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http://hi.baidu.com/smallqiao/blog/item/ea25d872c6b18b018601b029.html
四端简支 模态阵型三维图
% The mode shape of a simply supported panel mode(n1,n2)
n1=2;
n2=2;
Lx=0.7; %demensions
Ly=0.54;
x=0:.01:Lx;%节点
y=0:.01:Ly;
[X,Y]=meshgrid(x,y); %mesh
Modal_shape=4*sin(n1*pi*X/Lx).*sin(n2*pi*Y/Ly); % the formulation of modal shape
for ii=1:20
for i=-100:2:100
surf(X,Y,0.01*i*Modal_shape)
axis([0 Lx 0 Ly -4 4])
pause(0.001)
xlabel('mode(1,2)')
end
end |
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