Here is a sample of APDL commands for applying sinusoidal current on nodes of a line:
1. First you should define the function as follows (the function name is "current" that you can change it according to your case)
! The equation is: "1000*((sin(100*{PI}*{TIME})^2)^(0.5))"
*DEL,current
*DEL,_FNCNAME
*DEL,_FNCMTID
*DEL,_FNCCSYS
*SET,_FNCNAME,'current'
*SET,_FNCCSYS,0
*DIM,%_FNCNAME%,TABLE,6,12,3,,,,%_FNCCSYS%
! Begin of equation: {TIME}
*SET,%_FNCNAME%(0,0,1), 0.0, -999
*SET,%_FNCNAME%(2,0,1), 0.0
*SET,%_FNCNAME%(3,0,1), 0.0
*SET,%_FNCNAME%(4,0,1), 0.0
*SET,%_FNCNAME%(5,0,1), 0.0
*SET,%_FNCNAME%(6,0,1), 0.0
*SET,%_FNCNAME%(0,1,1), 1.0, 99, 0, 1, 1, 0, 0
*SET,%_FNCNAME%(0,2,1), 0
*SET,%_FNCNAME%(0,3,1), 0
*SET,%_FNCNAME%(0,4,1), 0
*SET,%_FNCNAME%(0,5,1), 0
*SET,%_FNCNAME%(0,6,1), 0
*SET,%_FNCNAME%(0,7,1), 0
*SET,%_FNCNAME%(0,8,1), 0
*SET,%_FNCNAME%(0,9,1), 0
*SET,%_FNCNAME%(0,10,1), 0
*SET,%_FNCNAME%(0,11,1), 0
*SET,%_FNCNAME%(0,12,1), 0
! End of equation: {TIME}
! Begin of equation: 1000*((sin(100*{PI}*{TIME})^2)^(0.5))
*SET,%_FNCNAME%(0,0,2), 0.2, -999
*SET,%_FNCNAME%(2,0,2), 0.0
*SET,%_FNCNAME%(3,0,2), 0.0
*SET,%_FNCNAME%(4,0,2), 0.0
*SET,%_FNCNAME%(5,0,2), 0.0
*SET,%_FNCNAME%(6,0,2), 0.0
*SET,%_FNCNAME%(0,1,2), 1.0, -1, 0, 100, 0, 0, 0
*SET,%_FNCNAME%(0,2,2), 0.0, -2, 0, 3.14159265358979310, 0, 0, -1
*SET,%_FNCNAME%(0,3,2), 0, -3, 0, 1, -1, 3, -2
*SET,%_FNCNAME%(0,4,2), 0.0, -1, 0, 1, -3, 3, 1
*SET,%_FNCNAME%(0,5,2), 0.0, -1, 9, 1, -1, 0, 0
*SET,%_FNCNAME%(0,6,2), 0.0, -2, 0, 2, 0, 0, -1
*SET,%_FNCNAME%(0,7,2), 0.0, -3, 0, 1, -1, 17, -2
*SET,%_FNCNAME%(0,8,2), 0.0, -1, 0, 0.5, 0, 0, -3
*SET,%_FNCNAME%(0,9,2), 0.0, -2, 0, 1, -3, 17, -1
*SET,%_FNCNAME%(0,10,2), 0.0, -1, 0, currcons, 0, 0, -2
*SET,%_FNCNAME%(0,11,2), 0.0, -3, 0, 1, -1, 3, -2
*SET,%_FNCNAME%(0,12,2), 0.0, 99, 0, 1, -3, 0, 0
! End of equation: 1000*((sin(100*{PI}*{TIME})^2)^(0.5))
! Begin of equation: 1e-6
*SET,%_FNCNAME%(0,0,3), 1, -999
*SET,%_FNCNAME%(2,0,3), 0.0
*SET,%_FNCNAME%(3,0,3), 0.0
*SET,%_FNCNAME%(4,0,3), 0.0
*SET,%_FNCNAME%(5,0,3), 0.0
*SET,%_FNCNAME%(6,0,3), 0.0
*SET,%_FNCNAME%(0,1,3), 1.0, 99, 0, 1e-6, 0, 0, 0
*SET,%_FNCNAME%(0,2,3), 0
*SET,%_FNCNAME%(0,3,3), 0
*SET,%_FNCNAME%(0,4,3), 0
*SET,%_FNCNAME%(0,5,3), 0
*SET,%_FNCNAME%(0,6,3), 0
*SET,%_FNCNAME%(0,7,3), 0
*SET,%_FNCNAME%(0,8,3), 0
*SET,%_FNCNAME%(0,9,3), 0
*SET,%_FNCNAME%(0,10,3), 0
*SET,%_FNCNAME%(0,11,3), 0
*SET,%_FNCNAME%(0,12,3), 0
! End of equation: 1e-6
2. Then you should apply the load on nodes:
FLST,2,1,1,ORDE,1
FITEM,2,429
/GO
F,P51X,AMPS,%current%
! %current% is in fact the sinusoidal load that defined as a table
Hi,
You can define sinusoidal load in function editor.Save that function and then go to parameter
-open function---Read from file----open previous saved file----give new name for table parameter.
--Then simply apply the load through table parameter.
