Method for equivalence hinged corrugated pipe by coupled variable cross-section beam
A technology of variable cross-section beams and design methods, which can be used in calculations, special data processing applications, instruments, etc., and can solve problems such as difficulty in calculation and debugging.
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[0079] as attached figure 1 According to the steps of implementing the invention, the present invention includes the following four parts: 1) deriving the expression of the relationship between the lateral force and the displacement at the free end of the variable-section beam of the cantilever; 2) simplifying the hinged bellows, and obtaining the real Stiffness data of the two parts of the hinge bellows; 3) Using the hybrid genetic algorithm to optimize the parameters of each variable-section beam to obtain two variable-section beams with equal stiffness in the transverse direction; 4) Given the coupling of the variable-section beam and its connection with the flange method. The following four parts are introduced respectively.
[0080] 1 The relationship between lateral force and displacement of beam with small deflection and variable cross-section
[0081] 1.1 Geometric parameters of variable cross-section beams
[0082] Instructions attached figure 2 Five geometric p...
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