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 analysisSafford, 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; EarthquakesGordis, 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 analysisPekcan, 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; SeismicityHuyck, 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; EarthquakesWaldhauser, 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; EarthquakesCifuentes, 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 analysisLeger, 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; EarthquakesLienert, 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 methodYang, 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