United States Nuclear Regulatory Commission - Protecting People and the Environment


ACCESSION #:  9701290202



Information & Support Services

P.O.  Box 3707

Seattle, WA 98124-2207



January 21, 1997

G-1151-SJA-97-038



Document Control Desk

United States Nuclear Regulatory Commission

Washington, D.C.  20555



Reference:     a)   Boeing Letter G-1151-RSO-92-365 dated August 31,

                    1992; R. S.  Orr to the NRC Operations Center



               b)   NRC Letter Docket No.  99901227 dated August 12,

                    1992; L. J.  Norrholm to R.  S.  Orr; Subject:

                    Response to 10 CFR 21 Inquiry



Dear Sir or Madam:



In accordance with the reference correspondence and 10 CFR 21, Boeing is

sending the NRC the attached error notice(s) received from our former

software suppliers.  Because of unknown current addresses, the following

former customers were not notified:



     Reactor Controls, Inc.

     Echo Energy Consultants, Inc.

     Nuclear Applications and Systems Analysis Company (Japan)

     Nuclear Power Services



Error notices have been sent to our other former customers.



Very truly yours,



Sandra J.  Andrews

Nuclear Administrator

Phone: (206) 865-6248

FAX: (206) 865-4851

Mail Stop: 7A-33, or

e-mail: Sandra.Andrews@PSS.Boeing.com



Enclosure(s):  ANSYS Class3 Error Reports 96-47, 96-48, 96-49, 96-50,

               96-51, 96-52, 96-53;

               ANSYS Class3 Error Summary Reports for Rev 5.2 and Release

               5.3



            ANSYS [Registered Trademark] CLASS3 ERROR REPORT



                                                          ERROR NO: 96-47



KEYWORDS:      /CLEAR    DEC-ALPHA           PARALLEL



DESCRIPTION OF ERROR:



     On Dec-Alpha Unix systems if parallel processing is on (NUM _

PROC>1), the /CLEAR command will turn off parallel processing and cause

incorrect results in the subsequent solutions.



FIRST INCORRECT VERSION(S):*_/          CORRECTED IN:*_/



Release 5.3                             Release 5.4



SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:



     If the /CLEAR command is used after doing a solution, do not use

parallel processing on DEC-Alpha Unix systems.



COMMENTS:



AUTHOR/CORRECTOR:                       DATE:  December 20, 1996

                    John Song



REVIEWED BY QA:                         DATE:  December 20, 1996

                    William J. Bryan



APPROVAL:                               DATE:  December 20, 1996

                    John A.  Swanson

________________________

*_/If a product name is not included in the "first incorrect version",

the full ANSYS program is implied.  For products not listed, this error

does not apply, but see the reverse side for equivalent product

designations.



Unless noted otherwise, this error report also applies to all revisions

after the first incorrect one and prior to the corrected revision.  All

revisions after "corrected in" are corrected.  Manual corrections are

included in on-line documentation as appropriate.  Please see the reverse

side of this sheet for additional information on ANSYS revision

identifiers.



            ANSYS [Registered Trademark] CLASS3 ERROR REPORT



                                                          ERROR NO: 96-48



KEYWORDS:           LSDYNA              EDLOAD



DESCRIPTION OF ERROR:



     The EDLOAD command erroneously transfers rotational degrees of

freedom (Lab=ROTX, ROTY or ROTZ) nodal loads as rotational velocity

degrees of freedom nodal loads (Lab=OMGX, OMGY or OMGZ).



Typical GUI Path(s):



Main Menu>Solution>Loading Options>Specify Loads



FIRST INCORRECT VERSION(S):*_/          CORRECTED IN:*_/



Release 5.3                             Release 5.4



SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:



     Users familiar with the LS-DYNA keyword format can edit the file

jobname.k and correct the third field of the

*BOUNDARY_PRESCRIBED_MOTION_SET keyword.  then run LS-DYNA directly using

this corrected file.



