What question did this study set out to answer?

The aim is to develop a model reduction method for viscoelastic damping in large flexible spacecraft appendages.

March 3, 2026AIAA Journal

Model Reduction Method for Viscoelastic Damping Substructures Based on Interfacial Dynamic Stiffness

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Model reduction reveals effective damping solutions for spacecraft appendages, suggesting improved stability in orbit.

The aim is to develop a model reduction method for viscoelastic damping in large flexible spacecraft appendages.
Theoretical derivation of the interfacial dynamic stiffness matrix
Model reduction applied to a spring–mass system with multiple degrees of freedom
Verification with a finite element model of a full-scale solar array
A symmetric order-reduced model is established
The model reduction process is illustrated and validated through a case study
Practical feasibility is confirmed using a full-scale solar array model

Wang et al. (2026) studied this question.

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