Please go through link below
http://www.youtube.com/watch?v=sIX5KKWlT7I
Hello Sajith,
You can also apply a harmonic load using the command F. I don't know exactly what load you want but, for example, if you want to apply a harmonic load with magnitude 10N in the node 100 of your meshed model and in the negative direction of y-axis you have to type as follow:
F,100,FY,-10
It is just an example. If you want more information please refer to ANSYS Command Guide and/or Structural Analysis Guide.
Here is a sample of APDL commands for applying sinusoidal current on nodes of a line:
1. First you should define the function as follows (the function name is "current" that you can change it according to your case)
! The equation is: "1000*((sin(100*{PI}*{TIME})^2)^(0.5))"
*DEL,current
*DEL,_FNCNAME
*DEL,_FNCMTID
*DEL,_FNCCSYS
*SET,_FNCNAME,'current'
*SET,_FNCCSYS,0
*DIM,%_FNCNAME%,TABLE,6,12,3,,,,%_FNCCSYS%
! Begin of equation: {TIME}
*SET,%_FNCNAME%(0,0,1), 0.0, -999
*SET,%_FNCNAME%(2,0,1), 0.0
*SET,%_FNCNAME%(3,0,1), 0.0
*SET,%_FNCNAME%(4,0,1), 0.0
*SET,%_FNCNAME%(5,0,1), 0.0
*SET,%_FNCNAME%(6,0,1), 0.0
*SET,%_FNCNAME%(0,1,1), 1.0, 99, 0, 1, 1, 0, 0
*SET,%_FNCNAME%(0,2,1), 0
*SET,%_FNCNAME%(0,3,1), 0
*SET,%_FNCNAME%(0,4,1), 0
*SET,%_FNCNAME%(0,5,1), 0
*SET,%_FNCNAME%(0,6,1), 0
*SET,%_FNCNAME%(0,7,1), 0
*SET,%_FNCNAME%(0,8,1), 0
*SET,%_FNCNAME%(0,9,1), 0
*SET,%_FNCNAME%(0,10,1), 0
*SET,%_FNCNAME%(0,11,1), 0
*SET,%_FNCNAME%(0,12,1), 0
! End of equation: {TIME}
! Begin of equation: 1000*((sin(100*{PI}*{TIME})^2)^(0.5))
*SET,%_FNCNAME%(0,0,2), 0.2, -999
*SET,%_FNCNAME%(2,0,2), 0.0
*SET,%_FNCNAME%(3,0,2), 0.0
*SET,%_FNCNAME%(4,0,2), 0.0
*SET,%_FNCNAME%(5,0,2), 0.0
*SET,%_FNCNAME%(6,0,2), 0.0
*SET,%_FNCNAME%(0,1,2), 1.0, -1, 0, 100, 0, 0, 0
*SET,%_FNCNAME%(0,2,2), 0.0, -2, 0, 3.14159265358979310, 0, 0, -1
*SET,%_FNCNAME%(0,3,2), 0, -3, 0, 1, -1, 3, -2
*SET,%_FNCNAME%(0,4,2), 0.0, -1, 0, 1, -3, 3, 1
*SET,%_FNCNAME%(0,5,2), 0.0, -1, 9, 1, -1, 0, 0
*SET,%_FNCNAME%(0,6,2), 0.0, -2, 0, 2, 0, 0, -1
*SET,%_FNCNAME%(0,7,2), 0.0, -3, 0, 1, -1, 17, -2
*SET,%_FNCNAME%(0,8,2), 0.0, -1, 0, 0.5, 0, 0, -3
*SET,%_FNCNAME%(0,9,2), 0.0, -2, 0, 1, -3, 17, -1
*SET,%_FNCNAME%(0,10,2), 0.0, -1, 0, currcons, 0, 0, -2
*SET,%_FNCNAME%(0,11,2), 0.0, -3, 0, 1, -1, 3, -2
*SET,%_FNCNAME%(0,12,2), 0.0, 99, 0, 1, -3, 0, 0
! End of equation: 1000*((sin(100*{PI}*{TIME})^2)^(0.5))
! Begin of equation: 1e-6
*SET,%_FNCNAME%(0,0,3), 1, -999
*SET,%_FNCNAME%(2,0,3), 0.0
*SET,%_FNCNAME%(3,0,3), 0.0
*SET,%_FNCNAME%(4,0,3), 0.0
*SET,%_FNCNAME%(5,0,3), 0.0
*SET,%_FNCNAME%(6,0,3), 0.0
*SET,%_FNCNAME%(0,1,3), 1.0, 99, 0, 1e-6, 0, 0, 0
*SET,%_FNCNAME%(0,2,3), 0
*SET,%_FNCNAME%(0,3,3), 0
*SET,%_FNCNAME%(0,4,3), 0
*SET,%_FNCNAME%(0,5,3), 0
*SET,%_FNCNAME%(0,6,3), 0
*SET,%_FNCNAME%(0,7,3), 0
*SET,%_FNCNAME%(0,8,3), 0
*SET,%_FNCNAME%(0,9,3), 0
*SET,%_FNCNAME%(0,10,3), 0
*SET,%_FNCNAME%(0,11,3), 0
*SET,%_FNCNAME%(0,12,3), 0
! End of equation: 1e-6
2. Then you should apply the load on nodes:
FLST,2,1,1,ORDE,1
FITEM,2,429
/GO
F,P51X,AMPS,%current%
! %current% is in fact the sinusoidal load that defined as a table
What should I do if the funciton depends on X and Y and t ? For example Sin(time*X/Y)
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