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In power and energy systems, both the aerodynamic performance and the structure reliability of turbine equipment are affected by utilized blades. In general, the design process of blade is high dimensional and nonlinear. Different coupled disciplines are also involved during this process. Moreover, unavoidable uncertainties are transported and accumulated between these coupled disciplines, which may...
In remotely operated vehicle (ROV), worm gearing is usually used to transfer movement and power between two staggered axes. In the design process of worm gearing, complex gear face and the exist of uncertainty make its design and modeling so difficult will affect its reliability. In this paper, a reliability-based design (RBD) method is proposed for worm gearing of remotely operated vehicle under...
In this paper, a refined method for ultimate limit state assessment of ship hull girders based on non-linear finite element method is proposed. Commercial finite element analysis codes ANSYS and MSC.MARC are used to established the model and analyze the large elastoplastic deformation respectively. Firstly, the initial deflections and welding residual stresses of steel structures are considered and...
Ring-stiffened cylinder is one of the most structure types in pressure shell of remotely operated vehicle (ROV). In pressure shell optimization design problem, both discrete and continuous variables are involved and uncertainties are ubiquitous in any stage of the ROV development. However, pressure shell of ROV presently designed via the static strength and the rounding method which might result in...
The basic function of hoop connection is to connect two parts of unmanned undersea vehicle (UUV) shell. The hoop connection of UUV is presently designed via the static strength method which might result in more redundancy than that being required. However, uncertainties are ubiquitous in any stage of the UUV development. A design optimization method is proposed in this paper by combining the Finite...
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