Papers Published

1. Narasimhan, Sriram and Nagarajaiah, Satish and Johnson, Erik A. and Gavin, Henri P., Smart base isolated building benchmark problem, Proceedings of the 2004 Structures Congress - Building on the Past: Securing the Future (2004), pp. 1383-1390 .
   (last updated on 2014/02/13)

   Abstract:
   This is paper presents the benchmark problem definition for seismically excited base-isolated buildings. The objective of this benchmark study is to provide a well defined base isolated building with a broad set of carefully chosen parameter sets, performance measures and guidelines to the participants, so that they can evaluate their control algorithms. The control algorithms may be passive, active or semi-active. The benchmark structure considered is an eight story base isolated building similar to existing buildings in Los Angeles, California. The base isolation system includes both linear and nonlinear bearings and control devices. The superstructure is considered to be a linear elastic system with lateral-torsional behavior. A new nonlinear dynamic analysis program has been developed and made available to facilitate direct comparison of results of different control algorithms.

   Keywords:
   Problem solving;Benchmarking;Elastomers;Friction;Rheology;Parameter estimation;Degrees of freedom (mechanics);Acceleration measurement;Finite element method;Algorithms;Mathematical models;