... and the high-fidelity simulation model, this paper obtains the numerical computation and the actual measured stress data, and combines the stress amplitude response operator ( RAO ) corresponding to the measurement points with the transition amplitude response operator ( T_RAO) between the measurement points...

... the crane vessel and the topside. This paper numerically and experimentally investigates the coupling motions of the crane vessel HYSY201 and 3000-ton topside. The in-house code is developed to investigate the 9 DOF motion of the vessel and the 3 DOF motion of the topside. In the numerical simulation...

... current parameters from motion records of an FPSO (Floating Production Storage and Offloading) unit. Numerical simulations with the dynamic model of the platform subjected to metocean conditions observed offshore the Brazilian coast are taken into account to generate time series of motions in 6 degrees...

... sea 0 buoyancy state intellectual property office bridge simulation Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering Conference Rhodes, Greece, June 16 21, 2024 Copyright © 2024 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1...

... to satisfy these standards, and numerical simulation is an efficient and powerful tool to design such scrubber systems. Numerical simulations of discharge of the scrubber water can be found in Ülpre and Eames, (2014). A jet model was simulated close to the drainage hole, and the substance concentration...

... in synthetic environments. Dynamics simulations of the Floating Production Storage and Offloading (FPSO) vessel were performed under varying sea conditions to acquire wave elevation in space and ship motion data. Realistic synthetic images as well as inputs and outputs, captured by dual cameras, were generated...

... for calculating slamming loads on jacket structures by utilizing kinematics from advanced wave simulation. This approach enables the calculation of dynamic loads arising from extreme waves with complex morphologies on jacket structures of varying configurations. The method is demonstrated on a finite element...

... analysis is performed in three steps, as shown in Fig. 4. x-ray ct application defect specification computed tomography powder conference software simulation geometry reliability thermal deformation detection verification x-ray ct capability accuracy Proceedings of the Thirty...

... analysis, accounting for membrane straining as the main mechanism for plastic deformation. The structural solver is coupled with a rigid-body dynamics subroutine to study the combined effects on the floater when it experiences a ship collision. Results are compared with nonlinear finite element simulations...

... stress, stress amplitude, and stress ratio. And this research is aimed at 304 stainless steel. geology amplitude multi-peak overload cyclic loading overload loading amplitude loading international journal mathematics of computing geological subdiscipline plastic deformation simulation...

... mechanism model is established to simulate the turning and zigzag tests. The hydrodynamic coefficients of the bare hull are obtained by numerically simulating the oblique towing tests (OTT) and circular motion tests (CMT) with different drift angles and yaw rates. Combined with the empirical formula...

... in computational power and numerical methods, studying wave breaking through numerical simulations has become feasible. Wang et al. (2016) conducted numerical simulations of three-dimensional wave breaking using a uniform Cartesian grid with a total grid count of 12 billion, revealing the formation process...

... on simulation; and the optimization effect is verified through tests. The optimization process is as follows: firstly, obtaining the initial hull form through research, constraining displacement, local scales, and other arrangement-related parameters. Secondly, several local hull parameters are extracted...

... between the rudder and shaft centerline of ships under construction was measured. The collected data exhibited the similar tendency with results obtained through simulations. Consequently, the validity of the applying the analysis procedure to estimate weld-induced deformation in the large metal structure...

... resistance in the various wave conditions (head sea and oblique sea) was estimated through CFD simulation, and the added resistance in the situation of the long-crested irregular and short-crested irregular waves was estimated. For long-crested irregular conditions, direct computation and spectral methods...

... is a serious problem. To overcome the problem, we propose a hull force representation model by using ML. For the validation of accuracy, we compare simulation results by our proposed method and the conventional models. INTRODUCTION To simulate the manoeuvring motion of a ship, we use motion equations...

... height, which are used to generate various hull forms. To predict the resistance performance of the hull forms scheme, a Back Propagation Neural Network (BP-NN) is constructed based on high-fidelity Computational Fluid Dynamics (CFD) simulation data. The automatic optimization process is formed...

... learning algorithm, we wanted to derive a rule to classify the collision avoidance points determined in AIS data. By applying the optimal collision avoidance timing obtained through this process to the collision avoidance system and validating it through simulation, we confirmed the system's performance...

... simulation Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering Conference Rhodes, Greece, June 16 21, 2024 Copyright © 2024 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1-880653-78-4; ISSN 1098-6189 www.isope.org A comparison of design...

... ABSTRACT This paper proposes model-based reinforcement learning for trajectory tracking of surface ships. To avoid the exploration of reinforcement learning in the physical environment, we construct a maneuvering simulation environment consisting of a ship maneuvering model, an actuator...