Abstract
Unified methods of modeling physical systems are based on the idea that the storage, transmission, and transformation of power and energy among system components and between a system and its surroundings are the fundamental processes underlying a system’s dynamic behavior. Wellstead [W3] states the idea succinctly:
A physical system can be thought of as operating upon a pair of variables whose product is power (or proportional to power). The physical components which make up the system may thus be thought of as energy manipulators which, depending upon the way they are interconnected, process the energy injected into the system in a characteristic fashion which is observed as the system dynamic response.
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© 1998 Springer Science+Business Media New York
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Layton, R.A. (1998). Fundamentals of System Dynamics. In: Principles of Analytical System Dynamics. Mechanical Engineering Series. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-0597-5_2
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DOI: https://doi.org/10.1007/978-1-4612-0597-5_2
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