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
|
/////////////////////////////////////////////////////////////
// //
// Copyright (c) 2003-2014 by The University of Queensland //
// Centre for Geoscience Computing //
// http://earth.uq.edu.au/centre-geoscience-computing //
// //
// Primary Business: Brisbane, Queensland, Australia //
// Licensed under the Open Software License version 3.0 //
// http://www.apache.org/licenses/LICENSE-2.0 //
// //
/////////////////////////////////////////////////////////////
#include "ECorner2DInteraction.h"
/*!
default constructor
*/
ECorner2DInteraction::ECorner2DInteraction()
{
m_p=NULL;
m_corner=NULL;
m_k=0.0;
m_inner_flag=false;
}
/*!
constructor with parameters
\param p a pointer to the particle
\param c a pointer to the corner
\param param the interaction parameters
\param iflag
*/
ECorner2DInteraction::ECorner2DInteraction(CParticle* p,Corner2D* c,ETriMeshIP param,bool iflag)
{
m_p=p;
m_corner=c;
m_k=param.k;
m_inner_flag=iflag;
}
/*!
destructor
*/
ECorner2DInteraction::~ECorner2DInteraction()
{}
/*!
calculate & apply forces
*/
void ECorner2DInteraction::calcForces()
{
Vec3 ppos=m_p->getPos();
if(m_corner->isValidContact(ppos)){ // if no contact to adjacent edges or triangles
double sep=m_corner->sep(ppos);
if(sep<m_p->getRad()){
Vec3 force=m_k*(m_p->getRad()-sep)*m_corner->getDirectionFromPoint(ppos);
m_p->applyForce(force,ppos);
}
}
}
|
