The third chapter and the forth chapter discuss two problems, the first is the analysis of infection under the shapewave, the second is the stability of the thin-wall structure.
第三章与第四章讨论了波浪度的影响和壁厚对薄壁构件稳定性的影响。
2
The basic principle of new types of protection which present relay protection experts have proposed, such as shapewave protection, non-channel protection and so on, is introduced.
介绍了当前继电保护专家们提出的行波保护、无通道保护等新型保护的基本原理。
3
The other is simplified crack model, which is used to describe the traverse crack, estimate approximately the free face farther field effect and match with the 1-D fixed shapewave.