2 Elastic Beam Analysis With Generic Section Civilfem-Books Pdf

2 Elastic Beam Analysis with Generic Section CivilFEM
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The geometry and load distribution of the simply supported beam are shown in. the previous figure The following is a list of all the input parameters. Material Generic material,Young modulus 4 2E9 lbf ft2. Length L 33 ft,Distributed load q 900 lbf ft,Section geometric parameters. b a 3 2 ft,Approach and Assumptions, We are going to discretize the beam with a 3D model using linear beam. elements Model geometry is defined with solid modeling and automatic. meshing of elements and nodes,2 2 CivilFEM Workbook Ingeciber S A Ver 14 5. Summary of Steps,Preprocessing,1 Specify title,2 Set code and units.
3 Define material,4 Define element type,5 Capture section. 6 Define Beam Shell properties,7 Define solid modeling entities. 9 Save the database,10 Apply displacement constraints. 11 11 Apply pressure load,Postprocessing,13 Enter the postprocessor and read results. 14 Plot the deformed shape,15 Plot bending stress in Z top fiber.
16 List bending stress in Z top fiber,17 Exit the ANSYS program. 2 3 CivilFEM Workbook Ingeciber S A Ver 14 5,Interactive Step by Step Solution. Preprocessing, A typical CivilFEM analysis begins with providing data such as the units system. active code materials element types model and section geometry definition. 1 Specify title, Although this step is not required for a CivilFEM analysis we recommend that. you make it part of all your analyses,Utility Menu File Change title.
1 Enter the title Elastic beam analysis with generic section. 2 OK to define the title and close the dialog box,2 Set code and units. In CivilFEM you can choose between different codes for checking and. designing CivilFEM allows you to uphold different active codes simultaneously. one for concrete calculations another one for steel calculations and a third one. for seismic design In this example the active steel code is Eurocode No 3 it s. the default code for steel so we don t need to change anything. In CivilFEM you must also define a unit system CivilFEM will need such a. system to perform calculations according to Code You should maintain it during. the entire design In this analysis we will select American units that is feet. seconds and pounds force,Main Menu CivilFEM Civil Setup. 1 Select CivilFEM Setup,2 Choose Units,2 4 CivilFEM Workbook Ingeciber S A Ver 14 5. 3 Choose User units,4 Choose Length unit Foot ft,5 Choose Force Unit Pound Force lbf. 6 OK to accept units and close the units dialog box. 2 5 CivilFEM Workbook Ingeciber S A Ver 14 5,3 Define material.
Material properties definition is performed with the CivilFEM CFMP command. This command automatically defines the ANSYS material properties density. Young s modulus Poisson s ratio and thermal expansion coefficient and the. CivilFEM material properties necessary for code checking In this case we will. select Fe 510 steel, The CivilFEM CFMP command allows us to define stress strain diagrams to. define safety coefficients to control the linear or non linear behavior of the. material and to select the activation time of the material. Main Menu CivilFEM Civil Preprocessor Materials,1 Select Civil Preprocess. 2 Choose Materials,2 6 CivilFEM Workbook Ingeciber S A Ver 14 5. 3 Pick new to define a new material,4 Pick on the Steel icon for structural steel. 5 Pick on the EC3 icon to choose steel from Eurocode 3 code. 6 Choose Fe510 Steel and all the material properties corresponding to Fe510. steel are automatically calculated according to Eurocode 3 active code. 7 Add to define the material properties set,8 Exit to close the dialog box.
2 7 CivilFEM Workbook Ingeciber S A Ver 14 5,2 8 CivilFEM Workbook Ingeciber S A Ver 14 5. 4 Define element type, Checking and designing according to codes is performed only on CivilFEM. supported element types Although you can use any ANSYS element to define. your model only the CivilFEM supported elements will be checked according to. codes In the element type menu you can see the CivilFEM supported beam. We will use a 3D elastic Beam 4 for this analysis, Main Menu CivilFEM Civil Preprocess Element Types Civil Beams. 1 Select 3D Elastic Beam 4,2 OK to define element type. 5 Capture section, CivilFEM allows the use of ANSYS element MESH200 for automatic section.
definition calculating its mechanical properties and defining its real constants. First we define the element type MESH 200 with the 8 node quadrilateral option. Main Menu CivilFEM Civil Preprocess Element Types Other. Elements Add Edit Delete,1 Choose Add to add a new element type. 2 Select Not Solved,3 Select Mesh Facet 200,2 9 CivilFEM Workbook Ingeciber S A Ver 14 5. 6 Select Quad 8 node,To define the hexagon, Main Menu Preprocessor Modeling Create Areas Polygon. 2 10 CivilFEM Workbook Ingeciber S A Ver 14 5,1 Enter 0 for Working Plane X coordinates. 2 Enter 0 for Working Plane Y coordinates,3 Enter 2 for radius of the hexagon.
4 OK to define hexagon,To define the central circle. Main Menu Preprocessor Modeling Create Lines Arcs By. Cent Radius,7 Enter 1 5,2 11 CivilFEM Workbook Ingeciber S A Ver 14 5. 9 Enter 6 lines in arc,10 Ok to define circle,2 12 CivilFEM Workbook Ingeciber S A Ver 14 5. To define the central circles area, Main Menu Preprocessor Modeling Create Areas Arbitrary. 11 Pick lines,2 13 CivilFEM Workbook Ingeciber S A Ver 14 5.
Main Menu Preprocessor Modeling Operate Booleans Subtract. 13 Pick on the hexagon as area from which to subtract. 15 Pick on the circle as area to subtract,2 14 CivilFEM Workbook Ingeciber S A Ver 14 5. Now we divide the area by lines into six to allow mapped meshing. Main Menu Preprocessor Modeling Create Lines Lines. Straight line,17 Pick on the first keypoint,18 Pick on the second keypoint. 19 OK to define line,2 15 CivilFEM Workbook Ingeciber S A Ver 14 5.


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