Circular initial condition on a cartesian mesh -- CFD Online Discussion Forums

March 28, 2008, 07:35	Circular initial condition on a cartesian mesh	#1
jinwon park Guest Posts: n/a	I am using the smoothed heaviside function to impose the circular I.C. on a cartesian mesh. There are a little stair-case effects in simulations. Could anyone advice me to prevent unphysical stair-case effects(zig-zag) in the case where a circular I.C. is embedded on a cartesian mesh?

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