gctl_potential/example/mobser_tri_sph_ex.cpp
2024-09-10 19:56:41 +08:00

111 lines
3.6 KiB
C++

/********************************************************
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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/io.h"
#include "gctl/geometry.h"
#include "../lib/potential.h"
using namespace gctl;
int main(int argc, char const *argv[])
{
array<vertex3dc> node;
array<mag_triangle> mag_ele;
gmshio fio;
fio.init_file("data/stt/stt_2d.msh", gctl::Input);
fio.set_packed(gctl::Packed, gctl::Input);
fio.read_mesh(mag_ele, node);
array<magtri_para> mag_para;
array<double> sus(mag_ele.size(), 1.0);
mag_dipole md;
md.M = 7.94e+22;
md.n.set(point3dc(0.0, 0.0, 1.0));
point3ds cen_s;
array<point3dc> mag_B(mag_ele.size());
for (size_t i = 0; i < mag_ele.size(); i++)
{
cen_s = mag_ele[i].center().c2s();
cen_s.rad -= 20000;
mag_B[i] = magkernel_single(md, cen_s.s2c());
}
callink_magnetic_para(mag_ele, mag_para, mag_B);
// 设置观测点位
array<point3ds> obsp(mag_ele.size());
for (size_t i = 0; i < mag_ele.size(); i++)
{
obsp[i] = mag_ele[i].center().c2s();
obsp[i].rad += 400000;
}
// 正演计算
array<double> obsval(obsp.size());
array<point3dc> obsgrad, obsgrad2;
// 正演磁分量数据
magobser(obsgrad, mag_ele, obsp, sus, ShortMsg);
// 改变球体半径大小
for (size_t i = 0; i < node.size(); i++)
{
node[i].set2module(6371008.8 - 40000);
}
callink_magnetic_para(mag_ele, mag_para, mag_B);
magobser(obsgrad2, mag_ele, obsp, sus, ShortMsg);
// 保存网格
fio.init_file("data/stt/stt_2d_out.msh", gctl::Output);
fio.set_packed(gctl::NotPacked, gctl::Output);
fio.save_mesh(mag_ele, node);
for (int i = 0; i < obsp.size(); ++i)
{
obsval[i] = obsgrad[i].x - obsgrad2[i].x;
}
fio.save_data("Br", obsval, ElemData);
for (int i = 0; i < obsp.size(); ++i)
{
obsval[i] = obsgrad[i].y - obsgrad2[i].y;
}
fio.save_data("Bt", obsval, ElemData);
for (int i = 0; i < obsp.size(); ++i)
{
obsval[i] = obsgrad[i].z - obsgrad2[i].z;
}
fio.save_data("Bp", obsval, ElemData);
return 0;
}