Main >> Applications >> Sample problems

Here is the full list of examples published on our website.

**Biased relay force***QuickField Support team*

Biased relay operates on the compensation of the magnetic pull of the permanent magnet by the opposing magnetic field of the current in the coil. Determine the pulling force vs. time dependency after switching the relay on.*polarized relay force*

**Model class**: Axisymmetric**Analysis type**: DC magnetics,Transient magnetics,Multiphysics**Application**: electrical engineering**Double wound solenoid***QuickField Support team*

DC voltage is applied to the double wound coil. Calculate the inductance, resistance and steady-state temperature.*coil transient current,double layered coil,dual wound coil*

**Model class**: Axisymmetric**Analysis type**: Transient magnetics,Steady-state Heat Transfer,Multiphysics**Application**: electrical engineering**Water heater control system simulation in LabVIEW***QuickField Support team*

Water heater control system simulation in LabVIEW and QuickField*labview thermostat simulation,multiphysics analysis*

**Model class**: Axisymmetric**Analysis type**: Transient Heat Transfer,Multiphysics**Application**: thermal engineering**Coil with triangle wave current***QuickField Support team*

Calculation of the switching current for the coil. This is an example problem analysis performed with QuickField software*coil transient current,solenoid switching on,transient current in solenoid*

**Model class**: Axisymmetric**Analysis type**: Transient magnetics,Multiphysics**Application**: electrical engineering**Heating and cooling of a slot of an electric machine***QuickField Support team*

Calculation of the temperature vs. time dependence at the bottom of the slot*electric machine heating,electric machine cooling,slot transient temperature,multiphysics analysis*

**Model class**: Plane-parallel**Analysis type**: Transient Heat Transfer,Multiphysics**Application**: electrical engineering**Solenoid under current load***QuickField Support team*

Stress distribution calculation for coupled magneto-structural problem*finite element analysis of the mechanical stress in solenoid,magnetic forces in the solenoid,multiphysics analysis*

**Model class**: Axisymmetric**Analysis type**: DC magnetics,Stress Analysis,Multiphysics**Application**: mechanical engineering**PCB ground plane heating***Mr. Nils Forsstrom Permobil AB*

The voltage is applied to the sides of conducting sheet (PCB) placed vertically and surrounded by the still air. The flowing current heats the sheet due to resistive losses. The front and back surfaces of the sheet are cooled by the air (natural convection).*pcb heating,printed circuit board temperature,multiphysics analysis*

**Model class**: Plane-parallel**Analysis type**: DC conduction,Steady-state Heat Transfer,Multiphysics**Application**: electrical engineering**Inductor inrush current stress***QuickField Support team*

Calculate peak current value and mechanical stress in the inductor winding*ferromagnetic core solenoid transient current,inductor surge current,inductance input surge current,coil switch-on surge,multiphysics analysis*

**Model class**: Axisymmetric**Analysis type**: Transient magnetics,Stress Analysis,Multiphysics**Application**: electrical engineering**Inductively Heated Ceramic***Jivan Kapoor, Didier Werke AG*

Calculation of the impedances and spatial heat source distribution in the inductively heated ceramic*ceramic induction heating,multiphysics analysis*

**Model class**: Axisymmetric**Analysis type**: AC magnetics,Transient Heat Transfer,Multiphysics**Application**: electrical engineering**High voltage three phase cable ampacity***QuickField Support team*

High voltage 3-phase cable laid in trefoil formation underground. Determine the losses and temperature distribution.*underground cable ampacity IEC 60287,multiphysics analysis*

**Model class**: Plane-parallel**Analysis type**: AC magnetics,Steady-state Heat Transfer,Multiphysics**Application**: electrical engineering**High frequency line trap***QuickField Support team*

An example of the calculation of the forces and mechanical stresses for the high-frequency line trap at the short circuit current.*air core coil,wave trap,transmission line filter,multiphysics analysis*

**Model class**: Axisymmetric**Analysis type**: AC magnetics,Stress Analysis,Multiphysics**Application**: electrical engineering**Electromagnetic plunger***QuickField Support team*

Electromagnetic plunger works on AC current and consists of the coil with moveable core. Core position is controlled by the external spring.*solenoid actuator,multiphysics analysis*

**Model class**: Axisymmetric**Analysis type**: AC magnetics,Stress Analysis,Multiphysics**Application**: electrical engineering