Method for reproducing accident of containers dropping into sea
A container and accident technology, applied in special data processing applications, instruments, electrical and digital data processing, etc., can solve problems such as unintuitiveness, large amount of calculation and analysis of technical analysis of container securing systems, and achieve the effect of easy realization.
Inactive Publication Date: 2012-08-29
SHANGHAI MARITIME UNIVERSITY
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Problems solved by technology
[0005] (1) The container securing system suitable for normal sea conditions is subject to normative inspection, but it cannot be inspected under heavy wind and waves
However, the accident of container falling into the sea often occurs in the case of strong wind and waves, but this method cannot carry out technical analysis on it
[0006] (2) The calculation of the technical analysis of the container securing system is very large. The previous methods can only inspect specific locations, and it is difficult to comprehensively analyze the problems of the container securing system. accurate judgment
[0007] (2) This method is not intuitive, and the analysis is often presented in the form of formula calculation, which requires high professional knowledge and is not easily accepted by judges
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[0044] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.
[0045] The present invention simulates the swaying process of container ships in strong winds and waves through continuous changes in the roll angle. Every time the roll angle changes, a force analysis is performed on the container securing system, and the force data is stored in the accident reproduction system. If it is displayed, check the force. If the strength is exceeded, the color of the corresponding container will be changed to indicate that the container has fallen into the sea. Through this method, the process of the container falling into the sea is vividly reproduced. According to the reproduction simulation, the cause of the accident can be found very conveniently, which provides a basis for the division of accident responsibilitie...
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The invention discloses a method for reproducing accidents of containers dropping into sea. The continuous changes of a rolling angle are used for simulating the swing process of a container ship in great stormy waves, stress is analyzed once for a container securing system when the rolling angle changes once, stress data are shown in an accident reproducing system, then the stress is checked, and if the stress exceeds strength, the colour of the corresponding container is changed, which expresses that the container drops into the sea. By using the method, the process that the container dropsinto the sea is vividly reproduced. The reasons of the accidents can be conveniently found according to reproducing simulation, which provides a basis for dividing the responsibility for the accidents.
Description
technical field [0001] The invention relates to a software simulation technology, in particular to a technical analysis technology for a container falling into the sea accident. Background technique [0002] With the development of international shipping, the volume of container transportation has been increasing, and the accidents of containers falling into the sea have increased accordingly. According to statistics, container damage, water and falling into the sea accounted for more than 60% of all insurance claims of the British Shipowners Mutual Insurance Association. It is conservatively estimated that more than 2,000 containers are dropped from ships into the sea every year during ocean transportation. Accidents of container falling into the sea often involve the interests of multiple parties such as the ship, insurance company, and cargo owner, and the amount involved is huge. Therefore, it is necessary to conduct a technical analysis of the cause of the accident of...
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IPC IPC(8): G06F17/50
Inventor 周伟肖英杰吴善刚张浩孟玲马泽武
Owner SHANGHAI MARITIME UNIVERSITY