United States Nuclear Regulatory Commission - Protecting People and the Environment

ACCESSION #: 9505250206

                        Boeing Computer Services
                             P.O. Box 24346
                         Seattle, WA 98124-0346

BOEING

May 16, 1995
G-1151-RSO-95-205

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,

R. S. Orr
Nuclear Administrator
G-1151 M/S 7A-33
(206) 865-6248

Attachment(s): ANSYS Class3 Error Reports 95-21, 95-22, 95-23,
95-24,
               95-25, 95-26, 95-27, 95-28, 95-29

                         ANSYS, Inc.
                         201 Johnson Road         Telephone
412.746.3304
                         Houston, PA 15342-1300   Facsimile
412.746.9494

                               May 9, 1995

Dear Class3 Error Recipient:

     Enclosed you will find ANSYS Class3 Error Reports 95-21,
95-22, 95-
23, 95-24, 95-25, 95-26, 95-27, 95-28 and 95-29.

                                             Sincerely,

                                             ANSYS, Inc.

                                             Prashant Ambe
                                             Quality Assurance
Manager

                  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 "5.0A-10" 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 that it is
primarily an error correction release.  Special version
identifies
indicate that one or more additional minor changes have been made
to the
program, normally to circumvent an error.  Special versions we
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 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 reposes indicated that 4.3B was the
"corrected
in" revision.  Others requiring significant code resources 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 the general release.

                     Equivalent Product Identifiers

     The ANSYS family of 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  contain all errors shown for  the full ANSYS
product,
                                             starting at Rev.
5.0,
                                             and beyond, unless
otherwise
                                             noted

     PC/LINEAR is equivalent to              WS/LINEAR at Rev.
4.4A
                                        and  ANSYS/LINEAR
starting at
                                             Rev. 5.0.

     PC/THERMAL is equivalent to             WS/THERMAL at Rev.
4.4A
                                        and  ANSYS/THERMAL
starting at
                                             Rev. 5.0.

     PREPPOST  contains relevant errors      the full ANYS
product,
               shown for                     for included pre-
and
                                             postprocessing
functionality

            ANSYS (Registered Trademark) CLASS3 ERROR REPORT

                                                  ERROR NO: 95-21

KEYWORDS:      ELEM17         PIPE17         THERMAL LOAD

DESCRIPTION OF ERROR:

     All results of an analysis containing PIPE17 elements with
thermal
loads are incorrect.  The incorrect thermal load vector for
PIPE17 is of
the right order of magnitude, but pollutes the entire solution
for
analyses containing these elements.

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

Rev. 5.0                                Rev. 5.2
ANSYS PC/LinearPlus Rev. 5.0A           ANSYS PC/LinearPlus Rev. 
5.2

SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:

     Use PIPE16 for each branch.

COMMENTS:

AUTHOR/CORRECTOR:                            DATE: 5/9/95
                    Cecil R. Rogers

REVIEWED BY QA:                              DATE: 5/9/95
                    Prashant Ambe

APPROVAL:                                    DATE: 5/9/95
                    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.

                                             FORM SASI-QA25
                                             DEC 19, 1988

            ANSYS (Registered Trademark) CLASS3 ERROR REPORT

                                                  ERROR NO: 95-22

KEYWORDS:      GUI       REAL CONSTANTS      ELEM46    ELEM91   
ELEM99

DESCRIPTION OF ERROR:

     The real constant information for layered elements SOLID46,
SHELL91,
and SHELL99 is incorrect if the data is entered by means of the
Graphical
User Interface (GUI) dialog boxes.  This only occurs when the
number of
layers (NL) is greater than eight for SHELL91 and ten for SOLID46
and
SHELL99.  The RMODIF commands created by additional dialog boxes
after
the first are not offset correctly and therefore overwrite
previous real
constant data input in earlier dialog boxes.

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

Rev. 5.1                                Rev. 5.2

SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:

     Input the real constant information through the "ANSYS
Input" window
using the R and RMODIF commands.

COMMENTS:

AUTHOR/CORRECTOR:                            DATE: 5/9/95
                    Eric P. Clevenger

REVIEWED BY QA:                              DATE: 5/9/95
                    Prashant Ambe

APPROVAL:                                    DATE: 5/9/95
                    John 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.

