Calculate pipeline prop wave length, half wave length, inflection length and inflection height for multi layer pipelines.
The prop profile is calculated using beam theory for slender beams (shear is ignored). The pipeline has zero curvature at the inflection points.
Tool Input
- schdtype : Line Pipe Schedule Type
- diamtype : Line Pipe Diameter Type
- ODu : User Defined Outside Diameter
- IDu : User Defined Inside Diameter
- wtntype : Line Pipe Wall Thickness Type
- tnu : User Defined Wall Thickness
- wltype : Pipe Unit Weight Type
- sectype : Cross Section Type
- OODu : User Defined Outer Diameter Including Coatings)
- EIu : User Defined Pipe E x I
- Wu : User Defined Pipe Weight Per Length
- WTi : Pipe Liner Wall Thickness
- ρi : Pipe And Liner Density
- Ei : Pipe And Liner Elastic Modulus
- WTo : Pipe Coating Wall Thickness
- ρo : Pipe Coating Density
- Hp : Prop Height
- ρfi : Internal Fluid Density
- ρb : External Fluid Density
Tool Output
- EI : Pipe E x I
- Hi : Prop Inflection Height
- IID : Pipe Inside Diameter Including Liner
- Lb : Prop Wave Length [m]
- Li : Prop Inflection Length
- Lp : Prop Half Wave Length [m]
- Mb : Buoyancy Mass Per Length
- Mc : Contents Mass Per Length
- Mp : Pipe Mass Per Length Including Liner And Coatings
- OD : Line Pipe Diameter
- OD/tn : Line Pipe Diameter Over Wall Thickness Ratio
- OOD : Pipe Outer Diameter Including Coatings
- Wp : Pipe Weight Per Unit Length
- tn : Line Pipe Thickness