Revision 0461d2e117ce88704a56dd8bcbf6bf7787991b15 authored by Eh Tan on 08 November 2007, 23:28:46 UTC, committed by Eh Tan on 08 November 2007, 23:28:46 UTC
svn+ssh://svn@geodynamics.org/cig/mc/3D/CitcomS/trunk

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  r8194 | tan2 | 2007-10-30 14:49:58 -0700 (Tue, 30 Oct 2007) | 1 line
  
  Compute d(rho)/dr/rho from rho(r)
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  r8195 | tan2 | 2007-10-30 14:50:52 -0700 (Tue, 30 Oct 2007) | 1 line
  
  Fixed a bug in dimensionalizing density. Provided the formula of geoid calculation in the comments. Rearranged the order of functions.
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  r8196 | tan2 | 2007-10-30 14:53:50 -0700 (Tue, 30 Oct 2007) | 1 line
  
  A post-processing program to project geoid coefficents onto a regular (longitude, latitude) mesh
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  r8197 | tan2 | 2007-10-30 14:54:14 -0700 (Tue, 30 Oct 2007) | 1 line
  
  Added the C program project_geoid to the makefile
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  r8199 | tan2 | 2007-10-30 15:29:44 -0700 (Tue, 30 Oct 2007) | 1 line
  
  Minor modification
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  r8201 | tan2 | 2007-11-01 16:33:30 -0700 (Thu, 01 Nov 2007) | 1 line
  
  Print dv/v=dp/p=1.0 for the 1st Uzawa iteraion
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  r8202 | tan2 | 2007-11-01 16:33:50 -0700 (Thu, 01 Nov 2007) | 1 line
  
  Fixed an error in comment
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  r8204 | tan2 | 2007-11-05 17:03:35 -0800 (Mon, 05 Nov 2007) | 1 line
  
  Scaled topo with variable gravity. Fixed an error in comment. Rearranged computation.
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  r8205 | tan2 | 2007-11-05 17:03:55 -0800 (Mon, 05 Nov 2007) | 1 line
  
  Removed functions related sph. harm in lib/Regional_obsolete.c
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  r8206 | tan2 | 2007-11-05 17:04:20 -0800 (Mon, 05 Nov 2007) | 1 line
  
  Shrank the size of sph. harm arrays
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  r8207 | tan2 | 2007-11-05 17:04:43 -0800 (Mon, 05 Nov 2007) | 1 line
  
  Init'd some variables about vtk_io, which might be accessed with uninit'd values in output_finalize()
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  r8212 | tan2 | 2007-11-06 15:17:54 -0800 (Tue, 06 Nov 2007) | 1 line
  
  Fixed a few memory errors
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  r8213 | tan2 | 2007-11-06 15:18:12 -0800 (Tue, 06 Nov 2007) | 1 line
  
  Increase vlowstep to match the default value in pyre
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  r8214 | tan2 | 2007-11-06 15:18:35 -0800 (Tue, 06 Nov 2007) | 1 line
  
  Removed unused multigrid parameters
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  r8215 | tan2 | 2007-11-06 15:18:54 -0800 (Tue, 06 Nov 2007) | 1 line
  
  Added cgrad solver convergence parameters, increased buoyancy_ratio and lower the # of steps
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  r8226 | tan2 | 2007-11-07 11:51:56 -0800 (Wed, 07 Nov 2007) | 1 line
  
  Print a warning when matrix eqn solver not converging
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  r8227 | tan2 | 2007-11-07 11:52:17 -0800 (Wed, 07 Nov 2007) | 1 line
  
  Removed comp_el from default output, since it is not required for restart anymore.
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  r8228 | tan2 | 2007-11-07 11:52:39 -0800 (Wed, 07 Nov 2007) | 1 line
  
  Decreased the # of processors. This is the only way I can reproduce single-cell convection as in the manual.
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  r8235 | tan2 | 2007-11-08 11:18:26 -0800 (Thu, 08 Nov 2007) | 1 line
  
  Dereased the timestep size to reduce artifacts in advection
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  r8236 | tan2 | 2007-11-08 11:18:52 -0800 (Thu, 08 Nov 2007) | 1 line
  
