{"id":58232,"date":"2021-04-07T15:12:10","date_gmt":"2021-04-07T08:12:10","guid":{"rendered":"https:\/\/www.its.ac.id\/news\/?p=58232"},"modified":"2021-04-13T16:24:14","modified_gmt":"2021-04-13T09:24:14","slug":"its-professor-researches-ship-dynamics-simulations-to-avoid-accidents","status":"publish","type":"post","link":"https:\/\/www.its.ac.id\/news\/en\/its-professor-researches-ship-dynamics-simulations-to-avoid-accidents\/","title":{"rendered":"ITS Professor Researches Ship Dynamics Simulations to Avoid Accidents"},"content":{"rendered":"<figure id=\"attachment_57950\" aria-describedby=\"caption-attachment-57950\" style=\"width: 1280px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-57950 size-full\" src=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.06.07.jpeg\" alt=\"Prof Aries Sulisetyono ST MA SC PhD, Guru Besar ITS dari Departemen Teknik Perkapalan yang baru dikukuhkan\" width=\"1280\" height=\"662\" srcset=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.06.07.jpeg 1280w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.06.07-300x155.jpeg 300w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.06.07-1024x530.jpeg 1024w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.06.07-768x397.jpeg 768w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.06.07-355x184.jpeg 355w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><figcaption id=\"caption-attachment-57950\" class=\"wp-caption-text\">Prof. Aries Sulisetyono, ST, MA, SC, Ph.D., ITS Professor from the newly inaugurated Department of Naval Architecture<\/figcaption><\/figure>\n<blockquote>\n<p style=\"text-align: justify\"><strong>ITS Campus, ITS News<\/strong> &#8211; Ship accidents at sea are something that must avoid because they can have an impact on the loss of human life and valuable property. Prof. Aries Sulisetyono ST MA SC Ph.D., a professor of the <a href=\"https:\/\/www.its.ac.id\/\" target=\"_blank\" rel=\"noopener\">Institut Teknologi Sepuluh Nopember (ITS)<\/a> inaugurated last Wednesday (31\/3), was moved to develop ship dynamics simulations to help the safety and comfort of passengers and shiploads of ships.<\/p>\n<\/blockquote>\n<p style=\"text-align: justify\">The National Transportation Accidents Committee (NTSC) released the results of the investigation of ship accidents from 2011 to 2019 with a total of 123 incidents. It recorded that the types of accidents that occurred were mostly due to technical factors, amounting to 59 percent. The Vessel technical factors consist of\u00a0construction, systems, maneuver tests, test systems, and equipment as several other variables.<\/p>\n<p style=\"text-align: justify\">Aries explained in his oration that according to government regulation. Ships must meet the sailing eligibility requirements marked with several certificates. However, there are not a few ships that have certificates but still experience technical problems. &#8220;So it needs more in-depth elaboration to find out other causes ranging from design, fabrication in circles, and sea tests in ship dynamics simulations,&#8221; he said.<\/p>\n<p style=\"text-align: justify\">The Professor of the Naval Architecture Engineering Department emphasized that the development of ship dynamics also helps ship designers to evaluate the maneuverability of ships by the safety standards of the <a href=\"https:\/\/www.imo.org\/\" target=\"_blank\" rel=\"noopener\">International Maritime Organization (IMO)<\/a>. &#8220;Besides, the science of ship dynamics can technically explain the phenomenon of ship accidents at sea such as sinking or overturning, collisions, structural failures, and others,&#8221; he said.<\/p>\n<figure id=\"attachment_57949\" aria-describedby=\"caption-attachment-57949\" style=\"width: 1280px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"wp-image-57949 size-full\" src=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.06.51.jpeg\" alt=\"Prof Aries Sulisetyono ST MA SC PhD ketika menyampaikan orasi ilmiahnya saat pengukuhan\" width=\"1280\" height=\"658\" srcset=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.06.51.jpeg 1280w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.06.51-300x154.jpeg 300w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.06.51-1024x526.jpeg 1024w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.06.51-768x395.jpeg 768w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.06.51-355x182.jpeg 355w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><figcaption id=\"caption-attachment-57949\" class=\"wp-caption-text\">Prof. Aries Sulisetyono, ST, MA, SC, Ph.D. when delivering his scientific oration at the inauguration<\/figcaption><\/figure>\n<p style=\"text-align: justify\">In this study, there are three programs developed. First, the Ship Movement Simulation Program (PSG) functions to simulate the movement of ships in 6 degrees of freedom using the\u00a0<em><span data-preserver-spaces=\"true\">Green&#8217;s Function Method\u00a0<\/span><\/em><span data-preserver-spaces=\"true\">approach. With this method, this program proved to be able to speed up computation and reduce errors compared to other numerical methods with an RMSE (prediction error rate) of 0.05 and an\u00a0<\/span><em><span data-preserver-spaces=\"true\">elapsed time of\u00a0<\/span><\/em><span data-preserver-spaces=\"true\">28 times faster.\u00a0<\/span><\/p>\n<p style=\"text-align: justify\">Furthermore, the PSG program can estimate the chances of a ship experiencing\u00a0<em><span data-preserver-spaces=\"true\">slamming\u00a0<\/span><\/em><span data-preserver-spaces=\"true\">(\u00a0<\/span><em><span data-preserver-spaces=\"true\">impact\u00a0<\/span><\/em><span data-preserver-spaces=\"true\">on the bottom of the ship) and\u00a0<\/span><em><span data-preserver-spaces=\"true\">deck wetness\u00a0<\/span><\/em><span data-preserver-spaces=\"true\">(seawater rising to the deck), calculating wave resistance, and ship operability. &#8220;This program is still in code form and in the process of being developed into an easy-to-use application,&#8221; said this master and doctoral graduate from Dalhousie University, Canada.