Impact Hammer Double Hit – An Investigation
An Impact Hammer double hit is viewed as a common problem, and most hammer impact testing software offers a "Double hit" rejection function. Signals captured with double impacts are not…
Are My Hammer Impact Results Valid? (3) Time Invariance
As mentioned in our previous two articles, when performing experimental modal testing of a structure or component using impact (or ping) testing, it is important to consider and verify the…
Are My Hammer Impact Results Valid? (2) Reciprocity
As mentioned in our previous article, when performing experimental modal testing of a structure or component using impact (or ping) testing, it is important to consider and verify the validity…
Are My Hammer Impact Results Valid? (1) Linearity
When performing experimental modal testing of a structure or component using impact (or ping) testing, it is important to consider and verify the validity of any results. A modal analysis…
Hammer Testing: Free or fixed support?
A vital question to be asked before performing hammer testing is - how do I support the testing object? What fixing mechanism to use? Or technically, what are the desired…
How Do I Calibrate An Impact Hammer?
The intention of this article is not to present any new scientific theories or ground breaking techniques, but to introduce new users to hammer impact testing and remind seasoned technicians of a method…
[Video] Create AVI files from your structural animations
The DATS Modal Analysis software consists of Hammer Impact Testing, Modal Analysis & Structural Animation (often referred to as Operational Deflection Shapes or ODS and Running Modes). Having measured and…
2013 Prosig / Portsmouth University Prize Awarded
The 2013 Annual Prosig Prize for Engineering at Portsmouth University has been awarded to Peter Thompson for his project “Vibration Analysis of Aircraft Structures (Airframe)”. Peter completed his study at the…
How do I find the natural frequency of an inlet manifold?
There are a number of ways to find the natural frequency (resonance) of a part like an automotive inlet manifold. Here are three different types of popular test techniques. But which one should you use and why?
(more…)[Video] What are nodes, components & structures in modal testing
James Wren (Prosig UK) explains how nodes, components & structures are used in modal hammer testing using Prosig's P8000 & DATS software. http://www.youtube.com/watch?v=FmNCqv7p3pc
New DATS Hammer Software – Preview Available
As mentioned in a previous post and in our last email newsletter (signup form on the right of this page) we are pleased to announce that the preview version of the new DATS Hammer Impact software is now available for download. (more…)
New Hammer Impact Software – Preview coming soon
After listening to customer feedback, we have completely re-engineered the DATS Hammer Impact software. The new version will ship with the next DATS update (not the soon-to-be-released V7.0.23). In the meantime you will be able to download and preview the new package. You will of course need a P8000 system and a DATS licence with the Hammer Impact option enabled. (more…)
