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Release Update History

This page contains a running list of improvements and bug fixes in each release of EMA3D in reverse chronological order.

Release 2025 R2

  • Ansys EMC Plus

    • Improvements and updates

      • Added Circuits at Harness Junctions

      • Added Loss Tangent Approximation in Cables

      • Added S-parameter post-processing in EMA3D Connect

      • Added Unit Integration with Discovery Length Scales

  • Ansys Charge Plus

    • Improvements and updates

      • Radiation Hardening Workflow Updates

      • Spice Circuit Solver Integrated with FEM Solver

      • Added Pressure Boundary Condition for Fluid

      • Added Thin-Layer Materials

      • Added Flashover Discharge Simulation

  • Performance and UI

    • Performance Improvements

      • Simulation Tree User Experience Improvements

      • Materials Workflow updates from 25R1

      • Mesh Rendering Optimizations

      • Fluid / PIC refactor and simulation accelerations with reduced memory overhead

      • Parallelized file writing for multi-node HPC simulations in TD-FEM

      • New pre-conditioner of TD-FEM

      • FDTD H-Field Normalization Refactor

      • FDTD Meshing Improvements

    • Additional Updates

      • EMA3D Connect Integration

      • Frequency Dependent Tool – Loosened fit parameters

      • ESD Validations in TD-FEM

      • Smoothing kernel for energy conserving schemes in PIC – Plasma Stability

      • New FDTD probes for breakdown region analysis

      • Raytracing and Radhard bulk detector assignments

      • FDTD Antenna Staircase Current Probe

      • Parametric Sweeps

      • KBL Import Updates

      • Additional d-scripts – centerline extraction and deconfliction tools

        Available in installation at C:\Program Files\EMA\2025R2\share\scripts

Release 2025 R1

  • Ansys EMC Plus

    • Improvements and updates

      • Added Conformal Boundary Approximations (CBA) Surfaces

      • Added Automatic Cable Twisting

      • Added Multiple Thin Layer Surfaces

      • Faster loading and saving times for models with large mesh sizes

      • Added an archive option to save all model, mesh, and results files in a single file with the extension .ema3d

      • Added ability to choose any part of the geometry to add to the visualization

      • Added clipping planes to allow for interior mesh elements to be inspected

      • New material assignment inspection tool

      • Native Discovery 3D visualization performance to speed up visualization

      • Significant updates to API workflow and documentation to automate processes

      • Improved mesh connections for complex geometry

      • Faster PCB importing

  • Ansys Charge Plus

    • Improvements and updates

      • Added fluid coundary condition improvements

      • Added raytracing probes and performance upgrades

      • Added window functions in discrete Fourier transforms

      • Added 1D sheath modeling

      • Improved stability - energy conserving semi-impicitization ECSIM

      • Added more post-processing capabilities (EEDF)

      • Added ability to generate 2D slices of 3D models to reduce element count

Release 2024 R2

  • Ansys EMC Plus

    • Improvements and updates

      • Added New Interaction Point UI for assigning pig tails, probes, etc. for MHarness cables

      • Added Mesh Short identification tool for identifying mesh elements that touch, creating short circuits between geometries

      • Added EMI Receiver processing tools

      • Significantly expanded API support

      • Updated Circuit Terminations

      • Added ability to pop out Simulation Tree into its own window

      • Enhanced PCB import performance

      • Added Windows GPU FDTD solver

      • Added antenna Port functionality for setting S-Parameter ports

      • Added variable mesh with antenna probes

      • Updated tools in the MHarness Interaction Point UI

      • Updated how to define the frequency content of the derivative of a Gaussian source

      • Updated GPU licensing

    • Bug Fixes

      • Fixed issue with EDB import failing when Nets are not selected

      • Fixed issue with Animation Probe resetting view orientation

      • Fixed issue with smaller MHARNESS segment radii being overwritten by larger segment radii

      • Fixed issue with MHARNESS probes not snapping to correct location

      • Fixed issue where Current Density Source ignored scaling factor

      • Fixed issue where new results could not be imported if previous results were deleted

