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Table 1 High-frequency keywords and high-centrality keywords for the hydrodynamic effects of elevated pile cap foundations

From: Review of the hydrodynamic challenges in the design of elevated pile cap foundations for sea-crossing bridges

High-frequency Keywords High-centrality Keywords
Keyword Frequency Betweenness centrality Keyword Frequency Betweenness centrality
Sea-crossing bridge 63 0.23 Wave force 18 0.24
Fluid-structure interaction 35 0.24 Fluid-structure interaction 35 0.24
Wave 34 0.18 Sea-crossing bridge 63 0.23
Finite element method 28 0.15 Wave-current interaction 13 0.23
Bridge engineering 26 0.07 Wave-current force 9 0.21
Pile cap 25 0.04 Wave 34 0.18
Current force 23 0.03 Pile foundation 20 0.16
CFD 23 0.01 Finite element method 28 0.15
Pile foundation 20 0.16 Numerical 10 0.15
Wave force 18 0.24 Dynamic response 16 0.11
Dynamic response 16 0.11 Morison equation 8 0.11