A united solution procedure for eigenvalue perturbation problem in structural vibration analysis of continuous systems is proposed with the aid of operator operation.
将离散系统振动分析中的通用的矩阵摄动法推广到连续系统。 采用弹性结构理论算子，对连续系统的振动特征值摄动问题进行统一描述。
The extended transfer matrix of the structural vibration analysis is derived by using the expansion to the transfer matrix to solve structural dynamic characteristic analysis.
对求解结构固有频率的传递矩阵进行扩阶，推导了链式机械系统振动分析的扩阶传递矩阵算式。
Thus, the safe operation and prolongation of the service life urgently motivate the research on the structural vibration analysis, health diagnosis and safe assessment for submarine pipelines.
因此，采用有效的技术手段对海底管道进行结构分析、监测诊断以及安全评价具有重要的理论意义和实用价值。
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