NEHRP Clearinghouse

displaying 11 - 20 results in total 49

  • ['Simons, J. W.', 'Powell, G. H.']
    Solution Strategies for Statically Loaded Nonlinear Structures.
    National Science Foundation, Washington, DC., November 1982, 112 p.
    Identifying Number(s): UCB/EERC-82/22
    Keywords: ANSR-III computer program; Newton-Raphson method; Earthquake resistant structures; Stiffness methods; Algorithms; Mathematical models; Computer applications; Earthquake engineering; Nonlinear systems; Dynamic structural analysis

  • ['Safford, F. B.', 'Masri, S. F.']
    Validation of Pulse Techniques for the Simulation of Earthquake Motions in Civil Structures.
    National Science Foundation, Washington, DC., May 1983, 112 p.
    Identifying Number(s): R-7824-5489
    Keywords: Algorithms; Dynamic response; Buildings; Earthquake engineering; Ground motion; Pulse generators; Gas generators; Simulation; Earthquakes

  • ['Gordis, J. H.', 'Neta, B.']
    Efficient Nonlinear Transient Dynamic Analysis of Structural Optimization Using an Exact Integral Equation Formulation.
    May 1999, 81 p.
    Identifying Number(s): NPS-ME-99-009
    Keywords: ; Structural integrity; Computerized simulation; Algorithms; Time domain; Finite element analysis; Integral equations; Earthquakes; Structural analysis

  • ['Pekcan, G.', 'Mander, J. B.', 'Chen, S. S.']
    Design and Retrofit Methodology for Building Structures with Supplemental Energy Dissipating Systems.
    National Science Foundation, Arlington, VA.; State Univ. of New York at Buffalo. Research Foundation., December 31, 1999, 198 p.
    Identifying Number(s): MCEER-99-0021
    Keywords: Earthquake resistant structures; Spectra; Viscosity; Retrofitting; Algorithms; Frequency measurement; Ground motion; Frequency response testing; Structural velocity; Energy dissipation; Vibration damping; Nonlinear systems; Design analysis; Seismicity

  • ['Huyck, C. K.', 'Eguchi, R. T.', 'Houshmand, B.']
    Bare-Earth Algorithms for Use with SAR and LIDAR Digital Elevation Models.
    National Science Foundation, Arlington, VA. Earthquake Engineering Research Centers Program., October 16, 2002, 112 p.
    Identifying Number(s): MCEER-02-0004
    Keywords: LIDAR; Algorithms; Earthquake loss estimation; Bare-earth algorithms; Disasters; Synthetic apperture radar; Remote sensing; Disaster recovery; Building inventories; Earthquakes

  • Waldhauser, F.
    hypoDD: A Program to Comput Double-Difference Hypocenter Locations (hypoDD Version 1.0 - 03/2001).
    January 2001, 30 p.
    Identifying Number(s): USGS/OFR-01-113
    Keywords: Error assessments; Syntax; Installation; Epicenters; Algorithms; Data weighting; Output files; Event clustering; Input files; Data selection; Double-difference algorithms; HypoDD; Earthquake relocation; Fortran computer program packages; Hypocenter locations; Utility programs; Earthquakes

  • Cifuentes, A. O.
    System Identification of Hysteretic Structures.
    National Science Foundation, Washington, DC., January 1985, 170 p.
    Identifying Number(s): EERL-84-04
    Keywords: Reinforced concrete; Seismic waves; Algorithms; Mathematical models; Dynamic response; Buildings; Earthquake engineering; Ground motion; System identification; Theses; Earthquakes; Dynamic structural analysis

  • ['Leger, P.', 'Wilson, E. L.', 'Clough, R. W.']
    Use of Load Dependent Vectors for Dynamic and Earthquake Analyses.
    National Science Foundation, Washington, DC., March 1986, 267 p.
    Identifying Number(s): UCB/EERC-86/04
    Keywords: Ritz method; Dynamic loads; Algorithms; Computer applications; Spacial distribution; Convergence; Earthquakes

  • ['Lienert, B. R.', 'Berg, E.', 'Frazer, L. N.']
    Hypocenter: An Earthquake Location Method Using Centered, Scaled, and Adaptively Damped Least Squares.
    June 1986, 15 p.
    Identifying Number(s): HIG-CONTRIB-1712
    Keywords: Equations; HYPOCENTER model; Velocity; Arrival time; Seismic velocity; Seismic data; Damping; Time; Earthquakes; Position (Location); Travel time; Algorithms; Seismic arrays; Mean; Reprints; Variables; Epicenters; Adaptive systems; Iterations; Least squares method

  • ['Yang, J. N.', 'Akbarpour, A.', 'Ghaemmaghami, P.']
    Instantaneous Optimal Control Laws for Tall Buildings Under Seismic Excitations.
    National Science Foundation, Washington, DC., June 10, 1987, 108 p.
    Identifying Number(s): NCEER-87-0007
    Keywords: ; Seismic design; Algorithms; Buildings; Earthquake engineering; Optimal control; Open loop systems