COMMENTS:



AUTHOR/CORRECTOR:                       DATE:  December 6, 1996

                    Christopher Aiken



REVIEWED BY QA:                         DATE:  December 6, 1996

                    William J. Bryan



APPROVAL:                               DATE:  December 6, 1996

                    John A.  Swanson

________________________

*_/If a product name is not included in the "first incorrect version",

the full ANSYS program is implied.  For products not listed, this error

does not apply, but see the reverse side for equivalent product

designations.



Unless noted otherwise, this error report also applies to all revisions

after the first incorrect one and prior to the corrected revision.  All

revisions after "corrected in" are corrected.  Manual corrections are

included in on-line documentation as appropriate.  Please see the reverse

side of this sheet for additional information on ANSYS revision

identifiers.



            ANSYS [Registered Trademark] CLASS3 ERROR REPORT



                                                          ERROR NO: 96-49



KEYWORDS:           LSDYNA              ROTATED NODES



DESCRIPTION OF ERROR:



     ANSYS/LS-DYNA ignores nodal rotations.  Because rotated nodes are

not properly error trapped for all cases, some items (such as

displacement constraints) may be erroneously-interpreted in Global

Cartesian coordinates rather than the rotated nodal coordinates.



     Note that the application of symmetry or anti-symmetry boundary

conditions (DSYM,DL,DA) will automatically produce nodal rotations.



Typical GUI Path(s):



Main Menu>Preprocessor>Create>Nodes>To Active CS

Main Menu>Preprocessor>Move/Modify>To Active CS

Main Menu>Preprocessor>Loads>Apply>Displacement



FIRST INCORRECT VERSION(S):*_/          CORRECTED IN:*_/



Release 5.3                             Release 5.4



SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:



     Apply all boundary conditions in the Global Cartesian coordinate

system.  Ensure that there are no non-zero nodal rotations in the model.

This can be accomplished by issuing the following sets of commands.  For

each case, NLIST should list no nodes.



NSEL.ALL       $NSEL.U,ANG.XY,0.0            $NLIST,ALL

NSEL.ALL       $NSEL.U,ANG.YZ,0.0            $NLIST.ALL

NSEL.ALL       $NSEL.U.ANG,ZX.0.0            $NLIST.ALL



COMMENTS:



     Error trapping will be expanded at Release 5.4 to prevent any use of

rotated nodes in ANSYS/LS-DYNA.



AUTHOR/CORRECTOR:                       DATE: December 6,  1996

                    Ashraf Ali



REVIEWED BY QA:                         DATE: December 6,  1996

                    William J.  Bryan



APPROVAL:                               DATE: December 6,  1996

                    John A. Swanson

________________________

*_/If a product name is not included in the "first incorrect version",

the full ANSYS program is implied.  For products not listed, this error

does not apply, but see the reverse side for equivalent product

designations.



Unless noted otherwise, this error report also applies to all revisions

after the first incorrect one and prior to the corrected revision.  All

revisions after "corrected in" are corrected.  Manual corrections are

included in on-line documentation as appropriate.  Please see the reverse

side of this sheet for additional information on ANSYS revision

identifiers.



            ANSYS [Registered Trademark] CLASS3 ERROR REPORT



                                                          ERROR NO: 96-50



KEYWORDS:      SOLID92        PLANE2         SOLID87        CURVED EDGES



DESCRIPTION OF ERROR:



     SOLID92 and PLANE2 may produce erroneous high stress concentrations

for elements with curved edges that have lengths of the order of 1.0E-3

and less.



     SOLID87 may produce erroneous high fluxes across element faces whose

edges are curved and have lengths of the order of 1.0E-3 and less.



Typical GUI Path(s):



There are numerous GUI paths that produce curved edge elements described

above.



FIRST INCORRECT VERSION(S):*_/          CORRECTED IN:*_/



Release 5.3                             Release 5.4

Component Products Release 5.3          Component Products Release 5.4



SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:



     Set the undocumented KEYOPT(8) for SOLID92, PLANE2,  SOLID87 equal

to 1 and run the problem.  This will produce the correct stresses and

fluxes.



