Large deflection is one of the most important in analysis settings in ANSYS® Mechanical static structural and transient structural analyses. If you are expecting large deflections from your analyses, you need to turn on this option in ANSYS® Mechanical.
By default, large deflection is ‘Off’ mode in ANSYS® Structural analyses. If you turn the large deflection option ‘On’, you will face more solution time and more requirements of the computational source. So, a good estimation and evaluation of the structural system before building the ANSYS® analyses is very important.
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You need to assess the situation that if you are expecting any large deflections from your models.
How To Turn On And Off Large Deflections Option In ANSYS® Mechanical?
To turn on or off the large deflections in ANSYS® Mechanical, just click on ‘Analysis Settings’ just below the analysis, as shown by the red arrow.
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Beneath the ‘Solver Controls’, you can find out the ‘Large Deflections’ option. You can turn on or off the large deflections by using the drop-down menu as shown in the red box above.
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NOTE: All the screenshots and images are used for educational and informative purposes. Images used courtesy of ANSYS, Inc.
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