimming, especially when escaping from predators.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">While squid-inspired robots have been built before, the authors are specifically looking for a \u201ccephalopodlike design that is capable of long-distance locomotion through repeated deflation-inflation cycles of its compression chamber.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Could it someday be a long-range strategic blotter?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Novel aquatic propulsion methods are of interest to military planners and designers as autonomy and uncrewed vehicles expand the domains into which sensors can go. Biomimicry can yield both exciting new capabilities and lends itself well to a sort of ambient camouflage. Sonar that listens for the ping of metal hulls and the distinctive rotations of rotors may find itself unable to see the soft robotics and jet-propelled motion of a future robot squid.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Putting a sensor on a platform with squid-like jets and fins could enable it to sip power as it travels through the sea, navigating depths or shallows as needed, and then sprint through the water when needed, gliding and squirting under large vehicles, into docks or coastal outlets, or wherever else a squid robot might want to go.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The research outlined is useful, but don\u2019t expect to see it lead to squidbots anytime soon. For starters, the modeling done only proved the usefulness of repeated squid-jet propulsion in two-dimensional space.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Still, as planners look to the seas of the 2040s and beyond, novel propulsion and advanced autonomy could lead to a whole new jet age.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Research into the fluid dynamics of animal-inspired underwater propulsion could be useful for designing the vehicles that will haunts the seas of the 2040s.<\/p>\n","protected":false},"author":7,"featured_media":46499,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_canonical":"","_acf":"","_yoast_wpseo_primary_category":21,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_smg_distribution_targets":[]},"categories":[106,29,32,56,21,111],"tags":[],"coauthors":[3021],"class_list":["post-14866","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-daily-brief","category-home","category-newsletters","category-robotics","category-unmanned","category-unmanned-systems"],"acf":{"subheadline":"","legacy_arc_id":"ZOJJLYTTDJAMBKYKO7OYOCVAFI","arc_canonical_url":"\/unmanned\/2019\/10\/04\/is-squid-inspired-propulsion-all-its-kraken-up-to-be\/","remove_feature_photo":false,"is_sponsored":false,"subtype":"","redirect_url":"","disable_inline_ads":false,"native_logo_pretext":"Presented By:"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.0 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Is squid-inspired propulsion all it\u2019s kraken up to be? - C4ISRNet<\/title>\n<meta name=\"description\" content=\"Research into the fluid dynamics of animal-inspired underwater propulsion could be useful for designing the vehicles that will haunts the seas of the 2040s.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Is squid-inspired propulsion all it\u2019s kraken up to be?\" \/>\n<meta property=\"og:description\" content=\"Research into the fluid dynamics of animal-inspired underwater propulsion could be useful for designing the vehicles that will haunts the seas of the 2040s.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/one.sightlinemg.com\/c4isrnet\/unmanned\/2019\/10\/04\/is-squid-inspired-propulsion-all-its-kraken-up-to-be\/\" \/>\n<meta property=\"og:site_name\" content=\"C4ISRNet\" \/>\n<meta property=\"article:published_time\" content=\"2019-10-04T14:00:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-08T17:48:07+00:00\" \/>\n<meta name=\"author\" content=\"Kelsey D. 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