爆炸与冲击2026，Vol.46Issue(2)：23-32,10.DOI:10.11883/bzycj-2024-0470
理想流体空穴湮灭能量汇问题的特征能量因子
Characteristic energy factors for energy sink problem of the ideal fluid cavity annihilation
摘要
Abstract
In physics,a"source"denotes the origin of matter or energy,while a"sink"refers to the terminal point of matter or energy.By analogizing with the energy source problem in underground explosions,this study proposes an energy sink problem for ideal fluid cavity annihilation.A detailed analysis is conducted on the energy balance and adjustment mechanisms in the ideal fluid cavity annihilation problem,establishing the relationships among fluid pressure work,energy convergence,transmission and transformation.A characteristic energy factor is introduced to describe the"centripetal convergence"behavior of energy sinks.The characteristic energy factor for energy sinks incorporates the information on converged energy,geometric dimensions of cavities and physical properties of fluids,effectively characterizing the"convergence"behavior of energy sink problems and laying a theoretical foundation for the subsequent research on"energy sink"problems in solids.The physical mechanisms and mathematical foundations of the characteristic energy factor are analyzed,and its characteristics and advantages are expounded.Specifically,the introduction of the characteristic energy factor circumvents the need for complex stress-strain relationships,boundary conditions,and unknown internal material structures in traditional continuum mechanics,significantly simplifying the complexity of the problem.The characteristic energy factor is primarily applicable to the predictions of engineering disasters with large scales or well-defined failure zones(e.g.,underground explosions,large-scale surrounding rock deformation,zonal disintegration or pendulum waves,and shear-slip rock bursts in ore pillars),whereas its applicability to highly localized engineering disasters with unknown failure zones(e.g.,strain-type rock bursts)requires further investigation.关键词
能量源/能量汇/地下爆炸/空穴湮灭/特征能量因子Key words
energy source/energy sink/underground explosion/cavity annihilation/characteristic energy factor分类
数理科学引用本文复制引用
陈昊祥,王明洋,李杰,蒋海明..理想流体空穴湮灭能量汇问题的特征能量因子[J].爆炸与冲击,2026,46(2):23-32,10.基金项目
国家自然科学基金(52408353) （52408353）
北京市自然科学基金(8222010) （8222010）
军事科学院国防工程研究院目标易损性评估全国重点实验室开放基金(YSX2024KFXY003) （YSX2024KFXY003）
