Chaste Commit::ca8ccdedf819b6e02855bc0e8e6f50bdecbc5208
DifferentialAdhesionGeneralisedLinearSpringForce.cpp
1/*
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34*/
35
36#include "DifferentialAdhesionGeneralisedLinearSpringForce.hpp"
37#include "CellLabel.hpp"
38
39template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
41 : GeneralisedLinearSpringForce<ELEMENT_DIM, SPACE_DIM>(),
42 mHomotypicLabelledSpringConstantMultiplier(1.0),
43 mHeterotypicSpringConstantMultiplier(1.0)
44{
45}
46
47template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
49 unsigned nodeAGlobalIndex,
50 unsigned nodeBGlobalIndex,
52 bool isCloserThanRestLength)
53{
54
55 if (isCloserThanRestLength)
56 {
57 return 1.0;
58 }
59 else
60 {
61 // Determine which (if any) of the cells corresponding to these nodes are labelled
62 CellPtr p_cell_A = rCellPopulation.GetCellUsingLocationIndex(nodeAGlobalIndex);
63 bool cell_A_is_labelled = p_cell_A->template HasCellProperty<CellLabel>();
64
65 CellPtr p_cell_B = rCellPopulation.GetCellUsingLocationIndex(nodeBGlobalIndex);
66 bool cell_B_is_labelled = p_cell_B->template HasCellProperty<CellLabel>();
67
68 // For heterotypic interactions, scale the spring constant by mHeterotypicSpringConstantMultiplier
69 if (cell_A_is_labelled != cell_B_is_labelled)
70 {
71 return mHeterotypicSpringConstantMultiplier;
72 }
73 else
74 {
75 // For homotypic interactions between labelled cells, scale the spring constant by mHomotypicLabelledSpringConstantMultiplier
76 if (cell_A_is_labelled)
77 {
78 return mHomotypicLabelledSpringConstantMultiplier;
79 }
80 else
81 {
82 // For homotypic interactions between unlabelled cells, leave the spring constant unchanged from its normal value
83 return 1.0;
84 }
85 }
86 }
87}
88
89template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
94
95template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
97{
98 assert(labelledSpringConstantMultiplier > 0.0);
99 mHomotypicLabelledSpringConstantMultiplier = labelledSpringConstantMultiplier;
100}
101
102template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
107
108template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
110{
111 assert(heterotypicSpringConstantMultiplier > 0.0);
112 mHeterotypicSpringConstantMultiplier = heterotypicSpringConstantMultiplier;
113}
114
115template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
117{
118 *rParamsFile << "\t\t\t<HomotypicLabelledSpringConstantMultiplier>" << mHomotypicLabelledSpringConstantMultiplier << "</HomotypicLabelledSpringConstantMultiplier>\n";
119 *rParamsFile << "\t\t\t<HeterotypicSpringConstantMultiplier>" << mHeterotypicSpringConstantMultiplier << "</HeterotypicSpringConstantMultiplier>\n";
120
121 // Call direct parent class
123}
124
125// Explicit instantiation
132
133// Serialization for Boost >= 1.36
#define EXPORT_TEMPLATE_CLASS_ALL_DIMS(CLASS)
virtual CellPtr GetCellUsingLocationIndex(unsigned index)
double VariableSpringConstantMultiplicationFactor(unsigned nodeAGlobalIndex, unsigned nodeBGlobalIndex, AbstractCellPopulation< ELEMENT_DIM, SPACE_DIM > &rCellPopulation, bool isCloserThanRestLength)
void SetHeterotypicSpringConstantMultiplier(double heterotypicSpringConstantMultiplier)
void SetHomotypicLabelledSpringConstantMultiplier(double labelledSpringConstantMultiplier)
virtual void OutputForceParameters(out_stream &rParamsFile)