As part of its national obligations, ONR must ensure US world leadership in those unique technology areas that insure naval superiority. ONR accomplishes this mission through research, recruitment and education, maintaining an adequate base of talent, and sustaining critical infrastructure for research and experimentation. One critical area requiring support by ONR is the "knowledge infrastructure" in Naval Architecture and Marine Engineering. An innovative knowledge infrastructure in NA & ME consists of two main elements:
• People who have the knowledge, skills and experience to perform innovative design and engineering applied to in Naval Architecture and Marine Engineering; and
• An industry that employs these people and allows this innovative knowledge to be applied in the ships it designs and builds for the Navy.
The universities along with industry develop the technology and educate the people who are employed by industry. In turn, the research supported primarily by the government provides direct support for the conduct of research and the education of the future faculty who perform their doctoral research in this discipline.
This study examined the current situation in navy related Naval Architecture and Marine Engineering. The need for ONR support in this area is identified and recommendations made to establish long term support that will provide for the introduction of innovative technology in naval ships. The following are documented in this report to establish this need:
(1) The uniqueness of "Engineering for the Marine Environment" is explained. Naval Architecture and Marine Engineering...
by Lin Chen-Ming, Yeh Yu-Hu.; Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Naval Architecture and Marine Engineering, 1946.; An exact copy of this thesis, under the same title, was submitted to the Dept. of Naval Architecture and Marine Engineering, MIT, for the B.S. degree under the following authors: Chen-Ming Lin and Kuei Ling.; Includes bibliographical references (leaves 232-234).
Introduction to principles of naval architecture, ship geometry, hydrostatics, calculation and drawing of curves of form, intact and damaged stability, hull structure strength calculations and ship resistance. Projects include analysis of ship lines drawings and ship model testing.
Fonte: Escola de Pós-Graduação NavalPublicador: Escola de Pós-Graduação Naval
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CIVINS; Many comparative naval architecture analyses of surface ships have been performed, but few published comparative analyses of submarines exist. Of the several design concept papers, reports and studies that have been written on submarines, no exclusively diesel submarine comparative naval architecture analyses have been published. One possible reason for few submarine studies may be the lack of complete and accurate information regarding the naval architecture of foreign diesel submarines. However, with some fundamental submarine design principles, drawings of inboard profiles and plan views, and key assumptions to develop empirical equations, a process can be developed by which to estimate the submarine naval architectural characteristics. comparative naval architecture analysis creates an opportunity to identify new technologies, review the architectural characteristics best suited for submarine missions and to possibly build more effective submarines. An accurate observation is that submarines designed for different missions possess different capabilities. But are these unique capabilities due to differences in submarine naval architecture? Can mission, cost, or other factors affect the architecture? This study examines and compares the naval architecture of selected diesel submarines from data found in open literature. The goal is to determine weight group estimates and analyze whether these estimates provide a relevant comparison of diesel submarine naval architecture.
Fonte: Escola de Pós-Graduação NavalPublicador: Escola de Pós-Graduação Naval
Tipo: Tese de Doutorado
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CIVINS; Under the fiscal reality of the 21st century military budget, the typically manpower intensive United States Navy has had to learn to do more with less of everything, in many cases specifically less sailors. One mission area that is prime for manpower reduction is naval logistics. JMIC, the Joint Military Intermodal Container is a combined Naval Sea Systems Command/ Office of the Chief of Naval Operations (NAVSEA/OPNAV) program that is designed to change the way the United States Navy conducts logistics. Automation and efficiency improvements inherent to the JMIC program are proposed to drastically lower the manpower requirements and complexity of the US Navy logistics pipeline. JMIC is a program in the very early stages of development. This thesis will examine some of the operational and technical challenges associated with incorporating JMIC into the United States Navy, and ultimately United States Military logistics architecture.
