Tài liệu Edu cat en gpe fx v5r19 toprint

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Generative Part Structural Analysis Expert CATIA V5 Training Exercises Copyright DASSAULT SYSTEMES Generative Part Structural Analysis Expert Copyright DASSAULT SYSTEMES Version 5 Release 19 September 2008 EDU_CAT_EN_GPE_FX_V5R19 Student Notes: Generative Part Structural Analysis Expert Student Notes: Table of Contents Advanced Pre-Processing Recap Exercise Do it Yourself Results Visualization Recap Exercise Do it Yourself Master Exercise: Frequency Analysis Copyright DASSAULT SYSTEMES Crank Shaft Frequency Analysis: Presentation Frequency Analysis on a Crank Shaft (1): Pre-Processing Frequency Analysis on a Crank Shaft (2): Computation Frequency Analysis on a Crank Shaft (3): Visualizing the Resu... Copyright DASSAULT SYSTEMES 3 4 6 7 8 9 12 14 16 Generative Part Structural Analysis Expert Exercise ‘Pre-Processing’ Recap Exercise 20 min. In this exercise you will practice different tools that you have seen in the pre-Processing lesson. You will : Copyright DASSAULT SYSTEMES Define a Virtual Part Define the Restraints Apply two different types of Loads: An Acceleration A Force Density Copyright DASSAULT SYSTEMES Student Notes: Generative Part Structural Analysis Expert Student Notes: Do It Yourself (1/2) Load: Recap_Exercise_1_startup.CATAnalysis Define a contact virtual part between the bottom surface of the hanger and the vertex below. Apply a clearance of 1mm. Clamp the vertex Copyright DASSAULT SYSTEMES Apply ‘User-defined Restraint’ on the highlighted surface: Restrain all three translations Restrain ‘rotation 1’ Select mesh named ‘Mesh to work with’ Copyright DASSAULT SYSTEMES vertex Generative Part Structural Analysis Expert Do It Yourself (2/2) Copyright DASSAULT SYSTEMES Apply Loads: Apply an acceleration = – 9.8m/s2 on Z direction Apply a Vector Force = – 5000N on Z direction Select mesh named ‘Mesh to work with’ Copyright DASSAULT SYSTEMES Student Notes: Generative Part Structural Analysis Expert Exercise ‘Results Visualization’ Recap Exercise 10 min. In this exercise you will use different visualization tools to view the analysis results that you have computed in the previously recap exercise. You will: Copyright DASSAULT SYSTEMES Visualize the Principal Stress Visualize the Precision Plot Use the Cut Plane Analysis tool Copyright DASSAULT SYSTEMES Student Notes: Generative Part Structural Analysis Expert Do It Yourself… Load: Results_Visualization_recap.CATAnalysis Display Principal Stress Image Display Precision Image Copyright DASSAULT SYSTEMES Use Cut Plane Section for both images Check the Clipping option in Cut Plane Analysis Copyright DASSAULT SYSTEMES Student Notes: Generative Part Structural Analysis Expert Master Exercise: Frequency Analysis You will practice concepts learned throughout the course by building the master exercise and following the recommended process Copyright DASSAULT SYSTEMES Crank Shaft Frequency Analysis: Presentation Frequency Analysis on a Crank Shaft (1): Pre-Processing Frequency Analysis on a Crank Shaft (2): Computation Frequency Analysis on a Crank Shaft (3): Visualizing the Results Copyright DASSAULT SYSTEMES Student Notes: Generative Part Structural Analysis Expert Exercise Frequency Analysis: Presentation P2 Exercises marked with this callout will work in P2 configuration only 30 min In this exercise you will run a frequency analysis on a Crank Shaft. You will: Copyright DASSAULT SYSTEMES Define the Distributed Mass. Compute the Analysis. Visualize the modal frequencies and their associated deformation tendencies Copyright DASSAULT SYSTEMES Student Notes: Generative Part Structural Analysis Expert Design Intent: Frequency Analysis on a Crank Shaft Copyright DASSAULT SYSTEMES You will perform the free frequency Analysis of crank shaft with flywheel mass. A Frequency Analysis allows to know the modal frequencies of a part whether it is free or restrained. The flywheel is modeled using virtual parts on both sides of and mass is applied on virtual parts. No restraint is applied to the crank shaft. This analysis type is called ‘Free Frequency Analysis’. Copyright DASSAULT SYSTEMES Student Notes: Generative Part Structural Analysis Expert Design Process: Frequency Analysis on a Crank Shaft 1 Analysis Pre-Processing Copyright DASSAULT SYSTEMES 2 Copyright DASSAULT SYSTEMES 3 Modal Frequencies Visualization Analysis Computation Student Notes: Generative Part Structural Analysis Expert Exercise Frequency Analysis on a Crank Shaft (Step1): Pre-Processing 15 min Copyright DASSAULT SYSTEMES Objectives: Define the distributed mass Copyright DASSAULT SYSTEMES Student Notes: Generative Part Structural Analysis Expert Do it Yourself Copyright DASSAULT SYSTEMES Load: catgps_crank_shaft.CATPart Define Distributed Mass. Enter the GPS workbench and insert a Free Frequency Analysis Apply Rigid Virtual Part on both sides of crankshaft. The mass of the flywheel and the damper geometry must be taken into account: Apply 2kg mass equipment, on both ends using virtual part as support. (2Kg mass on each virtual part) The flywheel and damper gravity centers are represented and have to be used as part handler points. Copyright DASSAULT SYSTEMES Student Notes: Generative Part Structural Analysis Expert Exercise Frequency Analysis on a Crank Shaft (Step2): Computation 5 min Objective: Copyright DASSAULT SYSTEMES Compute the frequency analysis Copyright DASSAULT SYSTEMES Student Notes: Generative Part Structural Analysis Expert Do It Yourself Edit the computation parameters and ask for 11 modes Double-click ‘Frequency Case Solution’ Copyright DASSAULT SYSTEMES Compute the frequency analysis Copyright DASSAULT SYSTEMES Student Notes: Generative Part Structural Analysis Expert Exercise Frequency Analysis on a Crank Shaft (Step3): Results 10 min Objective: Copyright DASSAULT SYSTEMES Look at the different deformations tendencies for the 5 last modal frequencies Copyright DASSAULT SYSTEMES Student Notes: Generative Part Structural Analysis Expert Do It Yourself Display the deformed mesh for 7th- 11th modal frequencies Copyright DASSAULT SYSTEMES Watch the animation Copyright DASSAULT SYSTEMES Student Notes:
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