Variable stiffness and damping components for semi-active vibration control and inflatable rigidization-Reference-Cited by-同舟云学术

Variable stiffness and damping components for semi-active vibration control and inflatable rigidization

Published:2024 Issue: Volume:120 Page:534-542
ISSN:2221-3783
Container-title:IABSE Reports
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Author:

Wang Qinyu¹,Senatore Gennaro²,Jansen Kaspar³,Habraken Arjan⁴,Teuffel Patrick⁴

Affiliation:

1. Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry, Department of Civil Engineering, Tsinghua University, Beijing 100084, China

2. ILEK – Institute for Lightweight Structures and Conceptual Design, University of Stuttgart, Pfaffenwaldring 7 70569 Stuttgart, Germany

3. Department of Design Engineering, TU Delft, 2628 CE Delft, NL

4. Chair of Innovative Structural Design (ISD), Department of Built Environment, TU Eindhoven, Eindhoven, the Netherlands

Abstract

<p>The paper explores the potential applications of adaptive components based on shape memory polymer (SMP) composites in vibration control of plate/shell structures and rigidization of inflatable structures. These components achieve stiffness and damping variation by thermally actuating SMP between its glassy and rubbery states. In CASE A, steel-SMP sandwich plates of a truss bridge are actuated to glass transition temperature (Tg), where material damping reaches the peak to mitigate dynamic responses. CASE B proposes a simple and reversible rigidization method for inflatable structures, creating high compaction ratio and design flexibility. Converting the SMP layer between its glassy and rubbery states, inflatable structures achieve multiple functions during transportation, construction, and service life. SMP-based adaptive components enhance structural performance and mitigate dynamic effects in demanding environments for various structures.</p>

Publisher

International Association for Bridge and Structural Engineering (IABSE)

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