Ansys Mechanical can solve a variety of complex real-world mechanical problems. But how do you know about the accuracy of the solution? Is there a rule to decide the level of accuracy of the solution? In this video, we will answer these questions using Adaptive Convergence. It helps you get mesh-independent solutions such that the results don’t change noticeably with further mesh refinement. This can help you to define better mesh controls for future models to ensure numerical accuracy.
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00:00 - Intro
01:22 - Definition of Adaptive Convergence
02:08 - Definitions of Relative Accuracy and Relative Error
03:20 - Difference between Adaptive Convergence and Convergence in Solving a Nonlinear Problem
05:06 - Using Large Deflection
06:21 - Using Adaptive Convergence
07:47 - Defining Allowable Change for Adaptive Convergence
08:15 - Defining Refinement Depth
09:04 - Defining Max Refinement Loops
09:25 - Procedure for Adaptive Convergence
10:51 - Using Adaptive Convergence for Stress Results on a Specified Region
11:58 - Definition of Stress Singularities
12:21 - Resolving Stress Singularities for Adaptive Convergence
13:45 - Factors that Influence Analysis Accuracy