mirror of
https://gitlab.kitware.com/vtk/vtk-m
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38 lines
1.4 KiB
C++
38 lines
1.4 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#include <vtkm/Math.h>
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class ABCfield
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{
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public:
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void calculateVelocity(double* location, double t, double* velocity)
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{
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double ep = 0.25;
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double period = 1.0;
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double sinval = ep * vtkm::Sin(period * t);
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velocity[0] = vtkm::Sin(location[2] + sinval) + vtkm::Cos(location[1] + sinval);
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velocity[1] = vtkm::Sin(location[0] + sinval) + vtkm::Cos(location[2] + sinval);
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velocity[2] = vtkm::Sin(location[1] + sinval) + vtkm::Cos(location[0] + sinval);
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}
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};
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