By introducing the boundary conditions of the circular plate, the flexure displacement, radial rotation Angle, radial bending moment and radial shear force on each nodalline of the plate were given.
引入圆板的边界条件，给出了该板每条节线上的挠度、径向转角、径向弯矩和径向剪力。
2
The influence of switching off branch on system nodal voltages and line loads is analyzed and the concept of security margin and its calculation formula are given.
分析了支路断开对系统节点电压及线路负荷的影响，给出安全裕度概念和计算公式。
3
Constructs 28 nodal casting production line control systems of integrated PLC and intellectual instrument on the basis of RS485 network technology.