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Sequential broad learning system modeling framework for finite element model updating using incomplete modal data
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DOI：10.1016/j.engstruct.2026.122687.png)
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Abstract
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• A sequential BLS surrogate modeling framework is proposed for finite element model updating using incomplete modal data. • The sample pool is first recursively expanded through purposeful sampling and then periodically pruned to restore its size. • BLS surrogate model is incrementally updated with newly generated samples and full updated after sample pruning. • A hybrid optimization method using analytical first- and second-order derivatives is proposed for purposeful sampling.
Keywords:
BLS surrogate modeling
finite element model updating
incomplete modal data
purposeful sampling
hybrid optimization
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6.4
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2.1W
Citations:
8.7W
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