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Numbers 1,2,3,4,5,6 will appear with the arrows to show that all 6 of the dof are constrained there) 5. The loads are specified next: (Continuing on in the Load/BC's RM) change Action = Create Object = Force Type = Nodal Change the New Set Name to r_point Click Input Data... e. blank) Click OK (Continuing on in the Load/BC's RM) Click Select Application Region a small Patran select menu appears to the left edge of the RM Click in this Patran select menu on the point icon In the main viewport, click on the point 4 (top right corner of the beam) A SM called Selection Choices menu appears.

Click Apply Click OK (if a menu asks if you wish to over write say YES) Click Cancel Back in the Input Properties Menu, click OK Back in the Properties RM Click in the Select Members box Choose the 4 legs and the 2 uprights (this is 6 curves and all the vertical members) Click Add Click Apply Now we’ll create the properties for the horizontal members. 125 wall thickness. In this case it is critical that the large dimension of the cross section be oriented to provide the max bending moment of inertia “I” , so the larger (2 in) dimension must be the vertical dimension of the cross section.

Create the arc between points 4, 5 and 6 using the 2d arc3point option. Now create 3 surfaces. The instructions will use the curve numbers in the picture below. Please substitute the curve numbers form the curves you created. Create the first surface between the curves 1,2,5 and 10 using the Create/Surface/Edge command. Create the 2nd surface between the curves 7, 10, 6 and 9 and the 3rd surface between the curves 3, 9, 4, and 8. Now create solids of thickness 3 (in the Z direction) from each of the 3 surfaces using the Create/Solid/Extrude command.

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Finite Element Analysis Using MSC-Patran-Nastran

by Joseph

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