  • Ansys Charge Plus

    • Improvements and updates

      • Added new Plasma Reaction Rate definitions and GUI

      • Added arbitrary surface particle sources

      • Added dose estimation by reverse ray-tracing

      • Updated the types of reaction rates accepted by Charge solver and GUI

      • Added dose estimation by reverse ray-tracing

      • Added new FEM post processing including Surface Voltage Differencing and Current Density Integration Probe

      • Added ability to write excited species separately from non-excited species in the plasma environments

    • Bug Fixes

      • Fixed issue where Vector Boundary Condition was incorrectly labeled and incorrectly output

      • Fixed issue with current source signal file not writing correctly

      • Fixed issue where particle source number of time steps was overriden when the tool was opened

      • Fixed issue where chassis groups are deleted when moving bodies out of components

      • Fixed issue where material names in simulation tree reset when you go back in and edit properties

      • Fixed issue where scientific notation values could not be used for Fluid Options time steps or output frequency

Release 2024 R1

  • Ansys EMC Plus

    • Improvements and updates

      • Added lightning probability and overbraid transfer impedance automatic workflows

      • Added new button to launch standalone Nexxim

      • Added ability to calculate SAR

      • Added bulk data probe

      • Added non-circular conductors in MHARNESS

      • Added manual FDTD mesh editing tools

      • Updated antenna radiation probes

      • Added system coupling

    • Bug Fixes

      • Fixed issue with Simulation Tree not appearing when Structure Tree is large

      • Fixed issue with GUI slowing down meshing

      • Fixed bug where Switch appears to be turned off

      • Nexxim now runs double precision by default

      • Fixed subgrid tool

      • Modified frequency dependent materials with new constraints

      • Fixed issue where distributed field probe has inconsistent max samples and probe placement

      • Fixed issue where large animations did not render

      • Fixed issue where thin wires written twice to .emin

      • Fixed issue with large geometry not appearing

  • Ansys Charge Plus

    • Improvements and updates

      • Added Radiation Hardening and Surface Charging automatic workflows

    • Bug Fixes

      • Fixed issue where extrusion meshing fails on coax cables

      • Fixed issue where processing results to ParaView doesn't report errors

      • Fixed issue where progress bar not working

Release 2023 R2

  • Ansys EMC Plus

    • Improvements and updates

      • EMA3D Cable software renamed Ansys EMC Plus

      • Added custom background tool

      • Added antenna far field probe tool

      • Added thin wire probes

      • Added variable grids

      • Added thin wire sources

      • Added EDB import tool

      • Added autojoin connectors tool

      • Added bulk assign and bulk delete terminations tools

      • 2023R2 can be installed alongside 2023R1

      • Updated documentation and tutorials

      • Added ability to turn switches both on and off

      • PowerBalance solver now available

      • Updated Nexxim binaries for improved stability

      • Circuit termination warnings have been improved

      • Circuit termination pin selector now restricts users to valid selections only

      • Circuit solver settings now available (found in Harness Configuration)

      • Mesh and .emin files now support !2PNT format, greatly reducing size and complexity

      • Can now group Harness elements into SubHarnesses for organization

      • Tool UI’s now show/hide dynamically based on selections

      • Autojoin tools available for Harness conductors based on imported or assigned "Signal ID"

      • Added Kill button for simulations

    • Bug Fixes

      • Fixed NaN issue when using EMC envelopes to compute transfer functions

      • Fixed issue with material assignment tool freezing

      • Fixed issue with lag when using harnesses

      • Fixed a mesh bug for line placements in variable FDTD mesh

      • Fixed an issue with window and table sizing

      • Fixed an issue with placing probes in variable mesh

      • Nexxim output format corrected for pin impedances

      • Plot autoscaling now accounts for all lines in the plot

      • Exit button in the installer will appear when the installer/uninstaller has completed

      • Removed the "verbose" option when running simulations with MPI, improving log readability

      • Bandwidth Averaging set to 0 by default

  • Ansys Charge Plus

    • Improvements and updates

      • EMA3D Charge software renamed Ansys Charge Plus

      • Updated finite element mesh engine / Artemis finite element meshing in some cases

