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  • A parallel compact multi-dimensional numerical algorithm with aeroacoustics applications [microform] / Alex Povitsky, Philip J. Morris.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
    • 1999

  • Development of a grid-independent approximate Riemann solver [microform] / by Christopher Lockwood Rumsey.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1991]
    • 1991

  • Meso-beta scale numerical simulation studies of terrain-induced jet streak mass/momentum perturbations [microform] : FY94 May semi-annual report / by Yuh-Lang Lin and Michael L. Kaplan.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Review of slow-wave structures [microform] / Thomas M. Wallett and A. Haq Qureshi.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Boundary conditions for unsteady compressible flows [microform] / S.I. Hariharan and D.K. Johnson.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Investigation of finite element-ABC methods for electromagnetic field simulation [microform] / A. Chatterjee, J.L. Volakis and N. Nguyen.

    • Text
    • Ann Arbor, Mich. : University of Michigan, Radiation Laboratory, Dept. of Electrical Engineering and Computer Science ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Linear bicharacteristic schemes without dissipation [microform] / Philip Roe.

    • Text
    • Hampton, VA : Institute for Computer Applications in Science and Engineering, NASA Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Local reduction of certain wave operators to one-dimensional form [microform] / Philip Roe.

    • Text
    • Hampton, VA : Institute for Computer Applications in Science and Engineering, NASA Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Proceedings of the twelfth NASA Propagation Experimenters Meeting (NAPEX XII) held at Syracuse University, New York, June 9-10, 1988 [microform] / Faramaz Davarian, editor.

    • Text
    • Pasadena, Calif. : National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology ; [Springfield, Va. : National Technical Information Service, distributor, 1988]
    • 1988

  • Rayleigh lidar observations of gravity wave activity in the upper stratosphere at Urbana, IL [microform] / by C.S. Gardner, M.S. Miller, and C.H. Liu.

    • Text
    • Urbana, Ill. : Electro-optic Systems Laboratory, Dept. of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1988]
    • 1988

  • Proceedings of the eighteenth NASA Propagation Experimenters Meeting (NAPEX XVIII) and the Advanced Communications Technology Satellite (ACTS) Propagation studies Miniworkshop held in Vancouver, British Columbia, June 16-17, 1994 [microform] / Faramaz Davarian, editor.

    • Text
    • Pasadena, Calif. : National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Simulation of wave propagation in three-dimensional random media [microform] / Wm. A. Coles ... [et al.].

    • Text
    • [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1993]
    • 1993

  • A note on the wave action density of a viscous instability mode on a laminar free-shear flow [microform] / Thomas F. Balsa.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Dynamic characteristics of observed sudden warmings [microform] : final report, May 1983 - May 1986 / by D.G. Dartt and D.E. Venne.

    • Text
    • Minneapolis, Minn. : Control Data Corporation ; [Washington, D.C.? : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1986]
    • 1986

  • Electromagnetic scattering from a class of open-ended waveguide discontinuities [microform] / by A. Altintas, P.H. Pathak, W.D. Burnside.

    • Text
    • Columbus, Ohio : Ohio State University, ElectroScience Laboratory, Dept. of Electrical Engineering ; Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1986]
    • 1986

  • An investigation of short period oscillations of the solar irradiance and their time variations [microform] : final report.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1987]
    • 1987

  • Sound propagation over uneven ground and irregular topography [microform] : semiannual status report no. 5 / by Yves H. Berthelot ... [et al.].

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1987]
    • 1988

  • A study of methods to predict and measure the transmission of sound through the walls of light aircraft [microform] : semi-annual status report, reporting period 5/15/86 - 11/15/86 / submitted by R.J. Bernhard, principal investigator ... [et al.].

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1986]
    • 1986

  • Biot theory and acoustical properties of high porosity fibrous materials and plastic foams [microform] / J. Allard and A. Aknine.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1987]
    • 1987

  • Low-dissipation and -disperson Runge-Kutta schemes for computational acoustics [microform] / F.Q. Hu, M.Y. Hussaini, J. Manthey.

    • Text
    • Hampton, VA : Institute for Computer Applications in Science and Engineering, NASA Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Determination of the ultrasonic properties of composites [microform] : annual report for NASA grant - NAG-1-431 ... December 5, 1983 - November 5, 1984 / principal investigators, B.T. Smith, A.M. Buoncristiani.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1984]
    • 1984

  • Perturbation-iteration theory for analyzing microwave striplines [microform] / by Brian E. Kretch.

    • Text
    • Cleveland, Ohio : Dept. of Electrical Engineering and Applied Physics, Case Institute of Technology, Case Western Reserve University ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1985]
    • 1985

  • Middle atmosphere program [microform] : papers presented at the URSI-SCOSTEP Workshop on Technical and Scientific Aspects of HST radar, October 21-25, 1985 / edited by S.A. Bowhill, Belva Edwards.

    • Text
    • [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1986]
    • 1986

  • Contamination of the fetch-limited directional wave spectrum by waves emanating from an embayment [microform] / E.J. Walsh ... [et al.].

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1985]
    • 1985

  • Vortex interaction with a leading-edge of finite thickness [microform] / by D. Sohn and D. Rockwell.

    • Text
    • Bethlehem, Penn. : Lehigh University ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1987]
    • 1987

  • Remote sensing of Earth terrain [microform] : semi-annual report covering the period March 1, 1985-August 31, 1985 / prepared by J.A. Kong.

    • Text
    • Cambridge, Mass. : Massachusetts Institute of Technology, Research Laboratory of Electronics ; [Washington, D.C. : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1985]
    • 1985

  • Quantitative non-destructive evaluation of composite materials based on ultrasonic wave propagation [microform] : semiannual progress report, March 15, 1986 - September 14, 1986 / principal investigator, James G. Miller.

