... of asymmetric wedges through the boundary element method, and discussed the free surface form and pressure distribution under different heel angles. Judge et al. (2004) studied the water entry problem of wedge with both horizontal and vertical velocities through the vortex distribution model. The comparison...

... with deal.ii. In order to verify the CFD-FEM method, this study simulates the slamming of a two-dimensional wedge-shaped body with a base angle of 10° at high speed into the water. Both slamming pressure and structural deformation are compared with the test results. Afterwards, a comparative study was carried...

... inclination angle lateral load wedge-shaped body different initial speed simulation upstream oil & gas water surface different inclination angle water entry positive peak value wedge initial speed equation vertical load oblique free entry peak value time history torque...

... Abstract This paper studies the slamming responses of a wedge structure for the water entry problem. One steel wedge with stiffened panels with a deadrise angle of 45 degrees and a series of free-drop model tests were carried out. An explicit finite element code is applied to simulate...

... responsibility wedge converter experimental investigation wave period different position wave height experimental study wave slamming characteristic characteristic operational condition tank oscillating buoy Proceedings of the Thirty-first (2021) International Ocean and Polar Engineering...

.... In this paper, a two-dimensional wedge slamming in the vicinity of floating ice is studied as one of the fluid-ice-ship interaction problems. Firstly, a tuning-free fluid and structure interaction solver is developed by using the Moving Particle Semi-implicit (MPS), and its accuracy is verified by benchmark...

... ABSTRACT The open source CFD library OpenFOAM is used to simulate the process of the crane lifting cargo into the water. In this paper, overset mesh strategy and the overInterDyMFoam solver are used to solve the process of two-dimensional water entry of a wedge. Firstly, the pressure...

... of the whole process of plunging breaking waves generated by a sharp wedge-shaped bow and the velocity and vorticity field in the region of the bow and in the breaking waves. A numerical towing tank is constructed with a vertical wedge fixed in the middle of the tank and the incident flow set as uniform...

... al. (2000) included the elastic deformation of the wedge in their analysis. Wu et al. (2004) carried out a numerical and experimental study of this problem. And a new iteration algorithm is proposed, in which the free surface boundary conditions were transformed to integral forms, and the developed...

... in the CFD computations, i.e. varying the mesh and particle resolutions for the URANSE and the SPH, respectively. The study is performed on a selected test case, namely a re- inforced wedge-like section falling into the water. Results are discussed in the light both of the comparison between the two CFD...

... ABSTRACT In this paper, the water entry problem of free-falling twin wedges is studied based on an in-house code, named a Constrained Interpolation Profile (ClP)-based model in Zhejiang University (CIP-ZJU). The model is built on a Cartesian grid system and governed by the incompressible...

... accurately in the design of ships and offshore structures. In this paper, we present the method that we use to measure wave impact force. To validate the reliability of this method, we conducted a well- controlled wedge drop test, and compared the experimental results with CFD simulations and the simplified...

..., the side plates, and the stiffeners attached to the shell plating. Analytical expressions for assessing them are numerous. Lately, Sun et al. (2015) demonstrated an analytical solution to assess the resistance of stiffened plate sustaining wedge-like bow collision. In particular, interaction law between...

... methods relate to the holding power of anchors can be classified into two categories, i.e., empirical method and theoretical method. model test randolph soil surface anchor model anchor soil wedge initial depth fluke wedge hall anchor fluke wedge crown equilibrium shank kinematic...

...) or incompressible (incompressible solver). The models are validated by using the experimental data of a 3D plate dropping case, whereas the detailed investigations focus on 2D wedge dropping with different dead-rise angles and/or tilting angles. The effects of the compressibility are examined by comparing...

... Abstract This paper covers the numerical investigation of slamming problem with 2-D wedge and ship section. Both of them are assumed as a rigid body and dropped into calm water with free falling. Because of the nonlinear behavior of water-entry wedge associated with violent freesurface motion...

... /LTXLG 6ORVKLQJ LQ /1* 7DQN Proc 22nd Int 2FHDQ and Polar Eng Conf 5KRGHVUHHFH =KDQJ :DQ +LQR 7 &RPSDUDWLYH VWXG\ RI 036 PHWKRG DQG OHYHO VHW PHWKRG IRU VORVKLQJ IORZV Journal of hydrodynamics 227 Abstract In the present study, the process of free-falling wedge impacting...

...Lagrangian Approach to the Wedge Entry Problem Using SPH 1umerical 0ethods Hee-Je Chae, Bum-Sang Yoon School of Naval Architecture and Ocean Engineering, University of Ulsan Ulsan, Korea Jong-Chun Park Department of Naval Architecture and Ocean Engineering, Pusan 1ational University Busan, Korea...

... Abstract The open source CFD library OpenFOAM is utilised to simulate the hydrodynamic impact process of 2D wedges. Incompressible multiphase flow solver interFoam is employed to calculate the free fall of structure from air into water using dynamic deforming mesh technique. A convergence...

... Abstract As a part of a worldwide comparative study on water impact, this paper presents the numerical solutions of forces and pressures on a 2-D wedge section and a 2-D ship section. The highly non-linear water entry problem was simulated using a constrained interpolation profile (CIP) based...