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Reduced Order Modeling ROM Tutorial ROM Tutorial This tutorial aims at briefly explaining how to use the R.O.M. (Reduced Order Modeling) tool. Finite element models may involve a large number of degrees of freedom so that full simulation, especially in case of transient analyses, can be prohibitively expensive. The aim of the R.O.M. tool is to make model simplifications or limit the available results in order to obtain accurate, but fast solution during simulations. The following parts indicate how to perform a reduction with two different examples: condensation of an accelerometer model and reduction of an electrostatic-structural coupled system. Condensation: Reduction with Single DOF & Load Cases Before using the R.O.M tool, you first have to provide a finite element model in ANSYS. For the following examples, use an inertial accelerometer model, that consists of a structural mass supported by four thin beams clamped at their extremities, as shown in Figure 39. MEMS Pro User Guide Contents Index 370
