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应力波在多层介质中传播特性数值分析
Alternative TitleNUMERICAL SIMULATION ON STRESS WAVE PROPAGATING IN MULTI-LAYERED MEDIA
董永香; 夏昌敬
Source Publication弹道学报
2004-09-30
Volume16Issue:3Pages:28-32,38
ISSN1004-499X
Abstract通过与相关文献结果的对比,在验证了数值模拟应力波传播可行性的基础上,比较了应力波通过3层花岗岩和夹层为泡沫铝的3层介质后,发现后者应力波幅值的衰减远大于前者,应变能增加为前者的1.6倍,证明了软夹层在研究的速度量级上对能量耗散具有显著作用;在入射波波长为3层介质总厚度1/2的条件下,当泡沫铝的厚度占总厚度约0.2时,得出了3层介质的应变能约为系统总能量的60%,此时入射波波长为泡沫铝厚度的2.5倍,组合介质获得较佳的衰减性能.
Keyword应力波 衰减 数值计算 多层介质 泡沫铝
Indexed ByCSCD
Language中文
CSCD IDCSCD:1691765
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/41890
Collection力学所知识产出(1956-2008)
Corresponding Author董永香
Recommended Citation
GB/T 7714
董永香,夏昌敬. 应力波在多层介质中传播特性数值分析[J]. 弹道学报,2004,16(3):28-32,38.
APA 董永香,&夏昌敬.(2004).应力波在多层介质中传播特性数值分析.弹道学报,16(3),28-32,38.
MLA 董永香,et al."应力波在多层介质中传播特性数值分析".弹道学报 16.3(2004):28-32,38.
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