9/08/2011

ANSYS-Explicit Dynamics Basics Part A

Explicit Dynamics (Mechanical) GUI

Explicit Dynamics (Mechanical) GUI : Menus

The menus provide much of the functionality present in Explicit Dynamics.

The more commonly used menu items are covered below:

– The title bar lists analysis type, product and active ANSYS license.

– “File > Clean” to delete mesh and / or results from database.

– “Units” to change units on-the-fly.

– “Tools > Options… ” to customize settings and options.

– “Help > Mechanical Help” to access documentation

Explicit Dynamics (Mechanical) GUI : Toolbars

Toolbars provide quick access to functionality.

– Toolbars can be repositioned anywhere on the top of the Mechanical window.

– The “Context” toolbar updates depending on what branch is active in the

“Outline” tree.

Offers options similar to those available by RMB on the active branch

– Tooltips appear if the cursor is placed over a toolbar button.

Standard” toolbar

“Graphics” toolbar

– used for selection and graphics manipulation:

– The left mouse button can be either in “selection” mode or “graphics manipulation” mode. The above toolbar buttons are grouped as “select entities” and “graphics manipulation” control.

– The graphics selection can be done using individual selection or box-selection. This is controlled by the “Select Mode” icon.

Explicit Dynamics (Mechanical) GUI : Outline Tree

The Outline Tree provides an easy way of organizing the model, materials, mesh, loads, and results for the analysis.

– The “Model” branch contains the inputdata required for the analysis

– The “Explicit Dynamics” branch containsthe initial conditions, loads, supports and analysis settings required to run the analysis.

– The “Solution” branch contains result objects and solution information

The Outline Tree shows icons for each branch, along with a status symbol. Examples of the status symbols are below:

– Checkmark indicates branch is fully defined / OK

– Question mark indicates item has incomplete data (need input)

– Lightning bolt indicates solving is required

– Exclamation mark means a problem exists

– “X” means item is suppressed (will not be solved)

– Transparent checkmark means body or part is hidden

– Green lightning bolt indicates item is currently being evaluated

– Minus sign means that mapped face meshing failed

– Check mark with a slash indicates a meshed part / body

– Red lightning bolt indicates a failed solution

Explicit Dynamics (Mechanical) GUI : Details View

The Details View contains data input and output fields. The contents will change depending on the branch selected.

– White field: input data

Data in white text field is editable

– Gray (or Red) field: information

Data in gray fields cannot be modified.

– Yellow field: incomplete input data

Data in yellow fields indicates missing information.

Explicit Dynamics (Mechanical) GUI : Graphics Window

The Graphics Window shows the geometry and results. It can also provide worksheet (tabular) listings, the HTML report, and a Print Preview option.

Geometry

Explicit Dynamics supports Solid Surface and Line bodies.

Check that all geometric bodies have been imported

– Line bodies are not imported by default. If line bodies are not shown in the tree, select Tools >

Options > Geometry Import in the Workbench project window and check the “Line Bodies” box

– Solid, Surface and Line bodies

Check that the imported material assignment for each body is correct

By default a linear “Structural Steel” is assigned.

Use RMB to assign a different material

– Surface bodies Specify the Thickness

– (the Thickness mode and Offset type fields for surface bodies are not supported for Explicit Dynamics systems)

– Line bodies

Only symmetric cross-sections are supported

http://www.cadfamily.com/html/CAE_CFD/ANSYS-Explicit%20Dynamics%20Basics%20Part%20A_808_1.htm

http://www.cadfamily.com/html/CAE_CFD/ANSYS-Explicit%20Dynamics%20Basics%20Part%20A_808_2.htm

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