Math & Science ⇒ Split a long Equation with common curly Braces

[Achoos]

Sir,
I have a problem with writing the equation. The equation that I have pasted below is very long.I want the first equation(e34a) after dw^2/dx^2 to be split in two lines with a common curly brace for the equation in two lines. My code is '\begin{subequations}\label{e34}
The Normal Stress are given by
\begin{align}
q = & \overline{C}_1\overline{C}_3\overline{C}_5\dfrac{\alpha^{*}k_s w}{U\big(1+\alpha^{*}k_s(\frac{w}{q_u})\big)}- \dfrac{\partial^{2}w}{\partial x^{2}}\Bigg(G_1 H_1+\overline{C}_2(T_p+T_1)\cos\theta+G_2 H_2\overline{C}_1 \label{e34a}\\
&+ G_3 H_3 \overline{C}_1 \overline{C}_3+G_4 H_4 \overline{C}_1 \overline{C}_3\overline{C}_5+ \overline{C}_1\overline{C}_4(T_p+T_2)\cos\theta+
\overline{C}_1\overline{C}_3\overline{C}_6(T_p+T_3)\cos\theta\Bigg)\nonumber\\
\intertext{The Mobilised Tension for top reinforcement is}
\frac{\partial T_1}{\partial x} = & -\Bigg(q+G_1H_1\frac{\partial^{2}w}{\partial x^{2}}\Bigg)\ \overline{D}_1
- \Bigg(\overline{C}_3\overline{C}_5\dfrac{\alpha^{*}k_s w}{U\big(1+\alpha^{*}k_s(\frac{w}{q_u})\big)} - A_1 \frac{\partial^{2}w}{\partial x^{2}}\Bigg)\ \overline{D}_2\\
\intertext{The Mobilised Tension for middle reinforcement is}
\frac{\partial T_2}{\partial x} = & -\Bigg(\frac{1}{\overline{C}_1} \Big(q+A_2\frac{\partial^{2}w}{\partial x^{2}} \Big) +G_2 H_2\frac{\partial^{2}w}{\partial x^{2}} \Bigg)\ \overline{D}_3 \label{e34c} \\
& - \Bigg( \overline{C}_5 \dfrac{\alpha^{*}k_s w}{U\big(1+\alpha^{*}k_s(\frac{w}{q_u})\big)} - A_3 \frac{\partial^{2}w}{\partial x^{2}} \Bigg)\ \overline{D}_4 \nonumber
Sir, thank you very much for your reply. It helped me a lot.But I have a problem again. The equation that I have pasted below is very long.I want the first equation(e34a) after dw^2/dx^2 to be split in two lines with a common curly brace for the equation in two lines. My code is '\begin{subequations}\label{e34}
The Normal Stress are given by
\begin{align}
q = & \overline{C}_1\overline{C}_3\overline{C}_5\dfrac{\alpha^{*}k_s w}{U\big(1+\alpha^{*}k_s(\frac{w}{q_u})\big)}- \dfrac{\partial^{2}w}{\partial x^{2}}\Bigg(G_1 H_1+\overline{C}_2(T_p+T_1)\cos\theta+G_2 H_2\overline{C}_1 \label{e34a}\\
&+ G_3 H_3 \overline{C}_1 \overline{C}_3+G_4 H_4 \overline{C}_1 \overline{C}_3\overline{C}_5+ \overline{C}_1\overline{C}_4(T_p+T_2)\cos\theta+
\overline{C}_1\overline{C}_3\overline{C}_6(T_p+T_3)\cos\theta\Bigg)\nonumber\\
\intertext{The Mobilised Tension for top reinforcement is}
\frac{\partial T_1}{\partial x} = & -\Bigg(q+G_1H_1\frac{\partial^{2}w}{\partial x^{2}}\Bigg)\ \overline{D}_1
- \Bigg(\overline{C}_3\overline{C}_5\dfrac{\alpha^{*}k_s w}{U\big(1+\alpha^{*}k_s(\frac{w}{q_u})\big)} - A_1 \frac{\partial^{2}w}{\partial x^{2}}\Bigg)\ \overline{D}_2\\
\intertext{The Mobilised Tension for middle reinforcement is}
\frac{\partial T_2}{\partial x} = & -\Bigg(\frac{1}{\overline{C}_1} \Big(q+A_2\frac{\partial^{2}w}{\partial x^{2}} \Big) +G_2 H_2\frac{\partial^{2}w}{\partial x^{2}} \Bigg)\ \overline{D}_3 \label{e34c} \\
& - \Bigg( \overline{C}_5 \dfrac{\alpha^{*}k_s w}{U\big(1+\alpha^{*}k_s(\frac{w}{q_u})\big)} - A_3 \frac{\partial^{2}w}{\partial x^{2}} \Bigg)\ \overline{D}_4 \nonumber
\intertext{The Mobilised Tension for bottom reinforcement is}
\frac{\partial T_3}{\partial x} = & -\Biggl(\frac{1}{\overline{C}_3}\Bigg(\frac{1}{\overline{C}_1}\Big(q+A_2\frac{\partial^{2}w}{\partial x^{2}} \Big)+A_4\frac{\partial^{2}w}{\partial x^{2}}\Bigg)+G_3 H_3\frac{\partial^{2}w}{\partial x^{2}} \Biggl)\ \overline{D}_5 \label{e34d} \\
& - \Bigg( \dfrac{\alpha^{*}k_s w}{U\big(1+\alpha^{*}k_s(\frac{w}{q_u})\big)} - G_4H_4 \frac{\partial^{2}w}{\partial x^{2}} \Bigg)\ \overline{D}_6 \nonumber
\end{align}
\end{subequations}'
\end{align}
\end{subequations}'
Please help me with the same.

