In 1906 the great San Francisco earthquake and fire destroyed much of the city. As we approach the 100-year anniversary of that event, a critical concern is the hazard posed by another such earthquake. In this article, we examine the assumptions presently used to compute the probability of occurrence of these earthquakes. We also present the results of a numerical simulation of interacting faul...

In an earthquake situation, medical response communities such as field and referral hospitals are being challenged with injured victims’ identification and tracking. In our project, we developed a patient tracking platform (PTP). In this platform, first responders triage the patients with an electronic tag that reports the location and some information of each patient during his or her movement...

In this paper, the combination of RBF (Radial Basis Function) neural network and sliding mode control, which is used for vibration control, is examined. The approach is based on a sliding mode control methodology which drives the system towards a sliding surface by tuning the parameters of the controller using Gaussian radial basis function neural network. The input and output of RBF neural net...

SeisSol is a simulation software for seismic wave propagation and earthquake scenarios. It solves the fully elastic wave equations in heterogeneous media. Incorporating dynamic rupture simulation it performs complex multiphysics earthquake simulations. To account for complicated geometries SeisSol uses a fully unstructured tetrahedral mesh. Recent publications [1], [2] have shown that SeisSol i...

Oki earthquake. Here we combine deterministic inversion and dynamically guided forward simulation methods to model over one thousand high-rate GPS and strong motion observations from 0 to 0.25 Hz across the entire Honshu Island. Our results display distinct styles of rupture with a deeper generic interplate event ( Mw8.5) transitioning to a shallow tsunamigenic earthquake ( Mw9.0) at about 25 k...

This paper presents the evaluation of seismic performance and cost-effectiveness of a multiple slim-type damper system developed for the vibration control of earthquake excited buildings. The multiple slim-type damper (MSD) that consists of several small slim-type dampers and linkage units can control damping capacity easily by changing the number of small dampers. To evaluate the performance o...

The paper deals with the reliability–based design optimization (RBDO) of concrete gravity dams subjected to earthquake load using subset simulation. The optimization problem is formulated such that the optimal shape of concrete gravity dam described by a number of variables is found by minimizing the total cost of concrete gravity dam for the given target reliability. In order to achieve this p...

An objective of earthquake study is to estimate possible disaster when a large earthquake hits a metropolis. The disaster is the accumulation of buildings and structures. Thus, a numerical simulation method must compute the strong motion with the spatial and temporal resolution high enough to calculate structural responses during the quake and to evaluate their damages. Due to the advancement o...

The paper is an analysis of buildings behavior during strong earthquakes, considering the modifications of the structural dynamic characteristics due to strong earthquake generated damages. The study is focused on the difference in a building behavior, function of the mode the structure is situated relative to the seismic ground motion from the spectral point of view: below resonance or above r...

Computer simulations will be key to substantial gains in understanding the earthquake process. Emerging information technologies make possible a major change in the way computers are used and data is accessed. An outline of a realizable computational infrastructure includes standardization of data accessibility, harnessing high-performance computing algorithms, and packaging simulation elements...