Yes. I was doing wrong. Now I have corrected it. Thank you for your suggestion.
Thanks Deepika On Thu, Dec 29, 2022 at 4:57 AM Wolfgang Bangerth <[email protected]> wrote: > > Deepika -- what you have tried already to find out what is going on? Have > you > looked at the object that is filled by > DoFTools::make_periodicity_constraints() to see whether the constraints > placed > in there are correct, for example? And are you applying the constraints? > In > your code snippet, the 'constraint's object is filled by the called to > make_periodicity_constrains(), but then comes the closing } and the > constraints object is destroyed without you ever doing anything with it. > > Best > W. > > On 12/26/22 21:37, Deepika Kushwah wrote: > > *** Caution: EXTERNAL Sender *** > > > > Hello Everyone, > > > > I am trying to apply PBC for an elasticity problem. I have already > checked > > tutorial step 45..I tried to implement that procedure (step-45) in my > code, > > but I am not getting any difference in results with and without PBC (I > am > > applying PBC on left(1) and right(2) in x direction see fig). I am > attaching > > here the fig in which the left(1), right(2), bottom(3), top(4) are the > > boundary_indicators and also the piece of code. > > I think there is some issue with the > DoFTools::make_periodicity_constraints() > > < > https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.dealii.org%2Fcurrent%2Fdoxygen%2Fdeal.II%2FnamespaceDoFTools.html%23a929249499b1e5624728d212e90a8e037&data=05%7C01%7CWolfgang.Bangerth%40colostate.edu%7C9173f58905d940ef0a1508dae7c42dbc%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C638077128203671970%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=xGi8tbTwSTM9DXh0dmM%2Ba3W6ENzkIy64Jg91G%2FzF35o%3D&reserved=0> > only, > please help me to resolve this issue. > > > > > > fig.png > > image.png > > image.png > > The above results are the same in both cases. That means maybe PBC is > not > > applied here. But what to do so that I can see the result with PBC? > Should I > > change the displacement boundary conditions which are already applied? > > > > > > Thanks & Regards, > > Deepika > > > > > ************************************************************************** > > This e-mail is for the sole use of the intended recipient(s) and may > > contain confidential and privileged information. If you are not the > > intended recipient, please contact the sender by reply e-mail and destroy > > all copies and the original message. 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