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2 cards from this section. Quick, good the night before a test.
What does the Dirac delta function represent mathematically?
Think about where it is non-zero.
How does the Dirac delta function aid in achieving weak formulations in FEM?
Focus on point evaluation.
What is the integral of the Dirac delta function over its entire domain?
Think about what the function captures in its behavior.
True or False: The Dirac delta function is a traditional continuous function.
Recall the definition we discussed.
Derive the weak form of a simple differential equation using the Dirac delta function as a point source.
Review the definitions of weak formulations and point evaluations.
Create a FEM model for a cantilever beam subjected to a point load at its free end using delta functions.
Think about your boundary conditions and how the delta function influences load applications.
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