+ Visit NASA.gov + Contact NASA   + Home Select Search Field * All Report - Patent Number Abstract *Accession Number *NASA Center *Author NameDocument IDKeywordsPublication Date *Title * Find Results With All of the words At least one of the words Enter Search Term  within returned results    Search Tips: Use only the fields with * to search NIX collection. Enclose terms in double quotation marks (") to search for exact phrases, ie: "space shuttle". NOTE: Commas and dashes are removed from search term by search engine. Select Reset Search button to start a new search. See Help for more tips. + NASA Center – Publication Year  + 1961-1970  + 1971-1980  + 1981-1990  + 1991-2000 + Subject + Availability Options + Item/Media Type Selected Navigations: Author > Heer, E. [x] Sort results by: NASA Center | Date Added to NTRS | Publication Year There are a total of 43 record(s) matching your query. Sorted by: Date Added To NTRS in Descending order 1 2 3 4 5 Next  Finite element formulation for linear thermoviscoelastic materials Author(s): Chen, J. C.; Heer, E. Abstract: Finite difference and finite element matrix equations for linear thermoviscoelastic material NASA Center: Jet Propulsion Laboratory Publication Year: 1969 Added to NTRS: 2008-12-26 Accession Number: 69N31925; Document ID: 19690022547; Report Number: JPL-TR-32-1381, NASA-CR-103419 Receptance coupling of structural components near a component resonance frequency Author(s): Heer, E.; Lutes, L. D. Abstract: Receptance coupling of structural components near resonance frequency NASA Center: Jet Propulsion Laboratory Publication Year: 1968 Added to NTRS: 2008-12-26 Accession Number: 69N27953; Document ID: 19690018575; Report Number: JPL-TM-33-411, NASA-CR-101390 Automated decision making and problem solving. Volume 2: Conference presentations Author(s): Heer, E. Abstract: Related topics in artificial intelligence, operations research, and control theory are explored. Existing techniques are assessed and trends of development are determined. NASA Center: Langley Research Center Publication Year: 1980 Added to NTRS: 2008-07-29 Accession Number: 81N29902; Document ID: 19810021364; Report Number: L-14396-VOL-2, NASA-CP-2180-VOL-2 Automated Decision Making and Problem Solving. Volume 1: Executive Summary Author(s): Heer, E. Abstract: The May 1980 conference is summarized. Related topics in artificial intelligence, operations research, and control theory were explored. Existing techniques were assessed, trends of development determined, and potential for ... NASA Center: Langley Research Center Publication Year: 1981 Added to NTRS: 2008-07-29 Accession Number: 81N30889; Document ID: 19810022347; Report Number: L-14396, NASA-CP-2180-VOL-1 Optimum pressure vessel design based on fracture mechanics and reliability criteria Author(s): Heer, E.; Yang, J.-N. Abstract: Optimization design methods for spacecraft structural systems and subsystems NASA Center: Jet Propulsion Laboratory Publication Year: 1970 Added to NTRS: 2008-01-29 Accession Number: 71N19245; Document ID: 19710009770; Report Number: JPL-TM-33-470, NASA-CR-116827 Pressure seal Patent Author(s): Beylik, C. M.; Garba, J. A.; Heer, E.; Orlik, F. W. Abstract: Pressure seals suitable for use in environmental test chambers NASA Center: Jet Propulsion Laboratory Publication Year: 1971 Added to NTRS: 2008-01-25 Accession Number: 71N27068; Document ID: 19710017592 Teleoperator/robot technology can help solve biomedical problems Author(s): Heer, E.; Bejczy, A. K. Abstract: Teleoperator and robot technology appears to offer the possibility to apply these techniques to the benefit for the severely handicapped giving them greater self reliance and independence. Major problem areas in the ... NASA Center: Jet Propulsion Laboratory Publication Year: 1975 Added to NTRS: 2007-02-07 Accession Number: 75N17099; Document ID: 19750009027; Report Number: JPL-TM-33-721, NASA-CR-142089 The production of charged pions by 600 MeV protons on various nuclei Author(s): Heer, E.; Hirt, W.; Martin, M.; Michaelis, E. G.; Seere, C.; Skarek, P.; Wright, B. J., et al. Abstract: Charged pion production by proton beam incidence on elements from beryllium to lead NASA Center: NASA (non Center Specific) Publication Year: 1966 Added to NTRS: 2006-11-06 Accession Number: 66N32745; Document ID: 19660023455 Stress analysis of solid propellant rocket motors Author(s): Akyuz, F. A.; Heer, E. Abstract: Linear viscoelastic and elastic problem in stress analysis of solid propellant rocket engines NASA Center: Jet Propulsion Laboratory Publication Year: 1968 Added to NTRS: 2006-09-29 Accession Number: 68N28261; Document ID: 19680018789; Report Number: JPL-TR-32-1253, NASA-CR-95372 Analysis of space vehicle structures using the transfer-function concept Author(s): Heer, E.; Trubert, M. R. Abstract: Analysis of large complex systems is accomplished by dividing it into suitable subsystems and determining the individual dynamical and vibrational responses. Frequency transfer functions then determine the vibrational ... NASA Center: NASA (non Center Specific) Publication Year: 1969 Added to NTRS: 2005-09-30 Accession Number: 69B10337; Document ID: 19690000336; Report Number: NPO-11162 1 2 3 4 5 Next  + Back to Top + Sponsored by the NASA Scientific and Technical    Information Program + 2004 Vision for Space Exploration + Freedom of Information Act + NASA Web Privacy Policy and Important Notices + NASA Disclaimers, Copyright Notice,    and Terms and Conditions of Use NASA Official: Calvin Mackey Page Curator: NASA Center for AeroSpace Information (help@sti.nasa.gov) Last Updated: July 5, 2007