To find the form of suspension cables precisely, the Newton-Raphson iteration is used and the zero order optimization arithmetic is also dedicated to control the procedure.

• 基于牛顿-拉普森迭代对悬索体系的找形进行了研究,同时采用零阶优化算法对迭代进行优化控制,并对影响求解精度的因素进行了分析。