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Variables inside variables with math

weston_koffordweston_kofford Member Posts: 5 EDU
in Using Onshape
so I am modeling a bottle but I want to be able to change a few numbers and end up with a smaller or bigger bottle

I'm using the pithagriam therum to get a wall and have this and both of these variables are assigned

BottleDim=30mm
BottleNeckHeight=80
BottleSideAngle=√((BottleDim/2)^2+BottleNeckHeight^2)

Can someone explain why this doesn't work? if you need more info tell me and I can get it and update the post

Comments

  • NeilCookeNeilCooke Moderator, Onshape Employees Posts: 5,686
    BottleDim has units, Height does not. BottleDim^2 is an area not a length. Balance out the units or remove them altogether. 
    Senior Director, Technical Services, EMEAI
  • weston_koffordweston_kofford Member Posts: 5 EDU
    NeilCooke said:
    BottleDim has units, Height does not. BottleDim^2 is an area not a length. Balance out the units or remove them altogether. 
    Sorry that was a miss type it does have units and I'm performing an equation to find a length...
  • NeilCookeNeilCooke Moderator, Onshape Employees Posts: 5,686 

    BottleDim=30mm
BottleNeckHeight=80mm
BottleSideAngle=sqrt((#BottleDim/2)^2 + #BottleNeckHeight^2)

    Senior Director, Technical Services, EMEAI
  • Nath_McCNath_McC Member Posts: 127 PRO
    edited October 2022
    Removed the comment as I missed Neil's solution.
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