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Retooling Manufacturing Bridging Design, Materials, and Production (2004) / Chapter Skim
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6 Summary, Recommendations, and Research Needs
Pages 81-90

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From page 81...
... In the process of developing recommendations in various disciplinary areas, described in Chapter 3, some common themes emerged regarding the flow of information and knowledge between the different areas. These themes -- system requirements, geometric information, and material properties and process data -- form the fabric of the entire design and manufacturing system in commercial industry and in the DoD acquisition process.
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From page 82...
... A specific opportunity is to develop tools for converting customer needs into engineering specifications, and for decomposing and distributing those specifications to subsystems and components. The design and manufacturing process leading to product realization is essentially a system of systems.
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From page 83...
... Integration among the various tools used during the engineering design (geometric modeling tools, performance analysis tools, control system development tools, life-cycle analysis tools, costestimating tools, and manufacturing simulation tools) was clearly identified as a critical shortcoming of existing software.
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From page 84...
... Materials Science: The Department of Defense should create, manage, and maintain open-source, accessible, and peer-reviewed tools and databases of material properties to be used in product and process design simulations. Integrated tools and databases for materials design, materials selection, process simulation, and process optimization are key to virtual manufacturing.
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From page 85...
... Validated data can also be used to develop methods to predict material properties from fundamental physics and to develop constitutive models that predict material behavior for a wide range of materials and conditions that are outside measured boundary conditions. Success in this area will greatly enhance the next generation of virtual manufacturing.
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From page 86...
... Life-Cycle Assessment: The Department of Defense should develop tools and databases that enable life-cycle costs and environmental impact to be quantified and integrated into design and manufacturing processes. Establishing and maintaining peer-reviewed databases for environmental emissions and impacts of various materials and manufacturing processes will be critical for the government to integrate these factors into acquisition processes.
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From page 87...
... Materials selection and process design require reliable databases for material properties, and reliable constitutive models to predict material behavior over a wide range of conditions. The DoD should establish and maintain open material property databases.
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From page 88...
... These activities should be encouraged. Research on outsourcing of key activities to determine how to minimize complexity and maximize coordination is also needed, along with better economic models of outsourcing choices that reflect the strategic impacts on companies and industries.
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From page 89...
... Modeling and simulation tools used in the acquisition process will also be able to be integrated into increasingly complex performance simulations. As the Department of Defense builds capabilities to support an agile and evolving warfighter, this agility can be supported by transformations in defense acquisition.1 Establishing strong connections between the levels of existing expertise and capabilities already available within the DoD's modeling and simulation infrastructure is a critical step that includes establishing the role of the government research and development service laboratories in this process.
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From page 90...
... It also provides a starting point on the path to establishing modeling and simulation as a method for ensuring that design requirements are met. These deliverables would lead to a reduced amount of validation testing, and thus lower overall cost and faster product delivery times.
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Key Terms

  • simulation tools
  • manufacturing processes
  • design environments
  • material properties
  • dod acquisition

  • acquisition process
  • design alternatives
  • process control
  • design process
  • product realization

  • bridging design
  • material property
  • software tools
  • defense acquisition
  • product creation

  • process design
  • bridge design
  • collaborative environments
  • creation process
  • economic models

  • predict material
  • material behavior
  • distributed locations
  • acquisition programs
  • boundary conditions

  • performance metrics
  • management methods
  • effectively compared
  • engineering schools
  • multiple domains


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