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user subroutine

user subroutine

user subroutine

(OP)
Hi guys,
I want to write a simple subroutine that gets the coordinates of a node (i.e. 10600, see attached file) and, at the moment, writes them in a text file. Generally I start with  simple exercise for understanding how to use, in this case, the function GETVRN. My question is, as far as I understand, for using the GETVRN function, I have to use it inside the function UMESHMOTION in order to get the parameter JGVBLOCK, so at the of the day my "simple" (smile) subroutine should be as the one I've attached in this thread. One more problem is that in my input I need to use also the MPC user subroutine so the question is how is possible to use both of the subroutine at the same time?

Thanks

Bye

RE: user subroutine

(OP)
Hi,
as regards the second issue I got around it simply putting in the same file .for the two subroutine and calling this file in the command line when submitting the analysis. As regards the first issue I realise that I can retrive nodal coordinates also with the function DISP but at the end of my exercise I'd like to impose a concentrated load during a step to a single point as a fucntion of it's spatial coordinates. Is it possible? I found out the user subroutine for applying distributed loads (taht is DLOAD) but anything for concentrated load....

Any suggestion?

tahnks

bye

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