Relevant background material on approximating a continuous space curve using a discrete set of lines connected at vertices is assembled in this chapter. The formulation uses concepts from the nascent field of discrete differential geometry. The resulting discretized curve is a central component of the discrete elastic rod formulation. In particular, the discrete curvature vector associated with a vertex is used as a measure of bending strains and the length of the edges are used to account for stretching. For the purposes of illustration, the discretization of a helical space curve is discussed in detail.
CITATION STYLE
Jawed, M. K., Novelia, A., & O’Reilly, O. M. (2018). The discretized curve: Vertices, edges, and curvature. In SpringerBriefs in Applied Sciences and Technology (pp. 25–32). Springer Verlag. https://doi.org/10.1007/978-3-319-76965-3_3
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