I have another question to ask, whether point load can be applied in
deal.ii, according to the steps I have learned, I can only apply range load
temporarily
Best,
Nick
在2020年11月7日星期六 UTC+8 下午5:58:26<Nick Wang> 写道：
> Thanks, Bruno, I solve this problem with your help!
> I think I need to learn some more C++ ,
>
> Best wishes,
>
> Nick
> 在2020年11月6日星期五 UTC+8 下午10:44:25<bruno.t...@gmail.com> 写道：
>
>> Nick,
>>
>> You didn't declare print_mesh_info and you need to replace
>>
>> template <int dim>
>> void print_mesh_info(const Triangulation<dim>& triangulation, const
>> std::string& filename) {...}
>>
>> by
>> template <int dim>
>> void ElasticProblem<dim>::print_mesh_info(const Triangulation<dim>&
>> triangulation, const std::string& filename) {...}
>>
>> You have the same two problems with grid_1(). These are C++ problems
>> not deal.II, so I would advise you to read a few tutorials/books on
>> C++. I cannot debug your entire code for you.
>>
>> Best,
>>
>> Bruno
>>
>>
>> Le ven. 6 nov. 2020 à 03:04, Nick Wang <wjs641...@gmail.com> a écrit :
>> >
>> > Thanks, Bruno
>> > I try to end the fuction print_mesh_info() at line 107 and re-run the
>> step again, while it still errors that i can't understand.
>> >
>> > 2>step-8.obj: error LNK2019: Unresolved external symbol "private: void
>> __cdecl Step8::ElasticProblem<2>::print_mesh_info(void)"
>> (?print_mesh_info@?$ElasticProblem@$01@Step8@@AEAAXXZ) , The symbol is
>> referenced in the function "public: void __cdecl
>> Step8::ElasticProblem<2>::run(void)"
>> (?run@?$ElasticProblem@$01@Step8@@QEAAXXZ) 2>D:\dealii-9.2.
>> 0\dealii-9.2.0\examples\step-8d\Debug\step-8.exe: fatal error LNK1120: 1
>> unresolved external command
>> >
>> > Nick
>> > 在2020年11月6日星期五 UTC+8 上午6:14:01<bruno.t...@gmail.com> 写道：
>> >>
>> >> Hi,
>> >>
>> >> The function print_mesh_info() ends at line 269. It should end at line
>> 107.
>> >>
>> >> Best,
>> >>
>> >> Bruno
>> >>
>> >> On Wednesday, November 4, 2020 at 9:40:57 PM UTC-5 wjs641...@gmail.com
>> wrote:
>> >>>
>> >>> Okay, I re-run the program I wrote
>> >>> vs told me that ,what that mean?
>> >>>
>> >>> 2>step-8.obj: error LNK2019: Unresolved external symbol "public: void
>> __cdecl Step8::ElasticProblem<2>::run(void)"
>> (?run@?$ElasticProblem@$01@Step8@@QEAAXXZ) , The symbol is quoted in the
>> function main
>> 2>D:\dealii-9.2.0\dealii-9.2.0\examples\step-8a\Debug\step-8.exe: fatal
>> error LNK1120: 1 unresolved external command
>> >>> 在2020年11月4日星期三 UTC+8 上午11:09:17<Wolfgang Bangerth> 写道：
>> >>>>
>> >>>> On 11/3/20 7:33 PM, Nick Wang wrote:
>> >>>> >
>> >>>> > After I studied and understood the tutorials of step-8 and
>> step-49. I tried
>> >>>> > to use step-49 to import external grids to to calculate the force
>> condition
>> >>>> > and stress analysis,
>> >>>> > So I modified the statement of step8 grid generation,
>> >>>> > while failed...
>> >>>> > Did I make a mistake or are there other ways to finish the force
>> analysis
>> >>>> > from external grids?
>> >>>>
>> >>>> Help us understand what the error message is that you get. You
>> already have it
>> >>>> on your screen, but we would need to download your program, put it
>> somewhere,
>> >>>> compile it, maybe run it. It would take someone a couple of minutes
>> to do that
>> >>>> -- time we wouldn't have for answering someone else's problems.
>> >>>>
>> >>>> Best
>> >>>> WB
>> >>>>
>> >>>> --
>> >>>>
>> ------------------------------------------------------------------------
>> >>>> Wolfgang Bangerth email: bang...@colostate.edu
>> >>>> www: http://www.math.colostate.edu/~bangerth/
>> >>>>
>> > --
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>>
>
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