Function errors/warnings/messages

Compose pipe data model

 

Function ready condition: All '(R)equired'-input data tables tested

Function error condition: 10 error conditions, 7 warning conditions, 3 messages

Errors:

E310/1:

Dia/wall thickness ratio ≤ 2

Diameter/wall thickness ratio is less than or equal to 2.

output table PIPEDIM will become questioned

E310/2:

Bendradius/dout ratio ≤ 0.5

Bend radius / outer diameter ratio is less than or equal 0.5.

output table PIPEDIM will become questioned

E310/3:

Material name 'name' not found

The material reference name specified in input table MATL has not been specified in input table ISTROP or ANTROP.

output table PIPEMAT will become questioned with the relevant reference name marked by [Error!]
output table PIPEDIM has not been produced

E310/4:

COR-AL > 50% of T-NOM

The corrosion allowance exceeds half of the nominal wall thickness.

output tables will be produced
output table PIPEDIM will become questioned

E310/5:

Material 'name' found more than once

A material reference name specified in input table MATL has been specified in both input table ISTROP and ANTROP.

output table PIPEMAT will become questioned with the relevant reference name marked by [Error!]
output table PIPEDIM has not been produced

E310/6:

'name' from TEECONF missing in TEESPEC

The Tee reference name in table TEESPEC does not occur in table TEECONF.

no output tables have been produced except T-SDATA which has been questioned.

E310/7:

Water level not defined

In table DEADW in column WLEVEL the specification YES exists and input table W-LEVEL does not exist.

output tables PIPEMAT and PIPEDIM have been produced

(The water level is required to be able to distinguish between submerged and above water pipeline sections.)

E310/8:

Anisotropic material in code not allowed

An anisotropic material has been specified and applied while the Analysis Type has been set to 'NEN 3650', 'ASME B31.8' or 'Belgian Law'.

output table PIPEMAT will become questioned
output table PIPEDIM has not been produced

(The above analysis types are not valid for pipelines made from anisotropic material.))

E310/9:

L-BRN ≤ 0.5*D-RUN of tee 'name'

The length of the branch of a tee is not realistic with respect to the diameter of the run.

output tables PIPEMAT and T-SDATA have been produced
output table PIPEDIM has not been produced

E310/10:

L-RUN ≤ 0.5*D-BRN of tee 'name'

The length of the run of a tee is not realistic with respect to the diameter of the branch.

output tables PIPEMAT and T-SDATA have been produced
output table PIPEDIM has not been produced

 

E310/11:

WLEVEL specified as both Yes and No

Either Deadw1 and Deadw2 are considered to be a jump in the deadweight, or as the deadweight under and above water. A combination of both is not allowed.

E310/12:

SIS‘id’ inner pipe does not fit outer pipe

The outer diameter of the inner pipe is equal or larger than the inner diameter of the outer pipe for the specified SIS section. The pipes physically do not fit into each other. Per outer pipe element the accompanying inner pipe element is checked.

Warnings:

W310/1:

Small diameter/wall thickness ratio

Small diameter/wall thickness ratio occurs, the D/t ratio is smaller than 20.

output tables will be produced

(See table 'Pipe dimension data'  [PIPEDIM].)

W310/2:

Bendpar in table PIPEDIM less than 0.2

Bend parameter does not meet value criterion.

output tables will be produced

(The bendpar value should not be less than 0.2 (for explanation see table PIPEDIM or function CALPIPE).)

W310/3:

Extreme syield/young ratio

Extreme σyield / Young modulus ratio occurs.

output tables will be produced

(Ratio exceeds 1 or is less than .0001.)

W310/4:

Wallth. too small for specified code

The wall thickness specified does not meet the minimum wall thickness criteria of the Code specified in the Analysis Type.

output tables will be produced

(With the NEN3650 code: If the wall thickness meets the group II criteria, but not the group I criteria, message M310/4 is also generated.)

W310/5:

Diam pipes adjacent to 'title' unequal - or - wall pipes adjacent to 'title' unequal

The diameter or wall thickness of the matching pipe is different for the run elements of a Tee.

output tables will be produced

('title'= CONNAME from input table CONNECT and output table T-CDATA. when calculating the stress intensification factors, the highest values are applied.)

W310/6:

Wall for tee 'title' < wall adj. elem

The wall thickness specified for a tee element is less than the wall thickness of the adjacent (matching) pipe element.

output tables will be produced

('title'= CONNAME from input table CONNECT and output table T-CDATA.)

W310/7:

Nu-XF + Nu-FX > 1.0

The Poisson's ratio's of anisotropic material has been specified such that the sum exceeds 1.

output tables will be produced

(Theoretically the sum of the Poisson's ratio's cannot exceed 1, however, this may be slightly the case for the values measured by the manufacturers.)

W310/8:

No diam check on bends with diff radius.

If in a steel-in-steel section the bend radius of the inner pipe is different from that of the outer pipe (which can happen if mitre bends have to be calculated), a check on the the diameters of inner pipe and outer pipe is not possible. The program can not determine whether the inner pipe will fit into the outer pipe.

(For this parts of a SIS section the user has to perform the check manually. Other parts of the same section are checked by the program.)

W310/9:

Wall Welded-On tee 'title' > adj. elem

The wall thickness of the run of the welded-on tee named 'title' is larger than the wall thickness of the adjacent element(s) / matching pipe(s). With this type of tee, the wall thickness of the run should be identical to that of the matching pipe(s).

output tables will be produced

('title'= CONNAME from input table CONNECT and output table T-CDATA.)

W310/10:

Extreme diameter/wall thickness ratio

Extreme diameter/wall thickness ratio occurs, the D/t ratio is smaller than 5 or larger than 200.

output tables will be produced

(See table 'Pipe dimension data'  [PIPEDIM]. Note that design function 6 cannot be calculated with ratios smaller than 5)

Messages:

M310/1:

Diameter/wall thickness of tees changed

The wall thickness or diameter specified in table TEESPEC is different from the values for the pipe section in table WALL and DIAM.

output tables will be produced

(This message is given because the differences may not be intended and the result of input errors.)

M310/2:

(drun-dpipe) for tee 'title' > wall

The difference between the diameter of a Tee run element and the adjacent pipe element exceeds the greater wall thickness.

output tables will be produced

('title'= CONNAME from input table CONNECT and output table T-CDATA. this message is given because the differences may not be intended and the result of input errors.)

M310/3:

Deadweight under water > above water

The deadweight specified for a submerged pipeline section exceeds the above water value in table DEADW.

M310/4:

W310/4 valid for group I pipelines

The wall thickness specified does meet the minimum wall thickness criteria for group II types of pipelines as defined in the NEN3650-2:2012 code. However, it does not meet the group I minimum wall thickness criteria.


H3104, last changed: 25/04/2017

See also:

Design function description

Input data table overview

Output data table overview