Practical Aspects of Finite Element Simulation - A Student

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The flexibility of a boundary should be included in the model if possible and the applied loads combined with the BCs should be in proper balance. Methods which can help to understand and select BCs and load cases are explained in the following sections. History Research the history of similar systems by: • Reading reports. • Discussing similar projects with design engineers. • Visiting test labs. • Physically inspecting the components in their operating environment. • Studying layout and detail drawings.

If interaction between the plate and the pin is to be investigated, a detailed and complex contact model would be required. A free body diagram of the system is shown in the following figure. Free Body Diagram for Clevis Support Plate and Attached Structure The above diagram only considers the effect of the P1 load case. The P2 load case would result in a horizontal component of force in the pin above the clevis and the plate at the attachment of the same pin. 49 Copy issued for: Sherif Semida Loads and Boundary Conditions Summary 1.

The analyst at the customer end was used to error free models being submitted by this CAE team over the years. He blindly started the analysis without checking the material properties. At a later stage in the design process, a big difference was noticed in the results of the current analysis and the previous one carried out for a similar model. After checking both the models carefully, the analyst realized the difference in the material properties. Please be careful before submitting your work and check it several times and then ask your colleague to check it as well.

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