Finite element analysis shows that the lateral stiffness of the concrete grill wa ll can be calculated by an equivalent solid shear wall with the thickness of two third of the original wall thickness.
Addressing deformation characteristics of the shell during rotary piercing operation, wallthickness unevenness is calculated by means of the FE simulation method.
通过有限元模拟针对斜轧穿孔过程中毛管的变形特点,对其壁厚不均进行了计算。
3
The wallthickness of thick wall copper tube drawn without plug is calculated by using Zhou-Zhou formula.