FINEMotor PRO 2025:
New FEA Optimizer for Loudspeaker Motor Design

FINEMotor PRO 2025 introduces an advanced FEA Optimizer for automatic loudspeaker motor geometry optimisation, alongside enhanced finite element calculations of voice coil inductance.

The new features extend FINEMotor Pro’s motor design capabilities, allowing engineers to automatically optimise key motor dimensions and investigate the inductance characteristics of optimised designs, including the effects of shorting rings.

Automatic loudspeaker motor optimisation using FEA

The new FEA Optimizer in FINEMotor PRO 2025 automates the optimisation of key loudspeaker motor design parameters, helping engineers investigate motor geometries and identify suitable configurations.

The optimiser includes automatic optimisation of:

Pole extension

Pole undercut

Pole undercut diameter.

These capabilities allow engineers to optimise critical motor dimensions using finite element analysis (FEA), reducing the need for manual adjustments during motor development.

Automatic optimisation of neodymium motors

FINEMotor Pro 2025 also introduces automatic optimisation of key dimensions in neodymium loudspeaker motors.

The new optimisation capabilities include:

Cup undercut diameter

Cup extension

Top neodymium magnet diameter and thickness.

These features extend the FEA Optimizer to important geometric parameters in neodymium motor configurations, giving engineers additional control over motor design and optimisation.

FEA calculation of voice coil inductance

The 2025 update also extends FINEMotor PRO‘s finite element analysis capabilities for voice coil inductance.

The software now supports FEA calculation of Le(x) in optimised motor designs incorporating shorting rings.

It also provides FEA calculations of Le(x) with shorting rings at different frequencies, enabling engineers to investigate inductance characteristics across operating conditions.

Advanced FEA Motor Design and Optimisation

By combining automatic geometry optimisation with enhanced inductance calculations, FINEMotor Pro 2025 extends the tools available to loudspeaker engineers developing and refining motor designs.

The new features bring together automated optimisation of conventional and neodymium motor geometries with detailed FEA analysis of inductance, including the effects of shorting rings.