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ABAQUS Tutorial 12.pdf

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  ABAQUS CAE BEAM TUTORIAL 1 REV 03.01.2011 FINITE ELEMENT ANALYSIS OF A PROPPED CANTILEVER BEAM Instructor: Professor James Sherwood Revised: Dimitri Soteropoulos Programs Utilized: ABAQUS CAE 6.9-EF1 Problem Description: This tutorial shows how to build and analyze the propped cantilever beam shown in Figure 1. The finite element model of the beam will be constructed using ABAQUS CAE. Three different loads are considered: Material: Steel with E=29x10 6  lbs/in 2   Load case 1: Distributed Load case 2: Lumped Load case 3: Consistent Figure 1.  Schematic of Beam Dimension and Loading  ABAQUS CAE BEAM TUTORIAL 2 REV 03.01.2011 Creating the Model Geometry    Go to the Start Menu  and open Abaqus CAE      You may be prompted with an Abaqus/CAE 6.9 Extended Functionality  box (Figure 1). Close this box by clicking the X  in the top right hand corner. Figure 1.  Abaqus/CAE 6.9 Extended Functionality box.    Once the Extended Functionality  box is exited, the ABAQUS CAE Viewport should look similar to Figure 2. (Please note the model tree  is the series of functions listed on the left hand side of the viewport, while the module  is the list of icons to the right of the model tree) Figure 2.  ABAQUS CAE Viewport Model Tree  ABAQUS CAE BEAM TUTORIAL 3 REV 03.01.2011    A model of this I-Beam will be constructed using only beam elements. To create the model geometry of the steel I-beam, a sketch of the beam length must be generated.    Using the left mouse button, double click Parts in the model tree and the Create Part  (Figure 3a) dialog box appears. Enter a new name for the part (I-BEAM), and under the Base Feature tab choose Wire  for shape and Planar for type. The Create Part  dialog box should look identical to Figure 3b.    Click Continue … and the graphics window will change to a set of gridlines. Figure 3a.  Create Part Dialog Box Figure 3b.  Create Part Dialog Box (I-BEAM)    For the first step in generating the model geometry, a 100-in. long line must be created. Click the Create Lines: Connected icon   in the module. (Remember, the module is the series of icons to the right of the model tree.)    In the viewport click once with the cursor, then drag the cursor horizontally to any other place in the viewport such that you will be creating a line parallel to the bottom edge of the screen and click again. After clicking for the second time, press Esc  on the keyboard to exit the Create Lines: Connected  tool.    Because a line of arbitrary length was drawn in the initial sketch, it will now be given the proper dimensions. Click the Add Dimension  icon in the module and click the line in the sketch. After this click, the line should turn red and its corresponding dimension should appear. Move the cursor away from the horizontal line and click.    At the bottom of the viewport, a New dimension:  box should appear (Figure 4). Figure 4.  New Dimension Box Example value. Your value may be different.  ABAQUS CAE BEAM TUTORIAL 4 REV 03.01.2011    Enter a value of 100.0  in the New Dimension box.    Hit Enter .    The sketch should resize to the appropriate dimension. However, the full length of the line might not be visible in the viewport. To auto-scale the screen press F6  on the keyboard. The viewport should look identical to that in Figure 5. Figure 5.  Dimensioned Line (100 in.)    Press Esc  on the keyboard to exit the Add Dimension  tool.    Click Done in the bottom left hand corner of the viewport.    Sketch mode will automatically be exited, and a grey 100-in. long beam will appear (Figure 6).
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