WMSM ) and Maritime Patrol Coastal (WPC). The System Architecture Description Document (SADD), which describes architectural framework that is used to establish the rules, guidance, and product descriptions for developing and presenting architecture descriptions that ensure a common denominator for understanding, comparing, and integrating architectures needs to be written for the WPC. The SADD has been written, established and contractual agreed upon for both the Large and Medium Cutters. However, their missions dictate that they have littoral capabilities and the capacity to conduct missions with naval vessels; therefore the C4ISR architecture was chosen for their SADD as it fits their mission statements. The mission of the WPC is of a different nature. It is not expected to carry out the same functions as the larger cutters and its capabilities will be more of a littoral function. Therefore the application of its architectural Framework will enable architectures to contribute most effectively to building an interoperable and cost effective system subject to the needs of the WPC mission. This thesis proposes to compare two different architectural frameworks for use by the WPCâ s SADD: 1) DoD Architecture Framework and 2) Zachman Architecture Framework. The thesis will compare and recommend the architectural framework that will at most enhance the mission statement set forth by the Original Requirements Document (ORD) of the WPC.
This paper suggests an approach to formal software and system architecture specification based on behavior models. The behavior of the system is defined as a set of events (event trace) with two basic relations: precedence and inclusion. The structure of event trace is specified using event grammars and other constraints organized into schemas. The framework provides high level abstractions for analyzing
system behavior properties expressed as computations over event traces. The automated tools can support extracting of different views from the model, and verification of behavior properties within a given scope. Advantages of this approach compared with the common simulation tools are as follows. Means to write assertions about the system behavior and tools to verify those assertions. Exhaustive search through all possible scenarios (up to the scope limit). The small scope hypothesis states that most of
errors can be demonstrated on small examples. The support for verifiable refinement of the
architecture model, up to design and implementation models. Integration of the architecture models with environment models for defining typical scenarios (use cases) and verifying system's behavior for those scenarios.
Approved for public release; distribution is unlimited.; Rising costs of proprietary equipment in legacy electronic applications are increasingly drawing resources from vital programs. Growing interest in evaluating Open Architecture technology to replace closed systems is evidenced by the number of recent publications on the subject. Researchers have approached this topic from various angles, including lifecycle management, risk simulation, total cost of ownership, and knowledge-value added measures. This exploratory study uses open architecture hardware employing virtualization technology to test the feasibility of replacing legacy components of military systems. Virtualization has the potential to provide significant cost savings in terms of procurement, daily operation, and maintenance. Additionally, virtualization provides functional benefits such as load-balancing, greater processor utilization and storage flexibility, streamlined scalability, and simplified disaster recovery strategies. This thesis is original research in the form of a proof-of-concept study. It details performance results of a locally-constructed test platform, designed to simulate a portion of the U.S. Navy's AEGIS Weapon System. The scope of this work is to test the viability of using commodity-based hardware to achieve performance levels equal to...
Approved for public release; distribution is unlimited.; The focus of this thesis is the examination of a method to supplement current combatant ship synthesis tools with combat system equipment and warfighting capability parameters. Current conceptual ship design tools lack an early integration of the naval architecture and the combat system aspects of a ship. Although the U.S. Navy's vision and the current JCIDS process involve designing ships based on warfighting capability using measures of effectiveness, the current ship synthesis tools lack the appropriate combat system parameters that will allow design for capability. This study specifically investigates a link between a combat system capability and a ship design by conducting research and analysis on an existing combat system, a shipborne air search radar. A mathematical relationship was obtained between the radars detection ranges and their respective system weights. This equation describing the relationship between a combat system capability (radar detection range) and a naval architecture parameter (weight) was used to supplement an existing Excel-based ship synthesis tool. By inserting this into the model, the ships synthesized were able to change based on a desired combat system capability input from the user. Additionally...
This thesis demonstrates that the C4ISR Framework Version 2.0 requirements can be satisfied with one modern object oriented CASE tool. It provides an alternative scenario centric approach to architecture development. The combination of scenarios and Unified Modeling Language (UML) semantics is referred to as the Naval Architecture Environment (NAE). Specifically, it recommended the acquisition of Rational Rose. The NAE combines the best practices of software development with the domain specific insight contained in the Framework to create an efficient process, supported by a commercial tool and robust semantics, to allow the analysis and design of interoperable C4ISR systems. These are systems that will support Joint Vision 2010's call for Information Superiority.; Naval postgraduate School (NPS) author.
