Ryuichi Nagamoto
Mitsubishi Heavy Industries
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Publication
Featured researches published by Ryuichi Nagamoto.
Journal of the Society of Naval Architects of Japan | 1974
Ryuichi Nagamoto; Shozo Fukuda; Koichiro Funaoka; Yajuro Seike; Tomiyasu Nohara
Generally, when designing the ore carrier, the Coulombs theory of soil mechanics is used to determine the ore pressure which acts on the tank walls. However, the are pressure calculated using the Coulombs theory is the static are pressure, and, actually, such factors as wave loads, ship motions, hull vibrations, etc., would demand due consideration. The authors, therefore, carried out some model tests to analyze the dynamic ore pressure and thereby formulated an experimental equation in order to estimate the ore pressure in more realistic manner. And, using the experimental equation thus formulated, the authors analyzed the distribution of ore pressure in the cargo tank of a 250, 000 tons deadweight ore carrier. Consequently it was found that the ore pressure acting on the longitudinal bulkhead in way of the wing-tank strut where a considerable amount of dynamic loads were exerted by wave, etc., would be 35 times greater than it was calculated using the Coulombs theory, as a result of the static ore pressure being superposed by dynamic ore pressure due to horizontal and vertical ship motions and by pressure from the spring action of ore due to deformation of the longitudinal bulkhead.
Journal of the Society of Naval Architects of Japan | 1988
Masato Zama; Masahiro Saito; Hiroshi Yajima; Tsuyoshi Kabata; Nobuhiro Seki; Masataka Suga; Masaharu Honda; Ryuichi Nagamoto
Journal of the Society of Naval Architects of Japan | 1982
Ryuichi Nagamoto; Masao Ushijima; Akinobu Kawamura; Hiroshi Yajima; Masuo Tada
Journal of the Society of Naval Architects of Japan | 1972
Ryuichi Nagamoto; Mamoru Konuma; Masabumi Iizuka; Masao Aoki; Takeshi Takahashi
Journal of Zosen Kiokai | 1967
Hiroshi Kihara; Takeshi Kanazawa; Kazuo Ikeda; Hiroshi Maenaka; Masaru Kinoshita; Ryuichi Nagamoto; Hiroshi Yajima
Journal of Zosen Kiokai | 1967
Masao Yoshiki; Takeshi Kanazawa; Susumu Machida; Hiroshi Tada; Hidekazu Yamanouchi; Ryuichi Nagamoto; Hiroshi Yajima
Journal of the Society of Naval Architects of Japan | 1979
Ryuichi Nagamoto; Koichi Hagiwara; Tooru Hori; Akinobu Kawamura; Masaru Tateishi; Takayoshi Morio
Journal of the Society of Naval Architects of Japan | 1976
Ryuichi Nagamoto; Koichiro Funaoka; Michi Matsuyama; Hidetoshi Sueoka; Yoshiaki Taguchi; Tetsuo Yuhara
Journal of the Society of Naval Architects of Japan | 1976
Jun-ichi Fukuda; Ryuichi Nagamoto; Osamu Tsukamoto; Akiji Shinkai
Journal of the Society of Naval Architects of Japan | 1974
Jun-ichi Fukuda; Ryuichi Nagamoto; Osamu Tsukamoto; Akiji Shinkai