高过载数据储存器缓冲隔振结构的优化设计

Optimizationdesignforthebufferandshockabsorptionstructureof adatarecorderunderhighload

摘要: 根据应力波理论设计储存器的缓冲隔振结构,同时兼顾缓冲与隔振、配置合理的广义阻抗比,从而设计出复合减振结构,解决了狭小空间的抗冲击问题。再应用Isight与Ls-dyna联合优化,不以降低过载加速度为指标,而选取最大动应力为目标,使被保护元件的最大动应力降低了约70.9%,储存器的质量下降了约300g,最终进行了炮击实验,成功回收数据。
- 振动与波 /
- 缓冲与减振 /
- 应力波 /
- 数据储存器 /
- 优化
Abstract: Accordingtothestresswavetheory,thebufferandshockabsorptionstructureofadatarecorderwasdesignedbyconsideringthereasonableallocationofthegeneralizedimpedancerat o.The compositestructureforshockabsorptionwasdesignedtosolvetheproblemofnarrowspaceimpact protection.AndtheoptimizationwascarriedoutbycombiningIsightandLs-dynatoreducethedynamicstressoftheprotectedcomponentratherthantheimpactacceleration. Asaresult,thedynamic stressoftheprotectedcomponentdecreasesbyabout70.9%andthemassofthedatarecorderreduces 300gram.Intheend,thebombardmenttestwasperformedandthedatawererecoveredsuccessfully.
- vibrationandwave /
- bufferandshockabsorption /
- stresswaves /
- datarecorder /
- optimization