Research on intelligent design of key joints in forking column
Aiming at the problems of less initial design and selection schemes and long time-consuming repeated optimization of the forking column joints of the corridor of Dalian Jinzhou Bay Airport,the derivative intelligent design method was used to carry out intelligent design research on the joints.Firstly,the basic method and mathematical model of derivative intelligent design of joints were discussed.Then,the obstacle body model of joint design was established,and 40 alternative schemes were derived by applying load and constraint conditions.Finally,the mechanical performance and quality indexes of joints in various design schemes were evaluated and contrastively discussed with those of intersecting joint model and welded ball joint model.The results show that compared with the initial design model,the No.33 design joint can improve the mechanical performance of the initial model without increasing the mass,and reduce the maximum displacement by 41.87%and the maximum stress by 3.59%.Using the derivative intelligent design method,a large number of model schemes with novel and unique shapes can be automatically generated,including schemes with better mechanical performance and lighter weight,which has good engineering application prospects.
Dalian Jinzhou Bay Airportforking column jointderivative intelligent designintelligent design
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