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CADWorx Plant Professional 2015 Hot Fix 1 Released

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CADWorx Plant Professional 2015 Hot Fix 1 Released

CADWorx 2015 Hot Fix 1 ( CADWorx2015HF1.zip ) for CADWorx Plant Profession 2015 is released. This Hot Fix is now available for download from Intergraph’s Smart Support System. Further information about what is contained in this Hot Fix is available in the Readme File link shown in the download description on the Service Packs and Fixes page.
To access this Hot Fix:

  1. Logon to Intergraph’s Smart Support System at https://smartsupport.intergraph.com.
  2. Select the View Downloads tab.
  3. Select CADWorx.
  4. Select Service Packs and Fixes.
  5. Select the download icon or the file link of the Hot Fix.

If you have trouble accessing this Hot Fix, need further information or a log on for Smart Support, please contact ECE Design.

CAESAR II – Navigating the Material Database

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CAESAR II – Navigating the Material Database for Non-Standard Materials

Situation

CAESAR II – Navigating the Material Database:  Consider an evaluation of a run of piping that includes non-standard materials.  We need to determine whether or not CAESAR II has these materials available, and if not, add them and the material properties for our analysis.  How can we go about doing this?

Initial Problem

Materials like SA-106 Grade B can be selected easily for analysis by typing in “106” in the material field shown in Figure 2.  The number “106” is not directly related to the material, but instead relates to the material ID in the CAESAR II database.   

Solution/Findings

What we need to understand is where is the material ID specified by the material database?  To find this out, lets go to the materials table in the Home tab of the main CAESAR II Input screen (Figure 3).  This opens up the material database editor, and allows us to alter the properties of all the predefined materials that come standard with CAESAR II.   

Figure 2 - Material A106 Gr B selected.
Figure 2 – Material A106 Gr B selected.

 

 

 

Figure 3 - Material database selection
Figure 3 – Material database selection

 

 

 

 

 

 

 

 

Next, we are going to select the edit the material icon, which is the fourth icon from the right in Figure 4.  This will allow you to search all current materials in the database.   In this example I am interested in SA-269, a particular grade of Austenitic Stainless Steel which I need for corrosion resistance.  

Following the dialog input, I typed in “269” and searched.  I received 9 separate material types in return in Figure 5.  The first three correspond to material ID 269, which corresponds with SA-403, this isn’t what I want.  The next 6 materials are exactly what I am looking for.  For the 6 records, there are three groups based on Grade.  The three grades are TP304, TP304L, and TP316L.  For the three grades, there are two separate materials based on whether or not you are using B31.3 or not as your design basis. 

Right now, I have a clear understanding of what material ID number corresponds to these materials.  The middle column “number,” has three identifications, 343, 351, and 352 for TP304, TP304L, and TP 316L respectively. I can go back to my piping input screen in Figure 1 and type in any of these numbers to get the corresponding material grade I am looking for.

 

For now though, let’s take a look at the information CAESAR II contains for a material grade.  I’ll check A269 TP304 B31.3 and click OK.

 

 

Figure 4 - Select the material Edit Icon.
Figure 4 – Select the material Edit Icon.

Figure 5 - Type in "269" and click search.
Figure 5 – Type in “269” and click search.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 6 takes us back to the material database editor after clicking OK.  The largest portion of this table describes the reduction in allowable stress versus temperature, which is a direct copy of the values found in the ASME Boiler and Pressure Vessel Code, Section II Part D.  

In some situations if you are working with a unique grade, you may need to create your own table of allowable stresses, however for the vast majority of cases we are going to be working with default values.  

Figure 6 - Material Details for A269 TP304 for B31.3
Figure 6 – Material Details for A269 TP304 for B31.3

 

 

 

 

 

 

 

 

 

Thank you,

George

CADWorx E&I Beginner Webinar Series Posted

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Hello,

I hope everyone had a great Thanksgiving!

The CADWorx E&I Beginner Series Training Videos have been posted in the training section: {Removed}.  In addition, we have posted the videos below:

[table  width=”95%” colwidth=”25|300″ colalign=”center|left”]

Video, Topic

1,CADWorx E&I Beginner Series Part 1 – Setup and Configuration

2,CADWorx E&I Beginner Series Part 2 – Drawing Templates

3,CADWorx E&I Beginner Series Part 3 – Symbol Creation and Modification

[/table] [vimeography id=”63″]

 

CAESAR II – Utilizing FEA Tools in a CAESAR II Analysis

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CAESAR II – Utilizing FEA Tools in a CAESAR II Analysis

Situation

A piping run exists from 2 pumps and combines into a common header (Figure 1). Can FEATools help in reduce the force on the nozzles at nodes 120 and 570, Pump A and Pump B respectfully? The largest forces to the nozzles are FX=1140 lb on node 120, and FX=3626 lb force on node 570.  Would utilizing FEA Tools in the CAESAR II Analysis help?

Specifically, would it make sense to apply ASME 07-02 to this model through FEATools?

CAESAR II / FEA TOOLS Analysis Problem

If FEATools is used to refine the SIF and flexibilities to new factors at the Tee, would this result in reduced loading at the pump nozzles as seen in CAESAR II?

Solution/Findings

Here are the baseline global element forces for pump A and B prior to using FEATools (Table 1).  A baseline of global element forces for pump A and B after using FEATools is described in Table 2.

Figure 1 - Pumps run to common header.
Figure 1 – Pumps run to common header.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 1 - Baseline forces and moments, Pump A to Pump B
Table 1 – Baseline forces and moments, Pump A to Pump B

t2
Table 2 – Modified forces and moments, Pump A and Pump B

Summary/Conclusions

Obviously, the minimal reduction in forces does not warrant the use of FEATools unless the stresses are approaching the stress allowables.  It is important to first understand what type of conversion is happening here so that we can better understand our results.  The updated SIF’s and flexibilities are coming from ASME 07-02, recommended changes to Appendix D of the B31 codes.  It has been known  that a number of the SIF’s from Appendix D are incorrect and give incomplete guidance.  In addition, the omission of k-factors for branch connections allows for ASME 07-02 to correct these errors.  

Figure 2 below describes the added restraints and springs that are inserted at the branch connection per the guidelines in 07-02 by FEATools.

Figure 2 - ASME 07-02 Tee Conversion Detail
Figure 2 – ASME 07-02 Tee Conversion Detail

Each branch is connected by a series of connecting nodes to the center point of the tee, set with k factors from the allowables in ASME 07-02.  The added spring connections have the potential to reduce stress caused by thermal strain in a given piping system.  This type of model fidelity is best applied when other solutions have not been successful or are not ideal in a CAESAR II analysis, such as adding expansion joints or expansion loops.  In this case, an analyst could conclude that FEATools would not reduce the load significantly enough to make that much difference in the overall equipment loads.

Therefore, if we are going to reduce the loads on the pump nozzles, one must explore other options.

Thank you,

George

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