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d) Provide an example of when you would use the explicit dynamics analysis system.

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The explicit method should be used when the strain rates/velocity is over 10 units/second or 10 m/s respectively. These events can be best exampled by extreme scenarios such as an automotive crash, ballistic event, or even meteor impact. In these cases, the material models do not only need to account for the variation of stress with strain but also the strain rate. On this scale, the strain rates play a particularly important contribution.

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FEA d) Provide an example of when you would use the explicit dynamics analysis system.
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