I'm trying to calculate the curvature of a circle in 2D.
Firstly I set up a distance variable "var" to represent the circular shape.
To calculate the curvature, I took the gradient of "var" and then the
divergence as shown below:
(var.getFaceGrad()).getDivergence() My trouble is : My expectation is to obtain a matrix of curvature and
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at the boundary of circle (where var=0). However, the obtained result from my program showed
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Description: Adobe PDF document
at the boundary. Maybe the method I used focused on the local curvature instead of a global curvature. How can I my original goal? Is there any other method to calculate the curvature in fipy? Thanks, Yunbo
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