COMMENTS:



AUTHOR/CORRECTOR:                            DATE: December 6, 1996

                    Pakal Rahulkumar



REVIEWED BY QA:                              DATE: December 6, 1996

                    William J. Bryan



APPROVAL:                                    DATE: December 6, 1996

                    John A.  Swanson



________________________

*_/If a product name is not included in the "first incorrect version",

the full ANSYS program is implied.  For products not listed, this error

does not apply, but see the reverse side for equivalent product

designations.



Unless noted otherwise, this error report also applies to all revisions

after the first incorrect one and prior to the corrected revision.  All

revisions after "corrected in" are corrected.  Manual corrections are

included in on-line documentation as appropriate.  Please see the reverse

side of this sheet for additional information on ANSYS revision

identifiers.



            ANSYS [Registered Trademark] CLASS3 ERROR REPORT



                                                          ERROR NO: 96-51



KEYWORDS:      /GRAPHICS.POWER     POST1     LCOPER         PLNSOL



DESCRIPTION OF ERROR:



     The POST1 element results displayed by the PLNSOL command will be

incorrect if all of the following commands have been issued:



1.   Power graphics are enabled (/GRAPHICS, POWER)

2.   Element results are displayed by the PLNSOL command

3.   Then load case operations are performed (LCOPER)

4.   Then the operated element results are displayed by the PLNSOL

     command.



     The second and subsequent PLNSOL command will display the same

results as the first PLNSOL command until a PLESOL command is issued.



Typical GUI Path(s):



Utility Menu>PlotCtrls>Style>Hidden-Line Options

Main Menu>General PostProc>Plot Results>Nodal Solution

Utility Menu>Plot>Results>Contour Plot>Nodal Solution

Main Menu>General Postproc>Load Case



FIRST INCORRECT VERSION(S):*_/               CORRECTED IN:*_/



Rev.  5.2                               Release 5.4

Component Products Rev.  5.2            Component Products Release 5.4



SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:



COMMENTS:



AUTHOR/CORRECTOR:                       DATE: December 6, 1996

                    Herb Mroz



REVIEWED BY QA:                         DATE: December 6, 1996

                    William J.  Bryan



APPROVAL:                               DATE: December 6, 1996

                    John A. Swanson



________________________

*_/If a product name is not included in the "first incorrect version",

the full ANSYS program is implied.  For products not listed, this error

does not apply, but see the reverse side for equivalent product

designations.



Unless noted otherwise, this error report also applies to all revisions

after the first incorrect one and prior to the corrected revision.  All

revisions after "corrected in" are corrected.  Manual corrections are

included in on-line documentation as appropriate.  Please see the reverse

side of this sheet for additional information on ANSYS revision

identifiers.



            ANSYS [Registered Trademark] CLASS3 ERROR REPORT



                                                          ERROR NO: 96-52



KEYWORDS:           DOCUMENTATION            SELECT



DESCRIPTION OF ERROR:



     The Commands Manual documentation for the select commands (xSEL

family of commands, where x is A, K, L, V, E or N) fails to describe a

tolerance that is used when unequal MIN and MAX values are entered to

indicate a select range.  For such cases, a tolerance of +/- 1E-8*_/(MAX

- MIN) is added to the select range.



     Users should be aware that using exceptionally large values for MIN

and/or MAX may cause unanticipated items to be chosen by the select due

to this tolerance.  This typically occurs when selecting all positive (or

negative) values by entering an exceptionally large value in the MAX (or

MIN) field to denote infinity.



Typical GUI Path(s):



Utility Menu>Select>Entities



FIRST INCORRECT VERSION(S):*_/          CORRECTED IN:*_/



Release 5.3 Commands Manual             Release 5.4 Commands Manual



SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:



     When selecting, use a value for MAX and/or MIN that is reasonable

for the select range that is desired.



COMMENTS:



     Note that this tolerance was introduced at Release 5.3 and any

previous inputs may show this incompatibility.



