Registration No. 333-_____
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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                   ----------

                                    FORM S-8

                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933
                                   ----------

                                   ANSYS, INC.
             (Exact name of registrant as specified in its charter)

               DELAWARE                                      04-3219960
   (State or other jurisdiction of                        (I.R.S. Employer
    incorporation or organization)                       Identification No.)

   275 Technology Drive-Southpointe
       Canonsburg, Pennsylvania                                 15317
(Address of principal executive offices)                      (Zip Code)

                        1996 STOCK OPTION AND GRANT PLAN
                            (Full title of the plan)

                              James E. Cashman III
                      President and Chief Executive Officer
                                   ANSYS, Inc.
                        275 Technology Drive-Southpointe
                         Canonsburg, Pennsylvania 15317
                     (Name and address of agent for service)

                                 (724) 514-3064
          (Telephone number, including area code, of agent for service)


                         CALCULATION OF REGISTRATION FEE
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      Title of                           Proposed maximum     Proposed maximum       Amount of
     securities        Amount to be       offering price          aggregate        registration
 to be registered      registered(1)       per share(2)        offering price          fee
------------------------------- ------------------- ---------------------- ----------------------
Common Stock,        1,000,000 shares        $18.71             $18,710,000         $4,677.50
par value
$.01 per share

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       (1)   This  Registration  Statement  also  relates to such  indeterminate
number of additional  shares of ANSYS,  Inc.  Common Stock as may be required in
the event of a stock dividend, reverse stock split, split-up,  recapitalization,
forfeiture of stock or other similar event

       (2)   Estimated  solely for the purpose of calculating  the  registration
fee pursuant to Rule 457(h).  The fee is  calculated on the basis of the average
of the high and low prices for the Common Stock of ANSYS,  Inc. on September 10,
2001 as reported on the Nasdaq National Market.
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The earlier Registration Statements on Form S-8 filed by ANSYS, Inc. (the "Registrant") with the Securities and Exchange Commission (the "Commission") on July 23, 1996 (File No. 333-08613), pertaining to the Registrant's 1996 Stock Option and Grant Plan and Employee Stock Purchase Plan, and July 17, 1998 (File No. 333-08613), pertaining to the Registrant's 1996 Stock Option and Grant Plan, are hereby incorporated by reference. This incorporation is made pursuant to General Instruction E of Form S-8 regarding the registration of additional securities of the same class as other securities for which there has been filed a Registration Statement on Form S-8 relating to the same employee benefit plan.

PART II INFORMATION REQUIRED IN THE REGISTRATION STATEMENT ITEM 8. EXHIBITS. The following exhibits are filed herewith or incorporated by reference as part of this Registration Statement: EXHIBIT NO. DESCRIPTION ----------- ----------- 5.1 Opinion of David Secunda, Esq., regarding the legality of the securities registered hereunder. 23.1 Consent of PricewaterhouseCoopers LLP. 23.2 Consent of David Secunda, Esq. (included in the Opinion filed as Exhibit 5.1). II-1

