Pipe elbow creation using MATLAB code
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I am done with my MATLAB code which creates as many straight pipes I want. However, I want to connect them using pipe elbow looks like below. Any idea how to create this elbow in MATLAB?
John D'Errico 2023 年 1 月 25 日
編集済み: John D'Errico 2023 年 1 月 25 日
What is not working? Why do you think it is not working?
I would conjecture that one problem you have is you cannot model a 90 degree elbow as you tried to do. Your circles are drawn always parallel to each other. And that MUST be incorrect.
A second problem is you are drawing only circles. They will have no connection to each other along the length of the elbow. And that two will be a problem. So do this better by drawing a true surface, as what I would call a 2-manifold. Setting it up to follow a curve in space is a good idea.
The nice thing is, this makes it also trivial to generate a series of pipes, because the cylinder code I wrote does not care if the centerline path is a linear segment or a circular arc. For example
[pipe1x,pipe1y,pipe1z] = generalCylinder([-1 1 0;0 1 0],0.25,50);
[pipe2x,pipe2y,pipe2z] = generalCylinder([1 0 0;1 -1 0],0.25,50);
phi = linspace(0,pi/2)';
elbowarcxyz = 1*[cos(phi),sin(phi),zeros(numel(phi),1)];
[elbowx,elbowy,elbowz] = generalCylinder(elbowarcxyz,0.25,50);
H1 = surf(pipe1x,pipe1y,pipe1z);
H2 = surf(pipe2x,pipe2y,pipe2z);
H3 = surf(elbowx,elbowy,elbowz);
H1.FaceColor = 'b';
H2.FaceColor = 'g';
H3.FaceColor = 'r';
I attached generalCylinder to this answer.
Now all you need do is create a centerline path through space, and then use the cylinder code to build the cylinder as a surface that follows that path.
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