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124 lines
2.6 KiB
C++
124 lines
2.6 KiB
C++
/*------------------------------- phasicFlow ---------------------------------
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O C enter of
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O O E ngineering and
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O O M ultiscale modeling of
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OOOOOOO F luid flow
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------------------------------------------------------------------------------
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Copyright (C): www.cemf.ir
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email: hamid.r.norouzi AT gmail.com
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------------------------------------------------------------------------------
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Licence:
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This file is part of phasicFlow code. It is a free software for simulating
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granular and multiphase flows. You can redistribute it and/or modify it under
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the terms of GNU General Public License v3 or any other later versions.
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phasicFlow is distributed to help others in their research in the field of
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granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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-----------------------------------------------------------------------------*/
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#ifndef __AdamsBashforth2_hpp__
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#define __AdamsBashforth2_hpp__
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#include "integration.hpp"
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#include "pointFields.hpp"
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namespace pFlow
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{
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/**
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* Second order Adams-Bashforth integration method for solving ODE
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*
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* This is a one-step integration method and does not have prediction step.
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*
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*/
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class AdamsBashforth2
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:
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public integration,
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public realx3PointField_D
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{
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private:
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auto& dy1()
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{
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return static_cast<realx3PointField_D&>(*this);
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}
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public:
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/// Class info
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ClassInfo("AdamsBashforth2");
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// - Constructors
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/// Construct from components
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AdamsBashforth2(
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const word& baseName,
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pointStructure& pStruct,
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const word& method,
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const realx3Field_D& initialValField);
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/// Destructor
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~AdamsBashforth2()final = default;
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/// Add this to the virtual constructor table
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add_vCtor(
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integration,
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AdamsBashforth2,
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word);
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// - Methods
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/// return integration method
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word method()const override
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{
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return "AdamsBashforth2";
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}
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bool predict(
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real UNUSED(dt),
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realx3PointField_D& UNUSED(y),
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realx3PointField_D& UNUSED(dy)) final;
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bool predict(
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real dt,
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realx3Field_D& y,
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realx3PointField_D& dy) final;
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bool correct(
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real dt,
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realx3PointField_D& y,
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realx3PointField_D& dy) final;
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bool correct(
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real dt,
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realx3Field_D& y,
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realx3PointField_D& dy) final;
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/*bool hearChanges
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(
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real t,
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real dt,
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uint32 iter,
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const message& msg,
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const anyList& varList
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) override;*/
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bool setInitialVals(
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const int32IndexContainer& newIndices,
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const realx3Vector& y) final;
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bool needSetInitialVals()const final
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{
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return false;
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}
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};
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} // pFlow
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#endif //__integration_hpp__
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