Chaste Commit::baa90ac2819b962188b7562f2326be23c47859a7
PopulationTestingForce.cpp
1/*
2
3Copyright (c) 2005-2024, University of Oxford.
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10This file is part of Chaste.
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23THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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34*/
35
36#include "PopulationTestingForce.hpp"
37
38template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
40 :AbstractForce<ELEMENT_DIM, SPACE_DIM>(),
41 mWithPositionDependence(hasPositionDependence)
42{
43}
44
45template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
47{
48 for (unsigned i=0; i<rCellPopulation.GetNumNodes(); i++)
49 {
50 c_vector<double, SPACE_DIM> force;
51
52 for (unsigned j=0; j<SPACE_DIM; j++)
53 {
54 if (mWithPositionDependence)
55 {
56 force[j] = (j+1)*i*0.01*rCellPopulation.GetNode(i)->rGetLocation()[j];
57 }
58 else
59 {
60 force[j] = (j+1)*i*0.01;
61 }
62 }
63 rCellPopulation.GetNode(i)->ClearAppliedForce();
64 rCellPopulation.GetNode(i)->AddAppliedForceContribution(force);
65 }
66}
67
68template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
70 double damping,
71 c_vector<double, SPACE_DIM>& oldLocation,
72 double dt)
73{
74 c_vector<double, SPACE_DIM> result;
75 for (unsigned j = 0; j < SPACE_DIM; j++)
76 {
77 if (mWithPositionDependence)
78 {
79 result[j] = oldLocation[j] + dt * (j+1)*0.01*nodeIndex * oldLocation[j] / damping;
80 }
81 else
82 {
83 result[j] = oldLocation[j] + dt * (j+1)*0.01*nodeIndex/damping;
84 }
85 }
86 return result;
87}
88
89template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
91 double damping,
92 c_vector<double, SPACE_DIM>& oldLocation,
93 double dt)
94{
95 c_vector<double, SPACE_DIM> result;
96 for (unsigned j = 0; j < SPACE_DIM; j++)
97 {
98 double k1 = (j+1)*0.01*nodeIndex * oldLocation[j] / damping;
99 double k2 = (j+1)*0.01*nodeIndex * (oldLocation[j] + (dt/2.0)*k1) / damping;
100 double k3 = (j+1)*0.01*nodeIndex * (oldLocation[j] + (dt/2.0)*k2) / damping;
101 double k4 = (j+1)*0.01*nodeIndex * (oldLocation[j] + dt*k3) / damping;
102 result[j] = oldLocation[j] + (1.0/6.0)*dt*(k1 + 2*k2 + 2*k3 + k4);
103 }
104 return result;
105}
106
107template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
109 double damping,
110 c_vector<double, SPACE_DIM>& oldLocation,
111 double dt)
112{
113 c_vector<double, SPACE_DIM> result;
114 for (unsigned j = 0; j < SPACE_DIM; j++)
115 {
116 result[j] = oldLocation[j] * (1 + 0.5*dt*0.01*(j+1)*nodeIndex / damping) / (1 - 0.5*dt*0.01*(j+1)*nodeIndex / damping);
117 }
118 return result;
119}
120
121template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
123 double damping,
124 c_vector<double, SPACE_DIM>& oldLocation,
125 double dt)
126{
127 c_vector<double, SPACE_DIM> result;
128 for (unsigned j = 0; j < SPACE_DIM; j++)
129 {
130 result[j] = oldLocation[j] / (1 - dt*0.01*(j+1)*nodeIndex/damping);
131 }
132 return result;
133}
134
135template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
137{
138 // This force is not used in a simulation so this method is never called
140}
141
142// Explicit instantiation
143template class PopulationTestingForce<1,1>;
144template class PopulationTestingForce<1,2>;
145template class PopulationTestingForce<2,2>;
146template class PopulationTestingForce<1,3>;
147template class PopulationTestingForce<2,3>;
148template class PopulationTestingForce<3,3>;
149
150// Serialization for Boost >= 1.36
#define NEVER_REACHED
#define EXPORT_TEMPLATE_CLASS_ALL_DIMS(CLASS)
virtual Node< SPACE_DIM > * GetNode(unsigned index)=0
virtual unsigned GetNumNodes()=0
c_vector< double, SPACE_DIM > GetExpectedOneStepLocationAM2(unsigned nodeIndex, double damping, c_vector< double, SPACE_DIM > &oldLocation, double dt)
c_vector< double, SPACE_DIM > GetExpectedOneStepLocationFE(unsigned nodeIndex, double damping, c_vector< double, SPACE_DIM > &oldLocation, double dt)
virtual void OutputForceParameters(out_stream &rParamsFile)
PopulationTestingForce(bool hasPositionDependence=true)
c_vector< double, SPACE_DIM > GetExpectedOneStepLocationRK4(unsigned nodeIndex, double damping, c_vector< double, SPACE_DIM > &oldLocation, double dt)
void AddForceContribution(AbstractCellPopulation< ELEMENT_DIM, SPACE_DIM > &rCellPopulation)
c_vector< double, SPACE_DIM > GetExpectedOneStepLocationBE(unsigned nodeIndex, double damping, c_vector< double, SPACE_DIM > &oldLocation, double dt)