Difference between revisions of "EM Workbench"

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== Introduction ==
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== Introduction == <!--T:1-->
  
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The ElectroMagnetic (EM) Workbench provides the CAD front-end interface to some open source free solvers. At present it supports the 3D magnetoquasistatic impedance solver [https://www.fastfieldsolvers.com/software.htm#fasthenry2 FastHenry] (i.e. inductance and resistance extraction at "low" frequencies). Support for the 3D electrostatic capacitance solver [https://www.fastfieldsolvers.com/software.htm#fastercap FasterCap] is ongoing.
 
The ElectroMagnetic (EM) Workbench provides the CAD front-end interface to some open source free solvers. At present it supports the 3D magnetoquasistatic impedance solver [https://www.fastfieldsolvers.com/software.htm#fasthenry2 FastHenry] (i.e. inductance and resistance extraction at "low" frequencies). Support for the 3D electrostatic capacitance solver [https://www.fastfieldsolvers.com/software.htm#fastercap FasterCap] is ongoing.
  
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The EM Workbench is a [[External_workbenches|FreeCAD addon]], that can be installed on demand. It is not part of the standard FreeCAD install.
 
The EM Workbench is a [[External_workbenches|FreeCAD addon]], that can be installed on demand. It is not part of the standard FreeCAD install.
  
 +
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{{TOCright}}
 
{{TOCright}}
 
[[Image:Screenshot_EM_window.png|600px]]
 
[[Image:Screenshot_EM_window.png|600px]]
  
== Installation ==
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== Installation == <!--T:5-->
  
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<!--T:6-->
 
At present, the EM Workbench must be manually installed. See the instructions in the README at the [https://github.com/ediloren/EM-Workbench-for-FreeCAD EM Workbench GihHub page].
 
At present, the EM Workbench must be manually installed. See the instructions in the README at the [https://github.com/ediloren/EM-Workbench-for-FreeCAD EM Workbench GihHub page].
  
 +
<!--T:7-->
 
The electromagnetic solvers FastHenry2 and FasterCap must be installed separately. Their binary codes as well as the sources are freely available from [https://www.fastfieldsolvers.com FastFieldSolvers].
 
The electromagnetic solvers FastHenry2 and FasterCap must be installed separately. Their binary codes as well as the sources are freely available from [https://www.fastfieldsolvers.com FastFieldSolvers].
  
== Usage ==
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== Usage == <!--T:8-->
  
=== FastHenry ===
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=== FastHenry === <!--T:9-->
  
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<!--T:10-->
 
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.
 
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.
  
 +
<!--T:11-->
 
Knowledge of FastHenry is a pre-condition for the proficient usage of the ElectroMagnetic Workbench for FastHenry. We suggest you to read the original [https://www.fastfieldsolvers.com/documentation.htm FastHenry User's manual] and play a bit with the sample files that are provided with the installation.
 
Knowledge of FastHenry is a pre-condition for the proficient usage of the ElectroMagnetic Workbench for FastHenry. We suggest you to read the original [https://www.fastfieldsolvers.com/documentation.htm FastHenry User's manual] and play a bit with the sample files that are provided with the installation.
  
=== FasterCap ===
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=== FasterCap === <!--T:12-->
  
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<!--T:13-->
 
FasterCap is a powerful three- and two-dimensional capacitance extraction program.  
 
FasterCap is a powerful three- and two-dimensional capacitance extraction program.  
  
 +
<!--T:14-->
 
Knowledge of FasterCap is a pre-condition for the proficient usage of the ElectroMagnetic Workbench for FasterCap. We suggest you to read the original [https://www.fastfieldsolvers.com/documentation.htm FasterCap help file] and play a bit with the sample files that are provided with the installation.
 
Knowledge of FasterCap is a pre-condition for the proficient usage of the ElectroMagnetic Workbench for FasterCap. We suggest you to read the original [https://www.fastfieldsolvers.com/documentation.htm FasterCap help file] and play a bit with the sample files that are provided with the installation.
  
