Nakabayashi et al. 1991
Couette flow with wavy fixed wall
Accurate geometry specification, x ranges from 0. to 1.4 m
using spline functions and not the cosine function as indicated 
in original paper

Splines going through the following measured points:
     x [m]       h [mm]
 0.000000E+00 1.094000E+01
 1.750000E-01 1.164000E+01
 3.500000E-01 1.446000E+01
 5.250000E-01 1.776000E+01
 7.000000E-01 1.923000E+01
 8.750000E-01 1.838000E+01
 1.050000E+00 1.503000E+01
 1.225000E+00 1.151000E+01
 1.400000E+00 1.094000E+01


Between x=0.	and x=0.175
h(x)=	
        +1.093999958038E+01     +0.000000000000E+00*x     
        +1.090217136446E+01*x^2 +6.831427078337E+01*x^3
Between x=0.175	and x=0.350
h(x)=	

        +1.168448927948E+01     -1.276268077322E+01*x  
        +8.383177702484E+01*x^2 -7.059926617350E+01*x^3

Between x=0.350	and x=0.525
h(x)=	
        +1.259873228557E+01     -2.059904953034E+01*x  
        +1.062214024265E+02*x^2 -9.192271930012E+01*x^3

Between x=0.525	and x=0.700
h(x)=	
        -1.754661957015E+00     +6.142034986633E+01*x  
        -5.000603209051E+01*x^2 +7.269307120055E+00*x^3

Between x=0.700	and x=0.875
h(x)=	
        +1.054258621540E+01     +8.717856801320E+00*x  
        +2.528324499881E+01*x^2 -2.858273019970E+01*x^3

Between x=0.875	and x=1.050
h(x)=	
        -5.782843867224E+01     +2.431327992732E+02*x  
        -2.426195463976E+02*x^2 +7.347547604656E+01*x^3

Between x=1.050	and x=1.225
h(x)=	
        -1.689117297595E+02     +5.605136453644E+02*x  
        -5.448870325923E+02*x^2 +1.694334125296E+02*x^3

Between x=1.225	and x=1.400
h(x)=	
        +4.533160356803E+02     -9.633094240142E+02*x  
        +6.990501426900E+02*x^2 -1.690528870818E+02*x^3