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CATIA, powered by Dassault Syst&232 mesвЂ™ 3DEXPERIENCE. I defined a length parameter with multiple values ranging from the base to the top of the tank -Secondly and most importantly - the results im getting show the max pressure at the top of the model rather than at the bottom - obviously with a fluid in the tank max pressure should be at h=base of the tank. CATIA V5-6R2017 for Designers is a comprehensive textbook written with the intention of helping the readers effectively use all solid modeling tools and other features of CATIA V5-6R2017.

Also, it enable the users to quickly model both simple and complex shapes using wireframe, volume and surface features. The chapter on the FreeStyle workbench will enable the users to dynamically design and manipulate surfaces. In this textbook, a chapter on FEA and structural analysis has been added to help users to analyze their own designs by calculating stresses and displacAfter reading this textbook, the users will be able to create solid parts, sheet metal parts, assemblies, weldments, drawing views with bill of materials, presentation views to animate the assemblies, analyze their own designs and apply direct modeling techniques to facilitate rapid design prototyping. Also, the users will learn the editing techniques that are essential for making a successful design.Prof.

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As a precaution, a full backup of the files to a new directory should be performed. In such cases CATDUAV5 should be run as soon as possible - as outlined in this article. However, even on previously 'Cleaned' files, new issues may arise. This guide outlines a process to prevent this and often repair existing issues, using the 'CATIA Data Upward Assistant for V5' (CATDUAV5), provided by Dassault Systemes.Ideally, CATDUAV5 should be run before starting work on a new 3DCS model. Doing so can dramatically improve the stability of CATIA V5 and 3DCS, while failure to do so can be catastrophic - file issues may remain hidden until it is too late to avoid data loss. In CATIA V5, it is sometimes necessary to repair damaged files.

View the assembly in CATIA. This can be found by searching for 'CATDUA', and is very helpful in understanding the output logs generated by this process.Before running CATDUAV5 the following steps should be taken: Please also see the CATIA online help for information about error codes returned by DUA.

Output Directory - location where the Cleaned files will be saved, and also 'Clean' and 'Check' output logs. A new dialog will appear (see right) with many options which are explained below. There will be a short delay, and a dialog box will appear. In CATIA, Go to Tools Гћ Utility. Ideally, CATIA should be open, with no files loaded.

Check/Clean - 'Check' parts for problems (doesn't modify the files, generates log files) or 'Clean' files, which corrects errors wherever possible. This should be used when Cleaning files using output to same directory. Replace - if Output Directory is set to one already containing files, replace old files with new. By selecting only one CATProduct, the entire model can be selected. Process pointed documents - all CATParts and CATProducts under a top level product will be selected automatically.

Save - save all parameters to an XML file, so the job can be run later. Remove - remove selected files from list, so they will not be processed. Check 'Process pointed documents' first, if necessary. Select - select files to be processed.

Re-run CATDUAV5 after and unwanted files should not be listed, as the CATProducts will no longer contain old linksAt this point, all files should be backed up to a new directory which will eventually contain the repaired files, as well as the output logs. If this occurs, remove unwanted files from the list before starting the process. Often, old links in a CATProduct will be followed, causing changes to files in other locations. When complete, the CATDUAV5 dialog box will remain on screen, and the command window will disappear.Note: When SELECTING files using 'Process pointed documents': Take care that only files that should be processed are listed. This process can be time consuming depending on the number of files and complexity of the repairs. A command window will appear, and will remain until the process is complete.

If the second Check doesn't return error free, the problem may not be fixable using CATDUAV5.Note: When running a Clean or Check multiple times, the log files should be copied to another directory before each new run. Regardless, a final Clean should finish the job, and a Check will verify it. In rare cases, the repair itself may cause a new issue, although this is extremely unusual and should be minor. Occasionally the final Check will uncover new errors. Compare logs to verify that all problems are fixed.

Close top product, so none of the files to be processed are open in CATIA. If any files are not carried automatically to the new location, use 'save as' and target those files manually (see Appendix B, item # 1)2. This is particularly important when fixing badly corrupted models.Appendix A: CATDUAV5 Quick Reference Guide1.Copy all files to a new directory, using 'Save Management' and 'Propagate Directory'.CAUTION: When propagating to new directory, verify that EVERY FILE is targeted to the new directory, and indicates 'SAVE' as the action to be performed.

Select/check 'replace' and 'Process pointed documents'.Note: selecting 'Process pointed documents' will select all documents attached to a Product.Note: running Clean first is advisable, followed by a verification Check. 'Select Output Directory' to match location of files to be processed.5. Go to Tools Гћ Utilities and in the pop-up window, double-click 'CATDUAV5'.4.

If not, return to step #7 and Clean again. Select the top product again to verify that only desired files are now listed. Remove all files from list by selecting and clicking the 'remove' button. See Appendix B for more info.10. Verify that only those files desired are selected.CAUTION: Certain CATProduct file corruptions will result in files outside the current directory being selected, and generally these should be removed from the list. Click 'Select' button and choose the top CATProduct to be processed.8.

When propagating a model to a new directory, all linked parts do not propagate automatically, and may not show 'save' under action to be performed.2. Verify that all files have been moved to the new directory, and continue working with the files as usual.Appendix B: Specific Issues Fixed By CATDUAV51. When completed, the top product in the output directory should be propagated to a new location. There will be an html file in the output directory titled 'OutputCATDUA.htm' which summarizes all results.12. Review output logs from CATDUAV5 to verify that all issues are corrected.

This will often occur when the user interacts with corrupted geometry.6. CATIA crashes frequently, sometimes without warning. In this case, CATIA crashes during initial loading of the parts.The following items are overall performance and stability issues addressed by CATDUAV55. Model from 4.14.0 can not be opened in 4.14.1 of 3DCS (this is actually a CATIA issue - fixed by CATDUAV5). User receives errors when opening a model, indicating that files can not be found, but the files should not be in the model in the first place (stale links, not removed properly by CATIA).4. When the model is later re-opened, changes made are missing.3.

Validate Model does not detect this issue.8. This is usually first seen as a 3DCS error when nominal building the model - 'move can not be resolved'. 3DCS still correctly tracks which part the points are on, but the position in space is translated to a different instance of the part. Points shift from one instance of a CATPart to another within CATIA.

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Upon completion of final checks, run simulations again.4. Proceed with CATDUAV5 processing per this guide.3. Before starting the CATDUAV5 procedure, run 2000 simulations* of the model, saving SIM output as CSV to a safe location, where it will not be deleted or over-written.2. Do not change any moves, move order, names, or turn any moves on or off between 'before' and 'after' SIM runs.1. Placing a common prefix on these measure names such as 'test_' will assist in removing them later, when verification is complete.Note: Measurement order and names in the output CSV file must be identical before and after CATDUAV5 processing for this verification to work. If this is not the case, use Measurement Generator to create measurements on as many parts as possible before proceeding.

Compare Nominal columns from both sets of simulations. The Measurement name columns must match between both SIM runs.6. Open both CSV files in Excel, placing 'Measurement Name', 'Nominal' columns side by side on a sheet.

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