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Understanding When to Take Advantage of Symmetry Using Ansys Mechanical — Lesson 3

In this lesson, we will show when to take advantage of symmetry. If the geometry, material orientation, loading, and expected response all exhibit symmetry about the same planes, we can take advantage of planar symmetry and only model a portion of the actual structure to reduce analysis run time and memory requirements. Using Symmetry Regions in Ansys Mechanical can give more accurate and more computationally efficient solutions. However, the Symmetry Region tool should not be used when all four symmetry requirements are not satisfied, such as in modal or linear buckling analyses where non-symmetric modes are needed to be calculated. // INTERESTED IN MORE? Visit Ansys Innovation Courses for free courses, including videos, handouts, simulation examples with starting files, homework problems and quizzes. Visit today → https://bit.ly/3Eo8esU // DOWNLOAD FREE ANSYS SOFTWARE Ansys offers free student product downloads for homework, capstone projects, student competitions, online learning and more! Download today → https://bit.ly/32eEcuR // QUESTIONS ABOUT THIS VIDEO OR USING ANSYS? Get help from Ansys experts and peers through the Ansys Learning Forum. Search for answers to common questions, browse discussion categories or ask your own question. Visit today → https://bit.ly/3qsytK2 // STAY IN THE LOOP Follow our Ansys Academic LinkedIn showcase page for updates on learning resources, events, job opportunities, cutting-edge simulation content and more! Follow today → https://bit.ly/3Bbaaow Chapters - 00:00 Introduction 02:11 General rule for a planar symmetry boundary condition 02:46 Defining the Symmetry Region for Planar Symmetry 04:46 Visual expansion of symmetry results to show a “full” model for the planar case 05:28 Understanding the conditions when Symmetry Region shouldn’t be used 08:55 How to Split bodies for symmetry in Ansys Discovery? 11:20 How to connect line bodies with solid bodies via Contact Region in Ansys Mechanical? 12:20 How to create and align local Coordinate Systems based on geometry? 13:21 How to create a Symmetry Region in Ansys Mechanical? 14:14 How to define Bolt Pretension load in Ansys Mechanical? 16:20 How to visually expand symmetry model results to show a “full” model for a sector?