Theoretical and Numerical Analysis of Composite Structures

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Structures".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 1616

Special Issue Editors


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Guest Editor
Department of Enterprise Engineering, University of Rome Tor Vergata, Via del Politecnico, 1, 00133 Rome, Italy
Interests: finite element analysis; anisogrid lattice structures; structural engineering; solid mechanics; structural analysis; mechanics of materials; finite element modeling; mechanical behavior of materials; stress analysis; mechanics of composite materials
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Guest Editor
Department of Economics, Engineering, Society and Business Organization, University of Tuscia, Largo dell'Università, Viterbo, Italy
Interests: finite element analysis; structural engineering; mechanics of materials; structural analysis; mechanical engineering; welding; plasticity; friction stir welding; metal foams
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nowadays, composite structures represent a consolidated design opportunity for numerous industrial applications involving plates, shells, and grid structures, especially if the design demands the combination of outstanding structural performances and mass savings. Stemming from the aeronautic and aerospace industries, the interest in this topic is continuously increasing even in other industrial sectors, motivated by the growing need for mass reduction, structural efficiency, and environmental sustainability.

The design of composite structures involves different aspects including structural analysis, buckling assessment, and dynamic analysis. The optimization of the structure is another crucial point, and different techniques have been proposed and are currently being explored. Additionally, the manufacturing process represents an important and determinant challenge for the further diffusion of composite material solutions.

In this context, this Special Issue aims to gather innovative contributions in the field of composite structure design. Original contributions regarding analytical or numerical methodologies of analysis, applied case studies, and the simulation of the manufacturing process are welcome.

Dr. Valerio Belardi
Prof. Dr. Pierluigi Fanelli
Guest Editors

Manuscript Submission Information

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Keywords

  • lattice structures
  • stiffened shell
  • sandwich structures
  • composite material
  • filament winding
  • smeared technique
  • finite element analysis
  • buckling analysis
  • modal analysis
  • experimental data

Published Papers (1 paper)

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Research

22 pages, 6049 KiB  
Article
Axial Compression Performance of Precast Circular Semi-Continuous Concrete-Filled Steel Tube Columns: Finite Element Analysis and Theoretical Modeling
by Bing Cao, Mingming Xie, Bo Huang, Gaoxing Hu and Jiawei Wang
Buildings 2023, 13(2), 284; https://doi.org/10.3390/buildings13020284 - 18 Jan 2023
Cited by 2 | Viewed by 1173
Abstract
A new finite element (FE) model was constructed with ABAQUS, and the applicability of the model was verified by the coincidence with typical damage modes and load-compression curves in the tests, and the axial compression performance of the precast circular semi-continuous concrete-filled steel [...] Read more.
A new finite element (FE) model was constructed with ABAQUS, and the applicability of the model was verified by the coincidence with typical damage modes and load-compression curves in the tests, and the axial compression performance of the precast circular semi-continuous concrete-filled steel tube (PCSCFST) columns was investigated. The effects of diameter-thickness ratio, slenderness ratio, yield strength, etc. on the axial compression performance of the PCSCFST columns were investigated by parametric analysis. The changes in slenderness ratio, yield strength and diameter-thickness ratio of the upper and lower steel tubes have obvious effects on the bearing capacity of the specimen, while the changes in bolt diameter and diameter-thickness ratio of the outer steel tube have little effects on the bearing capacity. In particular, the diameter ratio of bolt to steel tube (d/D) increases to 1/10, the bearing capacity increases slightly, the ratio (d/D) continues to increase until the bearing capacity decreases slightly, and the bearing capacity appears to increase significantly after the ratio (d/D) reaches 1/7; the yield strength ratio of bolt to upper and lower steel tube (fyb/fy1) increases from 1 to 2, the bearing capacity decreases slightly, and the bearing capacity increases significantly when the ratio (fyb/fy1) reaches about 2. After that, the change is minimal. In addition, a theoretical model was developed to predict the ultimate bearing capacity of the PCSCFST columns, and a close correlation was found between the FE simulation results and the theoretical model. The mean ratio of the FE ultimate load Nu,FE to the predicted ultimate load Nu,pre was 1.006 with a standard deviation of 0.0389. Full article
(This article belongs to the Special Issue Theoretical and Numerical Analysis of Composite Structures)
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