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DyRoBeS: Testimonials Your comments are welcome. DyRoBeS is improving based on your valuable suggestions and comments.
Testimonials
"Unexpected rotordynamic behavior in our
supersonic compressor had cost several precious months and over
$100,000 trying to find the cause. With no prior experience
using rotordynamics software, we purchased DyRoBeS and hired Eigen
Technologies for a three-day visit to our Seattle offices. On
the first day our two engineers gained the ability to build, modify
and analyze models of our three-shaft compressor demonstrator.
On the second day, with Dr. Chen's guidance, the engineers had
conclusively identified the cause of the rotordynamic problem.
On the third day, the engineers analyzed dozens of possible solutions
to the problem and determined a suitable fix within stringent
cost and schedule constraints. The tilting-pad bearing
and squeeze-film dampers we designed that day were nearly identical to
the equipment later used to achieve full operational capability in our
compressor. We then conducted controlled-imbalance tests to
compare the rig's improved rotordynamic response with
DyRoBeS predictions and were impressed by the extremely close
agreement. We are completely satisfied with the program and
customer support." - Joe Williams,
Technical Director, Ramgen Power Systems.
"Doing rotor dynamic work on a wide variety of machines, I have been very impressed with DyRoBeS. It has the capabilities I need for both the rotor model and the bearing calculations, yet it remains fast and easy to use. I really appreciate the long history of continual enhancements, the additional tools included, the outstanding non-linear analysis capabilities (especially with version 10), and the wide industry acceptance of the code. I highly recommend DyRoBeS, it pretty much does it all." - Erik Swanson, Ph.D., P.E., Founder, Xdot Engineering and Analysis, PLLC.
"I began using DyRoBeS in 2001 after 29 years
of using other rotordynamics software. It soon became apparent
to me that I no longer needed all those "other" codes
because DyRoBeS did it all in one package. This integrated
approach has saved me enormous amounts of time and energy while doing
lateral and torsional rotordynamics analyses. This software,
while extremely powerful, is easy to use and contains many features
that allow for modeling multi-level complex rotors and support
structures. There are many included utilities that reduce the
amount of "grunt" work required to do accurate analyses.
The plot output is report ready. This alone puts this software
head and shoulders above the other packages available. Finally,
Eigen Technologies has responded rapidly to my questions and
readily integrated suggestions into the program. I know of no
greater value in a rotordynamics package today. - Malcolm
E. Leader, P.E., Turbomachinery Consultant,
Applied Machinery Dynamics Co.
"I
am very pleased with the entire software package from the ease of use,
the expanded graphical output, and continual enhancement of analysis
capabilities. DyRoBeS has become an integral element for all of
our advanced oil-free, high-speed machinery Product Development and
R&D efforts here at MiTi. We have
found that the results from DyRoBeS compare very well with the actual
dynamic characteristics of the machinery we are developing, whether
small rotors of a few grams operating at speeds greater than 700,000
rpm or much larger rotors operating well above the bending critical
speed" - James
F. Walton II,
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