[DuMuX] Task 329: Suspicious calculation in air's gasViscosity

2016-09-15 Thread DuMuX
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A new Flyspray task has been opened.  Details are below. 

User who did this - Christoph Grüninger (gruenich) 

Attached to Project - DuMuX
Summary - Suspicious calculation in air's gasViscosity
Task Type - Bug Report
Category - Material framwork
Status - New
Assigned To - 
Operating System - Unspecified
Severity - High
Priority - Normal
Reported Version - 2.9
Due in Version - 2.10
Due Date - Undecided
Details - in dumux/material/components/air.hh:134 the dipole moment is set to 
0. This leads to a pointless (probably optimized away) calculation of mu_r4. 
Either we remove the computation or fix the value of the dipole moment.

This error is with us since the initial creation of the file in 2012…

Code excerpt:
const Scalar dipole = 0.0; // dipole moment [debye]

Scalar mu_r4 = 131.3 * dipole / std::sqrt(Vc * Tc);
mu_r4 *= mu_r4;
mu_r4 *= mu_r4;

Scalar Fc = 1 - 0.2756*omega + 0.059035*mu_r4;

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http://www.dumux.org/flyspray/index.php?do=details_id=329

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[DuMuX] Task 280: Does 2pnc replaces 2p2c

2016-09-15 Thread DuMuX
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The following task has a new comment added:

FS#280 - Does 2pnc replaces 2p2c
User who did this - Johannes Hommel (Joh_Ho)

--
I think during the discussion in July, we did not think about the performance. 

I agree that we should test the performance before we make a final decision.
--

More information can be found at the following URL:
http://www.dumux.org/flyspray/index.php?do=details_id=280#comment711

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Re: [DuMuX] DuMuX with Eclipse

2016-09-15 Thread Gergely Schmidt

Hello Bernd,

thank You very much for the fast and structured reply!

Building with dunecontrol from a terminal without generator options and 
importing the code as Makefile Project into Eclipse without Project 
Files works fine, but Eclipse misses some information, e.g. it cannot 
resolve some function names, the Make Targets are not read automatically 
from the Makefiles and maybe it cannot even show the source code during 
debugging(?). Fortunately, Christophs solution worked and after I added


-G\"Eclipse CDT4 - Unix Makefiles\" \
-D CMAKE_BUILD_TYPE=Debug \

to my Option File the Project Files were created (the 2nd line is only 
needed for using the Eclipse Debugger). In the future, I will still use 
dunecontrol (with generator) from a terminal for setting up the build 
system.


With kind regards
Gergő


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