% ==============================================================
% REVISED IUTAM SYMPOSIUM ABSTRACT TEMPLATE
% Features: 
%   - Automated check to ensure abstract stays on 1 page.
%   - Optimized spacing to maximize content room.
%   - Times New Roman font style.
% ==============================================================

\documentclass[12pt,a4paper]{article}

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% Packages & Formatting
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\usepackage{geometry}
\geometry{
    top=5mm,
    bottom=10mm,
    left=25mm,
    right=25mm,
    nohead, nofoot % Removes header/footer space to maximize text area
}
\usepackage{mathptmx} % Times New Roman font style
\usepackage{setspace}
\usepackage{amsmath}
\usepackage{graphicx}

% --- AUTOMATED PAGE LIMIT CHECK ---
% This code triggers a compiler error if the abstract exceeds 1 page.
% Remove or comment out the next 3 lines if you need to draft a longer version.
\usepackage{atbegshi}
\AtBeginDocument{\AtBeginShipout{\ifnum\value{page}>2
	  \ClassError{article}{ABSTRACT EXCEEDS TWO PAGE}{Please reduce the text so that it fits within two pages.}
\fi}}

% --------------------------------------------------------------
% Document Start
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\begin{document}
\begin{center}
\includegraphics[width=0.8\textwidth]{figs/IUTAM2006_header.png}\\
% --- TITLE ---
% Use \vspace{-0.5em} if you need to squeeze the title upwards.
{\large\bfseries 
Title of the Abstract
\\[0.5em]
}
% --- AUTHORS ---
{\centering
Author A. First$^{1}$, Author B. Second$^{2,\#}$, Author C. Third$^{1,*}$\\[0.3em]
}
% --- AFFILIATIONS ---
{\small \itshape
 $^{1}$Department of Mechanical Engineering, University of Example, City, Country\\
 $^{2}$Institute of Applied Mechanics, Another University, City, Country\\[0.2em]
}
% --- CORRESPONDING and PRESENTING AUTHORS ---
{\footnotesize
 $^{*}$Corresponding author: \texttt{author.email@university.edu}\\[0em]
 $^{\#}$Presenting author: \texttt{author.email@university.edu}\\[0em]
}
\end{center}
% --- ABSTRACT BODY ---
%\noindent \textbf{Abstract.} 
\subsubsection*{Abstract} \small
Start the text of your abstract here. The abstract should summarize the objectives, methods, key results, and conclusions of your work. It should be concise and informative. 
\newline
Please ensure that the entire abstract (including title, authors, affiliations, references, and figures) fits within two pages. 
\newline 
Please create a PDF file, name it as \textbf{lastname-IUTAM2026IITR.pdf} and upload the PDF file of your abstract via the Abstract Submission Portal.
\newline
Figures and references are optional but must fit within the one-page limit. \textit{Do not exceed the bottom/side margins. The automated check at the top of this file will warn you if you go over.}
\newline
If mathematical equations are required, they can be included as shown below:
\begin{gather}
    \nabla \cdot \sigma + \mathbf{f} = \rho \frac{\partial^2 \mathbf{u}}{\partial t^2}
\end{gather}
\begin{figure}[h]
\centering\includegraphics[width=0.5\textwidth]{figs/instab.png}
\caption{\footnotesize Caption}
\end{figure}

% WORD COUNT TIP:
% If using Overleaf, click the "Word Count" button in the menu.
% If using command line, run: texcount -inc -total abstract.tex

% --- REFERENCES (Compact Style) ---
% Use a compact manual format to save space.
\vspace{-0.5em}\subsubsection*{References}\vspace{-0.5em}
\begin{enumerate}\setlength\itemsep{-0.5em}\small
\item Smith, J. and Doe, A. (2023). Title of the paper. \textit{Journal of Mechanics}, 10(2): 100--110.
\end{enumerate}
\end{document}