================================================================================

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   ----------

                                    FORM 8-K

                                 CURRENT REPORT

                     PURSUANT TO SECTION 13 OR 16(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

       Date of Report (Date of Earliest Event Reported): November 16, 2006

                                   ----------

                                   ANSYS, INC.
             (Exact Name of Registrant as Specified in its Charter)

             Delaware                      0-20853               04-3219960
  (State or Other Jurisdiction of       (Commission           (I.R.S. Employer
  Incorporation or Organization)        File Number)         Identification No.)

        275 Technology Drive, Canonsburg, PA                      16317
      (Address of Principal Executive Offices)                  (Zip Code)

       (Registrant's Telephone Number, Including Area Code) (724) 746-3304

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

[ ]  Written communications pursuant to Rule 425 under the Securities
     Act (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange
     Act (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

================================================================================

ITEM 8.01 OTHER EVENTS. On November 16, 2006, ANSYS, Inc. ("Company") issued a press release announcing that affiliates of Willis Stein & Partners have agreed to sell 3,350,356 shares of ANSYS common stock in an offering underwritten by Goldman, Sachs & Co. The shares to be sold in this transaction represent approximately 8.7% of ANSYS' currently outstanding shares of common stock and were originally acquired by Willis Stein in connection with the Company's acquisition of Fluent Inc. in May 2006. The Company's press release is attached as Exhibit 99.1 and is incorporated in this report by reference. ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS (d) Exhibits EXHIBIT NUMBER DESCRIPTION ------- ------------------------------------------------------- 99.1 Press Release of the Registrant dated November 16, 2006

SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized. ANSYS, INC. Date: November 16, 2006 By: /s/ SHEILA S. DINARDO ----------------------------- SHEILA S. DINARDO Vice President, General Counsel and Secretary

INDEX TO EXHIBITS EXHIBIT NUMBER DESCRIPTION OF EXHIBIT - ------- ------------------------------------------------------- 99.1 Press Release of the Registrant dated November 16, 2006

                                                                    Exhibit 99.1

            ANSYS, INC. ANNOUNCES SECONDARY OFFERING OF COMMON STOCK

    SOUTHPOINTE, Pa., Nov. 16 /PRNewswire-FirstCall/ -- ANSYS, Inc.
(Nasdaq: ANSS), a global innovator of simulation software and technologies
designed to optimize product development processes, today announced that
affiliates of Willis Stein & Partners have agreed to sell 3,350,356 shares of
ANSYS common stock in an offering underwritten by Goldman, Sachs & Co.  The
shares to be sold in this transaction represent approximately 8.7% of ANSYS'
currently outstanding shares of common stock and were originally acquired by
Willis Stein in connection with the Company's acquisition of Fluent Inc. in
May 2006.

    The shares will be offered pursuant to the shelf registration statement
that ANSYS filed and that became effective with the Securities and Exchange
Commission on August 4, 2006.  ANSYS will not receive any proceeds from this
transaction.

    Copies of the final prospectus supplement related to the offering, when
available, may be obtained from the offices of Goldman, Sachs & Co.,
Attention: Prospectus Department, 85 Broad Street, New York, New York 10004,
Fax:  (212) 902-9316 or e-mail at prospectus - ny@ny.email.gs.com.

    This press release shall not constitute an offer to sell or the
solicitation of an offer to buy nor shall there be any sale of these
securities in any state or other jurisdiction in which such offer,
solicitation or sale would be unlawful prior to registration or qualification
of these securities under the securities laws of any such state or other
jurisdiction.

    About ANSYS, Inc.

    ANSYS, Inc., founded in 1970, develops and globally markets engineering
simulation software and technologies widely used by engineers and designers
across a broad spectrum of industries. The Company focuses on the development
of open and flexible solutions that enable users to analyze designs directly
on the desktop, providing a common platform for fast, efficient and cost-
conscious product development, from design concept to final-stage testing and
validation. The Company and its global network of channel partners provide
sales, support and training for customers. Headquartered in Canonsburg,
Pennsylvania, U.S.A., with more than 40 strategic sales locations throughout
the world, ANSYS, Inc. and its subsidiaries employ approximately 1,400 people
and distribute ANSYS products through a network of channel partners in over 40
countries.

     ANSYS, ANSYS Workbench, CFX, AUTODYN, FLUENT and any and all ANSYS, Inc.
product and service names are registered trademarks or trademarks of ANSYS,
Inc. or its subsidiaries located in the United States or other countries. ICEM
CFD is a trademark licensed by ANSYS, Inc. All other trademarks or registered
trademarks are the property of their respective owners.

SOURCE  ANSYS, Inc.
    -0-                             11/16/2006
    /CONTACT:  Investors, Lisa O'Connor, +1-724-514-1782, or
lisa.oconnor@ansys.com, or Media, Kelly Wall, +1-724-514-3076, or
kelly.wall@ansys.com, both of ANSYS, Inc./
    /Web site:  http://www.ansys.com/