                                                  FORM SASI-QA25
                                                  DEC 19, 1988

            ANSYS (Registered Trademark) CLASS3 ERROR REPORT

                                                  ERROR NO: 95-23

KEYWORDS: BFUNIF    TUNIF     LSSOLVE   LSWRITE   LSREAD CDWRITE
CDREAD

DESCRIPTION OF ERROR:

     If a uniform temperature (TUNIF or BFUNIF,TEMP) is not
explicitly
specified, the default value is not written to the load step file
(LSWRITE) or the file written by the CDWRITE command.  If a
non-default
TUNIF or BFUNIF, TEMP is then specified and is active in the
database,
that non-default value will be used for load steps read from the
load
step file (LSREAD or LSSOLVE) or the file read by the CDREAD
command, and
could erroneously be used in the solution.

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

Rev. 5.0                                Rev. 5.2
Component Products Rev. 5.0A            Component Products Rev.
5.2

SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:

     Before issuing LSREAD, LSSOLVE, or CDREAD, set TUNIF to an
APDL
parameter that is undefined.

COMMENTS:

AUTHOR/CORRECTOR:                                 DATE: 5/9/95
                    Christopher W. Aiken

REVIEWED BY QA:                                   DATE: 5/9/95
                    Prashant Ambe

APPROVAL:                                         DATE: 5/9/95
                    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.

                                                  FORM SASI-QA25
                                                  DEC 19, 1988

            ANSYS (Registered Trademark) CLASS3 ERROR REPORT

                                                       ERROR NO:
95-24

KEYWORDS:      POST1     LCOPER         TOP-DOWN SUBSTRUCTURING

DESCRIPTION OF ERROR:

     When using top-down substructuring (see Ch. 17.1.4 in the
Procedures
Manual), the POST1 LCOPER command will not work correctly when it
is used
to bring results into the database for each superelement in the
model.

FIRST INCORRECT VERSION(S):*_/          CORRECTED IN: *_/
Rev. 5.0                                Rev. 5.2

SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:

Use the SET or LCASE command to bring in results for each
superelement in
the model.

COMMENTS:

AUTHOR/CORRECTOR:                            DATE: 5/9/95
                    Herb Mroz

REVIEWED BY QA:                              DATE: 5/9/95
                    Prashant Ambe

APPROVAL:                                    DATE: 5/9/95
                    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.

                                                  FORM SASI-QA25
                                                  DEC 19, 1988

            ANSYS (Registered Trademark) CLASS3 ERROR REPORT

                                                       ERROR NO:
95-25

KEYWORDS: ELEM8     ELEM10    LINK8     LINK10    MISCELLANEOUS 
RECORDS

DESCRIPTION OF ERROR:

If element types LINK8 or LINK10 are in the model, a
system-dependent
error may produce incorrect solution results (displacements,
stresses,
etc.) in each substep after the first substep in which the
miscellaneous
records data are written to the results file.

     This error will not occur on the Silicon Graphics Iris 8000,
64 bit
version.

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

Rev. 5.1                                     Rev. 5.2

SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:

     Suppress writing of the miscellaneous data to the results
file by
issuing OUTRES,MISC,NONE before solution.

COMMENTS:

     All results for a one substep (e.g. linear) problem are
correct.

AUTHOR/CORRECTOR:                            DATE:  5/9/95
                    Lisa M. Fordanich

REVIEWED BY QA:                              DATE:  5/9/95
                    Prashant  Ambe

APPROVAL:                                    DATE:  5/9/95
                    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.


                                             FORM SASI-QA25
                                             DEC 19, 1988

            ANSYS (Registered Trademark) CLASS3 ERROR REPORT

                                                  ERROR NO: 95-26

KEYWORDS: DL        DA        LINE SYMMETRY       AREA SYMMETRY

DESCRIPTION OF ERROR:

     When line or area symmetry or anti-symmetry conditions are
transferred to the finite element model as nodal DOF constraints,
no node
rotation is performed for any node where its existing nodal DOF
direction
is within 2.6 degrees of the required constraint direction.

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

Rev. 4.3                                     Rev. 5.2
Component Products Rev. 4.3                  Component Products
Rev. 5.2

SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:

     For a symmetry or anti-symmetry surface having its normal
direction
within 2.6 degrees of, but not parallel to, a global DOF
direction, use
nodal symmetry (the DSYM command) rather than line or area
symmetry.
(Hint: The CSKP command can be used to define an appropriate
local
coordinate system to be used with DSYM.)

COMMENTS:

     The corrected version will perform a node rotation unless an
existing nodal DOF direction is within 0.081 degrees of the
required
constraint direction.