AUTHOR/CORRECTOR:                       DATE: December 6, 1996

                    Dave Conover



REVIEWED BY QA:                         DATE: December 6, 1996

                    William J. Bryan



APPROVAL:                               DATE:  December 6, 1996

                    John A.  Swanson

________________________

*_/If a product name is not included in the "first incorrect version",

the full ANSYS program is implied.  For products not listed, this error

does not apply, but see the reverse side for equivalent product

designations.



Unless noted otherwise, this error report also applies to all revisions

after the first incorrect one and prior to the corrected revision.  All

revisions after "corrected in" are corrected.  Manual corrections are

included in on-line documentation as appropriate.  Please see the reverse

side of this sheet for additional information on ANSYS revision

identifiers.



            ANSYS [Registered Trademark] CLASS3 ERROR REPORT



                                                          ERROR NO: 96-53



KEYWORDS:      PIPE20              ELEM20         STRESS STIFFENING

               ANTYPE, BUCKLE      SSTIF, ON      PSTRESS, ON



DESCRIPTION OF ERROR:



     The axial force used for the stress stiffening matrix of PIPE20 (the

plastic straight pipe element) does not include the effect of internal or

external pressure.  Stress stiffening is activated by the SSTIF, ON or

PSTRES, ON commands.



TYPICAL GUI PATH(S):



SSTIF,ON and PSTRESS,ON - Main Menu>Preprocessor>Loads>Analysis Options

                          Main Menu>Solution>Analysis Options



FIRST INCORRECT VERSION(S):*_/               CORRECTED IN:*_/



Rev.  3.0                                    Release 5.4



SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:



     Consider using PIPE16, the elastic straight pipe element.



COMMENTS:



     The commands noted above which activate stress stiffening apply to

Revision 5.0 and up.  Earlier releases used different commands to

activate stress stiffening.



AUTHOR/CORRECTOR:                       DATE: December 6, 1996

                    Peter Kohnke



REVIEWED BY QA:                         DATE: December 6, 1996

                    William J.  Bryan



APPROVAL:                               DATE: December 6, 1996

                    John A.  Swanson

________________________

*_/If a product name is not included in the "first incorrect version",

the full ANSYS program is implied.  For products not listed, this error

does not apply, but see the reverse side for equivalent product

designations.



Unless noted otherwise, this error report also applies to all revisions

after the first incorrect one and prior to the corrected revision.  All

revisions after "corrected in" are corrected.  Manual corrections are

included in on-line documentation as appropriate.  Please see the reverse

side of this sheet for additional information on ANSYS revision

identifiers.



                  ANSYS Revision Identifier Description



     ANSYS revision identifiers consist of a major revision level, a

minor revision level, a correction level, and occasionally a special

version level.  An example of how this is constructed is shown below:



Figure omitted



     Major revision level changes indicate that new features have been

added to the program and that some level of program architecture change

and/or file structure has occurred.  Minor revision level changes also

indicate that new features have been added to the program, but files are

upwardly compatible.  All known error fixes are included in both minor

and major revisions.  Changes to the correction level indicate that it is

primarily an error correction release.  Special version identifiers

indicate that one or more additional minor changes have been made to the

program, normally to circumvent an error.  Special versions are not

general releases to all ANSYS licensees, since they typically represent

errors occurring only on one system, a subset of our customers who have

specific graphics devices, etc.



     The ANSYS revision identifier(s) shown under "corrected in" on the

front side of this Class3 Error Report indicates the first possible

revision that could contain the correction.  A major program change

needed to fix an error can dictate that the next minor or major revision

will contain the fix rather than the next correction level.  For example,

when errors were being reported while Rev. 4.3A was the latest production

version, most Class3 error reports indicated that 4.3B was the "corrected

in" revision.  Others requiring significant code restructuring were

reported as fixed in 4.4.  Rev. 4.3B was never released, but Rev. 4.4

contained all error corrections noted as fixed in 4.3B.



     An identifier indicated under "corrected in" does not guarantee that

a general release of that revision of ANSYS will occur.  It does indicate

that the correction is known and implemented in the coding that would be

part of that general release.