== FastHenry Tools ==
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== FastHenry Tools == <!--T:15-->
  
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<!--T:16-->
 
These are tools used to interface with FastHenry:
 
These are tools used to interface with FastHenry:
  
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* [[Image:EM_FHNode.svg|32px]] [[EM_FHNode|FHNode]]: Creates a FastHenry Node object
 
* [[Image:EM_FHNode.svg|32px]] [[EM_FHNode|FHNode]]: Creates a FastHenry Node object
 
* [[Image:EM_FHSegment.svg|32px]] [[EM_FHSegment|FHSegment]]: Creates a FastHenry Segment object
 
* [[Image:EM_FHSegment.svg|32px]] [[EM_FHSegment|FHSegment]]: Creates a FastHenry Segment object
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* [[Image:EM_FHInputFile.svg|32px]] [[EM_FHInputFile|FHInputFIle]]: Creates a FastHenry Input File
 
* [[Image:EM_FHInputFile.svg|32px]] [[EM_FHInputFile|FHInputFIle]]: Creates a FastHenry Input File
  
== FasterCap Tools ==
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== FasterCap Tools == <!--T:18-->
  
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<!--T:19-->
 
At present, FasterCap is supported via some Macros in the Export_mesh.py file available in the ElectroMagnetic Workbench GitHub source code.
 
At present, FasterCap is supported via some Macros in the Export_mesh.py file available in the ElectroMagnetic Workbench GitHub source code.
  
== API ==
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== API == <!--T:20-->
  
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<!--T:21-->
 
The EM tools can be used in [[macros]] and from the [[Python]] console by using the EM API.
 
The EM tools can be used in [[macros]] and from the [[Python]] console by using the EM API.
  
== Tutorials ==
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== Tutorials == <!--T:22-->
  
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<!--T:23-->
 
Some video tutorials are available for the EM Workbench beta versions:
 
Some video tutorials are available for the EM Workbench beta versions:
  
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<!--T:24-->
 
* [https://www.youtube.com/watch?v=h6Pp-_ovLZM FreeCAD ElectroMagnetic Workbench tutorial - Getting started]
 
* [https://www.youtube.com/watch?v=h6Pp-_ovLZM FreeCAD ElectroMagnetic Workbench tutorial - Getting started]
 
* [https://www.youtube.com/watch?v=5pSzPizw4e8 FreeCAD ElectroMagnetic WorkBench tutorial: create a conductive plane, part 1]
 
* [https://www.youtube.com/watch?v=5pSzPizw4e8 FreeCAD ElectroMagnetic WorkBench tutorial: create a conductive plane, part 1]
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* [https://www.youtube.com/watch?v=slsLdLoF2OI FreeCAD ElectroMagnetic WorkBench tutorial: using the path object, part 2]
 
* [https://www.youtube.com/watch?v=slsLdLoF2OI FreeCAD ElectroMagnetic WorkBench tutorial: using the path object, part 2]
  
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[[Category:User Documentation]]
 
[[Category:User Documentation]]
  
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[[Category:Addons]]
 
[[Category:Addons]]
  
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[[Category:External Workbenches]]
 
[[Category:External Workbenches]]
 
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Revision as of 22:50, 15 January 2019

Other languages:
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EMWorkbench.svg

Introduction

The ElectroMagnetic (EM) 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.

The EM Workbench is a FreeCAD addon, that can be installed on demand. It is not part of the standard FreeCAD install.

Screenshot EM window.png

Installation

At present, the EM Workbench must be manually installed. See the instructions in the README at the EM Workbench GihHub page.

The electromagnetic solvers FastHenry2 and FasterCap must be installed separately. Their binary codes as well as the sources are freely available from FastFieldSolvers.

Usage

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.

FastHenry Tools

These are tools used to interface with FastHenry:

  • EM FHNode.svg FHNode: Creates a FastHenry Node object
  • EM FHSegment.svg FHSegment: Creates a FastHenry Segment object
  • EM FHPath.svg FHPath: Creates a FastHenry Path object
  • EM FHPlane.svg FHPlane: Creates a FastHenry uniform conductive Plane object
  • EM FHPlaneHole.svg FHPlaneHole: Creates a FastHenry uniform conductive plane Hole object
  • EM FHPlaneAddRemoveNodeHole.svg FHPlaneAddRemoveNodeHole: Add or Remove a Node or a Hole from/to a conductive plane
  • EM FHEquiv.svg FHEquiv: Creates a FastHenry node Equivalence object
  • EM FHPort.svg FHPort: Creates a FastHenry Port object
  • EM FHSolver.svg FHSolver: Creates a FastHenry Solver object
  • EM FHInputFile.svg FHInputFIle: Creates a FastHenry Input File

FasterCap Tools

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.

Tutorials

Some video tutorials are available for the EM Workbench beta versions: