\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{MostAncientDream} \pdfinfo{ /Title (alvl-p2-shm-ch11.pdf) /Creator (Cheatography) /Author (MostAncientDream) /Subject (Alvl P2: SHM (ch11) Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{B81111} \definecolor{LightBackground}{HTML}{FAF0F0} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Alvl P2: SHM (ch11) Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{MostAncientDream} via \textcolor{DarkBackground}{\uline{cheatography.com/168994/cs/42401/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}MostAncientDream \\ \uline{cheatography.com/mostancientdream} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Not Yet Published.\\ Updated 15th February, 2024.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{multicols*}{2} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{basics}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{conditions: \newline % Row Count 1 (+ 1) - force/acceleration is proportional to and in the opposite direction to the displacement \newline % Row Count 3 (+ 2) a = w\textasciicircum{}2\textasciicircum{}x \newline % Row Count 4 (+ 1) \textgreater{} amplitude: max displacement from equilibrium \newline % Row Count 5 (+ 1) a max = w\textasciicircum{}2\textasciicircum{}A \newline % Row Count 6 (+ 1) \textgreater{} displacement at any point: \newline % Row Count 7 (+ 1) x = Acos(2pi.ft) (rads) \newline % Row Count 8 (+ 1) \textgreater{} velocity at any point: \newline % Row Count 9 (+ 1) v = +- 2pi.f(A\textasciicircum{}2\textasciicircum{}-x\textasciicircum{}2\textasciicircum{})\textasciicircum{}1/2\textasciicircum{} \newline % Row Count 10 (+ 1) v max = 2pi.fA = wA (at equilibrium)% Row Count 11 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{resonance and vibrations}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{when frequency of external driving force F matches natural frequency \newline % Row Count 2 (+ 2) it is 90' out of phase with each other \newline % Row Count 3 (+ 1) {\bf{free vibrations}}- frequency a system tends to vibrate at in a vibration is called the natural frequency \newline % Row Count 6 (+ 3) {\bf{forced vibrations}}- a driving force causes systems to vibrate at a different frequency% Row Count 8 (+ 2) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{damping}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{{\bf{when external force opposes motion/opposite direction of v}} \newline % Row Count 2 (+ 2) - this occurs when energy is transferred out of the system adn the total energy is no longer being constant \newline % Row Count 5 (+ 3) main types of damping: \newline % Row Count 6 (+ 1) 1. {\bf{light dampening}} where the oscillations are damped slowly eg. air resistance/friction \newline % Row Count 8 (+ 2) 2. {\bf{heavy damping}} where the oscillations still continue but are brought to a stop more quickly \newline % Row Count 10 (+ 2) 3. {\bf{critical damping}} involves stopping oscillations in the quickest time possible \newline % Row Count 12 (+ 2) 4. {\bf{overdamping}} caused when the force is too great and stops the oscilations but takes longer to return to equilibrium position% Row Count 15 (+ 3) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{resonance and vibrations}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{when frequency of external driving force F matches natural frequency \newline % Row Count 2 (+ 2) it is 90' out of phase with each other \newline % Row Count 3 (+ 1) {\bf{free vibrations}}- frequency a system tends to vibrate at in a vibration is called the natural frequency \newline % Row Count 6 (+ 3) {\bf{forced vibrations}}- a driving force causes systems to vibrate at a different frequency% Row Count 8 (+ 2) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}