Natural hazards engineering plays an important role in minimizing the effects of natural hazards 9 on society through the design of resilient and sustainable infrastructure. The DesignSafe 10 cyberinfrastructure has been developed to enable and facilitate transformative research in natural 11 hazards engineering, which necessarily spans across multiple disciplines and can take advantage 12 of advancements in computation, experimentation, and data analysis. DesignSafe allows researchers to more effectively share and find data using cloud services, perform numerical 14 simulations using high performance computing, and integrate diverse datasets such that researchers can make discoveries that were previously unattainable. This paper describes the design principles used in the cyberinfrastructure development process, introduces the main components of the DesignSafe cyberinfrastructure, and illustrates the use of the DesignSafe cyberinfrastructure in research in natural hazards engineering through various examples.

An equation of the form y = f(x), x ∈ [ a,b] defines a geometrical curve. A microcomputer can draw the curve on its television display. The problems are selecting the proper coordinate system, translating points into the chosen coordinates, and scaling the curve so that it is as large as possible without running off the screen. Simple BASIC programs and an adaptive coordinate system result in a variety of useful, attractive figures.

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