Page 8 - Numerical Analysis and Modelling in Geomechanics

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3.4 Distribution of the wave-induced pore pressure amplitude around the 71
pipe in a uniform seabed
3.5 Comparison between an anisotropic and isotropic seabed of (a) coarse 73
sand and (b) fine sand
3.6 Distribution of the wave-induced pore pressure against θ in an 75
anisotropic seabed for various values of anisotropic constant (n) in (a)
coarse sand and (b) fine sand
3.7 Distribution of the wave-induced pore pressure against θ in an 76
anisotropic seabed for various values of anisotropic constant (m) in (a)
coarse sand and (b) fine sand
3.8 Distribution of the wave-induced pore pressure against θ in an 77
anisotropic seabed for various values of anisotropic constant (S) in (a)
coarse sand and (b) fine sand
3.9 Distribution of the wave-induced pore pressure against θ in an 79
anisotropic seabed for various values of anisotropic constant (b) in (a)
coarse sand and (b) fine sand
3.10 Distribution of the wave-induced pore pressure against θ in an 80
anisotropic seabed for various values of anisotropic constant (R) in (a)
coarse sand and (b) fine sand
3.11 Configuration of the cover layer for protection of a buried pipeline 81
3.12 Distribution of the wave-induced pore pressure in the vicinity of a 83
buried pipeline in anisotropic seabeds (a) without a cover layer, (b)
with a cover layer of coarse sand, and (c) with a cover layer of gravel
3.13 Distribution of the wave-induced pore pressure against θ in an 84
anisotropic seabed for various values of cover layer depth (B) with a
cover layer of (a) coarse sand and (b) gravel
3.14 Distribution of the wave-induced pore pressure against θ in an 85
anisotropic seabed for various values of cover layer depth (W) with a
cover layer of (a) coarse sand and (b) gravel
3.15 Configuration of wave-seabed-caisson interaction 88
3.16 Finite element meshes in the vicinity of a caisson 90
3.17 Contour of the wave-induced pore pressure in the vicinity of a 91
composite breakwater in sandy seabeds (solid lines are anisotropic
seabed and dashed lines are isotropic seabed)
3.18 Vertical distributions of the wave-induced pore pressure versus the 92
soil depth in (a) coarse sand and (b) fine sand
3.19 Vertical distributions of the wave-induced pore pressure versus the 93
soil depth for various values of Poisson’s ratio µ in (a) coarse sand
xx
and (b) fine sand
3.20 Vertical distributions of the wave-induced pore pressure versus the 94
soil depth for various values of Poisson’s ratio µ in (a) coarse sand
xz
and (b) fine sand