SIGNATURES Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Canonsburg, Pennsylvania, on this 12th day of September, 2001. ANSYS, INC. By: /s/ James E. Cashman III --------------------------------- James E. Cashman III President and Chief Executive Officer KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned directors and officers of ANSYS, Inc. hereby constitutes and appoints James E. Cashman III and Maria T. Shields, and each of them, his true and lawful attorneys-in-fact and agents, for him and in his name, place and stead, in any and all capacities, to sign one or more amendments to this Registration Statement on Form S-8 under the Securities Act of 1933, as amended, including post-effective amendments and other related documents, and to file the same with the Securities and Exchange Commission under said Act, hereby granting power and authority to do and perform any and all acts and things requisite and necessary to be done in and about the premises, as fully as to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents may lawfully do or cause to be done by virtue thereof. Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement and the foregoing Power of Attorney have been signed by the following persons in the capacities and on the date(s) indicated: SIGNATURE CAPACITY DATE --------- -------- ---- /s/ James E. Cashman III President and Chief Executive Officer September 12, 2001 ------------------------ (Principal Executive Officer) James E. Cashman III /s/ Maria T. Shields Chief Financial Officer, Vice September 12, 2001 -------------------- President, Finance and Administration Maria T. Shields (Principal Financial Officer and Accounting Officer) /s/ Peter J. Smith Chairman of the Board of Directors September 12, 2001 ------------------ Peter J. Smith /s/ Jacqueline C. Morby Director September 12, 2001 ----------------------- Jacqueline C. Morby /s/ Roger J. Heinen, Jr. Director September 12, 2001 ------------------------ Roger J. Heinen, Jr. /s/ John F. Smith Director September 12, 2001 ----------------- John F. Smith /s/ Patrick J. Zilvitis Director September 12, 2001 ----------------------- Patrick J. Zilvitis September 12, 2001 /s/ Bradford C. Morley Director ---------------------- Bradford C. Morely II-2

EXHIBIT INDEX SEQUENTIAL EXHIBIT NO. DESCRIPTION PAGE NUMBER ----------- ----------- ------------ 5.1 Opinion of David Secunda, Esq., regarding the 6 legality of the securities registered hereunder. 23.1 Consent of PricewaterouseCoopers LLP. 7 23.2 Consent of David Secunda, Esq. (included in 6 the Opinion filed as Exhibit 5.1). II-3

                                                                    Exhibit 5.1



                               September 12, 2001



ANSYS, Inc.
275 Technology Drive - Southpointe
Canonsburg, Pennsylvania  15317

                    Re:  Registration Statement On Form S-8
                         ----------------------------------

Ladies and Gentlemen:

         I am Corporate  Counsel of ANSYS, Inc. (the "Company") and I have acted
as counsel for the Company in connection  with the  preparation  of the Form S-8
Registration  Statement  to be filed by the  Company  with  the  Securities  and
Exchange  Commission for the  registration  under the Securities Act of 1933, as
amended,  of an additional  1,000,000  shares of the Company's common stock, par
value $.01 per share (the  "Shares"),  which are to be offered from time to time
to certain  officers,  employees  and  directors of the Company  pursuant to the
terms of the  Company's  1996  Stock  Option  Plan and Grant,  as  amended  (the
"Plan"),  and which may be sold by such  officers,  employees and directors from
time to time hereafter.

         I have examined the  originals,  certified  copies or copies  otherwise
identified  to my  satisfaction  as being true copies of the Plan and such other
documents  as I have  deemed  necessary  or  appropriate  for  purposes  of this
opinion.

         Based on the  foregoing,  I am of the opinion that the Shares have been
duly and validly  authorized  and reserved for  issuance  and,  when issued upon
exercise  of options  granted  under the Plan and  pursuant  to the terms of the
Plan, will be legally and validly issued, fully paid and nonassessable.

          I hereby  consent to the filing of this  opinion as Exhibit 5.1 to the
Registration Statement.

                                            Very truly yours,

                                            /s/ David Secunda

                                            David Secunda




                                                                   Exhibit 23.1




                       CONSENT OF INDEPENDENT ACCOUNTANTS


We  hereby  consent  to the  incorporation  by  reference  in this  Registration
Statement  on Form S-8 of our report  dated  January  30,  2001  relating to the
financial  statements of ANSYS, Inc., which appears in the 2000 Annual Report to
Shareholders of ANSYS,  Inc., which is incorporated by reference in ANSYS Inc.'s
Annual Report on Form 10-K for the year ended December 31, 2000. We also consent
to the  incorporation by reference of our report dated January 30, 2001 relating
to  the  financial  statement  schedule, which  appears in such Annual Report on
Form 10-K.

/s/ PricewaterhouseCoopers LLP


PricewaterhouseCoopers LLP
Pittsburgh, Pennsylvania
September 12, 2001