DataVXJournal of Sandwich Structures & MaterialsPaper
journal article·2021-09

Free vibration and axial compression of all-metallic cylindrical and truncated conical sandwich shells with corrugated cores

Mao Yang, Bin Han, Peng-Bo Su, Zi-Han Wei, Qi Zhang, Qian-Cheng Zhang, Tian Jian Lu

Journal of Sandwich Structures & Materials· Volume 23· Issue 6
Publisher page
Source abstract

Abstract

All-metallic sandwich-walled cylindrical and conical structures for aerospace applications often require simultaneous excellent vibration and load-carrying capacities. In the present study, the free vibration and axial compression behaviors of cylindrical and truncated conical sandwich shells with corrugated cores are investigated using a combined experimental and numerical approach. Excellent agreement between experimental measurements and finite element simulations for representative vibration and axial compression characteristics is achieved. Parametric studies based on the response surface model are subsequently performed to quantify the influence of key geometrical parameters on vibration and axial compression performance. A multi-functional collaborative design to meet the requirement of high load-bearing capacity subjected to the constraint of low natural frequency is also carried out, which demonstrates the unique advantages of the novel sandwich-walled shells for aeronautical and astronautical applications.
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Research context

OpenAlex topics: Cellular and Composite Structures · Structural Analysis and Optimization · Composite Structure Analysis and Optimization

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi'an Jiaotong University, Xi'an, China

School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an, PR China

Research Institute of Xi’an Jiaotong University, Hangzhou, China

Nanjing Center for Multifunctional Lightweight Materials and Structures, Nanjing University of Aeronautics and Astronautics, Nanjing, PR China

Funding

the Zhejiang Provincial Natural Science Foundation of China · the National Key R&D Program of China · the Aviation Science Foundation Project · the Open Fund of the State Key Laboratory of Mechanics and Control of Mechanical Structures · Natural Science Basic Research Plan in Shaanxi Province of China · the China Postdoctoral Science Foundation · the Open Project for Key Laboratory of Intense Dynamic Loading and Effect · the National Natural Science Foundation of China · the Postdoctoral Scientific Research Project of Shaanxi Province

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