Chapter 1 - Introducing of Ansys Workbench

Chapter 1

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Introduction

ANSYS Workbench is software based on the finite element method is used to analyze the problems of engineering (engineering). ANSYS Workbench provides facilities for interaction between family ANSYS solvers. ANSYS Workbench can also integrate with CAD software that allows users to build a geometry model with various CAD software. Some of the software is Catia, Solid work, Pro Engineer, etc. Ansys can be run on Windows and Linux platforms.

ANSYS Workbench provides several facilities, including:

·         Mechanical for structural analysis (static) and thermal (heat transfer).

·         Fluid Flow, which consists of ANSYS CFX and Fluent, for the analysis of CFD (computational fluid dynamics).

·         Engineering Data, a database complete with material properties.
Design Modeler, is used to construct geometric models to be analyzed.  Also can used for image to modify results of CAD software.

·         Meshing Application, facilities for the "meshing" both the CFD and Explicit Dynamics.

·         Blade Gen is to build the blade geometry, such as fans, blowers, turbine blades and others.

Starting Ansys Workbench

To start Ansys Workbench, click on the Start Menu - All Programs - Ansys Workbench.

Fig 1. Start of Ansys

Before starting the design, must be known in advance that there is a menu and a toolbox in the ANSYS Workbench software.

Fig 2. Toolbox

Toolbox consists of 4 subgroups:

·         Analysis Systems: predefined templates that can be placed in the schematic.

·         Component Systems: various applications that can be accessed to build, or expand, analysis systems.

·         Custom Systems:  predefined analysis systems for coupled applications (FSI, thermal-stress, etc.).Users can also create their own predefined systems.

·         Design Exploration: Parametric management and optimization tools.

Project schematic is a graphical representation of the workflow that is defined by a system or group of systems.
Workflow in the project schematic is always on the right.
Static analysis Structural selected for project schematic, as shown on the right.
From the toolbox can be done with dragged and dropped into the schematic or double click.

Fig 3. Project schematic workflow

Schematic also can be made with the RMB (right click) and select "Transfer Data To New" or "Transfer Data From New". On the use of RMB all the possibilities that can be done will be displayed. Options may vary depending on which cell is selected.

Fig 4. Schematic with RMB

 Graphical User Interface (GUI)

The user interface components in Ansys Mechanical [Multiphysics] are shown in the following figure:

Fig 5. Ansys Mechanical interface

Here are some of the toolbar that contains icons that can facilitate users in the operation of the program.

Fig 6. Top toolbar

·         Toolbars can be repositioned anywhere on the top of the window Mechanics.

·         Context toolbar, as will be described later, the update depends on the active branch in "Outline".

·         Tooltips appear when the cursor is placed on the toolbar button.

Standard toolbar is usually displayed as shown below:

Fig 7. Toolbar standard

Standard toolbar for graphics processing

Fig 8. Toolbar for graphics processing

Basic Procedure

Each analysis involves the following 4 levels::

1.      Preliminary Decision

-          Type of analysis à Static, dynamic, modal, etc.

-          Type of model à Part or assembly

-          Element à Surface or Solid bodies

2.      Processing

-          Install the model geometry

-          Define material properties on the object

-          Making meshing

-          Make the Load and Support

-          The desired result

-          Solve the model

3.      Post processing

-          Review of result

-          Examination results validity of the solution

Engineering Data

Engineering data is a feature to select and enter the type of materials to be used in the design.

Fig 9. Engineering data

Fig 10. New engineering data

To create a new material, first select the Library where you will see a list of material that has been provided by Ansys. Write a new name and information on add column material. From the toolbox, double-click or drag and drop to the nature of the material you want to fill. The final step, fill in content value of the properties of the new material.

Design Modeler

In making a solid object, the first thing to do is to make a sketch of the object making it easier to manipulate objects as you wish. Object manipulation will be discussed in chapter 2.

1.      If the window ANSYS has emerged as figure 1 above, you're trying to scroll down and click on the Toolbox Component Systems. Select Geometry (Double-click or click and drag to the sheet).

2.      Double-click Geometry. Once the Design Modeler window appears select units of mm. Click OK.

Fig 11. Length unit

3.       XYPlane Enable, and click Look at Face.

Fig 12. Look at face

4.      Sketching and exchange mode and select Rectangle. Then, for any size when making sketches on the axis.

Fig 13. Sketching toolbox

5.      Now we give the dimensions of the rectangle we just created. Switching from tab to tab Draw Dimensions. Tips: to help you move the workbench screen, you can press while on hold ctrl + middle mouse scroll.

Fig 14. Sketching

Tip: the Dimension tab, click Displays. Give a check mark in the Value that the value shown on giving your dimensions.

6.      Modeling is complete. Now switch to the Modeling mode.

7.      Modeling the discussion will be discussed in chapter 2.

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