dnv 2012 results options dialog in autopipe - pipe stress and vessel design - wiki - pipe stress and...

DNV 2012 Results Options dialog inAutoPIPE

Applies To

Product(s): AutoPIPE,

Version(s): 2004, XM, & V8i

Environment: N/A

Area:

Subarea:

Original Author: Bentley Technical Support Group

Details about the DNV 2012 ResultsOptions dialog in AutoPIPE

In AutoPIPE 09.06.xx.xx, select Tools> Model Options> DNV 2012 Results Options> to display thefollowing dialog screen:
http://communities.bentley.com/products/pipe_stress_analysis/w/pipe_stress_analysis__wiki/13643.dnv-2012-results-options-dialog-in-autopipe

Code Category Options Tab:

for each of the Categories of calculations performed determine if that category will use Nominalthickness. Also select the appropriate Safety Class, this setting will automatically adjust theGamma value, or enter a user defined gamma value. This gamma setting is used in thecalculation of of the code allowable.

Design Factor:
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These design factors are used in various calculations:

Condition load effect factor is used in the load control axial load and design momentcalculation.

Material Resistance factor is used in the allowable calculation for load categories.

The Material Strength factor is used in the allowable calculation of Fy and Fu.

The usage factor is used in the ASD check allowable.

Code Combinations Tab

Load effect Factors are used to multiply the indicated load case in the respective combinationcreated by the "Category Components" settings below. .

Category components section:

These would be combinations that would be created based on the category settings of thissection. If the analysis was to consider every variation of Gr+Tn+Pn+Wn+Un there couldliterally be 100's of combinations. The following settings limits the number of combinationscreated:

USL Category:
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Functional = Grt1p1 x (ULS Functional Factor)

Environmental = W1 x (ULS Environmental Factor)

Interference = U1 x (ULS Interference Factor)

Combinations created: GrT1P1+W1+U1, GrT2P2+W1+U1,....GRTnPn+W1+U1

Review the code calculations created under Tools> Combinations> Code Comb tab...

ALS Category:

Functional = Grt1p1 x (ALS Functional Factor)

Environmental = W1 x (ALS Environmental Factor)

Interference = U1 x (ALS Interference Factor)

Accidental = S1 x (ALS Accidental Factor)

Combinations created: GrT1P1+W1+U1+S1, GrT2P2+W1+U1+S1,....GRTnPn+W1+U1+S

Review the code calculations created under Tools> Combinations> Code Comb tab...

General tab:

The Specific gravity and External water surface can be changed under Load> Buoyancy

Per code definition: "Local incidental - I relation to pipelines, this is the internal pressure at anypoint in the pipeline system or pipe line section for the corresponding design pressure,incidental pressure or test pressure adjusted for the column of weight, see Sec.4 B200"

This dialog provide values used in the Incidental pressure calculation, per DNV -2012 sec 4, B202

Select the pressure Case that will be updated per this calculation.

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DNV Piping Code Calculation Issues in AutoPIPE

"Include Bourdon rotational effect" model option in AutoPIPE

"Sustain Margin" (Y/N/E) option in AutoPIPE

DNV Piping Code Enhancements for AutoPIPE

See AlsoBentley AutoPIPE

External LinksBentley Technical Support KnowledgeBase

Bentley LEARN Server

Comments or Corrections?Bentley's Technical Support Group requests that you please submit any comments you have onthis Wiki article tothe "Comments" area below. THANK YOU!

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Applies To Product(s): AutoPIPE, Version...



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What Piping codes are available in AutoPIPE Standard, Plus, orNuclear?



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dnv 2012 results options dialog in autopipe - pipe stress and vessel design - wiki - pipe stress and...

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