Dear Jean-Paul,
Thank you for your reply. I tried with the second alternative you give me.
According to the example, contract<0,2> (t1, t2) , I modify the code as
follows:
PeFT = contract<2,2> (Pe[qs], F[qs]);
I interprete that PeFT is the result, Pe[qs] would be the tensor t1, and
F[qs] would be the tensor t2. Then index_1 == 2 belonging to Pe[qs], and
index_2 == 2 belonging to F[qs].
Please could you tell me if the modification I did is ok or not?.
Thanks for the help,
Joaquín
2016-12-15 2:16 GMT-04:00 Jean-Paul Pelteret <[email protected]>:
> Dear Joaquin,
>
> The warning appears because you are calling a function
> <https://dealii.org/8.4.1/doxygen/deal.II/classTensor.html#a24139ea4e2f83c058206632e21efcc9f>
> that is marked as deprecated, so although it remains in the library for now
> it will be removed in the near future.
>
> There are two alternate functions you can call if you would like to remove
> the warning right now. They are the normal "* operator"
> <https://dealii.org/8.4.1/doxygen/deal.II/classTensor.html#acff14b5a87224a20eb287ed06017c80f>
> (if
> contracting over the inner two indices of the tensors) and the general
> contract
> <https://dealii.org/8.4.1/doxygen/deal.II/classTensor.html#a0923600f30b498c743cbef3d2eab4993>
> function that takes in two tensors and returns the result. The indices over
> which the contract function operates are specified as template parameters.
> You can see an example of how to use it in the function documentation.
>
> I hope that this helps you.
> Jean-Paul
>
>
> On Thursday, December 15, 2016 at 12:06:16 AM UTC+1, Joaquin wrote:
>>
>> Dear all,
>>
>> I am trying to run the IFEM code on FSI problems, developed by Luca
>> Heltai. I am using deal.II 8.4.1. I edited some parts of the code due to
>> warnings because it is considered deprecated for the version I am using. I
>> stopped when warning appears for line 1038:
>>
>> 1037 if((!par.semi_implicit) || (!par.use_spread))
>> *1038 contract (PeFT, Pe[qs], 2, F[qs], 2); *
>>
>> The warning I see is as follows:
>>
>> jomivalen@Nalia ~/ifem/ans-ifem $ make
>> Scanning dependencies of target ifem
>> [ 25%] Building CXX object CMakeFiles/ifem.dir/source/immersed_fem.cc.o
>> /home/jomivalen/ifem/ans-ifem/source/immersed_fem.cc: In instantiation
>> of ‘void
>> ImmersedFEM<dim>::residual_and_or_Jacobian(dealii::BlockVector<double>&,
>> dealii::BlockSparseMatrix<double>&, const dealii::BlockVector<double>&,
>> const dealii::BlockVector<double>&, double, double) [with int dim = 2]’:
>> /home/jomivalen/ifem/ans-ifem/source/immersed_fem.cc:2046:16: required
>> from here
>> /home/jomivalen/ifem/ans-ifem/source/immersed_fem.cc:1038:44: warning:
>> ‘void dealii::contract(dealii::Tensor<2, dim, Number>&, const
>> dealii::Tensor<2, dim, Number>&, unsigned int, const dealii::Tensor<2, dim,
>> Number>&, unsigned int) [with int dim = 2; Number = double]’ is deprecated
>> (declared at
>> /home/jomivalen/cfem/dealii/include/deal.II/base/tensor_deprecated.h:262)
>> [-Wdeprecated-declarations]
>> contract (PeFT, Pe[qs], 2, F[qs], 2); // contract (PeFT,
>> Pe[qs], 2, F[qs], 2);
>> ^
>>
>> I don't know how to actualize the contract function despite having seen
>> the indications in the file "tensor.h".
>>
>> Thanks for any help,
>> Joaquín
>>
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--
Joaquin Valencia
Graduate Student
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