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Astani CEE Oral Dissertation Defense

Speaker: Roshanak Varjavand, CE Ph.D. Candidate

Talk Title: Numerical Simulation of Seismic Site Amplification Effects

Abstract:
The concept of substructure deletion proposed for the analysis of a rigid foundation was adapted for the analysis of site amplification effects in alluvial valleys. A major modification was made for the present application such that the boundary integration equation method was used for both the finite size interior problem and semi-infinite exterior wave radiation problem. The modification was made to reduce the possible incompatibility between the finite element method, a volume formulation, and the boundary integral equation method, a surface formulation. The substructure deletion concept allows simple, century-old, basic Green's Functions to be used to produce excellent wave scattering results for topographical irregularities as well arbitrarily shaped alluvial valleys overlying stiffer bedrock. The concept is applicable to three-dimensional geometries as well as two-dimensional problems. Results are given for incident SH, P, SV and Rayleigh waves.



Advisor: Professor Hung Leung Wong

Location: Kaprielian Hall (KAP) - 209

Audiences: Everyone Is Invited

Contact: Evangeline Reyes

This event is open to all eligible individuals. USC Viterbi operates all of its activities consistent with the University's Notice of Non-Discrimination. Eligibility is not determined based on race, sex, ethnicity, sexual orientation, or any other prohibited factor.

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