Norman F. Knight

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The International Space Station’s solar array wing mast shadowing problem is the focus of this paper. A building-block approach to modeling and analysis is pursued for the primary structural components of the solar array wing mast structure. Starting with an ANSYS finite element model, a verified MSC.Nastran model is established for a single longeron. This(More)
The release of antral gastrin has been examined in human subjects by infusing saline and albumin into their stomachs. Immunoreactive gastrin (IRG) was present in fasting serum but not in fasting gastric juice. Intragastric infusions of saline and albumin induced small but significant (P less than 0.05) rises in the serum concentrations of IRG. There was no(More)
The design process is rapidly evolving as the twenty-first century begins. Advanced aerospace systems are becoming increasingly more complex, and customers are demanding lower cost, higher performance, and high reliability. Increased demands are placed on the design engineers to collaborate and integrate design needs and objectives early in the design(More)
Abbreviations: CTSF Computed time step factor EE Element erosion FAA Federal Aviation Administration NASA National Aeronautics and Space Administration SIPF Sliding interface penalty factor TNWF Tied nodes with failure ABSTRACT Modeling and simulation requirements for uncontained engine debris impact on fuselage skins are described and assessed using the(More)
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