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Solenoid under current load

finite element analysis of the mechanical stress in solenoid, magnetic forces in the solenoid, multiphysics analysis

This is an example of the solenoid under current load simulation, performed with QuickField software.

Problem Type
Axisymmetric multiphysics problem of DC magnetics coupled to Stress analysis.

Geometry

Given
Inner radius R1 = 5 mm;
Outer radius R2 = 10 mm;
Current density j = 4·10⁶ A/m²;
Coil Young modulus E = 1.075·1011 N/m²;
Coil Poisson ratio ν = 0.33.

Task
Calculate the mechanical stress distribution.

Result

Von Mises stress distribution in solenoid under current load:

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