AUTHOR/CORRECTOR:                            DATE: 5/9/95
                    Anton V. Mobley

REVIEWED BY QA:                              DATE: 5/9/95
                    Prashant Ambe

APPROVAL:                                    DATE: 5/9/95
                    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.

                                                  FORM SASI-QA25
                                                  DEC 19, 1988

            ANSYS (Registered Trademark) CLASS3 ERROR REPORT

                                                  ERROR NO: 95-27

KEYWORDS: GUI            WINDOWS NT          DATA TABLES

DESCRIPTION OF ERROR:

     When editing ANSYS data tables in the Graphical User
Interface
(GUI), the last value entered does not get saved on an "apply" or
"
apply/quit".  This error only occurs on the Windows NT version. 
Data
tables can be accessed, for example, by using the following menu
path:
Parameters [right arrow] Array Parameters [right arrow]
Define/Edit
[right arrow] Add... [right arrow] (fill in information) [right
arrow] OK
[right arrow] Edit ...

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

ANSYS Rev. 5.1-23                            ANSYS Rev. 5.1-48
(Windows NT version)                         (Windows NT version)

SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:

     Tab or use the mouse to go to another field after entering
the last
data value to force the save.

COMMENTS:

AUTHOR/CORRECTOR:                            DATE: 5/9/95
                    Vince Pajerski

REVIEWED BY QA:                              DATE: 5/9/95
                    Prashant Ambe

APPROVAL:                                    DATE: 5/9/95
                    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.

                                                       FORM
SASI-QA25
                                                       DEC 19,
1988

            ANSYS (Registered Trademark) CLASS3 ERROR REPORT

                                                       ERROR NO:
95-28

KEYWORDS:           BFKDEL         NODAL BODY FORCES

DESCRIPTION OF ERROR:

     BFKDEL has the following errors:

1.   The documentation of BFKDEL (which deletes keypoint body
forces)
     does not adequately explain the associated deletion of nodal
body
     forces.  The statement:

          "Deletes body force loads (and all corresponding finite
element
          loads) for a specified keypoint and label:"

     should read:

          "Deletes body force loads for specified keypoints and
labels.
          Also deletes the corresponding nodal body force loads
from the
          nodes associated with the specified keypoints, and from
the
          nodes associated with the lines, areas, or volumes
connected to
          the specified keypoints."

          Note that transfer of the keypoint body forces would
have
          applied body forces to this same set of nodes.

2.   BFKDEL, KP, ALL fails to delete ANY nodal body forces.

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

Rev. 5.0                                Rev. 5.2
Component Products Rev. 5.0A            Component Products Rev.
5.2

SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:

For error 1.   Be aware that body forces applied to nodes can be
deleted
               by BFKDEL.

For error 2.   Use BFKDEL,KP,TEMP (or other specific body force
label)
               rather than BFKDEL,KP,ALL.

COMMENTS:

AUTHOR/CORRECTOR:                            DATE: 5/9/95
                    Anton V. Mobley

REVIEWED BY QA:                              DATE: 5/9/95
                    Prashant Ambe

APPROVAL:                                    DATE: 5/9/95
                    John A. Swanson

*_/  If a product name i 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.

                                                  FORM SASI-QA25
                                                  DEC 19, 1988

            ANSYS (Registered Trademark) CLASS3 ERROR REPORT

                                                       ERROR NO:
95-29

KEYWORDS:      ASUM      GSUM      KSUM       VSUM

DESCRIPTION OF ERROR:

     The command descriptions for the ASUM, GSUM, KSUM, and VSUM
commands
(ANSYS User's Manual, Volume II - Commands) erroneously state
that the
geometry statistics generated by these commands are reported in
the
active coordinate system.  The results of these commands are
actually
reported in the global Cartesian coordinate system.

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

Rev. 5.0 Commands Manual                Rev. 5.2 Commands Manual
Component Products Rev. 5.0A -          Component Products rev.
5.2 -
 Commands Manual                         Commands Manual

SUGGESTED USER ACTION FOR RUNNING ON UNCORRECTED VERSION:

COMMENTS:

AUTHOR/CORRECTOR:                       DATE: 5/9/95
                    Joann L. Bryan

REVIEWED BY QA:                         DATE: 5/9/95
                    Prashant Ambe

APPROVAL:                               DATE: 5/9/95
                    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.

                                                  FORM SASI-QA25
                                                  DEC 19, 1988

*** END OF DOCUMENT ***

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