In this paper the author presents two simplified methods of calculating natural frequency for multi-degree-of-freedom systems, one of which is equivalent stiffness a n d equivalent mass method, the other of which is dynamic displacement method.
作者提出多自由度体系自振频率数值计算的两种简便方法──相当刚度相当质量法和强迫力法,可供结构设计参考应用。
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