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张壹
2024-09-10 20:19:20 +08:00
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examples/gobser_tri2d_ex.cpp Normal file
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/********************************************************
* ██████╗ ██████╗████████╗██╗
* ██╔════╝ ██╔════╝╚══██╔══╝██║
* ██║ ███╗██║ ██║ ██║
* ██║ ██║██║ ██║ ██║
* ╚██████╔╝╚██████╗ ██║ ███████╗
* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
* Geophysical Computational Tools & Library (GCTL)
*
* Copyright (c) 2022 Yi Zhang (yizhang-geo@zju.edu.cn)
*
* GCTL is distributed under a dual licensing scheme. You can redistribute
* it and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either version 2
* of the License, or (at your option) any later version. You should have
* received a copy of the GNU Lesser General Public License along with this
* program. If not, see <http://www.gnu.org/licenses/>.
*
* If the terms and conditions of the LGPL v.2. would prevent you from using
* the GCTL, please consider the option to obtain a commercial license for a
* fee. These licenses are offered by the GCTL's original author. As a rule,
* licenses are provided "as-is", unlimited in time for a one time fee. Please
* send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget
* to include some description of your company and the realm of its activities.
* Also add information on how to contact you by electronic and paper mail.
******************************************************/
#include "gctl/core.h"
#include "gctl/io.h"
#include "gctl/potential.h"
using namespace gctl;
int main(int argc, char const *argv[])
{
try
{
int obs_num = 101;
// set up observation points
array<point2dc> obs_loc;
linespace(point2dc(0.0, 0.0), point2dc(200.0, 0.0), obs_num, obs_loc);
// set nodes locations
array<vertex2dc> node_vert(3);
node_vert[0].set(point2dc(80.0, -30.0));
node_vert[1].set(point2dc(105.0, -60.0));
node_vert[2].set(point2dc(106.0, -10.0));
// set triangular elements
array<double> rho(2, 1.0);
array<triangle2d> tri(2);
// anti-clock wise
tri[0].set(node_vert[0], node_vert[1], node_vert[2]); // set triangle's vertex from existing vertex
tri[1].set(point2dc(135.0, -5.0), point2dc(141.0, -40.0), point2dc(145.0, -15.0)); // set triangle's vertex from parameters
// forward modeling
array<double> g(obs_num);
array<double> gx(obs_num);
array<double> gz(obs_num);
gobser(g, tri, obs_loc, rho, gctl::Vz);
gobser(gx, tri, obs_loc, rho, gctl::Tzx);
gobser(gz, tri, obs_loc, rho, gctl::Tzz);
for (int i = 0; i < obs_num; ++i)
{
std::cout << obs_loc[i] << " " << g[i] << " " << gx[i] << " " << gz[i] << std::endl;
}
}
catch (std::exception &e)
{
GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
}
return 0;
}