An Optimal Method for Designing Torsional Sections of T-beams
A technology of section design and optimization method, applied in the direction of instrument, geometric CAD, electrical and digital data processing, etc., can solve the problems of unreasonable design of T-beam section size, threat to the safety of the overall structure, and reduction of the stiffness of civil structures, etc. Application value, avoiding beam cracking, and the effect of small torsional deformation of the structure
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[0022] The above solution will be further described below in conjunction with specific embodiments. It should be understood that these examples are used to illustrate the present invention and not to limit the scope of the present invention. The implementation conditions adopted in the examples can be further adjusted according to the conditions of the specific construction and design units, and the unspecified implementation conditions are usually the conditions in routine experiments.
[0023] Specific embodiment mode:
[0024] 1. Governing differential equations and boundary conditions for torsional vibration of T-shaped structures
[0025] 1.1 Setting of mechanical parameters
[0026] right figure 1 For the T-beam structure shown, if the span of the structure is L, when the structure is in a torsion state, let its dynamic torsion angle be θ(x,t). Then, when the T-beam is under steady-state torsional vibration, its various potential energies are:
[0027] T-beam load p...
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