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EMS comes also with an integrated linear static structural solver. EMS allows users to couple Electromagnetics with linear static stress. Electromagnetic phenomenon can apply forces to different parts then the structural coupling calculates the stress, the strain and the displacement due to these forces.

Deformation and thermal stress can also be computed and visualized through the Structural/Thermal coupling. Deformation can be caused by electromagnetic forces and temperature rise resulting from Joule heating, eddy current and core loss. All coupling is carried out in the same analysis study and on one same original model geometry and mesh. No export/import of data is required for the coupling. Non-electromagnetic loads and conditions can also be added to the coupling analysis in the form of mechanical force, moment, pressure, gravity, temperature, spring, tie constraint and rigid constraint.

The coupling to structural is used in evaluating the mechanical deformation caused by temperature and/or electromagnetic forces. It has many practical applications such as:

- MEMS
- Wire bonding
- Induction heating
- High voltage cables
- Busbars
- Permanent magnet halbach array
- DC linear actuators
- CoilsÂ

After running a study with the structural solution option, the following structural quantities can be visualized:

Uy : Displacement in y direction

Uz : Displacement in z direction

Ur : The resultant displacement

SXX : Normal stress in the X direction

SYY : Normal stress in the Y direction

SZZ : Normal stress in the Z direction

SXY : Shear stress in the Y in the YZ plane

SYZ : Shear stress in the Z in the XZ plane

SZX : Shear stress in the Z in the YZ plane

PS1 : First principal stress

PS2 : Second principal stress

PS3 : Third principal stress

Stress intensity (P1-P3)

EXX : Normal strain in the X direction

EYY : Normal strain in the Y direction

EZZ : Normal strain in the Z direction

EXY : Shear strainÂ in the Y in the YZ plane

EYZ : Shear strain in the Z in the XZ plane

EZX : Shear strain in the Z in the YZ plane

PE1 : First principal strain

PE2 : Second principal strain

PE3 : Third principal strain

Tresca

RFY : Reaction Force in the Y direction

RFZ : Reaction Force in the Z direction

Maximum shear stress Failure Criterion

Maximum Normal Stress Failure Criterion

Mohr Coulomb Failure Criterion

The coupling to structural helps to study and solve many devices such as:

- Analyze the thermal stress in MEMS applications
- Evaluate the deformation caused by electric force in a micro actuator.
- Predict the stress caused by magnetic force in permanent magnet array.
- Study the failure caused by stress in different types of material
- Compute the deformation in coils due to the Lorentz force