Systems Technology Panel
Interim Ship Common Information Model Implementation
Improving Design-Analysis Data Management Capabilities for Composite Materials
Modifications for ISO Standards
Full Ship Analysis Model Generation
STEP-NC Application for Steel Production in Shipbuilding
Reusing Ship Product Model Data
Mobile Wireless Expansion for Shipyard Systems
Improving the Use of Shipyard Work Orders
STEP Ship Test Case Enhancements
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Interim Ship Common Information Model Implementation (completed)
In support of the Navy and industry’s ongoing interest in product model data interoperability, this project examined the use of the Navy Product Data Initiative (NPDI) Ship Common Information Model (SCIM) XML schemas and the STEP application protocol for Core Data for Automotive Mechanical Design Processes (AP 214) to represent ship specific information during the interim period before NPDI-based translators for the shipbuilding application protocols become commercially available. The project determined that the technical approach is viable for translators which generate AP 214 files with CAD identifiers that can be related to design information; and, the SCIM data model was sufficiently defined for NPDI specification, but additional work was required for translator usage. Complete findings and recommendations are available in the Final Report.
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Design-Analysis Data Management Capabilities for Composite Materials Used in Ships (completed)
This effort was aimed at reducing vessel acquisition and life-cycle costs through increased product model data interoperability. The project developed an integrated plan to extend interoperability capabilities using STEP standards to accommodate composite material representations and demonstrate composite structural model exchange for use with various engineering finite element analysis software packages. Two composites test cases were developed. One was a "zone" test case and the other a "ply" test case which was deemed out-of-scope for the current project. Presentations were given at two NSRP Joint Panel Meetings in Warwick, RI (Aug 2008) and New Orleans (Dec 2008.) Please click here to request the Final Report.
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Modifications for ISO Standards (completed)
To better enable product model data to be exchanged, this project facilitated resolution of technical issues for ISO standards in Ship Moulded Forms, Ship Arrangement and Plant Spatial Configuration. Changes to the standards developed under the NSRP Integrated Shipyard Environment projects were incorporated. Amended documents have been developed and prepared for publication by the ISO Central Secretariat as Technical Corrigenda to the International Standards. Click here to download the Final Report.
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Full Ship Analysis Model Generation
This project is part of a concerted plan to address methods to rapidly generating large scale, full-ship analysis models for strength, stress, shock, and acoustic simulation and assessment in conjunction with the larger scale project. The project examined the content and adequacy of several Application Protocols to define and transfer ship structural geometry information necessary to create meshed, full-ship finite element analysis models of naval vessels. Among the project conclusions is that more persistent use of attributed surface geometry (e.g. AP218) has particular advantage for creating stiffened plate and shell FEA models at the full-ship extreme. Distribution is limited to U.S. Shipyards only. Please click here to request the Final Report.
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STEP-NC Application for Steel Production in Shipbuilding (completed)
This project reviewed the applicability of STEP Application Protocol 238 (STEP-NC) to plate cutting for the shipbuilding industry. STEP-NC is an exchange medium between CAM systems and Numerically Controlled manufacturing equipment that was originally developed to support turning/milling operations. STEP-NC defines the manufacturing operations at an abstract level that is not machine dependent, making it ideal as a neutral exchange medium. Although STEP-NC was not originally developed to support the manufacturing requirements for shipbuilding, its core structure is an adequate framework on which to support these requirements. The coordinated use of a common feature-based definition of manufacturing data provides a standards-based alternative to the interfaces used today. This use obviates the need for non-value added, vendor-specific post-processing functionality and provides a shipbuilding infrastructure with more flexibility in the choice of deployed systems. The project also submits that in order to provide an architecture that truly enables pluggable component systems, the processing of yard-specific rules must be centralized using explicitly defined manufacturing rule sets. This, coupled with a central data repository based on the existing STEP schemas, provides a consistent means of managing and accessing shipbuilding information. Click here to download the Final Report. Click here to download the Final Report.
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Reusing Ship Product Model Data (completed)
Previous NSRP projects have developed a data architecture for Integrated Shipbuilding Environment information models, which have been used to exchange design, engineering and production data. A new international standard, S1000D, is emerging as the life cycle support data standard within both the shipbuilding and aerospace domains. The objectives of this project were to investigate and report on the use of the S1000D standard (for technical documentation as well as product life cycle support data) and the feasibility of interfacing the ISE information models; propose the basis of an architecture to transfer ISE product data and PLCS data into S1000D standard format; and provide feedback to the S1000D standards body to ensure better integration. This project also represents the first step toward the integration of engineering and logistics data domains as well as providing a common standard for ship and aircraft life cycle support needs. Without a well-engineered coordination of the PLCS, S1000D and ISE standards, new generations of systems will repeat the incompatibility issues of the past. The project team’s report concludes with recommendations for coordination among the emerging information standards.Click here to download the Final Report on Recommendations for the Use of Product Life Cycle Support and S1000D Standards On-board US Navy Ships in PDF format.
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Mobile & Wireless Expansion for Shipyard Systems (completed)
The goal of this project is to provide beneficial features and functions for mobile and wireless computing in both ship manufacturers an ship repair. Mobile devices (PDAs) are currently in operation at various shipyards supporting the automation of labor collection and integration of that data to host systems. A Functional Application Document which outlines the table definitions, field definitions, screen diagrams, process outlines and other operations considerations. The Final report and Functional Specification Document are available to the U.S. shipbuilding industry. Click here to request a copy. Please provide your company name, complete, mailing address and phone number.
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Improving the Use of Shipyard Work Orders (completed)
This project identified and defined the use of the work order, proposed some common considerations, including terms, and created templates and software to create and access work orders in the office and on board the vessel. A significant amount of effort is incurred, in both the acquisition of material and expenditure of labor, when a work-order is generated. The work-order may be the result of planned activities and therefore the resources may be identified in advance. Conversely, the work order may originate from a Condition Found Report, new work identified on board or an enhancement to an existing task. The need to quickly and accurately capture the new or revised work order details is important to the overall success of the entire project. The mobility of the system allows users to create documents/forms on the fly and away from the desk using tablet computers with handwriting and voice recognition allowing for timelier and more accurate document creation, as well as, immediate signature authorization. The customizable framework allows users to create virtually any customer-specific forms (through the use of templates) and make them available to all users on the system. The system, due to its flexibility and customizability, would help in automating the process of work order creation and execution.Click here to request a copy. Please provide your company name, complete mailing address and phone number.
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STEP Ship Test Case Enhancements (completed)
This project developed a usage guide for AP227 (Plant Spatial Configuration) that provides a series of ship HVAC test cases for representing and exchanging product data about ship HVAC systems. In addition, test cases for AP215 (Ship Moulded Forms) illustrate the exchange of information necessary to calculate the noise level in a particular ship stateroom, and to determine whether the noise level is within acceptable range. These test cases provide guidance to translator developers as to how to correctly use the standard for data exchange and provide detailed examples for common data exchange situations. Click here to download the test cases for AP227 or AP215 in PDF format.
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Last Update: 09/01/09
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