      • Added variable grids for finite difference meshing

      • Added coupling between compressible fluid dynamics and electrodynamic/PIC solvers

      • Added integration with Ansys Chemkin-Pro

      • Updated documentation and tutorials

      • Added ability to launch simulations from file

      • Added additional Plasma options

    • Bug Fixes

      • SEY Plot will no longer stall for bad parameters

Release EMA3D 2023 R1

  • EMA3D Cable

    • Improvements and updates

      • Simulation files will use the Discovery file name instead of the name of the Domain

      • Touchstone files now display the .ts file extension in the UI instead of .snp

      • Added geometry selection and complete button to the circuit termination tool

      • Added ability to switch between electric and magnetic types for the current density tool

      • Added the ability to edit port definitions and view the defined impedance

      • Increased tubular shield conductivity to 1e7

      • Updates to the Nexxim Circuit Solver Tool

      • Nexxim tool will now copy the NetList entry for third-party components if the component is not recognized

      • Added ability to assign thin gaps to isotropic surfaces

      • Improved surface meshing quality and performance

      • API version update for EMA3D scripting

      • Improvements to the license checkout for Ansys installations

      • Added new export functionality for EMC envelopes and a user control to gather information from imported envelopes

      • Added tool to compute transfer function for given EMC limit curve

      • Added exterior field probes

      • Added one-click workflows

      • Added ability to search Simulation Tree

    • Bug Fixes

      • Fixed issue with sub-grids not running due to directory naming conventions

      • Fixed issue with plots reverting to the default name instead of using the label in the simulation tree

      • Fixed issue with mesh inspect nodes not showing up in Discovery

      • Fixed issue with near-field source not using sub-grid domain coordinates

      • Fixed issue with drag arrows not updating when manually entering values for the domain lattice bounds

      • Fixed issue with the layer count in the Domain not being editable

      • Fixed bug preventing S-Parameter simulations with standalone MHarness

      • Fixed bug where simulation files would have bad characters in file names, preventing simulations for some model names

  • EMA3D Charge

    • Improvements and updates

      • Added the SEY plot for surface charging materials

      • Added the ability to check surface charging material assignments to find surfaces without assignments

      • Added units to missing properties of surface charging materials

      • Improved GUI of the Breakdown Region and Domain tools

      • Added toggles to some of the options in the domain, illumination, and boundary tools

      • Added new PIC environments

      • Added section for advanced options for the solver

      • Added support for radiation hardening simulations

      • PIC and radiation hardening updates to the solver

      • Updated Geant4 version for particle tracking in Charge simulations

      • Added the ability to add signals to surface charging materials as well as charging boundaries

      • Added time-varying illumination and boundary conditions

    • Bug Fixes

      • Fixed an issue with multiple Charge materials showing in the structure tree

      • Fixed issue with commas causing issues with the FEM mesh engine

      • Fixed incorrect units in plasma charging environments

      • Fixed issue with the electric field animation tool not using the correct minimum and maximum values

Release EMA3D 2022 R2

  • EMA3D Cable

    • Improvements and updates

      • Changed platform from SpaceClaim to Discovery

      • Updated the EMA3D solver to the latest version - improvements to allow for terminating circuits, multiple subgrids, and thin wire pin voltages

      • Added overlay help functionality

      • The default termination for thin wires was changed from CIRCUIT to SERIES in the .emin file

      • Connector-style termination for MHarness

      • New circuit components available for the Nexxim UI

      • Updates to the Nexxim Circuit Solver Tool

      • Added EMC limit curve tool

      • Netlist output updated to match solver changes

      • Updated to newest Netlist package for updated formatting

      • Updated user manual including new API section and tutorials

      • Improved FDTD meshing speed

    • Bug Fixes

      • Fixed an issue with S-parameters in the API

      • Removed default circuit settings that caused unstable simulations

      • Fixed an issue with parallelization for subgrid simulations

  • EMA3D Charge

    • Improvements and updates

      • Changed platform from SpaceClaim to Discovery

      • Solver updated to latest version - improvements to simulation results, added parallelization in certain parts of simulation, added support for HPC packs

