This paper present a profound overview of the history and recent developments in structural impact and crashworthiness analysis applying experimental, analytical, and computational techniques. A study case is provided to show the regular approach of studying an "S" shaped thin-walled beam's crash behaviour through computer modelling and simulation. In the future, experimental and computational atomic scale plasticity techniques such as diffraction and microscopy can be employed in this research area to develop a full understanding of structural impact mechanism by obtaining data and observations at both macroscopic and atomic level.
In recent years, many nations have been creating newer, more efficient sources of energy and appropriate legislation with which to drive these new economic frontiers. Wind power or wind energy is one of those energy sources that is used for generating electricity and helping us up to a large extent to cope with humankind's increasing needs and demands of electricity. Countries in Europe, parts of Asia, and the Americas, such as the U.S., China, and Germany, are in the forefront of this technological and environmental revolution, and, as a result, have seen large support and success in the endeavor for clean energy. Modern variable-axis wind turbines have been and are continuing to be very popular and moderately efficient forms of this clean energy. Changes in American energy policy have facilitated the transition towards new energy systems, including wind energy; however, Louisiana-which is largely an oil and gas state-is not showing much, if any, initiative to capitalize and integrate towards these energy sources. An outline of the economic growth of Europe, China, and the whole U.S.A will show that this industry, supported by manufacturers and labor sources, is a viable and profitable form of clean energy.
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