1-20 of 161
Keywords: constraint
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-494
... the optimal rib stiffness distribution. Design variables are the thickness of the cylindrical shell, the sizes of the minimum and maximum T-ring ribs. Constraints include the strength, weight with the same of the optimization scheme of titanium alloy stiffened cylindrical shell with equal rib stiffness...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-505
... as the research subject, the optimization of design space, constraint settings, and manufacturing process constraints in optimization are explored. Through the two-stage optimization process, the design scheme of foundation lattice structure with gradient design is finally obtained. Optimization results indicate...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-590
... deterioration of the main engine and propulsion system due to aging. resistance performance accuracy onboard monitoring data deterioration equation hull fouling machine learning fouling formula artificial intelligence propulsive performance ship propulsive performance constraint deviation...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-550
... the neutral axis. The effectiveness of the proposed method is validated through a case study of an oil tanker mid-ship section with 96 design variables and 1191 constraints using the Mars2000 software based on the Common Structural Rules (CSR). Computational results demonstrate that the optimized solution...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-518
... load, so it is the main indicator to measure the ultimate strength of the hull. modeling & simulation ship longitudinal girder l-bar strength girder engineering mathematics of computing thickness constraint numerical calculation hull boundary constraint displacement nonlinear...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-552
...) generate multiple different ship shapes with fewer design variables while ensuring the smoothness of the generated ship hull surfaces. optimization problem constraint artificial intelligence displacement improved free-form deformation technique manipulation deformation ship ship hull...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-094
... stiffness coefficient stiffness sustainable development converter symmetry talos impact journal actuation social responsibility freedom pto 1 constraint torque vector uniformity talos wec variation Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-104
... prototype scenario reservoir simulation sustainable development assessment section converter constraint formulation information angular displacement representation wavestar prototype synthesis procedure denote torque absorption Proceedings of the Thirty-fourth (2024) International Ocean...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-145
... and complex design constraints related to the nonlinear behavior of the floating systems. Consequently, the computational time is quite expensive. In this paper, surrogate models (e.g. Kriging model, ANN model, polynomial response surface model) are employed to establish the correlation between design...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-150
... turbine (2425 ton) and Msteel is the structural mass, Fpreload is the mooring preload (6.26 MN) divided by the gravity acceleration. Fig. 2: Representation of external loads in Ansys. a) Distribution of hydrostatic pressure. b) Mooring forces at fairleads. c) Reaction force of fixed constraint at tower...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-304
... of planned paths, the optimal control approach is applied to include constraints of the ship's maneuverability. In the context of optimal control problems, Shu et al. (2023) transformed the path planning problem into a multi-objective optimization issue by considering navigation efficiency, navigation costs...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-440
... assessed. The thermal stress developed at different locations of the corrugated hoses with these parameters is found to be governed by two major factors: the boundary constraint and local temperature gradient. The objective of this study is to offer practical insights for the structural strength design...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-513
... at minimizing fuel consumption. In this paper, a model for a simultaneous determination of ship`s path and speed with the constraint of ETA is established. The rhumb algorithm is applied to generate path taking in account the influence of the curvature of the earth. The marine environment forecast data provided...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-534
... on the mapping relationship with DM2 elements, the applicable DoDAF models are selected, and the adapted DoDAF modeling approach is developed based on DM2 constraints. Finally, an activity-centered requirements decomposition approach is proposed to obtain well-defined ship-equipment suitability requirements...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-143
... pipe displacement cloud platform netherlands government subsea wellhead load-bearing ring strength analysis calculation wave force well mouth constraint Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23, 2023 Copyright ©...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-144
... forces and actual forces so that the input constraints can be guaranteed. Then, theoretical analyses are conducted via Lyapunov analysis, which demonstrates that the closed-loop system is semi-globally uniformly ultimately fixed-time bounded. Finally, the effectiveness of the proposed control law...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-112
... Conversion designed a semi-submersible open-sea finfish farm powered entirely by wave and solar energy (Ma et al., 2022). united states government north america government sustainability constraint social responsibility ocean energy net pen sensitivity wec design variable stigebrandt...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-091
... ABSTRACT Optimal control techniques can oversee the power take off (PTO) operation of wave energy conversion systems to ensure that the overall power output is maximized, but optimization in real-time poses difficulties given the wave variability and the underlying constraints of the system...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-269
... robustness predictive control ocean engineering ampc method constraint cmpc method underwater vehicle disturbance steady-state error disturbance force equation ABSTRACT This paper presents an augmented model predictive control (AMPC) method to enhance the motion control performance...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-298
.... Then, the collaborative problem consisting of optimization objective, variables, and constraints is mathematically described. Finally, the particle swarm optimization algorithm (PSO) is employed to solve the optimization problem. A simulation comparison is carried out to verify the effect of the proposed method...

Product(s) added to cart

Close Modal