Alsvinn  0.5.3
The fast FVM simulator with UQ support
ENOCPU.hpp
Go to the documentation of this file.
1 /* Copyright (c) 2018 ETH Zurich, Kjetil Olsen Lye
2  * This program is free software: you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation, either version 3 of the License, or
5  * (at your option) any later version.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program. If not, see <http://www.gnu.org/licenses/>.
14  */
15 
16 #pragma once
17 #include <array>
18 #include "alsfvm/types.hpp"
21 
22 namespace alsfvm {
23 namespace reconstruction {
24 
30 template<int order>
31 class ENOCPU : public Reconstruction {
32 public:
33  ENOCPU(alsfvm::shared_ptr<memory::MemoryFactory>& memoryFactory,
34  size_t nx, size_t ny, size_t nz);
58  virtual void performReconstruction(const volume::Volume& inputVariables,
59  size_t direction,
60  size_t indicatorVariable,
61  volume::Volume& leftOut,
62  volume::Volume& rightOut, const ivec3& start = {0, 0, 0},
63  const ivec3& end = {0, 0, 0});
64 
70  virtual size_t getNumberOfGhostCells();
71 
72 private:
77  void makeDividedDifferenceArrays(size_t nx, size_t ny, size_t nz);
78 
79  void computeDividedDifferences(const memory::Memory<real>& input,
80  const ivec3& direction,
81  size_t level,
82  memory::Memory<real>& output,
83  const ivec3& start,
84  const ivec3& end);
85 
86  alsfvm::shared_ptr<alsfvm::memory::MemoryFactory> memoryFactory;
87  // For each level l, this will contain the divided differences for that
88  // level.
89  std::array < alsfvm::shared_ptr<memory::Memory<real> >,
90  order - 1 > dividedDifferences;
91 };
92 
93 
94 } // namespace alsfvm
95 } // namespace reconstruction
alsfvm::shared_ptr< reconstruction::Reconstruction > & reconstruction
Definition: NumericalFluxFactory.cpp:101
ENOCPU(alsfvm::shared_ptr< memory::MemoryFactory > &memoryFactory, size_t nx, size_t ny, size_t nz)
Definition: ENOCPU.cpp:31
The Volume class represents a volume (a collection of cells with values for each cell (eg...
Definition: Volume.hpp:30
size_t nx
Definition: VolumeFactory.cpp:87
Definition: Reconstruction.hpp:21
Definition: Memory.hpp:28
size_t ny
Definition: VolumeFactory.cpp:88
virtual void performReconstruction(const volume::Volume &inputVariables, size_t direction, size_t indicatorVariable, volume::Volume &leftOut, volume::Volume &rightOut, const ivec3 &start={0, 0, 0}, const ivec3 &end={0, 0, 0})
Definition: ENOCPU.cpp:42
size_t nz
Definition: VolumeFactory.cpp:89
Various utility functions to implement the tecno flux.
Definition: types.hpp:30
virtual size_t getNumberOfGhostCells()
getNumberOfGhostCells returns the number of ghost cells we need for this computation ...
Definition: ENOCPU.cpp:191
Definition: ENOCPU.hpp:31