摘要
介绍了作者编制的 System Modal 2.0模态分析软件的基本原理,包括参数识别的导纳圆拟合、多项式拟合、动画显示、力响应模拟计算基本原理。该软件接近并且部分超过了美国 SMS3.0的水平。
A modal analysis software named System Modal 2.0 is introduced.The circle curve fitting,polynomial curve fitting,animation and force response simulation techniques used in the software are described in detail.
关键词
模态分析
曲线拟合
模态参数识别
experimental modal analysis
curve fitting
madal parameter identification