Demands for seamless mobile communications are driving the research and development of software defined radio (SDR), which enables a single terminal to transmit and receive in distinct wireless systems through a simple change in software to reconfigure the terminal's functions. Its application areas include military use, home networks, intelligent transport systems and cellular communications. Several SDR software architectures have been developed during the last few years. One implementation of the Software Communications Architecture is the Open Source SCA Implementation
Approved for public release, distribution unlimited; This thesis presents a new systems engineering based approach to naval ship concept design for the Republic of Korea (R.O.K.) Navy. The R.O.K. Navy currently uses a traditional naval architecture approach in concept design. Naval architects focus only on naval architecture issues such as speed, range, and displacement; combat systems engineers focus on the performance of combat systems, weapons, and sensors. This design process creates some integration problems in the late design stage and during construction. For this reason, there is a growing interest in the systems engineering approach design concept in the R.O.K. Navy. Naval ship design is an aggregate of engineering, computer science, management, and even strategy and policy. Naval ship engineers should consider not only naval architecture issues such as hull form, stability, structure, maneuverability and propulsion, but also mission needs, effectiveness, cost/risk benefits, and integration with all combat systems. Naval architecture and combat systems engineering are a part of the design process, and they must be considered simultaneously a systems engineering approach to combatant ship design. To properly design a naval ship...
Approved for public release, distribution is unlimited; The purpose of this thesis is twofold: first is to describe the current Marine Corps fire support system as an overall architecture and the second is to provide teaching materials for the Joint C3, (Command, Control, Coordination) curriculum. The emphasis will be to identify and illustrate the various command, control, and coordination procedures that are evident throughout the system. The system architecture described will provide a foundation from which the student will be required to design their own conceptual architecture. The command and control architecture of the fire support system is presented. A detailed analysis of the underlying C2 processes of the structure is conducted. A case is developed that will encourage the student towards the application of C2 concepts and principles. The author concludes with description of methods used to evaluate an architecture.; Captain, United States Marine Corps
Approved for public release; distribution is unlimited; The Joint Fleet Telecommunications Operations Center (JFTOC) acts, on behalf of the Naval Computer and Telecommunications Command, as the fleet's "one-stop shop" for information services. Effective fault management is vital to ensuring reliable network service. Currently, however, the JFTOC employs a Fault Management System (FMS) that consists primarily of manual processes and non- networked resources. Users require a system that provides a centralized and accessible source of near-real time fault management information. This thesis uses the methodology of the Department of Defense (DoD) Technical Architecture Framework for Information Management (TAFIM). TAFIM outlines a structured approach for migrating legacy systems to a open systems, standards-based target architecture. Through application of the TAFIM process, a target FMS architecture, termed HelpDesk On-Line Information System (HOLIS), is developed. HOLIS includes: the existing NCTAMS classified local area network and SIPRNet infrastructure; network operating system, office automation, e-mail and database software from the interim Navy Automated information System Standards list; and commercial off-the-shelf help desk software. Four migration paths are outlined...
The Coast Guard's software architecture does not meet the organization's needs for information sharing or command and control. The Commandant of the Coast Guard recently mandated the implementation of a Service Oriented Architecture (SOA) to address this problem. This thesis describes a Service Oriented Architecture for Coast Guard Command and Control that integrates legacy applications and provides new capabilities. Traditional software architecture descriptions make it difficult to identify and understand the trade-offs between quality attributes that are inherent in the design. We clarify these critical issues by using multiple scenarios and use cases, in addition to diagrams and functionality requirements. Defining the architecture in this manner enables an auditor to determine the architectures validity. The Coast Guard also needs a plan to implement this SOA. This thesis defines a process that will deliver value in the form of usable capabilities in an incremental manner. It recognizes the constantly changing nature of both the problem and the necessary solution, and evolves accordingly. It continually plans for, adapts to, and exploits predictable advances in technology to deliver more value. The iterative method we propose includes cyclical evaluation of the system requirements...
