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# This file is part of the ASCEND Modeling Library and is released |
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# under the GNU Public License as described at the end of this file. |
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# |
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# This file demonstrates the use of force1d.a4c and the use of |
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# PLOT in ASCEND |
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|
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# Mass/spring/anchor/finger/hook stationary on horizontal surface. |
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# |
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|
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DELETE TYPES; |
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READ FILE "force1d.a4c"; |
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|
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# |
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# build a test model anchor/spring/mass/finger |
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# |
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COMPILE hand OF finger_test; |
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BROWSE {hand}; |
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RUN {hand.reset}; |
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|
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# Send the distances we want to see to the probe |
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PROBE current {hand.h1.X} {}; |
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PROBE current {hand.h2.X} {}; |
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PROBE current {hand.h3.X} {}; |
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PROBE current {hand.s1.dx} {}; |
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|
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# Send the input variables to the probe |
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PROBE current {hand.m1.width} {}; |
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PROBE current {hand.pinky.pull} {}; |
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PROBE current {hand.s1.L0} {}; |
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|
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ASSIGN {hand.m1.width} 0.04 {meter}; |
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SOLVE {hand} WITH QRSlv; |
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|
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# now specify the spring stretch and calc pull. |
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DELETE SYSTEM; |
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ASSIGN {hand.s1.dx} 0.05 {meter}; |
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ASSIGN {hand.s1.dx.fixed} TRUE {}; |
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ASSIGN {hand.pinky.pull.fixed} FALSE {}; |
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SOLVE {hand} WITH QRSlv; |
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|
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# |
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# build a test model anchor/spring/spring/finger |
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# |
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COMPILE slinky OF spring_test; |
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BROWSE {slinky}; |
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RUN {slinky.reset}; |
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|
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# Send the distances we want to see to the probe |
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PROBE new {slinky.h1.X} {}; |
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PROBE current {slinky.h2.X} {}; |
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PROBE current {slinky.h3.X} {}; |
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PROBE current {slinky.s1.dx} {}; |
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|
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# Send the input variables to the probe |
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PROBE current {slinky.s2.L0} {}; |
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PROBE current {slinky.pinky.pull} {}; |
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PROBE current {slinky.s1.L0} {}; |
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|
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ASSIGN {slinky.s2.L0} 0.4 {meter}; |
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SOLVE {slinky} WITH QRSlv; |
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|
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# now specify the spring stretch and calc pull. |
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DELETE SYSTEM; |
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ASSIGN {slinky.s1.dx} 0.05 {meter}; |
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ASSIGN {slinky.s1.dx.fixed} TRUE {}; |
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ASSIGN {slinky.pinky.pull.fixed} FALSE {}; |
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SOLVE {slinky} WITH QRSlv; |
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|
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# |
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# This block does the work illustrated in howto-plot. |
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# |
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|
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# do plot model |
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COMPILE pst OF plot_spring_test; |
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BROWSE {pst}; |
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RUN {pst.st.reset}; |
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SOLVE {pst.st} WITH QRSlv; |
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PLOT {pst.Plot_X} ; |
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SHOW LAST; |
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|
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########## force1d.a4s ends here ########## |
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# |
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# force1d.a4s |
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# by Benjamin Allan |
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# May 16, 1998 |
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# Part of the ASCEND Library |
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# $Date: 1998/06/17 20:08:32 $ |
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# $Revision: 1.2 $ |
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# $Author: mthomas $ |
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# $Source: /afs/cs.cmu.edu/project/ascend/Repository/models/force1d.a4s,v $ |
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# |
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# This file is part of the ASCEND Modeling Library. |
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# |
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# Copyright (C) 1998 Carnegie Mellon University |
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# |
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# The ASCEND Modeling Library is free software. You can redistribute |
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# it and/or modify it under the terms of the GNU General Public |
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# License as published by the Free Software Foundation---either |
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# version 2 of the License, or (at your option) any later version. |
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# |
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# The ASCEND Modeling Library is distributed in hope that it |
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# will be useful, but WITHOUT ANY WARRANTY--without even the implied |
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# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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# See the GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with the program. If not, write to the Free Software |
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139 USA. Check |
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# the file named COPYING. |
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