OOFELIE PiezoElectric - SAMTECH - #1

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PIEZOELECTRIC EFFECT The direct piezoelectric effect consists in the ability of certain materials to generate an electrical potential in proportion to an externally applied force. The inverse piezoelectric effect refers to the reciprocal effect by which the application of an electric field induces a deformation of the piezoelectric material. These dual effects, which can be used simultaneously, are increasingly being used today in the application of piezoelectric materials. ANALYSES Oofelie::PiezoElectric allows specific analyses for systems including piezoelectric materials. This product offer the five classical analysis and for each of them, a strongly coupled approach is used: • The static analysis permits to compute the coupled static response of the system. It can be linear or non-linear. • The extraction of strongly coupled eigenmodes can be performed using linear modal analysis with block Lanczos algorithm. • The forced response of the coupled system in the frequency domain is performed with the linear harmonic analysis. Direct resolution and efficient modal superposition methods are available. • It is also possible to compute the transient response of the coupled system submitted to time excitations with the transient analysis (linear and non-linear HHT algorithm). • Finally, the super element generation (SEM) analysis enables the creation of reduced piezoelectric models. Those super elements can then be used in other analyses, for instance with standard FEM elements. MODELING ENVIRONMENT Oofelie::PiezoElectric is driven by a user-friendly integrated graphical user interface, SAMCEF Field, for the modeling, the analysis and the post-processing of piezoelectric systems. SAMCEF Field, a complete and interactive user environment providing all the tools necessary to design, simulate and analyze a range of configurations, has been tailored to approach efficiently the field of piezo-electricity. Its visual and hierarchically arranged layout will guide you through all the steps of model preparation, resolution procedure and analysis. A CAD modeler, as well as import capabilities from other leading CAD providers, is integrated for modeling and data preparation. As data are directly defined on the geometry, users can easily switch system components modeling level from one behavior to another. Parameterized data entry is easily done using contextual pull-down menus and pop up boxes using a wide selection of preprogrammed functions for the definition of time and frequency varying properties and boundary conditions. As soon as the analysis is completed, the results are easily accessible from a simple click in the navigator. Results may be displayed in different forms over the whole model or through user’s defined cross-sections to study detailed behavior. In addition to all the state-of-the-art standard graphic outputs (i.e. X-Y plots, isovalues, animations, etc.), results may also be inserted in tabular forms in the analysis report. SAMCEF Field is common to all the solutions provided by Open Engineering, allowing other analyses to be performed on the same model as for piezoelectric simulations. PLATFORMS Oofelie::PiezoElectric, driven by SAMCEF Field, is available on Windows and Linux platforms. Oofelie::PiezoElectric, driven by SAMCEF Field, provides engineers and analysts with unique capabilities to analyze piezoelectric systems, such as sensors and actuators, ultrasonic motors and accelerometers. With Oofelie::PiezoElectric, driven by SAMCEF Field, you are getting at the core of the physics in one conveniently integrated simulation package. Oofelie::PiezoElectric is a Virtual Prototyping tool for the analysis and design of piezoelectric systems. Through the use of its modeling capabilities, it becomes possible to start simulating the performance of such systems even before a single physical prototype is built. Design changes can be evaluated faster and in a more affordable manner, reducing the number of actual prototypes needed to achieve a required design maturity, thus accelerating significantly product development. Thanks to such a tool, the engineers acquire a capability to isolate and analyze the effect of each parameter. With such insight available at their fingertips, information can be quickly gained to correct or improve previous designs efficiently, knowing which are the influent factors. Reduced design time, improved quality and reduced costs are some of the benefits one can now obtain from using OOFELIE PiezoElectric. Oofelie::PiezoElectric Oofelie Multiphysics 2010 Ultrasonic engine