Chaste Commit::baa90ac2819b962188b7562f2326be23c47859a7
NonPhysiologicalContractionModel.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
37#include "NonPhysiologicalContractionModel.hpp"
38#include <math.h>
39
40#include <iostream>
41
44{
45 assert(option>=1);
46 assert(option<=3);
47
48 mOption = option;
49 mStretch = 1.0;
50}
51
52
56
57void NonPhysiologicalContractionModel::SetStretchAndStretchRate(double stretch, double stretchRate)
58{
59 mStretch = stretch;
60}
61
63{
64 if (mOption==1)
65 {
66 // If solving mechanics problem, results using implicit and explicit solvers are identical, as they should be
67 return fabs(sin(mTime));
68 }
69 else if (mOption==2)
70 {
71 // small error between implicit and explicit at lowest dt
72 // next dt, small difference between explicit at lowest dt, mostly due to first timestep
73 // largest dt (1ms) completely wrong after first timestep => solution translated across
74 return fabs(5*mStretch*sin(mTime));
75 }
76 else
77 {
78 // same conclusions as for above
79 return fabs(5*exp(1-mStretch)*sin(mTime));
80 }
81}
82
void SetStretchAndStretchRate(double stretch, double stretchRate)
void SetInputParameters(ContractionModelInputParameters &rInputParameters)