... different scales respectively. Finally, A large-scale and a small-scale network are trained separately to achieve the response and capture of different process, the trained networks were then tested by predicting the flow fields in future time steps. This work has analyzed the influence of multi-scale...

... improvement method, namely THINC/SW algorithm, it can effectively simulate wave propagation, climbing, rolling, breaking and other violent free surface motion. In this paper, the Cartesian grid algorithm is used to simulate irregular waves. By changing the mesh size, time step, number of linear wave...

... the calculation is an unsteady problem. Considering the influence of time step on the calculation results, the time step was set as 1/300s, 1/600s and 1/1200s respectively for the time uncertainty analysis below. 3898 Fig. 5. 4 meshes with different scales The mesh quantity is listed in Table 2. Table 2...

... by the undeformed blade geometry without consideration of fluid-structure interaction. deformation hydrodynamic performance time step geometry propeller interaction fluid-structure interaction fsi marine propeller simulation mesh characteristic upstream oil & gas numerical investigation...

... of nonlinear waves. By exploring and analyzing the factors affecting the accuracy of numerical wave simulation such as grid division and time step, the appropriate numerical simulation method is obtained under the premise of ensuring the computational efficiency. This method can provide guidance for related...

... deformable body incompressible two-phase flow cfd solver time step Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai, China, June 5 10, 2022 Copyright © 2022 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1-880653-81-4...

... liquid particle simulation transportation characteristic particle particle cluster characteristic particle number density solid particle formula horizontal pipeline solid particle cluster upstream oil & gas pipeline time step drag force velocity distribution interaction Proceedings...

..., the deformation of the elastic plate at each step is taken into account, making the solution more reliable. The data is passed between the structure and the fluid in real time and only moves to the next time step when it converges simultaneously. NUMERICAL METHOD Fluid-structure interaction is produced...

... ABSTRACT During the coupled time domain dynamic simulation, it's been considered more accurate to use filtered slow drift motion rather than the total motion of each time step for wave phase shift calculation. Butterworth filter is one of the most widely used low pass filter due to its...

... excitation force ocean energy wave excitation force deep learning machine learning prediction model regular wave wec artificial intelligence prediction neuron neural network wave force time step wave elevation coefficient amplitude equation optimal control prediction result...

... to obtain installation developed in the Wilson- method iteration steps, i.e., by predicting the operating window, weak point analysis and fatigue analysis. In riser body vibration velocity two steps before the current time step. A commonly used commercial software, the wave-induced vibration in IL...

... time-step convergence studies are performed to determine the proper grid and time-step. Self-propulsion simulations are then conducted using = 32222 (20) discretized propeller and body-force models respectively to analyze the differences on the self-propulsion performance caused by the different where...

... as a whole is similar to the flexible plate with high aspect ratio. In this work, using the commercial software ANSYS Fluent and Mechanical APDL to calculate the complex flexible plate. In the two-way coupling analysis, the deformation of the flexible plate at each time step is considered, which makes...

... of Steep Focused Waves with Fixed and Moving Cylinder" has conducted a series of experimental study on impact loads acting on a fixed and moving cylinder. engineering simulation time step upstream oil & gas model test time history amplitude case experimental value cylinder numerical...

... frequency time step mesh nonlinear simulation reservoir simulation wave force cylinder free surface gravity center heave motion amplitude wave interaction Fully nonlinear simulation of wave interaction with a freely floating cylinder Zi-Lin Zhang, Shi-Li Sun*, Hui-Long Ren College...

... resolution are of prime interest. In the widely used WAVEWATCH III (WW3) wave model, the most traditional way (Multi-grid) is to nest one or several regional grids within a large coarse resolution grid with data exchange between grids at relevant model time step (Tolman, 2008). This multi-grid method calls...

... isochrone vector navigation ship operation fracture optimization vertex polygon time step algorithm isochrone polygon calculation ice chart reference point ice zone artificial intelligence ship movement ice condition hydraulic fracturing ice parameter optimal path...

... geometries in calm water from pressure measurements in flooding compartments. compartment wave gauge numerical simulation waterflooding calm water water flood equation enhanced recovery time step investigation asymmetry case ocean eng upstream oil & gas time history ship compartment...

.... interaction elastic gate free surface flow simulation deformation mp method fsi problem elastic plate experiment upstream oil & gas artificial intelligence zhang time step engineering particle fluid-structure interaction problem subdomain fluid subdomain elastic obstacle Improved MPS...

... reservoir simulation time step ferrant platform design subsea system wave runup cylinder free surface wave force fluid modeling renewable energy weak-scatterer approximation faltinsen approximation numerical result offshore projects planning and execution nonlinear potential flow...