Saturday, September 17, 2022
问题:在弹性力学里分析问题,要考虑静()、()和()三方面条件,分别建...
Saturday, September 17, 2022
Monday, May 12, 2025
Saturday, September 17, 2022
问题:3.小孔口应力集中现象中有两个特点:一是(),即孔附近的应力远大...
Saturday, September 17, 2022
Sunday, September 15, 2024
Friday, March 15, 2024
问题:请问什么是零剪切黏度(确切的定义),零剪切黏度能用来做什么?...
Saturday, September 17, 2022
Thursday, January 12, 2023
问题:如何实现基坑开挖中的降水过程,在定义工况的时候具体怎样操作?...
Sunday, September 11, 2022
问题:什么情况下质心与几何中心、重心重合?质心系有何特性?...
Sunday, September 11, 2022
Saturday, September 17, 2022
问题:为了保证构件安全,可靠地工作,在工程设计时通常把()应力作为构件...
Sunday, September 11, 2022
Sunday, September 11, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:作用在同一刚体上的两个力F1和F2,若F1=-F2,则表明这两个...
Saturday, September 17, 2022
问题:某人乘自动扶梯上楼,同时在运行的扶梯上向下行走,取人为动点,动系...
Sunday, September 11, 2022
问题:截面尺寸和长度相同两悬梁,一为钢制,一为木制,在相同载荷作用下,...
Sunday, September 11, 2022
Saturday, September 17, 2022