\u00a0 \u00a0<\/span><\/p>\n<p style=\"text-align: justify\">Second, the Ship Maneuvering Simulation Program (PSM) was developed to simulate ship maneuvering to evaluate the ship&#8217;s design ability to maneuver according to IMO standards. &#8220;This program aims to produce a ship&#8217;s maneuver trajectory in a circular motion (\u00a0<em><span data-preserver-spaces=\"true\">turning\u00a0<\/span><\/em><span data-preserver-spaces=\"true\">) and\u00a0<\/span><em><span data-preserver-spaces=\"true\">zigzags\u00a0<\/span><\/em><span data-preserver-spaces=\"true\">due to forces acting like\u00a0<\/span><em><span data-preserver-spaces=\"true\">inertia<\/span><\/em><span data-preserver-spaces=\"true\">,&#8221; he explained.\u00a0<\/span><\/p>\n<figure id=\"attachment_57954\" aria-describedby=\"caption-attachment-57954\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"wp-image-57954 size-large\" src=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.50.58-1024x518.jpeg\" alt=\"Model kapal corvette dan instrumen kendali\" width=\"1024\" height=\"518\" srcset=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.50.58-1024x518.jpeg 1024w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.50.58-300x152.jpeg 300w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.50.58-768x388.jpeg 768w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.50.58-355x180.jpeg 355w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.50.58.jpeg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-57954\" class=\"wp-caption-text\">Corvette ship model and control instruments<\/figcaption><\/figure>\n<p style=\"text-align: justify\">This program approach uses the\u00a0<em><span data-preserver-spaces=\"true\">Open Free Running Model Test\u00a0<\/span><\/em><span data-preserver-spaces=\"true\">which is a model test in a quiet open pool. Models are equipped with a motor,\u00a0<\/span><em><span data-preserver-spaces=\"true\">prototype,\u00a0<\/span><\/em><span data-preserver-spaces=\"true\">and steering wheel which can be controlled remotely using a\u00a0<\/span><em><span data-preserver-spaces=\"true\">remote control<\/span><\/em><span data-preserver-spaces=\"true\">. &#8220;The difficult thing is taking the test data, therefore in this case the GPS (\u00a0<\/span><em><span data-preserver-spaces=\"true\">Global Positioning System\u00a0<\/span><\/em><span data-preserver-spaces=\"true\">) technique is used,\u00a0<\/span><em><span data-preserver-spaces=\"true\">image processing<\/span><\/em><span data-preserver-spaces=\"true\">, and\u00a0<\/span><em><span data-preserver-spaces=\"true\">color object tracking\u00a0<\/span><\/em><span data-preserver-spaces=\"true\">which can be used with relatively the same results,&#8221; he explained again.\u00a0\u00a0<\/span><\/p>\n<p style=\"text-align: justify\">The third program, namely the Ship Maneuver Identification System (PSIM) Program developed with the\u00a0<em><span data-preserver-spaces=\"true\">Unscented Kalman Filter\u00a0<\/span><\/em><span data-preserver-spaces=\"true\">(UKF) method combined with simple Linear Regression in mathematical models and algorithms with Matlab program.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_57953\" aria-describedby=\"caption-attachment-57953\" style=\"width: 1100px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-57953 size-full\" src=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.51.29.jpeg\" alt=\"Gambar model AUV dalam numerik, uji drag, dan uji manuver\" width=\"1100\" height=\"606\" srcset=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.51.29.jpeg 1100w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.51.29-300x165.jpeg 300w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.51.29-1024x564.jpeg 1024w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.51.29-768x423.jpeg 768w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2021\/04\/WhatsApp-Image-2021-04-07-at-14.51.29-355x196.jpeg 355w\" sizes=\"(max-width: 1100px) 100vw, 1100px\" \/><figcaption id=\"caption-attachment-57953\" class=\"wp-caption-text\">Figure AUV model in numerical, drag test, and maneuver test<\/figcaption><\/figure>\n<p style=\"text-align: justify\">&#8220;Furthermore, this program can identify ship hydrodynamic coefficients and develop an autopilot system which is a future ship technology,&#8221; he concluded. In the end, Aries expressed his hopes regarding this ship dynamics system so that it could contribute to helping the government overcome ship accidents at sea.\u00a0<strong><span data-preserver-spaces=\"true\">(pan\/ITS Public Relations)<\/span><\/strong><\/p>\n<p style=\"text-align: justify\"><strong>Reporter: Shinta Ulwiya<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ITS Campus, ITS News &#8211; Ship accidents at sea are something that must avoid because they can have an impact on the loss of human life and valuable property. Prof. Aries Sulisetyono ST MA SC Ph.D., a professor of the Institut Teknologi Sepuluh Nopember (ITS) inaugurated last Wednesday (31\/3), was moved to develop ship dynamics [&hellip;]<\/p>\n","protected":false},"author":172,"featured_media":57950,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[67],"tags":[],"class_list":["post-58232","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-latest-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ITS Professor Researches Ship Dynamics Simulations to Avoid Accidents - ITS News<\/title>\n<meta name=\"description\" content=\"Prof. Aries Sulisetyono ST MA SC PhD, professor of Institut Teknologi Sepuluh Nopember (ITS) developed ship dynamics simulations\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.its.ac.id\/news\/en\/its-professor-researches-ship-dynamics-simulations-to-avoid-accidents\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ITS Professor Researches Ship Dynamics Simulations to Avoid Accidents - 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