spline tutorial
spline tutorial
(OP)
Hi
I have kind of the same problem DynamicEng has. I try to do spline tutorial example but it doesnt work.I think there is something wrong with this part. Read these lines that are qouted from tutorial:
"1.Create the spline using the spline editor or the general method.(it does not specify a name for spline)
2 Build a simple nonlinear spring-damper, and then modify it to use the spline. To use the spline in the spring-damper definition, under Stiffness and Damping in the
Spring-Damper Modify dialog box, change the stiffness coefficient to Spline: F=f(defo). ADAMS/View builds a function expression for you, using AKISPL and
modeled spring length as free length."
When I type Spline: F=f(defo) in K window it gives error. This error seems reasonable. How should the program understand this f(defo) is the same spline defined before?we can not set f=f(variable) with 2 different units in splines.Does anybody know what I should do?
I have kind of the same problem DynamicEng has. I try to do spline tutorial example but it doesnt work.I think there is something wrong with this part. Read these lines that are qouted from tutorial:
"1.Create the spline using the spline editor or the general method.(it does not specify a name for spline)
2 Build a simple nonlinear spring-damper, and then modify it to use the spline. To use the spline in the spring-damper definition, under Stiffness and Damping in the
Spring-Damper Modify dialog box, change the stiffness coefficient to Spline: F=f(defo). ADAMS/View builds a function expression for you, using AKISPL and
modeled spring length as free length."
When I type Spline: F=f(defo) in K window it gives error. This error seems reasonable. How should the program understand this f(defo) is the same spline defined before?we can not set f=f(variable) with 2 different units in splines.Does anybody know what I should do?
Talk To Other Members
RE: spline tutorial
Spline: F=f(defo)
seems like very strange syntax to me.
Cheers
Greg Locock
Please see FAQ731-376: Eng-Tips.com Forum Policies for tips on how to make the best use of Eng-Tips.
RE: spline tutorial
Select this option and right click in the field where you would normally specify a K value. An option to Browse for a spline should pop up, and (assuming the spline already exists) you should just be able to pick it in the Database Navigator that appears.
I'm pretty new to ADAMS too, and I have found that the Right Mouse Button browsing (I'm not sure if there's a proper name for it in ADAMS lingo) is a lifsaver. It works pretty much anywhere that input is required, and ensures that you are using the correct syntax.
Good Luck
RE: spline tutorial
Strictly speaking you have a gui problem, I'm sure the underlying solver code is making as much or as little sense as usual.
Cheers
Greg Locock
Please see FAQ731-376: Eng-Tips.com Forum Policies for tips on how to make the best use of Eng-Tips.
RE: spline tutorial
RE: spline tutorial
Create the spline. Use the syntax:
AKISPL(indep_var,0,spline_name)
Why not simply use the function builder? That creates the correct syntax for you.
Jesper Slattengren
www.prattmiller.com
RE: spline tutorial
alex56, You can show this spline tutorial?
Thanks,
Mariusz.