algorithm

• vorticity measures the tendency of a vectorfield to rotate around a point
• calculates vorticity of a vector field components around x-, y- and z-axis in each point of the field
• uses fourth order gradients

syntax

vortz=vort3dord4(x_velocity,y_velocity,z-velocity,step)

example for input

vortz=vort3dord4(x_velocity,y_velocity,z_velocity,step)

input arguments

output arguments

matlab tools required

• gradient

corresponding 2d tools

• vort2dord4