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A
Anonymous
March 27, 2007
Question

rainflow cycle counting

  • March 27, 2007
  • 4 replies
  • 6556 views
Hi, can anyone post an example of a rainflow cycle counting worksheet (in version 2001).

TIA

Derek Ferguson
Cummins Inc

4 replies

P
ptc-12651491-Visitor
1-Visitor
March 27, 2007
Here is a copy of my Rainflow Cycle count demo file in MC2001 format.
P
ptc-13682881-Visitor
1-Visitor
March 27, 2007
On 3/27/2007 6:53:29 PM, rsoloski wrote:
>Here is a copy of my Rainflow
>Cycle count demo file in
>MC2001 format.
______________________

Mathcad 11 can't read ?
Must be 13 or 14 ??? not 2001 as you say !

jmG



A
Anonymous
March 28, 2007
My version of 2001 also can't read it. Can you put it in an earlier format please?

many thanks

Derek ferguson
V
24-Ruby IV
ValeryOchkov24-Ruby IV
24-Ruby IV
March 27, 2007
What is it "rainflow cycle counting"
Val
http://twt.mpei.ac.ru/ochkov/v_ochkov.htm
A
Anonymous
March 27, 2007
val,

http://en.wikipedia.org/wiki/Rainflow-counting_algorithm
V
24-Ruby IV
ValeryOchkov24-Ruby IV
24-Ruby IV
March 27, 2007
Wiki is not an origin... for this forum.
���?
Val
http://twt.mpei.ac.ru/ochkov/v_ochkov.htm
P
ptc-12651491-Visitor
1-Visitor
March 28, 2007
Here is another try; I downsaved from MC12 to MC2001.
P
ptc-13682881-Visitor
1-Visitor
March 28, 2007
On 3/28/2007 9:53:55 AM, rsoloski wrote:
>Here is another try; I
>downsaved from MC12 to MC2001.
______________________________

Ah ! the smoking gun in there.

jmG



P
ptc-13682881-Visitor
1-Visitor
March 28, 2007
I understand mechanical fatigue as a Process Control Engineer (we care !). But fatigue of a data set is a bit esoteric for my small brain ? Especially a sinusoidal data set ... must look at it again . Spring fatigue of a car suspension, that is real as a 100000 km car suspension in the rocky desert is more damaged than same km on nice highway.

I must be missing some point in that proposal ?

jmG
A
Anonymous
March 30, 2007
Rainflow sheet attached.
Written in Mcad 13 and saved as a 2001i file.
Hope you can read it OK....
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