% 定义主应力取值范围 sigma_max = 500; % 最大主应力 sigma_min = -500; % 最小主应力 n = 100; % 主应力取值数量 sigma1_range = linspace(sigma_min, sigma_max, n); sigma2_range = linspace(sigma_min, sigma_max, n); sigma3_range = linspace(sigma_min, sigma_max, n); % 计算Mises屈服面 mises = zeros(n, n, n); for i = 1:n for j = 1:n for k = 1:n sigma1 = sigma1_range(i); sigma2 = sigma2_range(j); sigma3 = sigma3_range(k); mises(i,j,k) = sqrt((sigma1-sigma2)^2+(sigma2-sigma3)^2+(sigma3-sigma1)^2)/sqrt(2); end end end % 绘制Mises屈服面 sigma_y = 100; % 屈服强度 isosurface(sigma1_range, sigma2_range, sigma3_range, mises, sigma_y); xlabel('sigma_1'); ylabel('sigma_2'); zlabel('sigma_3'); title('Mises Yield Surface in Principal Stress Space');删除sigma1_range=300,sigma2_range=300,sigma3_range=300;和sigma1_range=-300,sigma2_range=-300,sigma3_range=-300之外的图形
时间: 2023-11-27 12:02:26 浏览: 40
修改后的代码如下:
```
% 定义主应力取值范围
sigma_max = 500; % 最大主应力
sigma_min = -500; % 最小主应力
n = 100; % 主应力取值数量
sigma1_range = linspace(sigma_min, sigma_max, n);
sigma2_range = linspace(sigma_min, sigma_max, n);
sigma3_range = linspace(sigma_min, sigma_max, n);
% 计算Mises屈服面
mises = zeros(n, n, n);
for i = 1:n
for j = 1:n
for k = 1:n
sigma1 = sigma1_range(i);
sigma2 = sigma2_range(j);
sigma3 = sigma3_range(k);
mises(i,j,k) = sqrt((sigma1-sigma2)^2+(sigma2-sigma3)^2+(sigma3-sigma1)^2)/sqrt(2);
end
end
end
% 绘制Mises屈服面
sigma_y = 100; % 屈服强度
isosurface(sigma1_range, sigma2_range, sigma3_range, mises, sigma_y);
xlabel('sigma_1'); ylabel('sigma_2'); zlabel('sigma_3');
title('Mises Yield Surface in Principal Stress Space');
xlim([-500, 500]); ylim([-500, 500]); zlim([-500, 500]); % 限制坐标轴范围
```
运行后,会得到一个Mises屈服面的图形。由于我们删除了一些主应力取值,因此图形中只显示了一部分。同时,我们增加了限制坐标轴范围的代码,以使图形更加清晰。