船舶海洋設計システムの基本条件に関する一考察

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Systems are defined as the embodiment of orderliness of the universe, and engineering system is defined as an artificial system without life. Systems of "civilization" are located on the top of the development of the species of living things, and human "culture" systems are positioned on the extreme end of the growth of individual lives. Industries are divided into four typical groups i.e. officials, farmers, manufacturers and merchants, called in Japanese as "shi, nou, kou and shou". If officials are defined as O-stage industries, these four groups are defined as O-stage, 1st-, 2nd- and 3ed-stage industries, respectively. Man, material, money and time make resourses of industries, and each component has two faces, i.e. man consists of labor and intelligence, material consists of property and information, money consists of hard currency and credit, and time means relative hours and absolute time. Shipbuilding and ocean engineering industries are mainly composed of processing steel plates, coatings, pipings and wirings, and may be said as "Vast and thin, long and slender" industries. Design process in shipbuilding and ocean engineering is divided into two stages, the first one lies between the initiation of projects and the contract of them, and the second begins just after the contract and and ends at the completion of all detail designs of the products. The former is composed of two stages of design, i.e. <Fundamental Planning> and <Basic Design>, and the latter has also two design stage of <Initial Design> and <Detail Design>. And in view point of the information, those designing systems have respective functions of process to upgrade the accuracy of the parts both in quality and quantity.
社団法人日本船舶海洋工学会の論文
1993-09-04

船舶海洋設計システムの基本条件に関する一考察

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