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A Study on a Method for Estimating Collision Situation from Shapes of Scratches on a Ship Dameged in Ship Collision

Research Project

Project/Area Number 18K13947
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 24020:Marine engineering-related
Research InstitutionJapan Coast Guard Academy Center for Maritime Safety and Security Studies

Principal Investigator

NAKAYAMA Yoshiyuki  海上保安大学校(海上保安国際研究センター), 海上保安国際研究センター, 准教授 (70747013)

Project Period (FY) 2018-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2021: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2020: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000)
Fiscal Year 2019: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2018: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords船舶衝突 / 衝突模型実験 / 衝突角 / 相対運動 / 画像解析 / 海上保安庁 / 衝突実験 / 海上保安 / 船舶衝突海難 / 相対運動理論 / 事故調査
Outline of Final Research Achievements

In case of criminal investigation for ship collision, it is important to determine the situation at the time of the accident. However, there are few studies focused on determining the collision situation of ship accident. So, in this study, to accumulate scientific knowledge about ship collision, the results of collision test between two ship models are presented. In the test, two free-running ship models were collided each other in various speeds and crossing angles, and, the shapes and angles of scratches on a ship damaged in the collision were measured. As a result, we confirmed that in case of the collisions in crossing situations diagonally front, the angles of scratches on a ship damaged in the collision agreed well with the relative angles between two ship motions rather than the crossing angles between two ship courses. In the future, we would like to clarify the mechanism of ship collision and contribute to criminal investigations for ship collision.

Academic Significance and Societal Importance of the Research Achievements

船舶衝突事故にかかる事件捜査において、衝突時の状況を明らかにすることは公正な判決のためには必須の事項である。しかしながら、例えば、事故の発生に深く関わった者が海中転落等により死亡している、第三者による目撃情報も無いなどといった場合には、その事故状況の特定が非常に困難となる。このような場合については、船舶衝突事故を専門に取り扱う調査官等により、衝突状況の推定が行われることとなるが、その推定結果に関する妥当性を裏付け、さらには補強するための客観的・科学的根拠や実験結果の蓄積が望まれている。本研究は正に調査官等による推定結果を補強するものであると言え、今後の研究の発展にも寄与するものである。

Report

(7 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (17 results)

All 2024 2023 2022 2021 2019 2018 Other

All Journal Article (8 results) (of which Int'l Joint Research: 2 results,  Open Access: 4 results,  Peer Reviewed: 6 results) Presentation (6 results) Remarks (3 results)

  • [Journal Article] 過失犯の事実認定の一側面‐船舶の一事例(福岡高裁宮崎支部令和4年1月27日判決LEX/DB25591574)‐2024

    • Author(s)
      新谷一朗、中山喜之
    • Journal Title

      海上保安大学校研究報告 (法文学系)

      Volume: 68-2 Pages: 19-34

    • Related Report
      2023 Annual Research Report
    • Open Access
  • [Journal Article] 6-DOF Motion Simulations of a Deadship Drifting in Wind and Waves2023

    • Author(s)
      Yasukawa, H., Okuda, R., Hasnan, M. A. A., Nakayama, Y., and Matsuda, A.
    • Journal Title

      Ocean Engineering

      Volume: 275, 114158 Pages: 1-18

    • DOI

      10.1016/j.oceaneng.2023.114158

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Development of Marine Accident Probability Prediction Model of Small-Size Ship by Using Ship Accident Database of the Central Seto Inland Sea2023

    • Author(s)
      新谷仰、谷口直和、中山喜之、田中隆博、濱田邦裕
    • Journal Title

      Proceedings of 10th PAAMES and AMEC 2023

      Volume: C-4-20 Pages: 1-8

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] 衝突海難時に船体に刻まれる傷の形状等に関する研究 -第2報 航走する2船間における衝突実験-2023

    • Author(s)
      中山 喜之,北島 完哉,潮平 巌,藤本 雄紀
    • Journal Title

      海上保安大学校研究報告(理工学系)

