. The Bulletin of the Beach Erosion Board. Coastal engineering; Shore protection; Beach erosion. r-1 where A Equation 9 is satisfied when ,12b ^zm h'=SC0ST^ (10> and where hz-Hcosf*?p-+e) (11) A V41T2 C2 I4irz C and tanc= |2L (13) These expressions given by equations 10 and 11 show that the fluctuations of the water surfaces in the two reservoirs are sinusoidal with a phase differ- ence £. Substituting the value of h]_s from equation 10 in equation 7 it is seen that ?Tft q=Qmsin£p- (u) which was the first assumption„ Since the results of the test cases show that the values computed on the f
. The Bulletin of the Beach Erosion Board. Coastal engineering; Shore protection; Beach erosion. r-1 where A Equation 9 is satisfied when ,12b ^zm h'=SC0ST^ (10> and where hz-Hcosf*?p-+e) (11) A V41T2 C2 I4irz C and tanc= |2L (13) These expressions given by equations 10 and 11 show that the fluctuations of the water surfaces in the two reservoirs are sinusoidal with a phase differ- ence £. Substituting the value of h]_s from equation 10 in equation 7 it is seen that ?Tft q=Qmsin£p- (u) which was the first assumption„ Since the results of the test cases show that the values computed on the first assumption deviated slightly from the actual gaged data, it is reason- able to assume as a second assumption that the introduction of a third harmonic into the basic equation would produce more accurate results „ FIRST HARMONIC K2 THIRD HARMONIC. FIGURE 3 Hence q=Klsin^l+K2sin^- (15) T Since r% V4 <"» (16) Substituting the value of q from equation 15 and integrating *{"?«* (17) 19. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Beach Erosion Board; United States. Army. Corps of Engineers. Washington, D. C. : The Board
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