0 not worried about something, especially when this is slightly surprising:
Simultaneous multiple-point measurements were therefore made to provide information about these structures in the unperturbed and recovering boundary layer.
One complete set of measurements was made upstream of curvature in the unperturbed boundary layer, and this constituted a reference set.
The perturbations were assumed to be of sufficiently short wavelengths to justify the slow time and radiusfrozen-in approximation for the unperturbed systems.
In this latter case, one regards (3.1)-(3.3) as generating unperturbed bulk solutions which shall drive the perturbed modes seen as test modes.
Thus, surprisingly, the long-term relaxation from stabilizing curvature resulted in increased turbulent mixing, compared to the unperturbed boundary layer.
The analysis of ribbing necessarily starts from a mathematical description of the unperturbed base state, a steady, two-dimensional viscous freesurface flow.
The unperturbed dipole initially propagates along the x-axis with = 0 and = 0.
The front of the drop always regains its unperturbed spherical shape.
