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Loudspeakers
Optimization - Minimizing Loudspeaker Mass
This example demonstrates the use of OptiNet with MagNet for the optimization of a loudspeaker design based on its electromagnetic characteristics. MagNet is used to compute the electromagnetic fields, and OptiNet is used to find the optimum design as specified by the user's requirements. The loudspeaker model shown here is made of two iron pieces and a permanent magnet. The permanent magnet drives the flux through the iron and the air gap.
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Analyzing a loudspeaker’s voice coil response to a signal
In this example, we have analyzed the voice coil response to a signal by using the 2D Transient with motion solver. The solver includes coupling to the mechanical equations of motion, so that the movement of a component of a device (for example, the movement of the voice coil) is accurately simulated. The mechanical effects can include friction, inertia, mass, springs, gravitation, etc
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Analyzing the magnetostatic properties of a 2D axisymmetric loudspeaker design
A basic analysis of a loudspeaker design consists of analyzing the magnetostatic properties of a 2D axisymetric design. In certain cases, 2D analysis is insufficient because of symmetry breaking features, for example, segmented magnets. In this case, a 3D model is needed. The same analyses can be performed in 3D as with the 2D analysis package
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