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3 cards from this section. Quick, good the night before a test.
What is the Dirac Delta function?
Consider its role in representing point effects.
Describe the rectangular approximation of the Dirac delta function.
Think about its graphical representation.
What is the main purpose of the Dirac delta function in engineering?
Think about what kinds of effects are best represented as singularities.
_true or false: The Gaussian approximation of the Dirac delta function is a spike in form.
Think about the shape of the Gaussian function.
A beam carries a concentrated point load represented by a Dirac delta function at a location 'a'. How would this load change if it were applied over a 0.1m length instead?
Consider how changing from delta function to a rectangular could affect your integrals.
In an engineering problem, explain the implications of assuming a Dirac delta function when analyzing a force that actually spreads over a small area.
Think of how forces act over time and physical space in real conditions.
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