Loose cable net form-finding method based on catenary element
A technology of catenary unit and relaxed cable net, which is applied in special data processing applications, instruments, electrical digital data processing, etc., and can solve the problems that the mass matrix and stiffness matrix of the cable net cannot be obtained
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[0046] see figure 2 , the present invention provides a form-finding method for slack cable nets based on catenary elements, comprising the following steps:
[0047] Step 101: Given the material parameter D of the relaxed cable network, the geometric parameter S, the topological relationship of the relaxed cable network, and the position of the boundary node P fix ;
[0048] Step 102: According to the boundary node position P fix and the number of cable segments, through differential calculation, set the free node position P in the middle of the cable network free initial value;
[0049] Step 103: Establish a catenary slack cable network model under the action of gravity, such as image 3 As shown, it specifically includes the following steps:
[0050] Step 201: Read the boundary node position P fix information and the middle free node position P free information;
[0051] Step 202: According to the topological relationship of the slack cable network, that is, the corr...
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