Keh-Chyuan Tsai

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An online optimization method was proposed in this paper to improve the accuracy of numerical–experimental hybrid simulations of bridges subjected to earthquake forces. The online optimization method aims to solve the problem induced by the inconsistency of the multiple identical bridge piers where only one or a few of them are simulated experimentally by(More)
In order to promote researches in seismic hazard analysis, engineering structural damage assessment, and socio-economic loss estimation in Taiwan, the National Science Council started the HAZ-Taiwan project in 1998. The National Center for Research on Earthquake Engineering also develops the associated application software "Taiwan Earthquake Loss Estimation(More)
Computer software for academic research (e.g. DRAIN2D) is often deficient in Graphical User Interface (GUI) and commercial software doesn’t open GUI’s framework to the user. The advantage of GUI is so evident and the requirements of GUI always exist. Thus, there exist sufficient reasons to research on the GUI’s framework. This article introduces that how to(More)
Real-time hybrid testing is an advanced method for examining the dynamic responses of structures under seismic loading. An inevitable time-delay between the desired and measured displacements would lead to incorrect test results. Therefore, delay compensation is critical for real-time hybrid testing. In this paper, a dual compensation strategy is proposed(More)
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