      Volume: 65 Pages: 25-33

    • Related Report
      2022 Research-status Report
    • Open Access
  • [Journal Article] Drifting of a dead ship in wind2021

    • Author(s)
      Yasukawa Hironori、Hirata Noritaka、Nakayama Yoshiyuki、Matsuda Akihiko
    • Journal Title

      Ship Technology Research

      Volume: 70 Issue: 1 Pages: 1-20

    • DOI

      10.1080/09377255.2021.1954835

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Empirical analysis method for evacuation timing of ships in storm areas2021

    • Author(s)
      Okuzono Junji、Saito Yasuhiro、Tanaka Takahiro、Nakayama Yoshiyuki
    • Journal Title

      Safety Science

      Volume: 141 Pages: 105323-105323

    • DOI

      10.1016/j.ssci.2021.105323

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] 衝突海難時に船体に刻まれる傷の形状等に関する研究-第1報 半滑走型高速船の衝突・乗揚げ実験-2021

    • Author(s)
      中山喜之、細川魁、伊藤維哉
    • Journal Title

      海上保安大学校研究報告(理工学系)

      Volume: 第63巻 Pages: 7-16

    • NAID

      120007003856

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] An Approach to Prevent Ship Collision Accidents Concerning with Small Crafts by Exhibiting LED Tape Lights2019

    • Author(s)
      西村知久、玉木健太、中山喜之、宇野瑞穂
    • Journal Title

      The Journal of Japan Institute of Navigation

      Volume: 140 Issue: 0 Pages: 1-7

    • DOI

      10.9749/jin.140.1

    • NAID

      130007679616

    • ISSN
      0388-7405, 2187-3275
    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 船舶海難データを用いた瀬戸内海中央部におけるプレジャーボート海難発生確率予測モデルの構築2023

    • Author(s)
      新谷仰、谷口直和、中山喜之、田中隆博、濱田邦裕
    • Organizer
      日本船舶海洋工学会春季講演会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 東京湾におけるプレジャーボート海難発生確率予測モデルの構築2023

    • Author(s)
      新谷仰、谷口直和、中山喜之、田中隆博、濱田邦裕
    • Organizer
      日本船舶海洋工学会秋季講演会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 船舶衝突事故にかかる事故態様の推定に関する研究2022

    • Author(s)
      中山喜之,西村知久
    • Organizer
      日本法科学技術学会第28回学術集会
    • Related Report
      2022 Research-status Report
  • [Presentation] 航走する二船が衝突する際に船体に刻まれる傷の形状等に関する研究2021

    • Author(s)
      中山喜之
    • Organizer
      令和3年度研究成果発表会(海上保安庁)
    • Related Report
      2021 Research-status Report
  • [Presentation] 衝突海難時に船体に刻まれる傷の形状等に関する研究2019

    • Author(s)
      中山喜之
    • Organizer
      令和元年度研究成果発表会,海上保安庁
    • Related Report
      2019 Research-status Report
  • [Presentation] LEDテープを用いた小型船舶の衝突海難防止策に関する研究2018

    • Author(s)
      西村知久,玉木健太,中山喜之,宇野瑞穂
    • Organizer
      第138回講演会日本航海学会講演予稿集,6巻1号,pp.72-75.
    • Related Report
      2018 Research-status Report
  • [Remarks] research map 中山喜之

    • URL

      https://researchmap.jp/JCGA-nakayama

    • Related Report
      2023 Annual Research Report
  • [Remarks] Research map 中山喜之

    • URL

      https://researchmap.jp/JCGA-nakayama

    • Related Report
      2022 Research-status Report 2021 Research-status Report 2019 Research-status Report
  • [Remarks] Research map-中山喜之-

    • URL

      https://researchmap.jp/JCGA-nakayama

    • Related Report
      2020 Research-status Report

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Published: 2018-04-23   Modified: 2025-01-30  

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