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Opera Simulation Software is a Finite Element Analysis software suite which allows users to perform simulations of electromagnetic (EM) and electromechanical systems in 2 and 3 dimensions. Opera complements the existing SIMULIA EM portfolio with its strength in low frequency simulation, which is extremely useful for the design of magnets, electric motors and other electrical machines.
Opera includes dedicated 2D and 3D pre- and post-processing environments for problem definition and results analysis. The Graphical User Interface (GUI) gives access to features that have been specifically tailored for electromagnetics and multi-physics design. Regularly performed actions can be programmed into parameterized macro-files.
The flexibility of Opera in adapting to user requirements has seen it being used successfully for a wide range of applications in different industries. The accuracy Opera provides is of paramount importance when looking at field homogeneities of parts-per-million in medical devices or particle accelerators. Advanced material modeling and solution procedures enable detailed studies of devices containing permanent magnets or superconducting coils. And application-specific front-ends help guide the users through the complex task of simulating and optimizing high-efficiency high-performance motors, generators and transformers.
The Opera Statics Module computes magnetostatic and electrostatic fields or DC current flow in two or three dimensions. It can be used, for example, in the simulation of x-ray devices, power transmission systems and scientific apparatus, as well as accelerator magnets, MRI systems, shielding and electrical machines.
The Dynamic Electromagnetic Module (Dynamic Module) calculates time varying electromagnetic fields and eddy current flow in EM devices and systems, and computes time varying fields and eddy currents in three dimensions.
Opera-3d offers a high-frequency analysis module, which solves the full wave equation including displacement currents for devices comparable in size to the wavelength at its operating frequency.
The Charged Particle Module calculates the interaction of charged particles in electrostatic and magnetostatic fields. It includes the effects of space-charge, self-magnetic fields and relativistic motion.
Thermal Analysis can calculate temperature, heat-flux, and thermal-gradient fields, especially useful for transducers, induction heating, and the cool down of superconducting magnets.
The Opera Stress module can solve static stresses in 2 or 3 dimensions. Results include deformations, strains and stresses, and applications include electromagnetic brakes, actuators, transformers and shields.
The Electromagnetic Motional Module computes time varying fields and eddy currents in devices with rotating or linear movement. Parts of the geometry, and hence the finite element mesh, are allowed to move independently at speeds controlled by the user or calculated as the analysis proceeds. The analysis is a transient analysis, with eddy currents being induced in conducting media both through the effects of the moving magnetic fields, and through the time variation of the model sources. This module has been designed to include dynamic modelling of all types of electrical machines.
The quench module uses advanced FEA techniques to model the highly non-linear transient behavior of a magnet during a superconducting quench. Using an algorithm which couples the electromagnetic solution to the thermal and circuit solutions (to determine the currents in the coils), the full quenching process can be analyzed.
For more detailed information visit www.operafea.com