Large-Scale Physical and Computational Simulation of Soil-Structure Systems

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• Professor Ahmed Elgamal, Department of Structural Engineering, University of California, San Diego
• Tuesday 18 February 2014, 16:00-17:30
• Cambridge University Engineering Department, Lecture Room 6.

If you have a question about this talk, please contact Anama Lowday.

Calibration, on the basis of data from centrifuge and shake table experiments, continues to promote the development of more accurate computational models. Capabilities such as coupled solid–fluid formulations and nonlinear incremental-plasticity approaches allow for more realistic representations of the involved static and dynamic/seismic responses. In addition, contemporary high-performance parallel computing environments are permitting new insights, gained from analyses of entire ground-foundation-structural systems. On this basis, the horizon is expanding for large-scale numerical simulations to further contribute toward the evolution of more accurate analysis and design strategies. The presentation addresses these issues through recently conducted three-dimensional (3D) representative research efforts that simulate the seismic response of: (1) shallow-foundation liquefaction countermeasures, (2) pile-supported wharf systems, and (3) a full bridge-ground systems. A discussion of enabling tools for routine usage of such 3D simulation environments is also presented, as an important element in support of wider adoption and practical applications. In this regard, graphical user interfaces and visualization approaches can play a critical role.

This talk is part of the Engineering Department Geotechnical Research Seminars series.

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