Coupled Damage Effects of Ship Hull Girder Structures Under Wave and Explosive Loads

SHEN Chao; ZHANG Xianpi; WANG Jun; ZHU Fangzhou; CHEN Jiping

doi:10.12382/bgxb.2025.0211

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Coupled Damage Effects of Ship Hull Girder Structures Under Wave and Explosive Loads

更新时间：2026-04-24

- Coupled Damage Effects of Ship Hull Girder Structures Under Wave and Explosive Loads
- Acta Armamentarii Vol. 47, Issue 2, Pages: 250211(2026)
- 作者机构：
  
  中国船舶科学研究中心，江苏无锡 214082
  深海技术科学太湖实验室，江苏无锡 214082
  船舶结构安全全国重点实验室，江苏无锡 214082
- 作者简介：
- 基金信息：
- DOI：10.12382/bgxb.2025.0211
  CLC： TJ01
- Received：25 March 2025，
  
  Online First：25 December 2025，
  
  Published：28 February 2026
- 稿件说明：
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SHEN Chao, ZHANG Xianpi, WANG Jun, et al. Coupled Damage Effects of Ship Hull Girder Structures Under Wave and Explosive Loads[J]. Acta Armamentarii, 2026, 47(2): 250211.
DOI：

SHEN Chao, ZHANG Xianpi, WANG Jun, et al. Coupled Damage Effects of Ship Hull Girder Structures Under Wave and Explosive Loads[J]. Acta Armamentarii, 2026, 47(2): 250211. DOI： 10.12382/bgxb.2025.0211.

摘要

复杂海浪环境和水下爆炸载荷的联合作用下水面船结构动响应以及毁伤规律较单一水下爆炸环境或单一海浪环境等理想状态更为复杂。为此，以典型船体梁模型为研究对象开展了波浪及水下爆炸冲击联合载荷作用下毁伤特征参数试验测量。根据装药和水面波浪条件的不同开展了7个工况的水下中近场爆炸试验，结合光学+电学测量的方法，获得了波浪及爆炸载荷联合作用下典型船体梁结构毁伤数据。试验后结合数值计算对结构毁伤效应特征参数进行分析，建立了结构毁伤动响应点到场的配置技术以及波浪与爆炸载荷下结构毁伤效应解耦方法。研究结果表明：船体梁结构模型的整体凹陷变形范围与底面中心的应变近似满足指数函数关系，可以通过试验测量得到的底板中心应变峰值，推及整个底板的凹陷变形范围，进而计算得到塑性变形区域面积，计算得到的塑性区域面积不低于90%以上的试验实测面积；通过提取单一波浪载荷、单一水下爆炸载荷以及波浪-爆炸联合载荷作用下水面船模型的毁伤效应场特征参数，发现模型在3类载荷作用下的毁伤效应场特征参数近似满足三维平面关系，通过给出毁伤效应场特征参数耦合公式实现了综合毁伤测量数据的解耦。

Abstract

The dynamic response and damage mechanisms of surface ship structures under the combined action of complex wave environments and underwater explosive loads are significantly greater complexity than those under the idealized conditions of single underwater explosion or wave environments. A typical hull girder model is used to investigate the damage characteristic parameters under the combined action of wave and underwater explosion shock loading. The mid-to-near-field underwater explosion tests are conducted in seven different scenarios on the basis of varying charge weights and surface wave conditionsThe critical damage data of hull girder structure under coupled wave-explosion loading are obtained by using combined optical and electrical measuremental method. Post-experimental numerical analysis enables the development of two key methodologies: a dynamic response field configuration technique for structural damage points

and a decoupling method for structural damage effects under combined wave and explosion loads. The experimental results reveal that the global depressed deformation range of hull girder structure model follows an approximate exponential function relationship with the central bottom strain. The depressed deformation range across the entire bottom plate is effectively predicted from the experimentally measured peak strain at the bottom center

enabling the calculation of plastic deformation areas. The computed plastic zones consistently cover ≥90% of experimentally measured areas. The damage field characteristic parameters of surface ship model under three loading conditions(pure wave

pure explosion

and combined wave-explosion loading)are extracted to identify a three-dimensional planar relationship among these parameters. A coupled damage parameter formula is established to achieve the effective decoupling of comprehensive damage measuremental data. This research provides the quantitative characterization method and theoretical foundation for assessing warship survivability in complex marine environments.

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