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2024-12-30 02:40 本頁面
【正文】 aracteristics, permitting the preparation of initial cost estimates, In the overall design process, basic design if followed by contact design and detail design. Contract design, as its name implies, develops plans and specifications suitable for shipyard bidding and contract award. Well prepared contract plans and specifications will be clear and in sufficient detail to avoid costly contingency items and protect bidders from obscure or inadequate description of requirements. Detail design is the shipyard39。s responsibility for further developing the contract plans as required to prepare shop drawings used for the actual constructions of the vessel. An understanding of the entire design sequence is essential to anyone seeking to develop a basic design. The four steps involved are illustrated in the Design spiral,Evans(1959) as an iterative process working from mission requirements to a detail design, . These steps are amplified further below: a. Concept design The very first effort, concept design, translates the mission requirements into naval architectural and engineering characteristics. Essentially, it embodies technical feasibility studies to determine such fundamental elements of the proposed ship as length, beam, depth, draft, fullness, power, or alternative sets of character
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