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Advanced separated spatial representations for hardly separable domains
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DOI：10.1016/j.cma.2019.05.047.png)
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摘要
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This work aims at proposing a new procedure for parametric problems whose separated representation has been considered difficult, or whose SVD compression impacted the results in terms of performance and accuracy. The proposed technique achieves a fully separated representation for layered domains with interfaces exhibiting waviness or - more generally - deviating from planar surfaces, parallel to the coordinate plane. This will make possible a simple separated representation, equivalent to others, already analyzed in some of our former works. To prove the potentialities of the proposed approach, two benchmarks will be addressed, one of them involving an efficient space-time separated representation achieved by considering the same rationale. (C) 2019 Elsevier B.V. All rights reserved.
Keyword:
PGD
Space separated representation
Parametric modeling
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期刊
IF:
7.3
论文数:
1.3W
被引数:
5.6W
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