2024 Vol.7 Aug.N04

• Title: Finite element-based performance analysis of weakly connected nodes in existing buildings
• Name: Rui Guo,Jiaqi Luo
• Company: Jilin Jianzhu University,Changchun,130119,China
• Abstract:

   Due to the complexity of the force situation of weakly connected nodes in existing buildings, the lack of effective setting of the model boundary conditions usually leads to poor analytical results when analyzing the performance of the nodes. In this regard, the performance analysis of weak connection nodes of existing buildings based on finite elements is proposed. The She11181 unit in ANSYS software is used to simulate the working performance of steel, and combined with the linear reinforced elastic-plastic mechanics model to analyze the ontological relationship of steel. Using the segmentation tool in the software, the complex component is divided into several smaller and relatively simple shaped subcomponents according to the geometric characteristics or analysis requirements. The boundary conditions of the model in the loaded state are also constrained and the values of the interlayer displacement angles are calculated. Finally, by applying the static load in the model, combining the mechanical equilibrium equations of the model, and by analyzing the calculation results, the performance indexes of the nodes, such as displacement, stress and strain, are obtained. Finally, the actual node performance analysis effect of the method is verified by constructing an experimental comparison link. By visualizing and analyzing the results, it can be clarified that the compressive load capacity of the model fits better under this analysis method, which has a more ideal analysis effect.

  
  

• Keyword: finite element; weakly connected nodes; mechanical properties; simulation and analysis;
• DOI: 10.12250/jpciams2024090804
• Citation form: Rui Guo,Jiaqi Luo. Finite element-based performance analysis of weakly connected nodes in existing buildings[J]. Computer Informatization and Mechanical System,2024,Vol.7,pp.12-16

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