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EM Workbench icon

Introduzione

The EM (ElectroMagnetic) Workbench provides the CAD front-end interface to some open source free solvers. At present it supports the 3D magnetoquasistatic impedance solver FastHenry (i.e. inductance and resistance extraction at "low" frequencies). Support for the 3D electrostatic capacitance solver FasterCap is ongoing.

Installazione

EM è un ambiente esterno, che può essere installato da Addon Manager. Questo può essere fatto tramite il menu Strumenti → Addon Manager.

I risolutori elettromagnetici FastHenry2 e FasterCap devono essere installati separatamente. I loro codici binari e i sorgenti sono liberamente disponibili in FastFieldSolvers.

Utilizzo

FastHenry

FastHenry is a software for computing the frequency-dependant self and mutual inductances and resistances of a generic tridimensional conductive structure, in the magnetoquasistatic approximation. It can also generate Spice-compatible, multiple-frequency equivalent-circuit models.

Knowledge of FastHenry is a pre-condition for the proficient usage of the ElectroMagnetic Workbench for FastHenry. We suggest you to read the original FastHenry User's manual and play a bit with the sample files that are provided with the installation.

FasterCap

FasterCap is a powerful three- and two-dimensional capacitance extraction program.

Knowledge of FasterCap is a pre-condition for the proficient usage of the ElectroMagnetic Workbench for FasterCap. We suggest you to read the original FasterCap help file and play a bit with the sample files that are provided with the installation.

Strumenti di FastHenry

Questi sono gli strumenti utilizzati per interfacciarsi con FastHenry:

  • FHNode: Crea un oggetto FastHenry Node
  • FHSegment: Crea un oggetto FastHenry Segment
  • FHPath: Crea un oggetto FastHenry Path
  • FHPlane: Crea un oggetto FastHenry uniform conductive Plane
  • FHPlaneHole: Crea un oggetto FastHenry uniform conductive plane Hole
  • FHPlaneAddRemoveNodeHole: Aggiunge o Rimuove un Node o un Hole da/a un piano conduttivo
  • FHEquiv: Crea un oggetto FastHenry node Equivalence
  • FHPort: Crea un oggetto FastHenry Port
  • FHSolver: Crea un oggetto FastHenry Solver
  • FHInputFIle: Crea un file FastHenry Input

Strumenti di FasterCap

At present, FasterCap is supported via some Macros in the Export_mesh.py file available in the ElectroMagnetic Workbench GitHub source code.

API

The EM tools can be used in macros and from the Python console by using the EM API.

Tutorial

Per le versioni beta di EM Workbench sono disponibili alcune esercitazioni video :

  • FreeCAD ElectroMagnetic Workbench tutorial - Getting started
  • FreeCAD ElectroMagnetic WorkBench tutorial: create a conductive plane, part 1
  • FreeCAD ElectroMagnetic WorkBench tutorial: create a conductive plane, part 2
  • FreeCAD ElectroMagnetic WorkBench tutorial: create a conductive plane, part 3
  • FreeCAD ElectroMagnetic WorkBench tutorial: using the path object, part 1
  • FreeCAD ElectroMagnetic WorkBench tutorial: using the path object, part 2


Questa pagina è recuperata da https://wiki.freecad.org/EM_Workbench

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