[localghost]

Please provide a true minimal example that shows the problem, is reduced to only the relevant code and that is compilable out of the box. Your code snippet seems to contain answers from another question and many parts are redundant. And please use the code environment for tagging code. It makes your post much more legible, thus it increases your chance for good answers.


Thorsten

[Achoos]

This is the whole code. I am writing a thesis.

\documentclass[11pt,a4paper,oneside]{report}
\usepackage{graphicx,amsmath,amssymb,float,color,verbatim}
\usepackage[a4paper,top=2.5cm,left=3.5cm,right=2.5cm,bottom=2.5cm]{geometry}
\begin{document}
\begin{subequations}\label{e34}
The Normal Stress are given by
\begin{align}
q = & \overline{C}_1\overline{C}_3\overline{C}_5\dfrac{\alpha^{*}k_s w}{U\big(1+\alpha^{*}k_s(\frac{w}{q_u})\big)}- \dfrac{\partial^{2}w}{\partial x^{2}}\Bigg(G_1 H_1+\overline{C}_2(T_p+T_1)\cos\theta+G_2 H_2\overline{C}_1 \label{e34a}\\
&+ G_3 H_3 \overline{C}_1 \overline{C}_3+G_4 H_4 \overline{C}_1 \overline{C}_3\overline{C}_5+ \overline{C}_1\overline{C}_4(T_p+T_2)\cos\theta+
\overline{C}_1\overline{C}_3\overline{C}_6(T_p+T_3)\cos\theta\Bigg)\nonumber\\
\intertext{The Mobilised Tension for top reinforcement is}
\frac{\partial T_1}{\partial x} = & -\Bigg(q+G_1H_1\frac{\partial^{2}w}{\partial x^{2}}\Bigg)\ \overline{D}_1
- \Bigg(\overline{C}_3\overline{C}_5\dfrac{\alpha^{*}k_s w}{U\big(1+\alpha^{*}k_s(\frac{w}{q_u})\big)} - A_1 \frac{\partial^{2}w}{\partial x^{2}}\Bigg)\ \overline{D}_2\\
\intertext{The Mobilised Tension for middle reinforcement is}
\frac{\partial T_2}{\partial x} = & -\Bigg(\frac{1}{\overline{C}_1} \Big(q+A_2\frac{\partial^{2}w}{\partial x^{2}} \Big) +G_2 H_2\frac{\partial^{2}w}{\partial x^{2}} \Bigg)\ \overline{D}_3 \label{e34c} \\
& - \Bigg( \overline{C}_5 \dfrac{\alpha^{*}k_s w}{U\big(1+\alpha^{*}k_s(\frac{w}{q_u})\big)} - A_3 \frac{\partial^{2}w}{\partial x^{2}} \Bigg)\ \overline{D}_4 \nonumber
\intertext{The Mobilised Tension for bottom reinforcement is}
\frac{\partial T_3}{\partial x} = & -\Biggl(\frac{1}{\overline{C}_3}\Bigg(\frac{1}{\overline{C}_1}\Big(q+A_2\frac{\partial^{2}w}{\partial x^{2}} \Big)+A_4\frac{\partial^{2}w}{\partial x^{2}}\Bigg)+G_3 H_3\frac{\partial^{2}w}{\partial x^{2}} \Biggl)\ \overline{D}_5 \label{e34d} \\
& - \Bigg( \dfrac{\alpha^{*}k_s w}{U\big(1+\alpha^{*}k_s(\frac{w}{q_u})\big)} - G_4H_4 \frac{\partial^{2}w}{\partial x^{2}} \Bigg)\ \overline{D}_6 \nonumber
\end{align}
\end{subequations}
\end{document}

[localghost]

It would be very kind if you mention when doing a crossposting [1]*. This is only fair because it prevents others from double efforts and waste of time.

And it would also be very kind if you meet the request for tagging code as such by using the »Code« environment of the forum software.

* According to the rules you are obliged to do so.

[1] {TeX} SE — Splitting a long equation with a curly brace for the equations in two lines


Best regards and welcome to the board
Thorsten