(HP-67/97) Coastal Engineering Technical Aid No. 82-1 (1)

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An extract from Coastal Engineering Technical Aid No. 82-1, Hand-Held Calculator Algorithms for Coastal Engineering, USA-CoE, Coastal Engineering Research Center, CETA 82-1, January 1982, 71 pages

"   ABSTRACT
   This report provides algorithms for a number of calculator programs useful
in performing coastal engineering calculations, primarily in the area of wave
transformations and wave generation. Six programs are included with different
versions for use with hand-held calculators which employ either the Reverse
Polish Notation (RPN) or the Algebraic Operating System (AOS) . These programs
can be used to compute linear wave parameters, orbital velocities, breaking
wave height and direction, shallow-water wave forecasts, depth-limited breaking
wave height, and wave transmission past a vertical barrier.
…
                              CONTENTS
…
II PROGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   7
  1. 100R Linear Wave Theory Wavelength (RPN logic) . . . . . . . . . . . . . . . .   9
      100A Linear Wave Theory Wavelength (RPN logic) . . . . . . . . . . . . . . . . 12
  2. 100R Calculation of Wave Parameters from Linear Theory (RPN logic) . . . . 16
     100A Calculation of Wave Parameters from Linear Theory (AOS logic) . . . . 21
  3. 102R Linear Wave Approximation to Breaking Wave Height
        and Breaking Wave Angle (RPN logic) . . . . . . . . . . . . . . . . . . . . . . . . 29
      102A Linear Wave Approximation to Breaking Wave Height
        and Breaking Wave Angle (AOS logic)  . . . . . . . . . . . . . . . . . . . . . . . 34
  4. 103R Shallow-Water Wave Forecasting Equations
       (RPN logic)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
     103A Shallow-Water Wave Forecasting Equations
       (AOS logic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
  5. 104R Depth-Limited Design Breaking Wave Height at
       Structure (RPN logic)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
      104A Depth-Limited Design Breaking Wave Height at
        Structure (AOS logic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
  6. 105R Wave Transmission - Fuchs' Equation (RPN logic) . . . . . . . . . . . . . 58
      105A Wave Transmission - Fuchs' Equation (AOS logic)  . . . . . . . . . . . . 61
…
I. INTRODUCTION
…
   Since subtle differences exist among various brands of calculators and
among various models by the same manufacturer, the programs presented may need
to be modified to adapt them to other brands or models. These programs were
prepared and checked, using the Texas Instruments TI-59 (AOS) and the Hewlett-
Packard HP67 (RPN) …
… "

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