Abstract
In a design of a hydroplane tsunami barrier, it is required to pay attention sufficiently to the tensile strength of a belt to control the motion of a flap gate. If tsunami attacks cut the control belt by a tensile force exceeding its critical strength, a flap gate could not keep standing posture and the protection function of the barrier for a tsunami would be lost. In the worst case, a flap gate could drift and collide with neighboring coastal structures. Therefore, the prediction of tensile force acting on the belt is a significant issue in a design of a hydroplane tsunami barrier. This paper presents the investigation of the applicability of accurate particle methods to the prediction of the tensile force. The tensile forces for the cases of two types of pressure gradient models such as CMPS and GC methods are compared with an experimental result. The GC method shows superior performance to CMPS method in the prediction of tensile force acting on the belt.
