Turning off the large deflection option in ANSYS Workbench during simulations that inherently involve large deflections can lead to inaccurate results. The large deflection feature allows ANSYS to account for changes in stiffness resulting from shape alterations in the simulated parts. Without this feature, the simulation may not fail outright, but the solution will likely be incorrect, particularly in scenarios like a loaded fishing rod where significant deformation occurs.
PREREQUISITESMechanical engineers, simulation analysts, and anyone involved in structural analysis using ANSYS Workbench who needs to understand the impact of large deflection on simulation accuracy.
PADT Inc. said:In simple terms the inclusion of large deflection means that ANSYS accounts for changes in stiffness due to changes in shape of the parts you are simulating. The classic case to consider is the loaded fishing rod.