Volvelle Denoville 3 variables pour l'heure de la marée
Author: phm - Observatoire de Lyon - France

texte1

Animation volvelle
Heure marée 3 var.
J.B. Denoville
ASSP Rouen

g = 10
α = 0.8464846872172498 rad (slider from 0 to 6.283185307179586, step 0.008726646259971648)
ha: 2529.0 / g / 2.0
hb: 2822.0 / g / 2.0
lb: 1664.0 / g / 2.0
X3: (-(lb), -(hb))
X4: (lb, -(hb))
P3: (sqrt(x(X3)^(2.0) + y(X3)^(2.0)); 180.0° + atan(hb / lb) + α)
P4: (sqrt(x(X3)^(2.0) + y(X3)^(2.0)); -atan(hb / lb) + α)
la: 2278.0 / g / 2.0
lc: 1968.0 / g / 2.0
hc: 1968.0 / g / 2.0
X5: (-(lc), -(hc))
X6: (lc, -(hc))
β = 0.47123889803846897 rad (slider from 0 to 6.283185307179586, step 0.017453292519943295)
P6: (sqrt(x(X6)^(2.0) + y(X6)^(2.0)); -atan(hc / lc) + β)
P5: (sqrt(x(X6)^(2.0) + y(X6)^(2.0)); 180.0° + atan(hc / lc) + β)
X1: (-(la), -(ha))
X2: (la, -(ha))