DummyLeg for Horizontal Turn

[jabowabo]

I'm trying to create a dummy leg as shown on attached sketch.  I can't get any of the catalog supports to center on the pipe - they all default to match bottom of pipe. Does anyone know how to force the support to match center of pipe?

[dgorsman]

No I don't.  Thats a little unusual; virtually every dummy leg standard I've seen maintains common BOP to match the supporting steel.  May I ask what the design purpose of this configuration is?

[jabowabo]

I'm not familiar with the design intent except it is for insulated pipe. I was just given the spec and told to create the items. I can get a support to center but the pipe does not cope correctly where it connects...

[jabowabo · Accepted solution]

Just as an FYI for anyone else interested:  I solved this problem by creating a dummy leg via a Python script and it works as shown on the attachment above.

[rkbpm]

@jabowabo 

Can you please share your python script?

thanks

[jabowabo]

#CREATED by Jason Hudson Ver 1
#EMAIL: wjasonhudson@gmail.com

import aqa.math
import math
from varmain.primitiv import * 
from varmain.var_basic import * 
from varmain.custom import *

@activate(Group="Support", TooltipShort="Dummy Leg Support", TooltipLong="Dummy Leg Support", LengthUnit="in", Ports=1)
@group("MainDimensions")
@param(D=LENGTH, TooltipShort="Pipe diameter", TooltipLong="Pipe diameter")
@param(DLegDia=LENGTH, TooltipShort="Dummy Leg diameter", TooltipLong="Dummy Leg diameter")
@param(DLegLen=LENGTH, TooltipShort="Dummy Leg length", TooltipLong="Dummy Leg length", Ask4Dist=True)

@group(Name="meaningless enum")
@enum(1, "align X")
@enum(2, "align Y")
@enum(3, "align Z")

# (testacpscript "DLEG_DSF")
# testscript1

def DLEG_DSF(s, D=4.5, DLegDia=3.5, DLegLen=48.0, **kw):

    #Calculation:
    PLen = 24
    
    #Create pipe
    p = CYLINDER(s, R=(D/2.0), H=PLen, O=0.0).translate((0, 0, -(PLen/2)))
    p.rotateX(90)
    
    #Create DLeg
    dl = CYLINDER(s, R=(DLegDia/2.0), H=DLegLen, O=0.0).rotateY(90)
    dl.subtractFrom(p)
    p.erase()
    
  
  
  
  
    #Connection Points
    s.setPoint((0, 0, 0), (0, 1, 0))
    
    s.setLinearDimension('DLegLen', (0, 0, 0), (DLegLen, 0, 0))