CAD4FE/src/CAD4FE_Criteria.cpp

//---------------------------------------------------------------------------

                       
#include <math.h>
#include <stdlib.h>

#pragma hdrstop

#include "CAD4FE_Criteria.h"

using namespace CAD4FE;


double Criteria::PlanarCurve_EpsilonH(double __h)
{
        return
        1/__h*
        (
        1 -
        sqrt (1 - .25*pow(__h,2) )
        );
}

double Criteria::PlanarCurve_EpsilonBeta(double __beta)
{                // return __beta*.125;
        return
        (
                1 - sqrt (1 - pow( sin(.5*__beta) , 2) )
        )
        /
        (
                2*sin(.5*__beta)
        );
}

double Criteria::PlanarCurve_BetaEpsilon(double __epsilon)
{
        return 2*asin(__epsilon/(pow(__epsilon,2)+.25));
}

#pragma package(smart_init)
 
Revision:	27
Committed:	Thu Jul 5 15:26:40 2007 UTC (17 years, 10 months ago) by foucault
Original Path:	*magic/lib/CAD4FE/CAD4FE/src/CAD4FE_Criteria.cpp*
File size:	816 byte(s)
Log Message:
#	User	Rev	Content
1	foucault	27	//---------------------------------------------------------------------------
2
3
4			#include <math.h>
5			#include <stdlib.h>
6
7			#pragma hdrstop
8
9			#include "CAD4FE_Criteria.h"
10
11			using namespace CAD4FE;
12
13
14			double Criteria::PlanarCurve_EpsilonH(double __h)
15			{
16			return
17			1/__h*
18			(
19			1 -
20			sqrt (1 - .25*pow(__h,2) )
21			);
22			}
23
24			double Criteria::PlanarCurve_EpsilonBeta(double __beta)
25			{ // return __beta*.125;
26			return
27			(
28			1 - sqrt (1 - pow( sin(.5*__beta) , 2) )
29			)
30			/
31			(
32			2sin(.5__beta)
33			);
34			}
35
36			double Criteria::PlanarCurve_BetaEpsilon(double __epsilon)
37			{
38			return 2*asin(__epsilon/(pow(__epsilon,2)+.25));
39			}
40
41			#pragma package(smart_init)
42