      • Added overlay help functionality

      • Mesh groups for surfaces when using a direct mesh

      • Updated version of MeshConvert to improve generation of simulation files

      • FDTD solver will check out an EMA3D Charge feature for non-linear air chemistry simulations

      • Added section for advanced options for the solver

      • Particle – in – cell (PIC) added to the Charge Domain and Plasma Environment tools

      • Added new Air Conductivity and Space Charge animation probes

      • Removed extrusion meshing capability

      • Added parallelization of all solvers

    • Bug Fixes

      • Particle type for the particle source was not being saved correctly

      • Mesh resolution was not being applied properly in coupled simulations

      • Flux bins for the domain were being written incorrectly

      • Default spectrum file was not using the properties in the GUI if a spectrum file was not uploaded

Release EMA3D 2022 R1

  • EMA3D Cable

    • Improvements and updates

      • Updated the EMA3D solver to the latest version

      • Added a warning in the Signal Edit GUI for signals whose value at t=0s is not equal to 0

      • Added a pop-up GUIs and Ribbon buttons for the Copy Cross Section and Visualize Cross Section tools

      • Added logic to ignore PEC Lines when a Current Density Source is present on the same line

      • Added support for EMA3D Switches

      • Added support for Chassis in EMA3D Charge

      • Added support for using WIPL-D files (*.nf1) with Near Field Sources

      • Performance optimizations to the Mesh Inspect tool to speed up the rendering time on large models

      • Added the ability to save materials and cable definitions to a library for later use in a different model

      • Added Linux installer to the .zip file

      • Added ability to "clear" an existing mesh by right-clicking the Mesh node in the Simulation Tree

      • Added a filament number option when configuring a Harness

      • Added Match Impedance and Surrounding Material cable termination options

      • Conductance terminations now only affect the conductor to which they are applied

      • Added ability to add, subtract, multiply, and find the quotient of two probe output files

      • Added ability to assign material properties from the structure tree and model window

      • Added the ability to define complex circuit terminations on harnesses

      • Added IronPython api calls for EMA3D into SpaceClaim's editor

    • Bug Fixes

      • Fixed an issue with BWA not applying to the entire result signal

      • Fixed an issue with cable probes not showing up in the correct location

      • Fixed issue with slow meshing

      • Fixed an issue selecting conductors from the drop down list in predefined cables

      • Fixed an issue with non-unique names on conductors in pre-built cables

      • GUI no longer throws an error when using non-uniform step sizes with empty harnesses

  • EMA3D Charge

    • Improvements and updates

      • Updated EMA3D CHARGE solver to latest version

      • Added extrusion meshing for internal simulations

      • Added direct meshing from a STEP file for surface and internal simulations

      • The chassis tool is now disabled for internal simulations

      • Added ESD Options in the domain tool

      • Added flux bin options in the Domain tool

      • Removed "Generate Higher-Order Elements" option from local mesh groups

      • Removed the surface monitoring plot for simulations

      • Changed the units on the "Mesh Length Adjustment" from meters, as it is actually a scale factor

    • Bug Fixes

      • Fixed a bug where the xz91mats.dat file was written for surface charging simulations

      • Fixed an issue with the chasis_defined.dat file being written out incorrectly.

Release EMA3D 2021 R2.1

Improvements and updates

  • Added compatibility between EMA3D Cable and EMA3D CHARGE

  • Updates to meshing engine to support arbitrary radius cable deconfliction

  • Added ability to specify thin wire structures within EMA3D

  • Added ability to define voltage sources within EMA3D

  • Added the ability to select multiple items in the Simulation Tree as well as the following quick keys:

    • Press F2 to rename

    • Delete / Backspace to delete

    • Space Bar to toggle visibility

  • Added a search bar at the top of the Simulation Tree which can be used to filter which items are visible

  • Moved Seams/Joints and Materials to their own nodes for easier organization

  • Other small quality of life and accessibility improvements

  • Updated the EMA3D solver to the latest version (v.7.1.1)

  • Updated the installer branding to 2021R2.1

  • Improvements to dragging items in the Simulation Tree

  • Added support for clicking “Enter” to finish using various tools

  • Improvements to automatically close tools when deleting an item while it is being edited

