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帆船动力学仿真分析
2022-06-29 06:39:00 【studyer_domi】
1、内容简介
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377-可以交流、咨询、答疑
2、内容说明
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3、仿真分析
clc
close all
clear
%% fujin基本参数
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; % 船速
upsilon = 1.0067 ; % 20°下水黏性系数
rou = 1025; % 20°下水的密度
rou_air = 1.29; % 空气密度
Rn = v_boat*L/upsilon; % 帆船雷洛数
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; % 正浮状态下帆动力系数 这个数值不确定 ,随意写的1
Y_dot_So = 1; % 正浮状态下帆动力系数 这个数值不确定 ,随意写的1
x_G_GCE = 0.67;
z_G_GCE = -6.13;
%% Fujin帆船水动力导数
4、参考论文
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