The invention belongs to the technical field of ship engineering (ship body structure design and evaluation), and discloses a vertical combined bending moment data processing method and system for the whole life cycle of a conventional surface ship. The method comprises the steps: determining statistical characteristics of still water bending moment; determining short-term wave bending moments of the naval vessel under various sea conditions according to the sea condition statistical data of the naval vessel navigation area; performing long-term analysis based on the short-term forecast values of the wave bending moments, and determining statistical characteristics of the wave bending moments in the whole life cycle of the naval vessel by combining the encounter probability of the naval vessel; and fitting the still water bending moment and the wave bending moments according to a statistical distribution rule by adopting a Monte Carlo numerical simulation method, and determining the vertical combined bending moment of the ship body in the whole life cycle. Compared with a calculation method given in the specification, the method can provide an accurate load effect for design of the naval vessel body in the design stage and evaluation of an in-service naval vessel body structure, can provide technical support for navigational speed reduction of the naval vessel and service of a navigation adjusting area, and remarkably improves economic and military benefits.
本发明属于船舶工程(船舶船体结构设计与评估)技术领域,公开了一种常规水面舰艇全寿命周期的垂向组合弯矩数据处理方法及系统,明确静水弯矩的统计特征;根据舰艇航行区域海况统计数据,确定舰艇各海况下的短期波浪弯矩;基于波浪弯矩短期预报值进行长期分析,结合舰艇遭遇概率,明确舰艇全寿命周期内波浪弯矩的统计特征;采用蒙特卡洛数值模拟法将所述静水弯矩和所述波浪弯矩按统计分布规律进行拟合,确定全寿命周期内舰艇船体垂向组合弯矩。相较于规范给出的计算方法,本发明可以为设计阶段舰艇船体的设计、在役舰艇船体结构的评估提供精准的载荷效应,能够为舰艇的降航速、调航区服役提供技术支撑,显著提高经济和军事效益。
Vertical combined bending moment data processing method and system for whole life cycle of conventional surface ship
常规水面舰艇全寿命周期的垂向组合弯矩数据处理方法及系统
2022-01-28
Patent
Electronic Resource
Chinese
IPC: | B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS |
European Patent Office | 2024
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Engineering Index Backfile | 1956
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TIBKAT | 1959
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