  • Improvements to reopening tools when clicking "ctrl+Z"

Bug fixes

  • Fixed an error caused by dashes in the names of sub-grids

  • Fixed an issue where Thin Wire terminations were being written out with the wrong capacitance

  • The meshing tool will no longer save an old version of a meshed object if the object fails to mesh

Release EMA3D 2021 R2

Improvements and updates

  • Added support for body meshing and defining body materials

  • Added support for analyzing complex results in S-parameter simulations

  • Added several new Glenair overbraids to pre-defined overbraid definitions

  • Added SIwave (*.and) file support for near field sources

  • Improved the meshing engine, including large radius deconfliction

  • Improved SIWave near field source imports for irregular data

  • Changed the S-Parameters boundary conditions to improve correlation between integrated EMA3D and MHARNESS simulations

  • Added a limit to the total number of probe locations allowed when using field probes

  • Added the ability to hover over the name of a Conductor/shield in the cross-section tool to display its outer radius

  • Added a separate menu option "Compute Field Averages" in addition to the existing "Compute Field Statistics" which skips the shielding effectiveness calculation

  • Added a setting to skip rendering of the mesh after finishing meshing

  • Added a right-click menu option to select the lines that are part of a harness/cable's routing

  • Added a right-click menu option to hide items that are not part of a harness/cable's routing

  • Updated solver executables to version 7

  • Added multigrid/sub-domain feature which allows users to couple sub-regions of finer meshes

  • Added support for frequency dependent materials with built-in curve fitting

  • Added support for infinite depth harnesses

  • Updated MHARNESS terminations for version 7 compatibility

  • Added ability for custom junctions to be used to connect segments across multiple levels

  • Updated mesh engine to only consider surfaces with material assignments when deconflicting harness segments

  • Updated user guide to match version 7 capabilities and GUI features

Bug fixes

  • The "Allow transparent mesh" option now behaves correctly when using material colors

  • Plane Wave excitation are now correctly written to input files for standalone MHARNESS simulations

  • Fixed an issue with some tool windows not opening

  • Fixed an issue with the KBL import failing on files without any wire groups

  • Plane wave lower bounds padding now matches that of the upper bounds (3 cells)

  • Fixed an issue causing animation probes to freeze on the last frame

  • Fixed an issue causing things to disappear from the Simulation Tree when using a "Source File Signal"

  • Fixed the way current sources are written out to avoid breaks in the current path

  • Fixed an issue introduced in the last version causing the Plane Wave to write out the wrong bounds

  • Fixed an issue preventing users from editing plot series

  • Fixed an issue preventing users from joining lines when they are part of a harness

  • Fixed the Near Field source so that values should now be in line with SIWave results

  • Fixed an issue causing the lattice bounds to occasionally be written out one cell smaller than expected

Release EMA3D 2021 R1

Improvements and updates

  • Added several new tools for creating geometry that aligns to the simulation lattice

  • Added the ability to render mesh colors based on the Material or assigned geometry color

  • Added the ability to inspect the mesh of geometry pieces individually

  • Added the ability to rename many pieces of geometry with unique names at once

  • Added the ability to export model information to a .xlsx file

  • Added a unit option to the Animation colorbar

  • Near field sources can now be moved within the model

  • Near field sources now display a box to represent the excited region

  • Improvements to kbl import

Bug fixes

  • Fixed issues with simulation tree checkboxes not matching what is shown/hidden in the model

  • Fixed issues making it difficult to select points after performing an undo operation

Release EMA3D 2020 R2.109

Improvements and updates

  • Added support for cable twisting

  • Added S-parameter features

  • Added the ability to run harness simulations standalone in MHARNESS through the GUI

  • Improvements to mesh quality

  • Added additional user-configurable meshing options

  • Resolved an issue with non-ASCII characters in port names

  • Exported .snp files will now retain their port names when imported into AEDT

  • Terminations for pre-defined cables can now be configured independently for each individual interior item

Bug fixes

  • The skip property can again be edited on animation probes

  • Fixed an issue with RCPRS terminations using the wrong series resistance

  • Executing parallel jobs through the GUI now uses the proper number of processors when using more than 10 divisions in the Z direction

