Click the Add New Function button to display the Time History Function Definition form. o Type.0625 in the Time edit box, type 10 in the Value edit box, and o Type.125 in the Time edit box, type 0 in the Value edit box, and o Type.1875 in the Time edit box, type -10 in the Value edit box, and o Type.25 in the Time edit box, type 0 in the Value edit box, and o Click the OK button to return to the Define Time History Functions form. 4/13/ĥ o Type.0 in the Time edit box, type 0 in the Value edit box, and click the Add button. In that form: o Accept the default FUNC1 Function Name. In that form: In the Choose Function Type to Add area, click the drop-down box that reads Sine Function and then click on the User Function item. Click the Define menu > Functions > Time History command to display the Define Time History Functions form. Click the Show Undeformed Shape button to remove the displayed joint force assignments. In that form: Type 1 in the Force Global X edit box. Click the Assign menu > Joint Loads > Forces command to display the Joint Forces form. Select the joint labeled C in the problem statement. Click the Show Undeformed Shape button to remove the displayed joint mass assignments. Click the drop-down box in the status bar to change the units to. In that form: Type.02 in the Direction 1 edit box. Click the Assign menu > Joint > Masses command to display the Joint Masses form. Select the joints labeled C and D in the problem statement. In that form: Click on W8X48 in the Properties area to highlight it. Click the Assign menu > Frame/Cable/Tendon > Frame Sections command to display the Frame Properties form. In that form: Click on W12X26 in the Properties area to highlight it. 3/13/Ĥ o Click the OK buttons on the database form, the I/Wide Flange Sections form and the Frame Properties forms to close all forms. Scroll down to the W12X26 section, and click on it while holding down the Ctrl key on the keyboard. In that form: o o Scroll down and click on the W8X48 section. A form appears with a list of all wide flange sections in the database. Highlight Sections.pro and click the Open button. In that form: Locate the Sections.pro file, which should be located in the same directory as the SAP2000 program files (C-drive). In the Click to area, click the Add New Property button to display the Section Property File form. In the Choose Property Type to Add area, click the drop-down box that reads Import I/Wide Flange and then click on the Import I/Wide Flange item. Click the Define menu > Frame Sections command to display the Frame Properties form. NOTE: Textbook problems do not usually include self-weight of structure for static analysis, but is necessary for modal analysis. Click the OK buttons on the Material Property Data and Define Materials forms to close the forms. In that form: Verify that the Modulus of Elasticity is and Poisson s Ratio is 0.3.

Highlight the STEEL material and click the Modify/Show Material button to display the Material Property Data form. Click the Define menu > Materials command to display the Define Materials form. Click the X in the top right-hand corner of the 3-D View window to close it. Type 1 in the Number of Stories edit box. In that form: Select Portal in the 2D Frame Type drop-down list. Click the 2D Frame button to display the 2D Frames form. Click the drop-down list to set the units to. Click the File menu > New Model command to display the New Model form. Necati Catbas Prepared By: Jason Burkett (Tutorial adapted from SAP2000 manuals)ģ Demonstrated Features Mode Shapes Modal Time History Analysis (Periodic) Phase I: Pre-Processing 1. 1 University of Central Florida Department of Civil and Environmental Engineering SAP2000 (v.9) Tutorial of Modal Analysis CES 6209 Structural Dynamics Instructor: Dr.

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