V_WedgeMetric.cpp File Reference

#include "moab/verdict.h"
#include "VerdictVector.hpp"
#include <memory.h>

Include dependency graph for V_WedgeMetric.cpp:

Go to the source code of this file.

Macros
#define	VERDICT_EXPORTS

Functions
C_FUNC_DEF double	v_wedge_volume (int num_nodes, double coordinates[][3])
	Calculates wedge volume. More...
C_FUNC_DEF void	v_wedge_quality (int num_nodes, double coordinates[][3], unsigned int metrics_request_flag, WedgeMetricVals *metric_vals)
	Calculates quality metrics for wedge elements. More...

Macro Definition Documentation

VERDICT_EXPORTS

#define VERDICT_EXPORTS

Definition at line 23 of file V_WedgeMetric.cpp.

Function Documentation

v_wedge_quality()

C_FUNC_DEF void v_wedge_quality	(	int	num_nodes,
		double	coordinates[][3],
		unsigned int	metrics_request_flag,
		WedgeMetricVals *	metric_vals
	)

Calculates quality metrics for wedge elements.

Definition at line 102 of file V_WedgeMetric.cpp.

  106 {
  107     memset( metric_vals, 0, sizeof( WedgeMetricVals ) );
  108  
  109     if( metrics_request_flag & V_WEDGE_VOLUME ) metric_vals->volume = v_wedge_volume( num_nodes, coordinates );
  110 }

References V_WEDGE_VOLUME, v_wedge_volume(), and WedgeMetricVals::volume.

v_wedge_volume()

C_FUNC_DEF double v_wedge_volume	(	int	num_nodes,
		double	coordinates[][3]
	)

Calculates wedge volume.

calculate the volume of a wedge

this is done by dividing the wedge into 3 tets and summing the volume of each tet

Definition at line 54 of file V_WedgeMetric.cpp.

   55 {
   56  
   57     double volume = 0;
   58     VerdictVector side1, side2, side3;
   59  
   60     if( num_nodes == 6 )
   61     {
   62  
   63         // divide the wedge into 3 tets and calculate each volume
   64  
   65         side1.set( coordinates[1][0] - coordinates[0][0], coordinates[1][1] - coordinates[0][1],
   66                    coordinates[1][2] - coordinates[0][2] );
   67  
   68         side2.set( coordinates[2][0] - coordinates[0][0], coordinates[2][1] - coordinates[0][1],
   69                    coordinates[2][2] - coordinates[0][2] );
   70  
   71         side3.set( coordinates[3][0] - coordinates[0][0], coordinates[3][1] - coordinates[0][1],
   72                    coordinates[3][2] - coordinates[0][2] );
   73  
   74         volume = side3 % ( side1 * side2 ) / 6;
   75  
   76         side1.set( coordinates[4][0] - coordinates[1][0], coordinates[4][1] - coordinates[1][1],
   77                    coordinates[4][2] - coordinates[1][2] );
   78  
   79         side2.set( coordinates[5][0] - coordinates[1][0], coordinates[5][1] - coordinates[1][1],
   80                    coordinates[5][2] - coordinates[1][2] );
   81  
   82         side3.set( coordinates[3][0] - coordinates[1][0], coordinates[3][1] - coordinates[1][1],
   83                    coordinates[3][2] - coordinates[1][2] );
   84  
   85         volume += side3 % ( side1 * side2 ) / 6;
   86  
   87         side1.set( coordinates[5][0] - coordinates[1][0], coordinates[5][1] - coordinates[1][1],
   88                    coordinates[5][2] - coordinates[1][2] );
   89  
   90         side2.set( coordinates[2][0] - coordinates[1][0], coordinates[2][1] - coordinates[1][1],
   91                    coordinates[2][2] - coordinates[1][2] );
   92  
   93         side3.set( coordinates[3][0] - coordinates[1][0], coordinates[3][1] - coordinates[1][1],
   94                    coordinates[3][2] - coordinates[1][2] );
   95  
   96         volume += side3 % ( side1 * side2 ) / 6;
   97     }
   98  
   99     return (double)volume;
  100 }

References VerdictVector::set().

Referenced by moab::VerdictWrapper::all_quality_measures(), moab::VerdictWrapper::quality_measure(), and v_wedge_quality().