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Dynamic layout optimization of truss subjected to a time-dependent load by isogeometric-analysis-based stiffness spreading method
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DOI：10.1016/j.rineng.2026.110035.png)
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Abstract
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• An efficient isogeometric analysis based stiffness spreading method is proposed for transient dynamic layout optimization of truss • A POD-Incremental SVD based reduced order model strategy is proposed for isogeometric transient dynamic analysis of a truss structure • Primal-dual reduced-order modeling of truss layout optimization is provided • Several large-scale cases demonstrate the effectiveness of the proposed method
Keywords:
Isogeometric analysis
Stiffness spreading method
Dynamic layout optimization of truss
Proper orthogonal decomposition
Incremental singular value decomposition
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