NEHRP Clearinghouse

displaying 1 - 4 results in total 4

  • Shoja-Taheri, J.
    Seismological Studies of Strong Motion Records.
    National Science Foundation, Washington, D.C., January 1977, 213 p.
    Identifying Number(s): UCB/EERC-77/04
    Keywords: Seismograms; Statistical analysis; California; Seismic risk; Earth movements; Time dependence; Ground motion; Earthquake engineering; Elastic waves; Frequency distribution; Earthquakes

  • Najita, K.
    An Engineering Feasibility Study of an Ionospheric Technique to Improve Tsunami Warning Systems.
    National Science Foundation, Washington, DC. Engineering and Applied Science., September 30, 1976, 210 p.
    Keywords: Doppler effect; Ray tracing; Fortran 4 programming language; Ionosphere; Rayleigh waves; Elastic waves; Tsunamis; Computer programs; Warning systems; Fortran; Infrasonic radiation; Earthquakes; Ionospheric disturbance

  • ['Helmberger, D. V.', 'Harkrider, D. G.']
    Modeling Earthquakes with Generalized Ray Theory.
    Air Force Office of Scientific Research, Bolling AFB, DC, January 1978, 21 p.
    Identifying Number(s): CONTRIB-2959
    Keywords: Numerical analysis; Cagniard deHoop technique; Seismic waves; Ray theory; Reprints; Wave propagation; Elastic waves; Faults (Geology); Iterations; Earthquakes

  • ['Yang, J. N.', 'Long, F. X.', 'Wong, D.']
    Optimal Control of Nonlinear Flexible Structures.
    National Science Foundation, Washington, DC., January 22, 1988, 113 p.
    Identifying Number(s): NCEER-88-0002
    Keywords: Earthquake resistant structures; Optimal control algorithms; Dynamic structure analysis; Nonlinear flexible structures; Elastic waves