supported area

In calculation of flexible tube sheet,it is a tedious work to determine the largest non-supported circle and supported area using conventional geometrical technique.

柔性管板计算中,用普通的几何方法确定最大无支撑圆和支承面积是一项很繁琐的工作,且误差较大,容易遗漏,特别是有拉撑的平板和管板。