Automatic Mesh Adaptation for Magnetic Pulse Forming Simulations
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Date
2025-08-26
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Abstract
Multiphysics coupling simulation for the electromagnetic modelling of pulse forming
technology comes with several challenges: Large deformations with high strain rates, fast
impact conditions, multiple phenomena with distinctive proper time scales, complex
geometries, etc. In order to accurately represent the electromagnetic phenomena together
with the thermomechanical effects in a reliable manner a key step is the ability to measure
the numerical error intrinsic to the discretization scheme (typically within the finite element
framework) and use of automatic mesh adaptation techniques. In this work, an a posteriori
error estimator-based technique adapted to the electromagnetic phenomena is presented
together with an anisotropic automatic mesh adaptation technique. These methods are
rooted in the understanding of the underlying physical phenomena, bringing as
consequence: ease of the modelling stage as numerical results are less dependent on initial
mesh settings. Accelerated simulation times as computation resources are adapted
automatically to increase accuracy where needed and decrease mesh density otherwise. All
of this in a natively distributed-memory parallel framework which can be scaled for large
problems within the simulation software FORGE.
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Keywords
Metal Forming, Finite element method (FEM)
Subjects based on RSWK
Magnetumformen, Simulation, Finite-Elemente-Methode