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Cedrat has released version 11.2 of its Flux finite-element-method-based software developed in collaboration with G2ELab1. Flux is designed to simulate physical data for electromagnetic and electromechanical phenomena, allowing users to run laboratory experiments and then collect the response data for their ideas.

Flux 11.2 is capable of meshes that can be adapted not only to the geometry but also to the physics. This auto-adaptive mesh option is available in 2D for magnetostatic and electrostatic applications.

This capability takes place during the solving stage, in which the mesh will be refined in an iterative way, starting from an automatic or user-defined mesh. At each iteration of the auto-adaptive solving process, a solution is computed and analysed using an error map.

Key features and benefits

  • Users can take a free-hand drawing, a paper copy of a CAD plan or a picture, generate an image file, load it into the embedded Flux 2D sketcher, create their geometry directly with the image in the background and decide on the scale. Their geometry is then there, ready to be meshed.
  • Flux 11.2 has a new material database manager. A dedicated interface has been developed that comes with a set of data from different manufacturers but also allows users to enter their own material data and manage several databases. Tools are embedded to help users create their B(H) curves and fit them to measured data, using smooth splines, for example. Flux offers the capability of parameterising material characteristics for sensitivity analysis.
  • Connection to CAD tools or system-level simulation software already exists; the expansion towards multi-physics is under way. Depending on the domain (mechanical, vibrations, thermal) and the user’s specific needs, Flux will be coupled to the best 3D simulation solutions, with a dedicated user-friendly and performing workflow each time.
  • In Flux 11.2, a one-way coupling to vibro-acoustics analysis has been set up, with a connection to vibration simulation software: MSC Nastran and LMS Virtual.Lab. It comes with export capabilities and useful dedicated tools to post-process magnetic forces, calculate harmonics and visualise results. It is said to be an ideal tool to analyse and reduce the noise in electric rotating machines.
  • Flux can also now handle anisotropic material modelling in association with the non-linear behaviour of the material.


For over 35 years CEDRAT has been acknowledged as the European leader in simulation technology.

For over 35 years CEDRAT has been acknowledged as the European leader in simulation technology.
CEDRAT offers a full suite of tools for the design, the analysis and optimization of devices and systems for a wide range of electrical and mechatronic engineering applications.
CEDRAT’s flagship product is Flux 2D/3D, a software suite that specializes in electromagnetic and thermal analysis for modeling and optimizing electrical devices such as motors, transformers, actuators and sensors. Flux software is also relevant to equipment that is used in electric-fields studies, or heat-treatment applications.
4 modeling and simulation tools, 11 international partners, 35 years of experience and more than 50 engineers, developers and consultants. CEDRAT S.A. develops and markets leading computer-aided-engineering (CAE) simulation tools. These tools are used by manufacturers to accelerate and manage precise design solutions for devices such as motors, transformers, actuators, and sensors. CEDRAT has developed GOT-It, for device-and-systems optimisation; InCa3D, for conductor impedance and near-field simulation and Portunus, for mechatronic system simulation.

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