NEHRP Clearing House

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Luco, J. E.; Frazier, G. A.; Day, S. M.; Apsel, R. J.
Dynamic Response of Three-Dimensional Rigid Embedded Foundations.
National Science and Research Applications., January 1978, 108 p.
Keywords: Seismic waves; Dynamic response; Ground motion; Greens function; Earthquake engineering; Earthquake resistant structures; Pile structures; Earthquakes; Soil structure interactions; Finite element analysis; Rigid foundations; Ocean bottom; Dynamic structural analysis
Chu, L.; Askar, A.; Cakmak, A. S.
Earthquake Waves in a Random Medium.
National Science Foundation, Washington, DC. Engineering and Applied Science., June 30, 1979, 46 p.
Identifying Number(s): 79/SM/3
Keywords: Dynamic response; Fourier transformation; Greens function; Elastic properties; Earthquake engineering; Mechanical hysteresis; Earthquakes; Stochastic processes; Laplace transformation; Seismic waves
Apsel, R. J.
Dynamic Green's Functions for Layered Media and Applications to Boundary-Value Problems.
National Science Foundation, Washington, DC. Office of Planning and Resources Management., January 1979, 377 p.
Keywords: Dynamic response; Greens function; Integral equations; Earthquake engineering; Numerical integration; Theses; Earthquakes; Foundations; Soil structure interactions; Three-dimensional calculations; Viscoelastic theory; Wave propagation; Seismology; Equation of motion; Boundary value problems