A low computational cost optimization procedure for axial load carrying capacity of the multi-beam structure

被引：0
|
作者：
Kotsmid, Stanislav [1 ]
Beno, Pavel [1 ]
机构：
[1] Tech Univ Zvolen, Fac Technol, Dept Mech Mech Engn & Design, Studentska 26, Zvolen 96001, Slovakia
来源：
ENGINEERING FAILURE ANALYSIS | 2023年 / 143卷
关键词：
Optimization; Load carrying capacity; Finite element method; Buckling failure; GRADED TIMOSHENKO BEAM; BUCKLING ANALYSIS; STEEL FRAME; VIBRATION; SYSTEM;
D O I：
10.1016/j.engfailanal.2022.106922
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The paper presents an improved algorithm to compute an axial load carrying capacity of the specific multi-beam structure in order to failure avoidance. The former approach based on the finite element method is reduced to determine a relation between the axial load and axial displacement for a single beam, while the time-consuming FE procedure applied on several beams is replaced with a numerical optimization process. The developed approach provides faster and simpler computation of the minimum axial load carrying capacity of the structure considering the beam length tolerances, where the results are in a good agreement with the complex FE analysis. Supporting theoretical and experimental analyses were performed to confirm the correctness of the mentioned method where the load carrying capacity of the multi-beam structure made up of six steel circular beams was analyzed.
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页数：10
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