updated figure legend

Author: simongravelle

lammps-tutorials.tex

@@ -1494,9 +1494,9 @@ \subsubsection{Unbreakable bonds}
 \includegraphics[width=\linewidth]{CNT-unbreakable-length-energy}
 \caption{a) Evolution of the length $L_\text{cnt}$ of the CNT with time,
 as simulated during \hyperref[carbon-nanotube-label]{Tutorial 2}.
-The CNT starts deforming at $t = 5\,\text{ps}$. b) Evolution of the total
-energy $E_\text{tot}$ of the system with time $t$. Here, the potential is OPLS-AA,
-and the CNT is unbreakable.}
+The CNT starts deforming at $t = 5\,\text{ps}$, and $L_\text{cnt-0}$ is the
+CNT initial length. b) Evolution of the total energy $E_\text{tot}$ of the system
+with time $t$. Here, the potential is OPLS-AA, and the CNT is unbreakable.}
 \label{fig:CNT-unbreakable-LE}
 \end{figure}
 
@@ -1537,7 +1537,7 @@ \subsubsection{Unbreakable bonds}
 \includegraphics[width=0.55\linewidth]{CNT-unbreakable-stress-strain}
 \caption{Stress applied on the CNT during deformation, $F_\text{cnt}/A_\text{cnt}$,
 where $F_\text{cnt}$ is the force and $A_\text{cnt}$ the CNT surface area,
-as a function of the strain, $(L_\text{cnt}-L_\text{cnt-0}/L_\text{cnt-0})$, where
+as a function of the strain, $\Delta L_\text{cnt} = (L_\text{cnt}-L_\text{cnt-0}/L_\text{cnt-0})$, where
 $L_\text{cnt}$ is the CNT length and $L_\text{cnt-0}$ the CNT initial length,
 as simulated during \hyperref[carbon-nanotube-label]{Tutorial 2}.
 Here, the potential is OPLS-AA, and the CNT is unbreakable.}
@@ -1662,7 +1662,7 @@ \subsubsection{Breakable bonds}
 \caption{a) Evolution of the total energy $E_\text{tot}$ of the CNT with time $t$.
 b) Stress applied on the CNT during deformation, $F_\text{cnt}/A_\text{cnt}$,
 where $F_\text{cnt}$ is the force and $A_\text{cnt}$ the CNT surface area,
-as a function of the strain, $(L_\text{cnt}-L_\text{cnt-0}/L_\text{cnt-0})$, where
+as a function of the strain, $\Delta L_\text{cnt} = (L_\text{cnt}-L_\text{cnt-0}/L_\text{cnt-0})$, where
 $L_\text{cnt}$ is the CNT length and $L_\text{cnt-0}$ the CNT initial length,
 as simulated during \hyperref[carbon-nanotube-label]{Tutorial 2}.
 Here, the potential is AIREBO, and the CNT is breakable.}