TAILIEUCHUNG - Catia V5 FEA Tutorials

In this tutorial, a solid FEA model of a bent rod experiencing a combined load is created. No planes of symmetry exist and therefore simplifications cannot be made. Finally, the significance of the von Mises stress in design equation is discussed. 1 Problem Statement Copyrighted Material Clamped end The bent rod, shown to the right, is clamped at one end and subjected to a load of 2000 lb as displayed. The steel rod has a Young modulus of 30E+6 psi and Poisson ratio . The nominal dimensions of the rod are also displayed below. Although this problem is more efficiently handled with beam. | CATIA V5 FEA Tutorials Releases 12 13 Nader G. Zamani University of Windsor SDC PUBLICATIONS Schroff Development Corporation 2-1 Tai lieu chi xem duoc mot so trang dau. Vui long download file goc de xem toan bo cac trang CATIA V5 FEA Tutorials Chapter 2 Analysis of a Bent Rod with Solid Elements 2-2 CATIA V5 FEA Tutorials Introduction In this tutorial a solid FEA model of a bent rod experiencing a combined load is created. No planes of symmetry exist and therefore simplifications cannot be made. Finally the significance of the von Mises stress in design equation is discussed. 1 Problem Statement The bent rod shown to the right is clamped at one end and subjected to a load of 2000 lb as displayed. The steel rod has a Young modulus of 30E 6 psi and Poisson ratio . The nominal dimensions of the rod are also displayed below. Although this problem is more efficiently handled with beam elements we propose to use solid elements. There are two types of solid elements available in CATIA V5 linear and parabolic. Both are referred to as tetrahedron elements and shown below. Clamped end Tetrahedron Elements The linear tetrahedron elements are faster computationally but less accurate. On the other hand the parabolic elements require more computational resources but lead to more accurate results. Another important feature of parabolic elements is that they can fit curved surfaces better. In general the analysis of bulky objects requires the use of solid elements. 2 Creation of the Part in Mechanical Design Solutions Enter the Part Design workbench which can be achieved by different means depending on your CATIA customization. For example from the standard windows toolbar select File New I. From the box shown on the right select Part. This moves you to the part design workbench and creates a part with the default name . M HaiC

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