                     Equivalent Product Identifiers



     The ANSYS family of component products occasionally undergoes name

changes between revisions and/or changes in the functionality of derived

products (such as ANSYS-PC/LINEAR).  To minimize the potential for

confusion in these areas.  the important product name equivalences

(similar program functionality and error content) are listed below.



     ANSYS/ED  contains all errors shown     the full ANSYS product,

               for                           starting at Rev.  5.0,

                                             and beyond, unless otherwise

                                             noted.



     PREPPOST  contains relevant errors      the full ANSYS product, for

               shown for                     included pre- and

                                             postprocessing functionality



     ANSYS Component Products is an          All component products that

           inclusive term for                were issued at the stated

                                             revision level(s)



     PC/LINEAR is equivalent to              WS/LINEAR at Rev.  4.4A.

                                        and  ANSYS/LinearPlus starting at

                                             Rev.  5.0A.



     PC/THERMAL is equivalent to             WS/THERMAL at Rev.  4.4A,

                                        and  ANSYS/THERMAL starting at

                                             Rev.  5.0A.



     PC/MAGNETIC is equivalent to            ANSYS/Emag starting at Rev.

                                             5.0A



ANSYS [Registered Trademark]



                                        January 8, 1997



Dear Class3 Error Recipient:



          Enclosed you will find ANSYS Class3 Error Reports 96-47, 96-48,

96-49, 96-50, 96-51, 96-52, and 96-53.  These reports were issued in the

last quarter of 1996.



          In the year 1996 the following Class3 Error Reports were

issued: Class3 Error Reports 96-01 through 96-53, 96-02 R1, 95-55 R1, 95-

49 R1, 95-39 R1, 95-37 R1, 94-68 R2, 93-33 R1, 93-03 R1, 92-25 R1, and

96-45 R1.  ANSYS QA Notices QA96-01 through QA96-09 and QA96-05 R1 were

also issued.  ANSYS Support Coordinator Bulletin SCB 96-01 was also

issued.  If you are missing any of these reports, please contact Bonny

Podolek at 412-873-2858 and they will be provided to you.



          I would like to remind you of the various ways that you can

receive Class3 error information.  Quarterly, Class3 errors will be

delivered by mail to the ANSYS Support Coordinator listed on your ANSYS

license agreement.  Please complete and return the attached change form

if there has been a change in personnel or an address change so that

these reports can be delivered promptly.



          For users desiring access to Class3 errors on a more timely

basis you can be added to our email distribution list.  To register for

email notification of reports, simply send an email request including

your email address, company name/address and ANSYS agreement number to

bpodolek@ansys.com.  If you are a subscriber to email distribution,

please keep us informed of any changes in your email address by emailing

bpodolek@ansys.com.



     Finally, Class3 Errors and QA Notices are posted on ANSYS's Internet

HomePage.  The address is http://www.ansys.com.  They are located in the

ANSYS Zones section of the HomePage under Customer.  The username to

enter this area is "customer" and the password is "ain1fm" (ANSYS is

number 1 for me).



     For your convenience, also enclosed with this mailing you will find

ANSYS Class3 Error Summary Report Summaries sorted both by error number

and keyword for Rev.  5.2 and Release 5.3



     I would like to take this opportunity to extend to you wishes for a

prosperous new year.



                                   Sincerely,



                                   ANSYS, Inc.



                                   William J.  Bryan

                                   Quality Assurance Manager



Table "ANSYS 5.2 CLASS3 ERROR SUMMARY, KEYWORD SORT OF ALL REVISION

5.2

CLASS3 ERRORS, Date of this report: 1/4/97", 6 pages, omitted.



Table "ANSYS 5.2 CLASS3 ERROR SUMMARY BY REPORT NUMBER", 2 pages,

omitted.



Table "ANSYS 5.3 CLASS3 ERROR SUMMARY KEYWORD SORT OF ALL REVISION 5.3

CLASS3 ERRORS, Date of this report: 1/4/97", 2 pages, omitted.



Table "ANSYS 5.3 CLASS 3 ERROR SUMMARY BY REPORT NUMBER" omitted.



*** END OF DOCUMENT ***



Page Last Reviewed/Updated Thursday, March 29, 2012