The Unites States' first space systems programs, to include launch, ground, and space segments and their associated infrastructure, were initially developed to meet the requirements of the strategic users. Since the 1991 Gulf War, there has been a growing dependence on the capabilities and support delivered by those programs to meet requirements of non-strategic users. The current National Security Space (NSS) architecture makes it rather difficult and challenging for all but critical strategic users to fully capitalize on the available assets. Timelines that were once adequate to deliver strategic capabilities are now not sufficient to allow a broader range of users to realize the benefit from using the available space systems. In addition, the non-strategic users run into challenges when they attempt to change the tasking requirements that would enable them to receive associated products / services that are useful and timely. With the identified gaps in the current NSS environment, the Integrated Product Team (IPT), consisting of ten active duty military students, sought solutions to make space more Operationally Responsive to its customers by 2025. Due to limited time and assets, the IPT narrowed the focus of the project to the four Joint Publication (JP) 3-14 Joint Doctrine for Space Operations mission areas of Space Support...
The distance learning team was tasked to produce an architecture that would best support future Operationally Responsive Space requirements in the 2025 timeframe. The 'bottom line up front' to this analysis showed that the current space architecture already provides some level of responsiveness. However, ORS will demand modifications of the current space architecture vice certain 'pre-conceived' notions of quick launch or a separate ORS architecture altogether. The team developed a 'baseline' vision for deeper analysis focused on the Combatant Commander supported by analytical categories named 'Pillars as follows: Improved Organizational Relationships, Asset Loss Mitigation, Availability, Flexibility, and Streamlined Acquisition Processes. These pillars allowed the solutions, material and non-material, to be organized for further analysis, relevancy, and value to the architecture. Constraints and alternative solutions were considered. Analysis was further supported by a performance versus cost process which provided a final test of solution feasibility. Relative cost was determined by comparison of existing program or like capabilities with future inflation. Differing combinations of solutions could provide ORS value by modification of the metrics. The final analysis showed an Operationally Responsive Space architecture that meets all metrics and that could support all COCOM requirements.
Approved for public release; distribution unlimited.; The primary objective of this thesis is to propose a template for a National Space Warfighting Architecture (NSWA). The template is intended to fill the void that exists between national security space policies and the services' space warfighting plans. As such, it will provide a unifying framework for follow-on discussions and debate about the proper direction of space-based operational and tactical combat support. In support of this objective, this thesis aims to: provide the proper focus for the architecture; identify the key conceptual ideas that should drive its development; establish a common vocabulary among managers of the Space-based Strategic Reconnaissance Surveillance Program, service space support officers, and terrestrial warfighters; develop a logical and meaningful architectural organizational approach; facilitate the comparison between space-based and terrestrial-based combat support systems; and show how the NSWA fits within the larger framework of the National Space Program.; Major, United States Marine Corps
The United States Navy owns four salvage ships and four towing ships that will reach the end of their 40-year life expectancy in 2019. The program manager for these vessels has a set of desirable performance requirements for a new ship class, T-ARS(X), which combines the capabilities from both the salvage and towing ship classes. The need to develop a recapitalization strategy based on either designing a new ship class based on these desirable requirements or purchasing commercial capabilities based on the salvage and towing community's needs is paramount. Meanwhile, the Department of Defense (DoD) has shifted defense planning from the specific service requirements generating system (RGS) acquisition to the Joint Capabilities Integration and Development System (JCIDS) approach that focuses on requirements generation based on customer need. This thesis explores how to use systems architecting principles in the context of model-based systems engineering (MBSE) to incorporate the capabilities needed for towing and salvage recapitalization into a cohesive framework for developing the T-ARS(X) requirement specification. The CORE design tool is used to implement the MBSE architecting process using the Naval Architecture Elements Reference Guide (NAERG) and standardized operational tasks to create DODAF v1.5 products from system models. The requirements generated from the architecture model are compared with the current...
The author proposes an architecture based on the Dynamic Actor Layer and the Game Manager in Delta3D to create a Networked Virtual Environment which could be used to train Navy Officers in tactics, allowing team training and doctrine rehearsal. The developed architecture is based on Object Oriented and Modular Design principles, while it explores the flexibility and strength of the Game Manager features in Delta3D game engine. The implementation of the proposed architecture is planned to be done in standard personal computers running's WindowsTM OS, but as Delta3D is a multiplatform tool, the generated code can be easily ported to Linux or even MacTM platforms. The designed architecture includes also a proposal for fast scenario creation and modification based on XML technology.