Changes

[[Image:Splash-generic2.jpg|right|800px720px]]<strong><font color="#07417e" size="4">A Visual Simulation Electromagnetic Modeling Environment for Simulating Everything from DC to Light<br /></font></strong>

<td>[[image:cad-ico.png | link=Building_Geometrical_Constructions_in_CubeCAD]] [[image:fdtd-ico.png | link=EM.Tempo]] [[image:prop-ico.png | link=EM.Terrano]] [[image:postatic-ico.png | link=EM.IlluminaFerma]] [[image:staticplanar-ico.png | link=EM.FermaPicasso]] [[image:planarmetal-ico.png | link=EM.PicassoLibera]] [[image:metalpo-ico.png | link=EM.LiberaIllumina]] </td>

[[Image:Back_icon.png|40px30px]] '''[[EM.Cube | Back to EM.Cube Main Page]]'''

[[EM.Cube]] is a visual software environment for electromagnetic (EM) modeling. It features several distinct simulation engines that can solve a wide range of modeling problems such as electromagnetic radiation, scattering, wave propagation in various media, coupling, interference, signal integrity, field interactions with biological systems, etc. Using [[EM.Cube]], you can solve problems of different sizesand length scales, varying from a few microns in MEMS devices to several miles or larger in the case of large urban propagation scenes.

[[EM.Cube]] has a highly integrated modular architecture. We have eliminated the hurdle Its six computational modules offer a mix of learning too many different software tools for solving different types of problems by creating a full-wave, static and asymptotic numerical solvers in both time and frequency domains. An intuitive, streamlined user interface that is shared among all of [[EM.Cube]]'s computational modules and simulation engines. [[EM.Cube]]'s modules offer a mix of full-wave, static and asymptotic numerical solvers in both time and frequency domains. Once you learn the basics of the software application, you will find enormous computational power at your fingertips. [[EM.Cube]] allows you to plan and execute complex, system-level simulations of multi-scale electromagnetic structures.

[[Image:Info_icon.png|40px30px]] Click here to learn more about '''[[EM.Cube Application Gallery | Examples of EM.Cube's Applications]]'''.

[[EM.Cube]] brings together several computational modules that can be used to solve a large variety of electromagnetic modeling and RF design problems. Each module revolves around a specific numerical method that is optimized for a certain class of problems or applications. [[EM.Cube]]'s framework is based on total separation of the visual software interface and simulation engines. The numerical solvers communicate with the [[EM.Cube]] application solely through ASCII input and output files. This creates the opportunity makes it possible to utilize the same user interface effectively to drive different simulation engines.

At the heart of [[EM.Cube]] is [[Building_Geometrical_Constructions_in_CubeCAD | CubeCAD]], a general-purpose parametric CAD modeling environment. [[EM.Cube]]'s computational modules are all customized variations of [[Building_Geometrical_Constructions_in_CubeCAD | CubeCAD ]] equipped with a particular simulation engine. Therefore, they all share the same input utilities (geometry definition and mesh generation) and same output utilities (data visualization and processing). [[Building_Geometrical_Constructions_in_CubeCAD | CubeCAD ]] features a powerful 3D CAD modeler with a large selection of native objects (solids, surfaces, curves) and a wide range of object creation, editing and transformation tools. You can import external CAD files with different popular standard formats. [[Building_Geometrical_Constructions_in_CubeCAD | CubeCAD]]'s intuitive, mouse-driven , point-and-click and drag-and-drop tools let you quickly build very sophisticated structures either from the ground up or by combining native objects with imported external structures. You can also export your projects to a number of popular CAD formats. CubeCAD[[EM.Cube]]'s Data Manager is a versatile utility for processing and plotting your simulation data either as 3D visualizations overlaid on your physical structure or in the form of a variety of graph types.

Besides sharing a common CAD modeler and common data visualization tools, all computational modules also feature a hierarchy of common elements: *Physical Structure*Computational Domain*Sources*Observables*Discretization The specific contents of each element may vary from module In addition to module depending on the underlying physics. For example[[Building_Geometrical_Constructions_in_CubeCAD | CubeCAD]], the geometric objects listed under your project's physical structure may have different sets of properties in each module. Many source and observable types are shared among several computational modules. === EM.Cube's Computational Modules === [[EM.Cube]] currently offers six distinct computational modules:

This module features two three electrostatic and , magnetostatic and steady-state thermal simulation engines that can be used for static or low-frequency analysis of circuits, lumped devices and transmission lines. </td>

This module features two [[3D Method of Moments]] (MoM) solvers for full-wave frequency domain modeling of 3D free-space structures: A Wire MoM simulator and a Surface MoM simulator. </td> </tr> <tr> <td style="border-color: rgb(153, 153, 204); padding: 10px; width: 50px; background-color: rgb(255, 255, 255);"> [[image:po-ico.png | link=EM.Illumina]] </td> <td style="border-color: rgb(153, 153, 204); padding: 10px; width: 80px; background-color: rgb(255, 255, 255);"> '''[[EM.Illumina]]''' </td> <td style="border-color: rgb(153, 153, 204); padding: 10px; width: 80px; background-color: rgb(255, 255, 255);"> Physical Optics Module </td> <td style="border-color: rgb(153, 153, 204); padding: 10px; background-color: rgb(255, 255, 255);"> This module features an iterative Physical Optics (PO) solver for asymptotic modeling of electromagnetic scattering from large metallic structures and impedance surfaces in the free space. </td>

