Catia Law Editor Syntax Problem

[jagandeep]

Hello Friends,
I want to create curve defined by following formula.

Y = Rc-sqrt(Rc*Rc-X*X*L*L)+K*(X*L-Rb)*(X*L-Rb)*(X*L-Rb)

Y is evaluated w.r.t. X

Here Y and X are formal Parameters of type Real
Rc,L,K,Rb are Parameters of type Length (in mm)

I get bloody old bullshit error "Units are not homogeneous" when I put same into Law Editor

I think I have to thoroughly understand the unit conversion rules. Can anyone enlighten me on same ?

Thanks

 

[itsmyjob]

if X and Y are real and L is mm you can not write Y=X+L

but Y= X + L/1mm is ok

also you can not write SQR ( mm^2 - mm^4)


What you can do is create L1 (no unit) = L / 1mm and replace L with L1 in your formaula...it might be easier than puting /1mm everywhere

Eric N.
indocti discant et ament meminisse periti ​

 

[jagandeep]

Thanks for reply itsmyjob.
if I convert X and Y into Length Type, will it solve my problem ?