Intro1_M13_postprocessing

Intro1_M13_postprocessing - Postprocessing Chapter 13...

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Unformatted text preview: Postprocessing Chapter 13 February 7, 2006 Inventory #002268 13-2 INTRODUCTION TO ANSYS INTRODUCTION TO ANSYS INTRODUCTION TO ANSYS - Part 1 Part 1 Part 1 Training Manual • There are many ways to review results in the general postprocessor (POST1), some of which have already been covered. • In this chapter, we will explore two additional methods — query picking and path operations — and also introduce you to the concepts of results transformation, error estimation, and load case combination. Chapter 13 - Postprocessing Overview February 7, 2006 Inventory #002268 13-3 INTRODUCTION TO ANSYS INTRODUCTION TO ANSYS INTRODUCTION TO ANSYS - Part 1 Part 1 Part 1 Training Manual • Query picking allows you to “probe” the model for stresses, displacements, or other results quantities at any picked location. • You can also quickly locate the maximum and minimum values of the item being queried. • Available only through the GUI (no commands): – General Postproc > Query Results > Nodal or Element or Subgrid Solu – Choose a results quantity and press OK PowerGraphics OFF PowerGraphics ON Chapter 13 - Postprocessing A. Query Picking February 7, 2006 Inventory #002268 13-4 INTRODUCTION TO ANSYS INTRODUCTION TO ANSYS INTRODUCTION TO ANSYS - Part 1 Part 1 Part 1 Training Manual – Then pick any point in the model to see the results value at that point. • Min and Max will show the value at the minimum and maximum points. • Use Reset to clear all values and start over. • Notice that the entity number, its location, and the results value are also shown in the Picker. Automatically generate text annotation Chapter 13 - Postprocessing …Query Picking February 7, 2006 Inventory #002268 13-5 INTRODUCTION TO ANSYS INTRODUCTION TO ANSYS INTRODUCTION TO ANSYS - Part 1 Part 1 Part 1 Training Manual • Demo: – Continue from the last multi-load-step solution of rib.db – Plot SEQV for load step 1 – Query “Nodal Solu” SEQV at several locations, including MIN & MAX. (Switch to full graphics if needed.) – Switch to PowerGraphics and query “Subgrid Solu.” Chapter 13 - Postprocessing …Query Picking February 7, 2006 Inventory #002268 13-6 INTRODUCTION TO ANSYS INTRODUCTION TO ANSYS INTRODUCTION TO ANSYS - Part 1 Part 1 Part 1 Training Manual • All direction-dependent quantities that you view in POST1, such as component stresses, displacements, and reaction forces, are reported in the results coordinate system (RSYS). • RSYS defaults to 0 (global Cartesian). That is, POST1 transforms all results to global Cartesian by default, including results at “rotated” nodes. • But there are many situations — such as pressure vessels and spherical structures — where you need to check the results in a cylindrical, spherical, or other local coordinate system....
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Intro1_M13_postprocessing - Postprocessing Chapter 13...

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