57 lines
2.1 KiB
TeX
57 lines
2.1 KiB
TeX
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\tikzset{block/.default={0.8cm}{0.6cm}}
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\tikzset{addb/.append style={scale=0.7}}
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\tikzset{node distance=0.6}
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\def\cdist{0.7}
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\definecolor{T}{rgb}{0.230, 0.299, 0.754}%
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\definecolor{S}{rgb}{0.706, 0.016, 0.150}%
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\begin{tikzpicture}
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% ====================
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% Parameters
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% ====================
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\def\massw{2.2} % Width of the masses
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\def\massh{0.8} % Height of the masses
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\def\spaceh{1.2} % Height of the springs/dampers
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\def\dispw{0.3} % Width of the dashed line for the displacement
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\def\disph{0.5} % Height of the arrow for the displacements
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\def\bracs{0.05} % Brace spacing vertically
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\def\brach{-10pt} % Brace shift horizontaly
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% ====================
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% ====================
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% Ground
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% ====================
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\draw (-0.5*\massw, 0) -- (0.5*\massw, 0);
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\draw[dashed] (0.5*\massw, 0) -- ++(\dispw, 0);
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\draw[->] (0.5*\massw+0.5*\dispw, 0) -- ++(0, \disph) node[below right]{$w$};
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% ====================
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\begin{scope}[shift={(0, 0)}]
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% Mass
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\draw[fill=white] (-0.5*\massw, \spaceh) rectangle (0.5*\massw, \spaceh+\massh) node[pos=0.5]{$m$};
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% Spring, Damper, and Actuator
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\draw[spring] (-0.4*\massw, 0) -- (-0.4*\massw, \spaceh) node[midway, left=0.1]{$k$};
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\draw[damper] (0, 0) -- ( 0, \spaceh) node[midway, left=0.2]{$c$};
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\draw[actuator] ( 0.4*\massw, 0) -- ( 0.4*\massw, \spaceh) coordinate[midway, right=0.15](F);
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% Displacements
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\draw[dashed] (0.5*\massw, \spaceh) -- ++(\dispw, 0);
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\draw[->] (0.5*\massw+0.5*\dispw, \spaceh) -- ++(0, \disph) node[right](x){$x$};
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\end{scope}
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\node[block, right=1 of F] (Kfb) {$K$};
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\node[addb={+}{}{-}{}{}, right=2*\cdist of Kfb] (add) {};
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\node[addb] (addn) at (x-|Kfb) {};
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\node[block, right=of addn] (Hl) {$H_L$};
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\draw[->] (x) -- (addn.west);
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\draw[->] (addn.east) -- (Hl.west);
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\draw[->] (Hl.east) -| (add.north);
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\draw[->] (add.west) -- (Kfb.east);
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\draw[->] (Kfb.west) -- (F) node[above right]{$F$};
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\draw[<-] (addn.north) -- ++(0,\cdist) node[below right]{$n$};
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\draw[<-] (add.east) -- ++(\cdist,0) node[above left]{$r$};
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\end{tikzpicture}
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