FhSim  3.1.0
Marine systems simulation
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CenterWeight.h
1#pragma once
2
113#include <fhsim/simobject/SimObject.h>
114#include <fhsim_environment/BodyFlowInteraction.h>
115#include <fhsim_environment/EnvironmentProvider.h>
116#include <fhsim_environment/SeafloorForcesInterface.h>
117#include <fhsim_environment/hydrodynamics/SphereHydro.h>
118#include <optional>
119#include <string>
120
121class CenterWeight : public SimObject
122{
123public:
124 CenterWeight(std::string simObjectName, ISimObjectCreator* creator);
125
127 virtual void OdeFcn(const double dT, const double* const adX,
128 double* const adXDot) const;
129
137 bool HasJacobians() const override;
138 void OdeJacobian(double T, const double* X, double* J, int nStates) override;
139 int GetJacobianSparsity(int nStates, int* rowPtr, int* colIdx) override;
140 bool HasPortJacobians() const override;
141 void InputPortJacobian(const std::string& portName, double T, const double* X,
142 double* dF_dInput, int portSize, int nStates) override;
144#ifdef FH_VISUALIZATION
146 void RenderInit(Ogre::Root* const ogreRoot, ISimObjectCreator* const creator);
148 void RenderUpdate(const double T, const double* const X);
149#endif
150 void FinalSetup(const double dT, const double* const adX, ISimObjectCreator* const creator);
152 void PreOdeFcn(double T, const double* X) override;
153 virtual const double* Position(const double dT, const double* const adX);
154 virtual const double* Velocity(const double dT, const double* const adX);
155
156protected:
158 void waterVelocity(double T, const double* X, double velocity[3]) const;
159
160 ISignalPort* m_inForce1;
161 ISignalPort* m_inForce2;
162 ISignalPort* m_inForce3;
165
166 double m_mass;
167 double m_density;
168 double m_visualizationScale;
169 double m_radius;
170 double m_weight;
171 double m_rhoWater;
172
173 environment::sphere_hydro::Sphere m_sphere;
174 std::optional<environment::sphere_hydro::SphereCaster> m_caster;
175 environment::wake::BodyFlowInteraction m_flow;
176
177 environment::SeafloorForcesInterface* m_seafloor;
178 mutable bool m_inBottomContact = false;
179
180#ifdef FH_VISUALIZATION
181 std::string m_material;
182 std::string m_meshName;
183 double m_scale;
184 Ogre::Entity* m_renderEntity;
185 Ogre::SceneNode* m_renderNode;
186 Ogre::SceneManager* m_sceneMgr;
187#endif
188};
Definition CenterWeight.h:122
std::optional< environment::sphere_hydro::SphereCaster > m_caster
The sphere on its states, for the wake.
Definition CenterWeight.h:174
double m_rhoWater
The water density Rho [kg/m^3].
Definition CenterWeight.h:171
virtual void OdeFcn(const double dT, const double *const adX, double *const adXDot) const
Calculates the state derivatives.
int m_IStateVel
The index of the velocity state.
Definition CenterWeight.h:164
void waterVelocity(double T, const double *X, double velocity[3]) const
The water velocity at the weight: the BodyFlowInteraction's, without the weight's own wake.
ISignalPort * m_inForce2
A pointer to the input force 2.
Definition CenterWeight.h:161
void PreOdeFcn(double T, const double *X) override
Rebuilds the weight's wake when due and takes the other objects' wakes at the weight.
environment::wake::BodyFlowInteraction m_flow
The wake the weight casts and receives.
Definition CenterWeight.h:175
bool m_inBottomContact
Whether the seafloor force was non-zero at the last OdeFcn state.
Definition CenterWeight.h:178
int m_IStatePos
The index of the position state.
Definition CenterWeight.h:163
ISignalPort * m_inForce3
A pointer to the input force 3.
Definition CenterWeight.h:162
environment::sphere_hydro::Sphere m_sphere
ρ, D = 2 r and C_d of the drag.
Definition CenterWeight.h:173
ISignalPort * m_inForce1
A pointer to the input force 1.
Definition CenterWeight.h:160