A Modular and Integrated Optimisation Model for Underwater Vehicles

K. L. Vasudev; R. Sharma; S. K. Bhattacharyya

doi:10.14429/dsj.66.8889

K. L. Vasudev Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai
R. Sharma Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai
S. K. Bhattacharyya Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai

DOI: https://doi.org/10.14429/dsj.66.8889

Keywords: Hydrodynamic drag, genetic algorithm, computational fluid dynamic, computer aided design, underwater vehicles

Abstract

A modular and integrated optimisation model for the design of underwater vehicles is presented. In the proposed optimisation model two modules (i.e. low fidelity and high fidelity) are incorporated and the basic geometric definition of computer aided design (CAD) is integrated with computational fluid dynamic (CFD) analysis. The hydrodynamic drag is considered as single objective with constraints on the geometric parameters of dimension, space and volume. The CAD model is implemented in MATLAB*TM and CFD model is implemented in Shipflow**TM. A real-world design example of an existing underwater vehicles is presented. The applicability of proposed optimisation model is shown. The presented results show that within given set or sets of constraints the application of optimisation model in design results into an efficient hull form.

Author Biographies

K. L. Vasudev, Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai

Mr K.L. Vasudev received his MTech Dual Degree in Naval Architecture from Saint Petersburg State Marine Technical University, Saint Petersburg, Russia in 2010 and recently he has submitted his PhD thesis on ‘Hydrodynamic Optimization of Underwater Vehicles using Genetic Algorithm Integrated with CFD’ to the Indian Institute of Technology Madras, India. His research interests includes: Optimization techniques in engineering, computational fluid dynamics and marine robotics.

R. Sharma, Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai

Dr R. Sharma received his BE (Civil Engineering) from the Indian Institute of Technology, Roorkee (formerly University of Roorkee, Roorkee) in 1994; MTech (Ocean Engineering) in 1999 and PhD (Computer Aided Design and Manufacturing) from the Indian Institute of Technology Kharagpur, India in 2008. Presently, he is working as Associate Professor at the Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai, India. His research interests includes: Computer aided geometric design, computational geometry, visualisation, and their applications in design, manufacturing and robotics; ship production management and dynamic data driven forecasting systems.

S. K. Bhattacharyya, Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai

Prof. S.K. Bhattacharyya received his BTech (H) (Naval Architecture) from the Indian Institute of Technology Kharagpur, in 1978; and MS and PhD in Ocean Engineering from the Indian Institute of Technology Madras, Chennai, India in 1985 and 1989, respectively. Presently, he is working as Professor at the Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai, India. His research interests includes: Computer aided analysis of ship and offshore structures; ship structures, marine hydrodynamics and dynamics of floating bodies.