{{Note|Among Besides sharing a common CAD modeler and common data visualization tools, all computational modules also feature a hierarchy of common elements: *Physical Structure*Computational Domain*Sources*Observables*Discretization The specific contents of each element may vary from module to module depending on the underlying physics. For example, the geometric objects listed under your project's physical structure have different sets of properties in each module. Many source types like plane waves and Hertzian short dipoles or observable types like field sensors, far-field radiation patterns and radar cross section (RCS) are shared among several computational modules. Of [[EM.Cube]]'s computational modules, [[EM.Tempo]] serves as a general-purpose electromagnetic simulator than can handle most types of modeling problems involving arbitrary geometries and complex material variations in both time and frequency domains.}}

| Windows 8.110| Windows 78.1 or higher

| i9 Intel Xeon 3GHz| i7 Intel Pentium 4 1GHz

| 16GB 32GB | 4GB8GB

| 2GB 8GB NVIDIA QuadroRTX| 128MB OpenGL Compliant4GB NVIDIA Quadro

| Google Chrome, Internet Explorer 8.0 or later with Javascript and Cookies enabled.

| Google Chrome, Firefox 3.0 or later with Javascript and Cookies enabled.

== Getting to Know EM.Cube's User Visual Interface ==

*Four Six horizontal and vertical toolbars below it*Module Bar on scattered at the top, left edge and right of the screen*Navigation Tree window Wide Control Window on the left side of the screen*Simulate Toolbar on the right side of the navigation treewith two tabs: Navigation Tree and Python Interpreter

*Main Window which serves as the project workspace*Python Command Window Quick Tips on the right side of the project workspacescreen

* '''Object Toolbar''': This toolbar contains all the tools for drawing [[Building_Geometrical_Constructions_in_CubeCAD | CubeCAD]]'s netive native geoemtric object types.

* '''Wizard Toolbar''': This toolbar provides easy access to all most of [[EM.Cube]]'s preloaded wizards.

[[Image:ToolbarsTop.png|thumb|left|700px720px|The toolbars allow you to perform the most commonly used functions with fewer mouse clicks.]]

When you start the [[EM.Cube]] application, it lands you first in [[Building_Geometrical_Constructions_in_CubeCAD | CubeCAD ]] by default. The Module Bar located on the left edge of the screen is used to switch among [[Building_Geometrical_Constructions_in_CubeCAD | CubeCAD ]] and [[EM.Cube]]'s various computational modules. It consists of eight buttons:

[[Image:Modulebar_new.png|thumb|left|500px450px|The module bar and navigation tree allow you to move among [[EM.Cube]]'s modules and access the properties of the current project's various items in each module.]]

The contents of the navigation tree vary depending on the selected module. In [[Building_Geometrical_Constructions_in_CubeCAD | CubeCAD]], the navigation tree features two main sections: Geometrical Construction and Data Visualization. The "Geometrical Construction" section holds your geometric objects, while the "Data Visualization" section is used for generation of 3D data visualizations to be displayed in the project workspace. In other modules, the navigation tree typically features five distinct sections:

=== Creating, Opening, Saving & Closing Projects Starting a New Project ===

You can When you start the [[EM.Cube]] application, the splash screen pops up. This screen walks you through the process of setting up a new project if you click its {{key|New}} button. Alternatively, you can close the splash screen without clicking any of its four buttons and land on a blank project workspace in CubeCAD. Here you can start drawing your new geometric objects and build a physical structure for your project. If you click the {{key|New}} button of the splash screen, the '''New Project''' dialog opens up. You can also open the new project dialog at any time by selecting the menu item '''File &rarr; New Project...''', or clicking the '''New''' [[File:New.png]] button of the System Toolbar. In either case, the "New Project Dialog" opens up. The default name of the new project is "UntitledProj1UntitledProj"followed by an index. The new project folder by default is created in the "Projects Folder" of your [[EM.Cube]] installation folder. This is normally located in the "EMAG Folder" inside your hard drive's "Documents Folder". From the New Project Dialognew project dialog, you can change the location of the new project folder to anywhere on your hard driveusing Windows Explorer's folder tree. Before you start the new project, you can change its name to anything you like. Simply type in a new name to replace the default "UntitledProj...". The problem type is assumed to be "Generic" by default. This creates a blank project in CubeCAD by default. From CubeCAD, you can switch to any of [[EM.Cube]]'s other computational modules and continue to build your project. The new project dialog lets you set the project length units. The default option is '''Millimeters'''. For computational modules, you need to set the operational frequency. The dialog lets you select the frequency unit, which is '''GHz''' (Gigahertz) by default. You can set the project's center frequency and bandwidth. Once you have changed all the settings, click the {{key|Create}} button to make the changes effective and start your new project. Keep in mind that you can always change the center frequency and bandwidth of your project later. However, changing the length units in the middle of a project is highly discouraged after you have already constructed a detailed physical structure.

