how to convert u(r,z) (axisymmetric) data to u(x,y,z)??
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I have an axisymmetric velocity vector field in cylindrical coordinate system (r,z), where r is the radius (sqrt(x^2+y^2)) and z is the axis.
theta is the angle between the radius and x-axis and actually revolves around z-axis.
My question is:
if u(r,z) is the velocity vector in cylindrical coordinate system, then
how to convert u(r,z) (axisymmetric) data to u(x,y,z)??
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Roger Stafford
2017 年 1 月 16 日
Probably I don't understand your question, but it would seem that the following is the obvious answer, where uppercase 'U' is the function of x, y, and z and lowercase 'u' is the function of 'r' and 'z':
U(x,y,z) = u(sqrt(x^2+y^2),z)
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