/usr/include/liggghts/mesh_module_stress_servo.h is in libliggghts-dev 3.7.0+repack1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | /* ----------------------------------------------------------------------
This is the
██╗ ██╗ ██████╗ ██████╗ ██████╗ ██╗ ██╗████████╗███████╗
██║ ██║██╔════╝ ██╔════╝ ██╔════╝ ██║ ██║╚══██╔══╝██╔════╝
██║ ██║██║ ███╗██║ ███╗██║ ███╗███████║ ██║ ███████╗
██║ ██║██║ ██║██║ ██║██║ ██║██╔══██║ ██║ ╚════██║
███████╗██║╚██████╔╝╚██████╔╝╚██████╔╝██║ ██║ ██║ ███████║
╚══════╝╚═╝ ╚═════╝ ╚═════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚══════╝®
DEM simulation engine, released by
DCS Computing Gmbh, Linz, Austria
http://www.dcs-computing.com, office@dcs-computing.com
LIGGGHTS® is part of CFDEM®project:
http://www.liggghts.com | http://www.cfdem.com
Core developer and main author:
Christoph Kloss, christoph.kloss@dcs-computing.com
LIGGGHTS® is open-source, distributed under the terms of the GNU Public
License, version 2 or later. It is distributed in the hope that it will
be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. You should have
received a copy of the GNU General Public License along with LIGGGHTS®.
If not, see http://www.gnu.org/licenses . See also top-level README
and LICENSE files.
LIGGGHTS® and CFDEM® are registered trade marks of DCS Computing GmbH,
the producer of the LIGGGHTS® software and the CFDEM®coupling software
See http://www.cfdem.com/terms-trademark-policy for details.
-------------------------------------------------------------------------
Contributing author and copyright for this file:
(if not contributing author is listed, this file has been contributed
by the core developer)
Christoph Kloss (DCS Computing GmbH, Linz)
Christoph Kloss (JKU Linz)
Andreas Aigner (DCS Computing GmbH, JKU Linz)
Arno Mayrhofer (DCS Computing GmbH)
Copyright 2012- DCS Computing GmbH, Linz
Copyright 2009-2012 JKU Linz
------------------------------------------------------------------------- */
#ifdef MESHMODULE_CLASS
MeshModuleStyle(servo,MeshModuleStressServo)
#else
#ifndef LMP_MESH_MODULE_STRESS_SERVO_H
#define LMP_MESH_MODULE_STRESS_SERVO_H
#include "fix.h"
#include "input.h"
#include <math.h>
#include "mesh_module_stress.h"
#include "mesh_module.h"
namespace LAMMPS_NS
{
class MeshModuleStressServo : public MeshModule
{
public:
MeshModuleStressServo(LAMMPS *lmp, int &iarg_, int narg, char **arg, FixMeshSurface *fix_mesh);
virtual ~MeshModuleStressServo();
virtual void post_create_pre_restart();
virtual void post_create();
void init();
int setmask();
virtual void setup_pre_force(int vflag);
void initial_integrate(int vflag);
void add_particle_contribution(int ip, double *frc,
double *delta, int iTri, double *v_wall);
void final_integrate();
void reset_dt();
double compute_vector(int n);
inline int get_num_vector_components() const
{ return 3; }
private:
void init_defaults();
void error_checks();
void limit_vel();
void update_mass();
void set_v_node();
void set_v_node_rotate();
double getMaxRad();
int modify_param(int, char **);
void resetIntegrator() {sum_err_ = 0;}
// properties of mesh
VectorContainer<double,3> &xcm_;
VectorContainer<double,3> &vcm_;
VectorContainer<double,3> &omegacm_;
VectorContainer<double,3> &xcm_orig_;
// position and velocity for each node
MultiVectorContainer<double,3,3> *v_;
// servo settings and controller
double axis_[3],totalPhi_;
double *ctrl_op_,*pv_vec_;
double vel_max_,vel_min_,ctrl_op_max_,ctrl_op_min_,ratio_;
double sp_mag_,sp_mag_inv_;
double pv_mag_,old_pv_mag_;
double err_, sum_err_;
double kp_,ki_,kd_;
// variable set point
int sp_var_, sp_style_;
char *sp_str_;
// flags
bool int_flag_;
bool mode_flag_;
int ctrl_style_;
// timesteps
double dtf_,dtv_;
// for area calculation
class ModifiedAndrew *mod_andrew_;
// signum function
template <typename T> int sgn(T val) {
return (T(0) < val) - (val < T(0));
}
MeshModuleStress *mm_stress;
}; //end class
}
#endif
#endif
|