Numerical Analysis of Space Deployable Structure Based on Shape Memory Polymers

Shape memory polymers (SMPs) have been applied in aerospace engineering as deployable space structures. In this work, the coupled finite element method (FEM) was established based on the generalized Maxwell model and the time–temperature equivalence principle (TTEP). The thermodynamic behavior and s...

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Published in:Micromachines (Basel) 2021-07, Vol.12 (7), p.833
Main Authors: He, Zepeng, Shi, Yang, Feng, Xiangchao, Li, Zhen, Zhang, Yan, Dai, Chunai, Wang, Pengfei, Zhao, Liangyu
Format: Article
Language:English
Subjects:
Aerospace engineering
Biocompatibility
Deployable structures
Epoxy resins
Equivalence principle
Finite element method
Laboratories
Mechanical properties
Numerical analysis
Phase transitions
Polymers
Sample size
Shape effects
Shape memory
shape memory characteristics
shape memory polymers
space structure
Temperature
Thermodynamic properties
time–temperature equivalence principle
Viscoelasticity
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cited_by cdi_FETCH-LOGICAL-c449t-cbb2c7afc7632cea244c5a83e84cc8e6ee9c96380c1481f4b0e88ef824a7e89e3
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container_title Micromachines (Basel)
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Shi, Yang
Feng, Xiangchao
Li, Zhen
Zhang, Yan
Dai, Chunai
Wang, Pengfei
Zhao, Liangyu
description Shape memory polymers (SMPs) have been applied in aerospace engineering as deployable space structures. In this work, the coupled finite element method (FEM) was established based on the generalized Maxwell model and the time–temperature equivalence principle (TTEP). The thermodynamic behavior and shape memory effects of a single-arm deployment structure (F-DS) and four-arm deployment structure (F-DS) based on SMPs were analyzed using the coupled FEM. Good consistency was obtained between the experimental data and simulation data for the tensile and S-DS recovery forces, verifying that the coupled FEM can accurately and reliably describe the thermodynamic behavior and shape memory effects of the SMP structure. The step-by-step driving structure is suitable for use as a large-scale deployment structure in space. This coupled FEM provides a new direction for future research on epoxy SMPs.
doi_str_mv 10.3390/mi12070833
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subjects Aerospace engineering
Biocompatibility
Deployable structures
Epoxy resins
Equivalence principle
Finite element method
Laboratories
Mechanical properties
Numerical analysis
Phase transitions
Polymers
Sample size
Shape effects
Shape memory
shape memory characteristics
shape memory polymers
space structure
Temperature
Thermodynamic properties
time–temperature equivalence principle
Viscoelasticity
title Numerical Analysis of Space Deployable Structure Based on Shape Memory Polymers
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