[[Image:NewprojNewproj1.png|thumb|left|600px800px|EM.Cube's New Project dialog.]]

[[Image:Info_icon.png|40px30px]] To find additional details about [[EM.Cube]]'s file operations, see the '''[[Glossary of EM.Cube's Basic File, Edit & View Operations]]'''.

[[Image:Info_icon.png|40px30px]] To find additional details about these dialogs, see the '''[[Glossary of EM.Cube's Simulation-Related FunctionsOperations | Glossary of EM.Cube's Simulation-Related Operations]]'''.

You can clean up your project folder at any time through '''Menu &rarr; Simulate &rarr; Delete All Data Files'''. All Data Files or by right -clicking on the "'''Data Manager" ''' item in the "Observables " section of the Navigation Tree navigation tree and selecting "'''Delete All Data Files"''' from the contextual menu. In order to preserve your simulation data, you have to save them in a different folder other than the project folder. One way is to create a subfolder in your project folder. The contents of subfolders are not deleted at the start of a simulation. To save the data in a project subfolder, select the menu item '''Menu &rarr; Simulate &rarr; Save Data As...''' or right -click on the "'''Data Manager" ''' item in the "Observables " section of the Navigation Tree navigation tree and select <b>'''Save Data As...</b> ''' from the contextual menu. This opens up the Save Data dialog with the default subfolder name "Simulation Data" in your current project folder. You can choose the default subfolder name and location or change the name or browse to another location on your hard drive.

[[Image:Savedata.png|thumb|left|500px480px|Saving a project's simulation data into a subfolder.]]

[[Image:Enable_Grid.png|thumb|left|550px640px|Enabling the grid of EM.Cube's project workspace and selection a low-contrast color for the grid.]]

When the "Snap to Grid" mode is enabled, a text reading like '''Grid Snap: 5''' appears on [[EM.Cube]]'s tatus status bar. This shows the current grid cell size. As you zoom in or zoom out, the grid cell size changes accordingly. You can turn the "Snap to Grid" mode on and off from the status bar by double-clicking on this text to toggle its state.Besides the adaptive grid that is the default grid type, [[EM.Cube]] also offers a fixed grid option, which can be zoomed in or out together with the physical structure in the project workspace.

[[Image:Info_icon.png|30px]] To learn more about [[EM.Cube]] has two 's grid types of grid: Adaptive and fixed. The default type is adaptive. As you zoom in or zoom out the view (<i>e.g.</i? using the mouse scroll wheel), the size see '''[[Glossary of the grid cells changes automaticallyEM. When you zoom outCube's Basic File, the actual grid cell size increases. When you zoom in, it becomes smaller proportional to the total view size. It seems like you always have the same numbers of grid cells to work with regardless of the total size of the visible workspace. You can alternatively opt for a fixed grid. To change the grid type, select the menu item '''Edit & View &rarr; Operations#Grid Properties| EM...Cube'''. In the s Grid Properties dialog, select the desired radio button. If you select the fixed grid option, you have to define the grid cell size in all three X, Y and Z directions. In other words, you can have a non-uniform grid. You also need to define the extents of the grid. You do this by setting the lower left corner (Min Coordinates) and upper right corner (Max Coordinates) of the view box. These are set as the Min X, Y, Z and Max X, Y, Z values. <table><tr><td>[[Image:gridprop.png|thumb|left|480px|The Grid Properties dialog.]]</td></tr></table>'''.

The default background color of the main window is black, but it can easily be changed from the preferences dialog. Select the '''Colors''' tab of the this dialog and click the button labeled '''Color''' next to '''Background'''. A color selection window pops up, where you can pick a new background color. Another global color in [[EM.Cube]] is the selection color. When you select an object, its color turns to the selection color. When you hover your mouse on an object without clicking (called the mouse-over state), it becomes translucent with a shade of the selection color. You can snap to the characteristic points of objects (<i>e.g. </i> vertices, edge midpoints, face centers, etc.). These snap points appear in the complementary color of the selection color. By default, [[EM.Cube]]'s selection color is bright yellow, which can also be changed from the '''Colors''' tab of the preferences dialog.

[[Image:BckColor1.png|thumb|left|550px360px|The default background and selection colors of EM.Cube's project workspace.]]

[[Image:BckColor2.png|thumb|left|550px360px|Changing the background and selection colors of EM.Cube's project workspace.]]

! scope="row"| Normal View

! scope="row"| Pan View

! scope="row"| Rotate View

! scope="row"| Dynamic Zoom

! scope="row"| Zoom to Fit

[[Image:Info_icon.png|40px30px]] To find additional details about [[EM.Cube]]'s view operations, see the '''[[Glossary of EM.Cube's Basic File, Edit & View Operations]]'''. <br /> <hr>

<p>&nbsp;</p>[[Image:Top_icon.png|48px30px]] '''[[Getting_Started_with_EM.CUBECube#An_EM.Cube_Primer | Back to the Top of the Page]]'''

[[Image:Back_icon.png|40px30px]] '''[[EM.Cube | Back to EM.Cube Main Page]]'''