A common trap among many novice (and experienced) analysts is to over-simplify simulation models. While this unquestionably saves time, one runs the risk of producing inaccurate results. For example, representing generators, motors, rotors and so on as rigid mass components of a larger system is often an over-simplification. These and other products / components require a degree of fidelity that more closely correlates with actual levels of stiffness. There is a level of experience required to gauge this balance of detail. Similarly, testing can be used to help define such parameters.
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