    • Text
    • St. Louis, Mo. : Washington University, Dept. of Physics, Laboratory for Ultrasonics ; [Washington, D.C. : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1986]
    • 1986

  • Microwave emission and scattering from earth surface and atmosphere [microform] : semi-annual report covering the period, December 15, 1985--June 16, 1986 / prepared by J.A. Kong and M.C. Lee.

    • Text
    • Cambridge, Mass. : Massachusetts Institute of Technology, Research Laboratory of Electronics ; [Greenbelt, Md.] : National Aeronautics and Space Administration, Goddard Space Flight Center ; [Springfield, Va. : National Technical Information Service, distributor, 1986]
    • 1986

  • Magnetospheric filter effect for Pc 3 Alfven mode waves [microform] / X. Zhang ... [et al.].

    • Text
    • [Huntsville, AL : University of Alabama in Huntsville ; Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Investigation of dispersion-relation-preserving scheme and spectral analysis methods for acoustic waves [microform] / Florence O. Vanel and Oktay Baysal.

    • Text
    • [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1995?]
    • 1995

  • Investigation of computational and spectral analysis methods for aeroacoustic wave propagation [microform] : abstract / Florence O. Vanel.

    • Text
    • [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1995?]
    • 1995

  • Proceedings of the nineteenth NASA Propagation Experimenters Meeting (NAPEX XIX) and the Advanced Communications Technology Satellite (ACTS) Propagation Studies Workshop (APSW VII) held in Fort Collins, Colorado, June 14-16, 1995 [microform] / Faramaz Davarian, editor.

    • Text
    • Pasadena, Calif. : National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • On high-order radiation boundary conditions [microform] / Thomas Hagstrom.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Institute for Computational Mechanics in Propulsion, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • Asymptotic analysis of dissipative waves with applications to their numerical simulation [microform] / Thomas Hagstrom.

    • Text
    • Cleveland, Ohio : NASA Lewis Research Center, Institute for Computational Mechanics in Propulsion ; [Springfield, Va. : For sale by the National Technical Information Service, 1990]
    • 1990

  • On absorbing boundary conditions for linearized Euler equations by a perfectly matched layer [microform] / Fang Q. Hu.

    • Text
    • Hampton, VA : Institute for Computer Applications in Science and Engineering, NASA Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • Motion of the heliospheric termination shock [microform] / Kamcilla Naidu and Aaron Barnes.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1994- ]
    • 1994-present

  • Relativistic electromagnetic waves in an electron-ion plasma [microform] / by Abraham C.-L. Chian and Charles F. Kennel.

    • Text
    • São José dos Campos, Brazil : Ministerio da Ciència e Tecnologia, Instituto de Pesquisas Espaciais ; [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1982]
    • 1982

  • Proceedings of the twenty-first NASA Propagation Experiments Meeting (NAPEX XXI) and the Advanced Communications Technology Satellite (ACTS) Propagation Studies miniworkshop held in El Segundo, California, June 11-13, 1997 [microform] / Nasser Golshan, editor.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration ; Pasadena, Calif. : Jet Propulsion Laboratory, California Institute of Technology ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • Progress in multi-dimensional upwind differencing [microform] / Bram van Leer.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1992]
    • 1992

  • Investigation of radio wave propagation in the Martian ionosphere utilizing HF sounding techniques [microform] : thesis ... / Robert J. Yowell.

    • Text
    • [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1996]
    • 1996

  • Proceedings of the Twenty-First NASA Propagation Experimenters Meeting (NAPEX XXI) and the Advanced Communications Technology Satellite (ACTS) Propagation Studies Miniworkshop held in El Segundo, California, June 11-13, 1997 [microform] / Nasser Golshan, editor.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration ; Pasadena, Calif. : Jet Propulsion Laboratory, California Institute of Technology ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • A review of high-order and optimized finite-difference methods for simulating linear wave phenomena [microform] / David W. Zingg.

    • Text
    • [Moffett Field, Calif.] : Research Institute for Advanced Computer Science, NASA Ames Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
    • 1996

  • Sonic boom propagation codes validated by flight test [microform] / Hugh W. Poling.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
    • 1996

  • Noninvasive determination of bone mechanical properties using vibration response [microform] : a refined model and validation in vivo / S.G. Roberts ... [et al.].

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1996]
    • 1996

  • Laser beam propagation through inhomogeneous media with shock-like profiles [microform] : modeling and computing / Grigory Adamovsky, Nathan Ida.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • Interdecadal variations in the Alaska gyre [microform] / Gary S.E. Lagerloef.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • Inhomogeneous radiation boundary conditions simulating incoming acoustic waves for computational aeroacoustics [microform] / Christopher K.W. Tam, Jun Fang, and Konstantin A. Kurbatskii.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1996]
    • 1996

  • On increasing the accuracy of MacCormack schemes for aeroacoustic applications [microform] : under cooperative agreement NCC3-483 / R. Hixon.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1996]
    • 1996

  • On the propagation of small perturbations in two simple aeroelastic systems [microform] / Angelo Iollo, Manuel E. Salas.

    • Text
    • Hampton, VA : Institute for Computer Applications in Science and Engineering, NASA Langley Research Center ; Springfield, VA : National Technical Information Service, distributor, [1998]
    • 1998

  • Nonlinear interaction of detuned instability waves in boundary-layer transition [microform] : resonant-triad interaction / Sang Soo Lee.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1998]
    • 1998

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