99 lines
1.9 KiB
C++
99 lines
1.9 KiB
C++
/* -*- c++ -*- ----------------------------------------------------------
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LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
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http://lammps.sandia.gov, Sandia National Laboratories
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Steve Plimpton, sjplimp@sandia.gov
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Copyright (2003) Sandia Corporation. Under the terms of Contract
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DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
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certain rights in this software. This software is distributed under
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the GNU General Public License.
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See the README file in the top-level LAMMPS directory.
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------------------------------------------------------------------------- */
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#ifdef FIX_CLASS
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FixStyle(controller,FixController)
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#else
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#ifndef LMP_FIX_CONTROLLER_H
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#define LMP_FIX_CONTROLLER_H
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#include "fix.h"
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namespace LAMMPS_NS {
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class FixController : public Fix {
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public:
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FixController(class LAMMPS *, int, char **);
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~FixController();
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int setmask();
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void init();
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void end_of_step();
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void reset_dt();
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double compute_vector(int);
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private:
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double kp,ki,kd,alpha,tau;
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double setpoint;
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int pvwhich,pvindex;
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char *pvID,*cvID;
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int firsttime;
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double control,err,olderr,deltaerr,sumerr;
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class Compute *pcompute;
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class Fix *pfix;
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int pvar,cvar;
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};
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}
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#endif
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#endif
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/* ERROR/WARNING messages:
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E: Illegal ... command
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UNDOCUMENTED
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E: Compute ID for fix controller does not exist
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UNDOCUMENTED
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E: Fix controller compute does not calculate a global scalar or vector
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UNDOCUMENTED
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E: Fix controller compute vector is accessed out-of-range
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UNDOCUMENTED
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E: Fix ID for fix controller does not exist
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UNDOCUMENTED
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E: Fix controller fix does not calculate a global scalar or vector
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UNDOCUMENTED
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E: Fix controller fix vector is accessed out-of-range
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UNDOCUMENTED
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E: Variable name for fix controller does not exist
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UNDOCUMENTED
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E: Fix controller variable is not equal-style variable
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UNDOCUMENTED
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E: Fix controller variable is not internal-style variable
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UNDOCUMENTED
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*/
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