Simulation analysis of sailing dynamics

1、 Content abstract

A little
377- Can communicate 、 consulting 、 Answering question

2、 Content description

A little

3、 Simulation analysis

clc
close all
clear
%% fujin The basic parameters
g = 9.8;
m = 4410;
mx = 160;
my = 2410;
mz =12000;

Ixx = 177000;
Jxx = 15300;
Iyy = 33100;
Jyy = 42400;
Izz = 17200;
Jzz = 6700;

GM = 1.45;
L = 8.8; % Lwl
D = 2.02; % draft

Sa = 59.3;
Swhull = 21;

v_boat = 1; % Ship speed
upsilon = 1.0067 ; % 20° Water viscosity coefficient  
rou = 1025; % 20° The density of the water
rou_air = 1.29; % Air density
Rn = v_boat*L/upsilon; % Sailboat Rayleigh number
Cf  = 0.075/(log(Rn)-2)^2;
Rf = Cf * 0.5* rou *v_boat^2*Swhull;
Rr = 0.02 * m *g;

X_dot_So = 1; % The dynamic coefficient of the sail in the positive floating state This value is uncertain , It's random 1
Y_dot_So = 1; % The dynamic coefficient of the sail in the positive floating state This value is uncertain , It's random 1

x_G_GCE = 0.67;
z_G_GCE = -6.13;
%% Fujin Hydrodynamic derivatives of sailboats

 

4、 Reference paper

A little