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A new type of interlayer marine structure and its hydroelastic analysis method

A technology of marine structure and analysis method, applied in complex mathematical operations, geometric CAD, design optimization/simulation, etc., can solve difficult to apply and complex problems, and achieve the effect of simplicity and designability

Active Publication Date: 2021-10-22
OCEAN UNIV OF CHINA
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Problems solved by technology

In the traditional hydrodynamic analysis of elastic plates, the structure is regarded as a homogeneous Euler-Bernoulli plate / beam, but for the hydroelastic analysis of sandwich-type ultra-large floating body, since the transverse (bending) vibration equation of the sandwich structure is relatively different from the traditional The single-layer structure is more complicated, and the traditional hydroelastic analysis method is difficult to apply

Method used

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  • A new type of interlayer marine structure and its hydroelastic analysis method
  • A new type of interlayer marine structure and its hydroelastic analysis method
  • A new type of interlayer marine structure and its hydroelastic analysis method

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Embodiment Construction

[0056] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0057] The novel sandwich type offshore structure of the present invention comprises upper and lower panels and a core material, the core material is located between the upper and lower panels, and the core material is fixed together with the upper and lower panels; as figure 1 As shown, in this embodiment, the new sandwich type marine structure selects a sandwich type super large floating body, the upper and lower panels of the sandwich type super large floating body are made of metal materials, and the core material is ultra-high performance concrete with openings, which are determined by the size of the opening ratio. The density of the core material.

[0058] The hydroelastic calculation method of the new sandwich type offshore structure, the specific process is as fo...

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Abstract

The invention provides a novel sandwich type marine structure and a hydroelastic analysis method thereof, which belong to the field of marine structure design and parameter calculation. The new sandwich type marine structure includes upper and lower panels and a core material, the core material is located between the upper and lower panels, and the core material and the upper and lower panels are fixed as one; the continuity condition is used to establish a group of equations, combining different Determine the expansion coefficient of the velocity potential, quickly and effectively obtain the reflection coefficient and transmission coefficient of the sandwich super-large floating body, as well as the deflection, bending moment and shear force of the lateral vibration of the sandwich-type super-large floating body; The inventive method can quickly obtain the hydroelastic dynamic response of the marine structure, and provides scientific guidance for actual engineering construction design and parameter optimization.

Description

technical field [0001] The invention belongs to the field of marine structure design and parameter calculation, and relates to a novel interlayer marine structure and a hydroelastic analysis method thereof. Background technique [0002] Super-large floating bodies have important application value in civil / military fields such as marine resource development, marine tourism, and island and reef garrison. The sandwich structure can withstand large bending loads with low self-weight, and has good stability under in-plane loads, which is easy to implement Smooth and flat hydrodynamic surface; ultra-high performance concrete (UHPC) has the physical characteristics of light weight, high strength and durability, and the implementation of opening design further improves the specific stiffness of the material, and its application in the sandwich structure can make it better in load bearing and stability. [0003] In the basic hydroelastic theoretical analysis of super-large floating b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/13G06F30/20G06F17/12
CPCG06F17/12G06F30/13G06F30/20G06F2119/14
Inventor 刘勇方辉朱华丹李爱军李华军刘益伦
Owner OCEAN UNIV OF CHINA
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