Ship structure impact experiment boundary condition simulation device
A technology of structural impact and boundary conditions, applied in the direction of machine/structural component testing, measuring devices, impact testing, etc., can solve the problem of model similarity rate that has not been completely solved, it is difficult to measure the impact resistance of ship structures, and the test equipment is difficult to meet Requirements and other issues, to achieve the effect of convenient processing and installation, convenient quality control, and reduce the total quality
Inactive Publication Date: 2014-03-26
HARBIN ENG UNIV
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Problems solved by technology
At this stage, due to the fact that the test equipment is difficult to meet the requirements and the problem of model similarity has not been completely resolved, the model test cannot completely simulate the working conditions of the actual ship under the underwater impact load.
The experimental results are difficult to measure the impact resistance of the actual ship structure
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[0028] The present invention will be described in more detail below with examples in conjunction with the accompanying drawings.
[0029] combine Figure 1-Figure 4 , the ship structure impact test boundary condition simulation device of the present invention comprises two horizontal plates 2 and two vertical plates 3, each horizontal plate and vertical plate are connected by a triangular support plate to form two right-angled "L" frame, each vertical The boundary rigid plate 4 is set in the center of the inner side of the plate, and the tooling for fixing the test components is set on the boundary rigid plate. The two ends of the test beam model 1 are respectively fixed between two right-angle "L"-shaped frames.
[0030] The horizontal plate is composed of an upper panel 9, a lower panel 10 and a composite cylinder 11. The upper panel and the lower panel are supported by the composite cylinder to form a composite structural plate. The grids are symmetrically distributed on t...
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The invention provides a ship structure impact experiment boundary condition simulation device. The ship structure impact experiment boundary condition simulation device comprises two horizontal flat plates and two vertical flat plates. The horizontal flat plates are connected with the vertical flat plates through triangular supporting plates to form two right-angle L-shaped frames respectively, a boundary steel fixing plate is arranged at the center of the inner side of each vertical flat plate, tools used for fixing experiment components are arranged on the boundary steel fixing plates and the two ends of an experiment beam model are fixed between the two right-angle L-shaped frames respectively. The principle that when a steel plate moves in the plate face normal direction in water, huge added mass is generated, the added mass generated through the structure is used for replacing the boundary constraint borne by the model, and added inertia force and torque of the rigid fixing boundary can be obtained. By means of the ship structure impact experiment boundary condition simulation device, the boundary conditions of rigid fixing at the two ends of the model can be well simulated. The ship structure impact experiment boundary condition simulation device further has the advantages of being simple in structure, convenient to machine and assemble and capable of bringing convenience to quality control.
Description
technical field [0001] The invention relates to a ship structure impact test simulation device. Background technique [0002] The research on the dynamic response of the local strength of the ship's grille under the impact of the underwater explosion has become the focus of the research on the life force of the ship in recent years. Among them, the most intuitive and accurate research method is model test verification. At this stage, due to the fact that the test equipment is difficult to meet the requirements and the problem of model similarity has not been completely resolved, the model test cannot completely simulate the working conditions of the actual ship under the underwater impact load. The experimental results are difficult to measure the impact resistance of the actual ship structure. Contents of the invention [0003] The object of the present invention is to provide a kind of ship structure shock experiment boundary condition simulation device that can obtain...
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IPC IPC(8): G01M7/08G01N3/313
Inventor 郭君王喆孙登成王军孙丰周姝
Owner HARBIN ENG UNIV
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