  Update NEWS
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  r8237 | tan2 | 2007-11-08 11:19:12 -0800 (Thu, 08 Nov 2007) | 1 line
  
  Update the version number
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  r8241 | tan2 | 2007-11-08 13:17:14 -0800 (Thu, 08 Nov 2007) | 1 line
  
  Updated file ChangeLog to r8240
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  r8242 | tan2 | 2007-11-08 13:36:55 -0800 (Thu, 08 Nov 2007) | 1 line
  
  Removed binary checkpoint files from makefile, as the file size is too big for distribution.
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  r8243 | tan2 | 2007-11-08 13:38:09 -0800 (Thu, 08 Nov 2007) | 1 line
  
  Updated file ChangeLog to r8242
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  r8244 | tan2 | 2007-11-08 14:31:21 -0800 (Thu, 08 Nov 2007) | 1 line
  
  Replaced a system call by std C library remove() and disabled another system call (backup input file). Partially fixed issue130. All remaining system calls are in lib/Output_gzdir.c.
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  r8245 | tan2 | 2007-11-08 14:41:31 -0800 (Thu, 08 Nov 2007) | 1 line
  
  Updated file ChangeLog to r8244
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1 parent a828fa9
Raw File
Sphere_util.c
/*
 *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * 
 *<LicenseText>
 *
 * CitcomS by Louis Moresi, Shijie Zhong, Lijie Han, Eh Tan,
 * Clint Conrad, Michael Gurnis, and Eun-seo Choi.
 * Copyright (C) 1994-2005, California Institute of Technology.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *</LicenseText>
 * 
 *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

/* Common functions relating to the building and use of mesh locations ... */

#include <math.h>
#include "global_defs.h"

/* =================================================
  this routine evenly divides the arc between points
  1 and 2 in a great cicle. The word "evenly" means
  anglewise evenly.
 =================================================*/

void even_divide_arc12(elx,x1,y1,z1,x2,y2,z2,theta,fi)
 double x1,y1,z1,x2,y2,z2,*theta,*fi;
 int elx;
{
  double dx,dy,dz,xx,yy,zz,myatan();
  int j, nox;

  nox = elx+1;

  dx = (x2 - x1)/elx;
  dy = (y2 - y1)/elx;
  dz = (z2 - z1)/elx;
  for (j=1;j<=nox;j++)   {
      xx = x1 + dx*(j-1) + 5.0e-32;
      yy = y1 + dy*(j-1);
      zz = z1 + dz*(j-1);
      theta[j] = acos(zz/sqrt(xx*xx+yy*yy+zz*zz));
      fi[j]    = myatan(yy,xx);
      }

   return;
  }


/* =================================================
  rotate the mesh
 =================================================*/
void rotate_mesh(E,m,icap)
   struct All_variables *E;
   int icap,m;
  {

  int i,lev;
  double t[4],myatan();

  for (lev=E->mesh.levmin;lev<=E->mesh.levmax;lev++)  {
    for (i=1;i<=E->lmesh.NNO[lev];i++)  {
      t[0] = E->X[lev][m][1][i]*E->sphere.dircos[1][1]+
             E->X[lev][m][2][i]*E->sphere.dircos[1][2]+
             E->X[lev][m][3][i]*E->sphere.dircos[1][3];
      t[1] = E->X[lev][m][1][i]*E->sphere.dircos[2][1]+
             E->X[lev][m][2][i]*E->sphere.dircos[2][2]+
             E->X[lev][m][3][i]*E->sphere.dircos[2][3];
      t[2] = E->X[lev][m][1][i]*E->sphere.dircos[3][1]+
             E->X[lev][m][2][i]*E->sphere.dircos[3][2]+
             E->X[lev][m][3][i]*E->sphere.dircos[3][3];

      E->X[lev][m][1][i] = t[0];
      E->X[lev][m][2][i] = t[1];
      E->X[lev][m][3][i] = t[2];
      E->SX[lev][m][1][i] = acos(t[2]/E->SX[lev][m][3][i]);
      E->SX[lev][m][2][i] = myatan(t[1],t[0]);
      }
    }    /* lev */

  return;
  }
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