请推荐一些ODS的学习资料吧。
我现在只有一片is it a mode shape....?还有其他书籍或文献么？
回复 #1 sungw 的帖子
Operational deflection shapes (ODS’s) can be measured directly by relatively simple means.They provide very useful information for understanding and evaluating the absolute dynamic behavior of a machine, component or an entire structure.Traditionally, an ODS has been defined as the deflection of a structure at a particular frequency.
However, an ODS can be defined more generally as any forced motion of two or more points on a structure.A shape is the motion of one point relative to all others.
Why measure ODS’s?
Measuring ODS’s can help answer the following vibration related questions:
• How much is a machine moving?
• Where is it moving the most, and in what direction?
• What is the motion of one point relative to another (ODS)?
• Is a resonance being excited? What does its mode shape look like?
• Is there structure-born noise?
• Do corrective actions reduce noise or vibration levels?
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