Dynamic Design Solutions has completed the FEMtools 3.7 release with a version for Mac OS X. The installation package is available from September 17, 2013.
FEMtools 3.7 for Mac OS X requires Mac OS X 10.7+ on Intel 64-bit architecture. Information on system requirements can be found here. The release includes all new features and changes that were previously introduced with the version for Windows and Linux OS. The FEMtools GUI is identical on all supported OS.
At the same time, DDS released a new maintenance build of FEMtools 3.7 for Windows and Linux, and a patch installation package that upgrades the previously released version to the latest version.
More information on these releases and how to download the installation packs is in the FEMtools Support site. A login name and password is required to access the support pages. If you have a current Maintenance and Support contract and did not yet receive a login name and password, then register at http://www.femtools.com/support.htm or send a request to email@example.com.
Registrations are now accepted for the technology course on Verification, Validation and Model Updating that will take place on March 26-28, 2014 in Leuven, Belgium. All presentations will be in English.
This course is intended for anyone that is interested in learning the state-of-the-art in finite element model validation and updating. FEMtools will be used for hands-on exercises during approximately half of the time and is therefore also a good opportunity for new customers and evaluators to get started with the program.
For more information and registration click here.
Dynamic Design Solutions announces the release of FEMtools 3.7. The new version is available for download from September 2.
FEMtools 3.7 is a major revision of the FEMtools software suite that introduces new dynamic analysis and substructuring features (dynamic compensation, modal-based assembly), as well as improvements to FRF-based assembly, pretest analysis, correlation analysis and model updating. There are also various improvements and extensions to the interface programs, commands and API functions.
The highlights of this new release are summarized hereafter:
FEMtools 3.7 is available on Windows and Linux as a free upgrade for all customers with current maintenance and technical support contract. Availability of the version for Mac OS X will follow at a later time and will be announced at this location.
More information on this release and how to download the installation packs is in the FEMtools Support site. A login name and password is required to access the support pages. If you have a current Maintenance and Support contract and did not yet receive a login name and password, then register at http://www.femtools.com/support.htm or send a request to firstname.lastname@example.org.
Time-locked license files (annual) for FEMtools 3.4-3.6 remain valid for v3.7.
Dynamic Design Solutions announces the release of FEMtools 3.6.1.
FEMtools 3.6.1 is a maintenance release that provides fixes to issues reported after the previous release and provides various improvements and corrections to the interface programs, GUI, commands and API functions.
for ANSYS 14.5 interface files has been added.
Dynamic Design Solutions has joined the MSC Software Technology Partner program as a Software Community Partner. By joining, DDS gains access to the marketing and sales resources of MSC Software and ensures access to the software licenses that are necessary for continuous interface development as well as training. The key benefit to MSC is that DDS provide leading-edge technologies which complement MSC's product portfolio. DDS develops and markets the FEMtools software that provides a critical link between experimental analysis and NVH simulation with MSC Nastran and Marc.
For more information on MSC Software Technology Partners, click here.
Dynamic Design Solutions is going to attend the 25th International Conference on Noise and Vibration Engineering (ISMA 2012) that will be held from September 17-19 in Leuven, Belgium. Come and visit us at booth #12 in the exhibit area to see the new features in FEMtools 3.6.
For more information on the conference, see http://www.isma-isaac.be
Dynamic Design Solutions announces the release of FEMtools 3.6.
This major revision of the FEMtools software suite introduces new dynamic analysis tools (Padé approximants, FRF-based assembly, and time domain simulation), and extends the pretest analysis tools. The Modal Parameter Extractor add-on tool has been upgraded with a new interactive applet.
Some of the highlights of this release are:
For a complete list of changes, see the FEMtools 3.6 Release Notes which can be consulted in the FEMtools Customer Support portal.
FEMtools 3.6 is available immediately on all platforms (Windows, Linux, Mac OS) as a free upgrade for all customers with current maintenance and technical support contract. The software can be downloaded from the Download Area of the FEMtools Customer Support portal. Access to the FEMtools Customer Support requires a user name and password.
Time-locked license files (annual) for FEMtools 3.4.x and 3.5.x remain valid for v3.6.
March 2012 - FEMtools 3.5.3 Maintenance Release
Dynamic Design Solutions announces the release of FEMtools 3.5.3.
FEMtools 3.5.3 is a maintenance release that provides fixes to issues reported after the previous release and provides various improvements and corrections to the interface programs, GUI, commands and API functions. Support for ANSYS 14 interface files has been added.
Customers with current support and maintenance can find more information on this release and how to download the installation packs in the FEMtools Support site. A login name and password is required to access the support pages. If you have a current Maintenance and Support contract and did not yet receive a login name and password, then register at http://www.femtools.com/support.htm or send a request to email@example.com
The number of aircraft and aerospace companies that have joined the ranks of FEMtools users has steadily increased during the past years. They include major aircraft and engine manufacturers as well as component suppliers and research centers. FEMtools is used for FE postprocessing, dynamic simulation, model validation, model updating and structural optimization. Reference data comes from modal testing and ground vibration tests or classic strain gauge testing.
Dutch Space is the largest aerospace company of the Netherlands. They are a well-recognized supplier to the international aerospace industry. Dutch Space started in 1968 and now employs a staff of about 210 researchers and engineers. Main activities are related to solar panels, launch systems, verification and simulation, descent and landing, and instruments. From July 2008 Dutch Space is a wholly-owned subsidiary of EADS Astrium. FEMtools is used for finite element model validation and updating of Ariane launcher frames using test data from strain gauges and accelerometers.
Other global aeronautical companies that actively use FEMtools are Airbus, Avio, Boeing, EADS Cassidian, Goodrich Aerospace, Honeywell Aerospace, ITT Exelis, Jet Propulsion Laboratories, Korean Aerospace Research Institute, MTU, National Aerospace Laboratory (Netherlands), Northrop, and Rolls-Royce.
Damage has a direct impact on the modal parameters of structures. However, finding the location and severity of the damage from the modal parameters is a challenging task. This is because damage identification problems are in general highly undetermined, i.e. the number of potential damage locations is much higher than the size of the experimental data set.
In a recent paper written by DDS engineers, a damage scenario-based framework was presented that tries to overcome this problem by both increasing the size of the experimental data set and reducing the number of investigated damage locations. Using a carefully validated FE model of the undamaged structure the effects of a number of damage scenarios are simulated. Eventually, the identification routine detects the ?fingerprints? of the damage scenarios in the frequency pattern of the damaged structure.
The scenario-based damage identification framework has been evaluated and showed promising results. It appears to be possible to decompose the measured frequency pattern into the signatures of a series of pre-defined damage scenarios. The scenario-based approach seems to be capable of not only identifying the location of the damage but also the degree of damage.
The complete paper can be downloaded from the following location:
T. Lauwagie, E. Dascotte, A Scenario-based Damage Identification
Framework. Presented at the 30th International Modal Analysis
Conference (IMAC), February 2012, Jacksonville, Florida, USA.
For more information, contact firstname.lastname@example.org
For more technical papers, click here.
Dynamic Design Solutions is going to attend the 30th International Modal Analysis Conference (IMAC XXX) on January 30 to February 2, 2012 in Jacksonville, FL, USA. Come and visit us at booth #400 in the exhibit area to see the new features in FEMtools that we are planning for release. For more information about this event: www.sem.org
Dr. Tom Lauwagie, FEMtools lead application developer, will present the following conference paper: "A Scenario-based Damage Identification Framework" on Thursday February 2, at 10:00 AM.
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