%SUMMARY Piston: simple model of the piston
%DESCRIPTION Inludes inertia and pressure effects.
%% Label file for system Piston (Piston_lbl.txt)
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% %% Version control history
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% %% $Id$
% %% $Log$
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%% Each line should be of one of the following forms:
% a comment (ie starting with %)
% Component-name CR_name arg1,arg2,..argn
% blank
% Component type I
m_p lin flow,$1
% Component type SS
[bottom] external external
[shaft] external external
[top] external external
% Component type TF
a_b lin flow,$2
a_t lin effort,$3