  • The ribbon now properly appears on Turkish versions of Windows

Release EMA3D 2020 R2.60

Improvements and updates

  • Pin current excitation sources can now be used on exposed shields and conductors

  • Added a new installer and GUI option to allow users to configure when the EMA3D plugin will attach to a SpaceClaim session

Bug fixes

  • The sources node in the Simulation Tree now becomes checked off after creating a Pin Current source

  • The plot and series pop-up edit windows now initialize to an appropriate size when opened

  • Segment lengths for MHARNESS standalone simulations now correctly appear in the input files

Release EMA3D 2020 R2.37

Improvements and updates

  • Added a "Cable Group" harness item which allows users to group items together without requiring a shield

  • Users can now import harnesses from KBL files

  • Users can now configure the start/stop/step time for all probes

  • When computing field statistics, the field probe name is now propagated to the newly generated results and plots

  • When selecting a surface/line with an EMA3D material assigned, the material name is now displayed in the property window

  • The default scaling for current density sources is now x directed (1, 0, 0) as opposed to uniform (1, 1, 1)

Bug fixes

  • The magnetostatic time step GUI no longer opens cut off when using Windows UI scaling

  • The SpaceClaim application no longer minimizes when closing the preprocessing window

Release EMA3D 2020 R2.30

Improvements and updates

  • Added pin current source

  • Added the following global configuration options:

    • Mesh deconfliction

    • Solver precision

    • Parallel licensing type (pool/pack)

    • Automatic harness packing toggle

  • Improvements to the meshing deconfliction routines

  • When copying a signal, its name is now propagated to the new signal

  • Added surface/line names to the .emin file export to help debug mesh in complex models

  • Added Huygens surface tutorial

Bug fixes

  • The MHARNESS input file segments now line up with the GUI segment names after splitting a line

  • Solver bug fixes

Release EMA3D 2020 R2.14

Improvements and updates

  • Added ability to define near field sources using HFSS XML output files

  • Junction and node tool can now be used to create connections between inner conductors and shields with different parents

  • Added ability to drag signals onto the "Signals" node to remove them from their source

  • Added ability to define transfer impedance for woven shields based on construction geometry

  • Added ability to create plots by right clicking on the simulation results

  • Thin surface definitions now support permittivity values other than that of a vacuum

  • Added additional physics checks

  • Enhancement of algorithms for open cables and transfer impedances

  • Added algorithm for thin magnetic surfaces

Bug fixes

  • Updated plane wave angle descriptions for to be consistent with documentation

  • Computing field statistics of H-Field probes now displays the proper title and y-axis units

Release EMA3D 2020 R2.6

Improvements and updates

  • Users can now define pigtail connections

  • GUI Improvements for users with High Contrast Mode enabled

  • Meshing engine improvements

  • Environment variable now points to license folder instead of specific license file

Bug fixes

  • The Simulation Tree now scrolls while dragging and dropping items outside of the current view

  • Seams/Joints objects now use the correct inductance

  • Software no longer crashes while canceling a meshing process

Release EMA3D 2020 R2

Improvements and updates

  • Added support for Seams/Joints

  • Added support for Voltage difference probes

  • Added warning when animation probe contains no geometry

  • Added warning when differential voltage has no source attached

  • Wire meshes automatically avoid conflicts with other wires

  • Junction and node tool allows for cable splices and inhomogeneous cables

  • Parallel simulation works (via domain tool in parallel divisions)

  • Custom junctions/connections possible between conductors of the same parent

  • Lowered default distance to the ground plane for standalone MHARNESS simulations

  • Added surface bulk current probes

  • Warning issued when trying to run MHARNESS simulation with non-uniform time step

  • Users are no longer limited to one level or type of Harness excitation

  • Units for termination, isotropic, and thin surface conductance is now shown in Siemens

  • Users can now edit the harnesses Meshing/Packing Factor

  • Editing cross sections of harness segments now generates an undo step

  • Added several render options for harnesses including an option to display the harness' equivalent 3D representation within the model

  • Added Seams/Joints tool to user guide

Bug fixes

  • Field probe results now have the same name as the field probe that they originate from

