step-54 not working

[Mohammed Hassan]

Hello everyone!

I am fairly new user of Deal.ii,  I have started to follow the tutorial as it recommend in the diagram until I reached tutorial "step-54" which did not work for me, at the beginning the error was related to OpenCascade package bellow a details of what I did:

1- I created a folder "FEA" inside it I downloaded the source file (dealii-9.1.1) and I extract it and I created two empty  folders named it "build" and "Opencascade" , so now I have three folders inside the main folder "FEA" they are "dealii-9.1.1", "build" and "Opencascad".

2- I followed instructions shown in the following link https://www.dealii.org/current/external-libs/opencascade.html to compile opencascade. this steps I did it inside the "Opencascade" folder.

3- Then I did " >> cd ../build/ " folder to start compiling Dealii-9.1.1. I used the following command:

>>cmake -DDEAL_II_WITH_OPENCASCADE=ON -DOPENCASCADE_DIR=~/OpenCascade/build ../dealii-9.1.1/

then I called

>> make --jobs=4 install

Hoping this was the right approach I moved to tutorial step-54 to test it and I got the following error in the terminal "shown in error.png "

[Bruno Turcksin]

Hi,

This looks like a bug in the tutorial. All the cout and endl in that part of the main are missing std:: I don't know how it ever compiled before. Sorry about that.

Best,

Bruo

[Bruno Turcksin]

I have created a PR https://github.com/dealii/dealii/pull/9016 Thanks
for reporting the bug!

Best,

Bruno

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