【求助】johnson_liao 请来看看(acf for engine)

big3

我在ADAMS/ENGINE里面，作一个传动系统的模型，现在做到变速箱部分，需要在仿真过程中换档，就是能够实现动态换档的仿真，想通过改变约束（fix joint）来实现，可是Engine里不能通过Scipt control，改怎样实现呢？
  
谢谢！

johnson_liao

You can run *.adm with ACF file.
Please try it !!!
  
Johnson

big3

thank you, johnson, I have done as you told if I understand right: I choose the simulate options as "files_only" in adams/engine and I got the *.adm and *.acf file, then I import the *.adm into adams/view and simulate with the modified *.acf file, but I get the following error, the message show it need a userdefined GFOSUB, but wrote no subroutine:

big3

and I tried another one, even I did not use the *.acf file, just the interactive simulate, the error will appear. How to deal with this?
  
thank you1

johnson_liao

this is a ACF file  for a/Engine.
  
file/model=mm_generic
!
output/noreqsave, noseparator
control/function=user(801,4,5)
equil/sta=1,tlim=1,alim=0.5,maxit=200,err=100,imb=100
simulate/statics
equil/sta=0.1,tlim=0.5,alim=5d,maxit=30,err=10,imb=10
simulate/statics
!
equil/sta=0.001000,tlim=1.000000,alim=10.000000,maxit=25,err=0.000100,imb=0.010000
simulate/statics
output/reqsave
simulate/dynamics, end=10.0, steps=100
!
stop
===========================
  
you can  use ACTIVATE/DEACTIVATE to control them.
  
ADAMSR12 ae ru-solv xx.acf
  
Johnson

big3

thank you johnson, if this work, how to get the simulate results

johnson_liao

You can import *.res, *.gra and *.req
  
Johnson