Recording data every N steps

[husseinokail]

Is there anyway that i specify the recorders to collect data every N steps of the solution

Thanks

[fmk]

you can use the -dT timeIncr? option on the Node, EnvelopeNode,Element, and EnvelopeElement recorders.

if you specify -dT 1.0 on a static analysius with load control factor of 0.1 you will get a result at every 10 steps, transient analysis is obviously similar.

Place it anywhere an option would make sense, i.e. anywhere but the end of the command.

we will get silvia to update the manual.

[husseinokail]

well, that works fine but i had a small problem,
I have a gravity load step after which i keep the load constant and reset the time to zero by:

loadConst -time 0.0

then i start my time history analysis

this is my recorder:
recorder Node -file $dir/node1.txt -time -dT .001 -node 1 -dof 1 2 disp;

the problem is that the time doesn't come back to zero


so this is my time scale

.1
.2
.3
.4
.5
.6
.7
.8
.9
1
1.001
1.002
and so on


any advice?

thanks again

[silvia]

it does, but then you don't get a result until the next step.
what you can do is set time to -dT if you want zero on the first analysis step....

[husseinokail]

Thanks