New Horizons obtained data on Europa's surface composition and imaged subtle surface features, and analysis of these data may provide new information about the ocean and the icy shell that covers it.
The reason for generating the false stress in a transition element connecting a solid element to a thin shell element for stress analysis is considered.
分析了体—壳过渡元中产生“虚假应力”现象的根本原因，给出了两种改进方法。
3
The subject is about the design of Aluminum shell mold and process analysis.