  • Current sources are now deleted when their associated geometry is deleted

  • Non-US machines now use periods in place of commas in input files

  • Start and end time labels are now in proper order in Animation Probe tool

  • Software no longer freezes when importing geometry from Ansys Workbench

  • Cables that span only a single FDTD cell no longer cause errors when attempting to run the simulation

  • Probes are no longer ignored when assigning them to pre-defined cables

  • The Simulation Tree no longer freezes when attempting to drag an item whose name is currently being edited

  • Items are no longer left highlighted when dragging and dropping them in the simulation tree

  • Parallelization now uses the correct number of processes

  • Harness cables with very long names no longer cause issues when running a simulation

Release 294

Improvements and updates

  • Solver can now support an arbitrary number of MHARNESS sources, and they can be mixed in type and application location

  • Added support for thin surface definitions

  • Added support for thin seams definitions

  • Added support for thin gaps definitions

  • The minimum tick step size for the animation colorbar when using log scale can now be decreased to less than one decade

  • Changed the word "Inductance" to "Transfer Inductance" when defining shields and overbraids for clarity

  • Added the "Validating simulation with measurement: shielding effectiveness of a shroud" demo

Bug fixes

  • Animation colors are now interpolated correctly when using log scale with minimum and maximum values less than 1

  • Items with spaces at the end of their names are now properly copied and deleted when interacting with them in the Simulation Tree

  • The minimum and maximum colorbar values are now automatically adjusted to be greater than 0 when using log scale

  • Solver updated to prevent the misapplication of differential mode voltage

Release 258

Improvements and updates

  • Added ability to take FFT of results of some probes

  • Added ability to export plots as image files

  • Added ability to export plot series data as ASCII text files

  • Users can now use commas when modifying values in the GUI depending on their machine regional format

  • Updated font in property panel to make it easier to differentiate between periods and commas

  • Improved hit detection when selecting/dragging bounds arrows

  • Added notional plane lightning strike demo to User Guide

Bug fixes

  • Renaming items in the Simulation tree now properly applies the change when clicking off the item

  • Simulation tree scrolling no longer jumps when adding/removing items

  • Magnetostatic time steps now reappear properly after opening saved files

  • Shield and overbraid resistance values now import properly on machines with regional formats that use commas

  • SpaceClaim and MPI installers now properly invoke during installation if selected

Release 249

Improvements and updates

  • Pin voltage sources can now be applied to exposed/top-level conductors

  • Improved automatic deconfliction for line meshes

  • Improved handling of meshes with different resolutions in the x, y, and/or z coordinates

  • Users can now use magnetostatic time stepping

  • Added differential voltage with custom junctions tutorial

  • Added warning icons to some items in the Simulation Tree to signal when they need user attention

  • Graphical updates to the Simulation Tree

  • Added What's New and Release Update History Pages to User Guide

  • Added differential voltage with custom junctions demo to User Guide

Bug fixes

  • Removed unused checkboxes from items the Simulation Tree

  • Probes will no longer disappear from the Simulation Tree when editing large models

  • Green rotational arrow in plane wave tool rotates with plane when entering angles manually

Release 238

Improvements and updates

  • Wire meshes automatically avoid conflicts with other wires

  • Junction and node tool allows for cable splices and inhomogeneous cables

  • Parallel simulation works (via domain tool in parallel divisions)

  • Differential voltage sources added in MHARNESS

  • Custom junctions/connections possible between conductors of the same parent

  • Added surface bulk current probes

  • Warning issued when trying to run MHARNESS simulation with non-uniform time step

Bug fixes

  • Current sources are now deleted when their associated geometry is deleted

  • Non-US machines now use periods in place of commas in input files

  • Start and end time labels are now in proper order in Animation Probe tool

  • Software no longer freezes when importing geometry from Ansys Workbench

  • Cables that span only a single FDTD cell no longer cause errors when attempting to run the simulation

  • Probes are no longer ignored when assigning them to pre-defined cables

See Also

EMA3D - © 2025 EMA, Inc. Unauthorized use, distribution, or duplication is prohibited.