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- Title
津波石・台風石および被覆ブロックの移動解析へのSPH 法の適用.
- Authors
安 田 誠 宏
- Abstract
Smoothed Particle Hydrodynamics (SPH), which is a Lagrangian meshless method, is known as very useful method for large deformation problems, such as movement of wave absorbing blocks and sliding of a caisson breakwater. This study aims to simulate the movement of tsunami boulders and storm boulders, comparing with the hydraulic experiment, and evaluating the transport characteristics. The study also aims to clarify the scattering process of armour blocks on the additional rubble mound behind breakwaters against tsunami overflows. The series of simulation show the difference of movement characteristics between tsunami and storm boulders are caused by the difference of acting direction of tsunami and random waves on boulders, and hydrodynamic forces acting on the block differed depending on the block shape and initial water level conditions.
- Subjects
BOULDERS; HYDRODYNAMICS; BREAKWATERS; CAISSONS; TSUNAMIS; WATER levels
- Publication
Japanese Journal of Multiphase Flow, 2023, Vol 37, Issue 3, p308
- ISSN
0914-2843
- Publication type
Article