Ship cabin indoor explosion structure damage evaluation method based on equivalent scale model

Abstract

The invention discloses a ship cabin indoor explosion structure damage evaluation method based on an equivalent scale model. The ship cabin indoor explosion structure damage evaluation method comprises the following steps: obtaining an impact wave pressure curve and a quasi-static pressure curve of explosion of equivalent filling in a scale cabin by adopting a pressure sensor; processing test data to obtain a pressure peak value and corresponding pressure impulse; determining a damage rule of the explosion in the equivalent cabin according to the positive pressure acting time of pressure born by the cabin wall and the natural vibration period of the cabin; dividing damage grades and determining a structure damage threshold value of the equivalent cabin; and evaluating damage effects of a ship cabin structure by taking the structure damage threshold value as the basis. The invention provides the ship cabin indoor explosion structure damage evaluation method based on the equivalent scale model by taking a ship cabin indoor explosion effect scale equivalent model as a test carrier, so that the testing cost can be reduced, the researching period is shortened, and the development and application of anti-ship weapons are effectively supported.

Description

technical field [0001] The invention belongs to the technical field of damage assessment, and mainly relates to a damage assessment method, in particular to a damage effect assessment method of an explosion structure in a ship cabin based on an equivalent scale model. Background technique [0002] Damage assessment is a process of comprehensively analyzing and evaluating the actual damage effects of weapons and ammunition on targets by comprehensively considering factors such as the tactical purpose of the campaign, the battlefield environment, firepower, and the nature of the target. Anti-ship missiles are an important weapon for attacking naval targets at sea. Taking anti-ship missile warheads as an example, damage assessment technology plays an important role and significance in all aspects of its development and service stages. In the development (demonstration, scheme, engineering development and finalization) stage of the anti-ship warhead, the damage assessment techno...

AI Technical Summary

Problems solved by technology

[0004] The deficiencies and defects of the existing technology are: (1) It is difficult to obtain the impact load and the dynamic response of the cabin structure, which cannot provide detailed parameters for the damage evaluation of the ship cabin structure; Research costs are high and expensive

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