General formulation for magnetic forces in linear materials and permanent magnets

RS Grandia, VA Galindo, AU Galve… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
A previous work described how a magneto-mechanical tensor can be obtained from the
application of the virtual work principle to the energy density or co-energy density in any …

Magnetostatic Maxwell's tensors in magnetic media applying virtual works method from either energy or co-energy

R Sanchez-Grandia, R Vives-Fos… - The European Physical …, 2006 - cambridge.org
Magnetostatic forces computation can be done numerically through Finite Element Analysis
by applying the virtual works method on either the energy or the co-energy. They can also …

Towards accurate and consistent force calculation in finite element based computational magnetostatics

S McFee, D Lowther - IEEE Transactions on Magnetics, 1987 - ieeexplore.ieee.org
Force calculations based on numerical field solutions represent an important step in the
design of many electro-magneto-mechanical devices. Ensuring that the calculated forces …

Analytic and experimental analysis of magnetic force equations

S Gama, LDR Ferreira, CVX Bessa… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
The design of magnetic devices requires a precise estimation of magnetic forces. In previous
works, we presented a general approach to estimate these forces based upon …

Bulk forces and interface forces in assemblies of magnetized pieces of matter

A Bossavit - IEEE Transactions on Magnetics, 2015 - ieeexplore.ieee.org
When two magnets are stuck together, where do magnetic forces operate and which
formulas should one apply to compute them? Such frequently asked questions do not find …

Extended formulas to compute resultant and contact electromagnetic force and torque from Maxwell stress tensors

A Bermúdez, AL Rodríguez… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Force density calculus in permanent magnets and other nonlinear magnetic media is still a
challenge despite two hundred years of electromagnetic theory. While generally accepted …

[HTML][HTML] Computation of electromagnetic force densities: Maxwell stress tensor vs. virtual work principle

F Henrotte, K Hameyer - Journal of Computational and Applied …, 2004 - Elsevier
A couple of fundamental formulae are demonstrated in this paper, which allow a systematic
algebraic derivation of local electromagnetic forces in any material, starting from the …

About the distribution of forces in permanent magnets

LH De Medeiros, G Reyne… - IEEE Transactions on …, 1999 - ieeexplore.ieee.org
Different methods can be proposed to determine the global force on magnets (equivalent
models, Maxwell stress tensor, virtual work principle, etc.). The same value is obtained …

Local electromagnetic force computation in the presence of numerical field errors

M Li, DA Lowther - IEEE Transactions on Magnetics, 2009 - ieeexplore.ieee.org
Several approaches exist for the evaluation of force distributions in electromagnetic devices.
The local virtual work based stresses derived from the application of continuum design …

On forces in magnetized matter

A Bossavit - IEEE transactions on magnetics, 2014 - ieeexplore.ieee.org
In magnetoelastic interactions, the virtual power principle is powerful enough to solve all
force problems, but only if the coupled constitutive laws are completely known. We use it to …