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-   -   Guide: Writing Equations in LaTeX on the CFD Online Forums (https://www.cfd-online.com/Forums/site-help-feedback-discussions/62625-guide-writing-equations-latex-cfd-online-forums.html)

pete June 16, 2015 13:52

I think that we found the bug in the forums and I hope that now LaTeX rendering should work on the forums. We are still having problems with LaTeX on CFD Wiki though.

Asghari_M May 22, 2018 11:32

\dot{q}={\left.k\frac{\partial{}T}{\partial{}n}\ri ght]}_g-{\left.k\frac{\partial{}T}{\partial{}n}\right]}_l

If the expressions aren't inserted in the math math , latex results will be Regretfully.

Asghari_M May 22, 2018 11:35

In the liquid gas interface

\dot{q}={\left.k\frac{\partial{}T}{\partial{}n}\right]}_g-{\left.k\frac{\partial{}T}{\partial{}n}\right]}_l   \ \ \ \ (eq.4)

u_{g,n}-u_{l,n}=\dot{m\ \ \ }(\frac{1}{{\rho{}}_g}-\frac{1}{{\rho{}}_l})\ \ \ \
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ (eq.2)
\dot{m}=\ -\frac{K}{L}\frac{\partial{}T}{\partial{}n}\ \ \ \ \

or\ \ \ \ \ \ \dot{m}=\
\frac{D_v{\rho{}}_g}{1-Y_v}\frac{\partial{}Y_v}{\partial{}n}\ \ \ \ \

\ \ \ \ \ \ or\ in\ some\ resources\ \ \ \ \ \ \dot{m}=\
\frac{D_v{\rho{}}_g}{1-Y_v}\frac{\partial{}Y_v}{\partial{}n}-\frac{K}{L}\frac{\partial{}T}{\partial{}n}\
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ (eq.3)

\left[[-\rho{}\textbf{U}\textbf{U}-p\textbf{n}+\mu{}(\nabla{}\textbf{U}+\nabla{}\textbf{U}^T)\right]]=\ \sigma{}\kappa{}\textbf{n}\ \ \
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ (eq.1)


P_{v,sat}=\frac{P_c{*T}_c}{T}*
\left[a*{\left(1-\frac{T}{T_c}\right)}^{1.5}+b*{\left(1-\frac{T}{T_c}\right)}^3+c*{\left(1-\frac{T}{T_c}\right)}^3+d*{\left(1-\frac{T}{T_c}\right)}^6\right]\
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\ \ \ \left(eq.5\right)\ in\ which,P_c\ \ \ and\ T_c\
are\ critical\ presure\ \&\ temperature,\ respectively.

Asghari_M May 26, 2018 10:36

Is the bold letters & fonts in Latex possible.?
 
Hi all,

Is it possible to use bold fonts in the Latex

Thanks for any answer.

jola May 26, 2018 10:49

Yes, google "latex bold equation" and you will find a lot of information. There are several LaTeX commands that you can use, like \textbf{foo} \mathbf{bar} and \boldsymbol{\alpha}}

Asghari_M May 26, 2018 14:45

Dear jola

Thanks a lot for your kind attentions and replies.

Surely, I will google "latex bold equation" or "how to bold the font at LATEX programing texts" and probably I'll represent the result at the forum.

All the best

Asghari_M May 26, 2018 15:42

Quote:

Originally Posted by Asghari_M (Post 693669)
Dear jola

Thanks a lot for your kind attentions and replies.

Surely, I will google "latex bold equation" or "how to bold the font at LATEX programing texts" and probably I'll represent the result at the forum.

All the best


Following relation is an example for making bold the fonts in math expressions:


\left[[-\rho{}\textbf{U}\textbf{U}-p\textbf{n}+\mu{}(\nabla{}\textbf{U}+\nabla{}\textbf{U}^T)\right]]=\ \sigma{}\kappa{}\textbf{n}\ \ \
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ (eq.1)

em17 September 12, 2018 08:52

a = \sqrt{\gamma R T} test

crestang February 17, 2020 08:43

Quote:

Originally Posted by DA6righthand (Post 550477)
Thanks! I ended up posting equations as images obtained from the online LaTeX editor on codecogs.com but I found out I can post a maximum of 10 images.

Very useful solution, thank you! Your profile is always in my bookmarks :)


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