... machine learning hydrogen deep learning flight algorithm axial flux motor requirement fluid flow cryogenic hydrogen controller exploration phase university simulation control loop frequency timestep control input thrust neural network Proceedings of the Fifteenth (2024) ISOPE Pacific...

... in IMPG_R zone and the model is validated for solitary waves over the slope. Furthermore, the vegetation is incorporated after the slope and various cases of solitary waves are simulated to see the wave attenuation. vegetation interaction reduction hybrid model fluid dynamics flow in porous...

... study of an explosion in a 20 feet ISO container carrying IMDG Class I cargo. Simplistic solutions using analytical shock pulse generation and propagation were employed with explicit solver, where Friedlander equation and experimental models were characterized as blast wave loads. Simulated...

... ABSTRACT Results of the direct numerical simulation of directional sea surface waves are discussed. We calculate statistical moments for the water displacement, which are determined by the free wave component and by bound harmonics directly from the simulated data using an appropriate spectral...

... be in various states, such as free, dissolved, or mixed, based on the local pressure. The cavitation bubbles and the propeller performance characteristics obtained from the CFD simulation showed good agreement with the available experimental data. INTRODUCTION Cavitation is an unavoidable phenomenon...

..., the industry relies on weakly nonlinear time domain methods to keep simulation time reasonable. Froude Krylov pressures on the instantaneous wetted surface area are estimated, accounting for the non-linear characteristics based on sinusoidal wave profiles. However, evaluating the wave profile accounting...

... ABSTRACT Gap amplification effects between two floating bodies in close proximity under beam sea condition for regular wave is simulated using Coupled FNPT-DualSPHysics model. Numerical and experimental studies have been compared for two different configurations SW (shallow water) and DW (deep...

... and when the bodies have different draft and/or length. In the present paper we validate our in-house solver IITM-RANS3D to simulate the coupled response of twin floating barges, having different draft, in beam sea conditions. Two different configurations have been simulated with monochromatic incident...

... SOLIDWORKS, while ANSYS ICEM CFD was employed to generate an unstructured tetrahedral mesh for discretising the turbine surfaces and flow domain. ANSYS Fluent 2023R2 was used for simulation, applying a k-ω SST turbulence model and the SIMPLE algorithm for pressure-velocity coupling. Initial results showed...

... regression (SR) method to predict the wake of FOWT. First, the FOWT-UALM-SJTU solver, which utilizes large eddy simulation (LES) coupled with unsteady actuator line model (UALM), is used to simulate multiple surge conditions of FOWT and obtain wake velocity field data. Then, a wake model is developed using...

... be a better alternative since such blocks reflect the incoming flow and induce turbulence, thus dissipating energy and reducing flood damage. This study, using DualSPHysics simulations, analyzed the optimal size and positioning of buffer blocks for maximum possible dissipation of flow during extreme events...

... of cruising speeds. A majority of the literature studies dealing with CFD simulations of the ONRT employ conventional body-fitted grids. Studies specifically dealing with ship resistance generally employ an incoming flow over a fixed body. In the present paper, we explore the feasibility of employing...

...., 2015). geologist social responsibility mineral sustainability sustainable development flow metering ejector system geology reservoir surveillance production monitoring application equation flow field and pressure contour production control motive flow rate simulation flow rate...

... data. Then, by implementing the trajectory tracking method based on rudder control, the free-running simulation for ship keeping a certain course in wind and wave is performed. The effects of environmental loads on speed loss are investigated by conducting the simulations for various environmental...

... ABSTRACT In the present study, the two-dimensional tidal current and oil spill numerical model was established by using MIKE21/SA (Spill Analysis). After validation, the model was applied to simulate the diffusion of the oil spill under the second phases of the reclamation project in Bodaozui...

... of crane vessels are based on floating body dynamics using convolution integral, and crane wire is treated as simple spring. Installation structure is assumed as a rigid body with 6DOF motion. As in the experiment, numerical simulations in regular wave are performed. Characteristics of vessel motion...

... in the model. The Cambridge model is modified and make it more responsive to the static characteristics of marine soft soil. The UMAT material constitutive subroutine of finite element software Abaqus is compiled, and a modified Cambridge model of marine soft soil is developed. The static triaxial simulation...

... of bodies developed by Wan Decheng's research team in Shanghai Jiao Tong University is used to numerically investigate complex ship motion problem in stopping maneuver. The simulation starts from the steady state of self-propulsion and the propeller is controlled to a reverse speed to achieve the ship...

... the operation of two or more cranes, which reduces the safety of the operation compared to using one offshore crane. Therefore, we must perform an analysis to confirm the stability of the operation in advance. In this paper, we have developed a simulation for offshore installation operation based...

... of numerical simulations are carried out by the in-house CFD code naoe- FOAM-SJTU, which is developed basing on the open source code OpenFOAM with overset grid capability. The diameter of the cylinder is 0.02m and the KC numbers varies from 3 to 12 corresponding to the attached vortices regime...