表 2. Material parameters.
材料参数
| 部件 | 密度/ （tonn·mm−3） |
弹性模量/ MPa |
泊松比 | 体积模量/ MPa |
| 袋体 | 1e-9 | 205 | 0.41 | − |
| 压板 | 2.7e-9 | 70 000 | 0.33 | − |
| 水 | 1e-9 | − | − | 2 100[29] |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.