134 lines
6.2 KiB
C++
134 lines
6.2 KiB
C++
/********************************************************
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* ██████╗ ██████╗████████╗██╗
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* ██╔════╝ ██╔════╝╚══██╔══╝██║
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* ██║ ███╗██║ ██║ ██║
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* ██║ ██║██║ ██║ ██║
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* ╚██████╔╝╚██████╗ ██║ ███████╗
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* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
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* Geophysical Computational Tools & Library (GCTL)
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*
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* Copyright (c) 2022 Yi Zhang (yizhang-geo@zju.edu.cn)
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*
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* GCTL is distributed under a dual licensing scheme. You can redistribute
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* it and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, either version 2
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* of the License, or (at your option) any later version. You should have
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* received a copy of the GNU Lesser General Public License along with this
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* program. If not, see <http://www.gnu.org/licenses/>.
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*
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* If the terms and conditions of the LGPL v.2. would prevent you from using
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* the GCTL, please consider the option to obtain a commercial license for a
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* fee. These licenses are offered by the GCTL's original author. As a rule,
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* licenses are provided "as-is", unlimited in time for a one time fee. Please
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* send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget
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* to include some description of your company and the realm of its activities.
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* Also add information on how to contact you by electronic and paper mail.
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******************************************************/
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#ifndef _GCTL_MAG_KERNEL_TETRAHEDRON_H
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#define _GCTL_MAG_KERNEL_TETRAHEDRON_H
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#include "gm_data.h"
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namespace gctl
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{
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/**
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* @brief 四面体磁性参数结构体
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*
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*/
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struct magtet_para
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{
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point3dc B; ///< 磁化强度矢量 directional magnetizations
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tensor F[4]; ///< 面的张量积 tensor products of four facets
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tensor E[12]; ///< 边的张量积 tensor products of six edges
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double edglen[12]; ///< 边的长度 edge lengths of six edges
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};
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typedef type_tetrahedron<magtet_para> mag_tetrahedron; ///< 带磁性参数的四面体结构体
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/**
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* @brief Calculate the magnetic parameters of given tetrahedral elements.
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*
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* @param in_tet Input and output elements
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* @param out_para Output parameters
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* @param mag_B magnetization vecrtors
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*/
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void callink_magnetic_para(array<mag_tetrahedron> &in_tet, array<magtet_para> &out_para, const array<point3dc> &mag_B);
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/**
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* @brief Calculate the magnetic parameters of given tetrahedral elements.
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*
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* @note The value of magnetic susceptibility is taken as one here. This is usefull for calculating
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* kernel matrix of the magnetic anomalies.
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*
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* @param in_tet Input and output elements
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* @param out_para Output parameters
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* @param inclina_deg inclination angle
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* @param declina_deg declination angle
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* @param field_tense Tense of the Earth's magnetic field
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*/
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void callink_magnetic_para_earth(array<mag_tetrahedron> &in_tet, array<magtet_para> &out_para,
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double inclina_deg, double declina_deg, double field_tense = GCTL_T0);
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/**
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* @brief Calculate the magnetic parameters of given tetrahedral elements wrt. the spherical coordinates.
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*
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* @note The value of magnetic susceptibility is taken as one here. This is usefull for calculating
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* kernel matrix of the magnetic anomalies.
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*
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* @param in_tet Input elements
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* @param out_para Output parameters
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* @param inclina_deg inclination angle of the magnetization vector wrt. the local Cartesian coordinates at every tetrahedral elements
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* @param declina_deg declination angle of the magnetization vector wrt. the local Cartesian coordinates at every tetrahedral elements
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* @param mag_vec Output magnetization vectors (This is useful for data visualization)
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* @param field_tense Tense of the Earth's magnetic field
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*/
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void callink_magnetic_para_earth_sph(array<mag_tetrahedron> &in_tet, array<magtet_para> &out_para,
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double inclina_deg, double declina_deg, array<point3dc> *mag_vec = nullptr, double field_tense = GCTL_T0);
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/**
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* @brief Calculate the magnetic componments of a single tetrahedron element under the Cartesian coordinates
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*
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* @param out_b The output magnetic componments
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* @param a_ele The tetrahedron element
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* @param a_op The observation point
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* @return point3dc The returned magnetic componments
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*/
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point3dc magkernel_single(const mag_tetrahedron &a_ele, const point3dc &a_op);
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/**
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* @brief Calculate the magnetic componments of a single tetrahedron element under the spherical coordinates
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*
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* @param a_ele The tetrahedron element
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* @param a_op The observation point
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* @param R_ptr Pointer of the coordinate transform matrix. This is used to speed up the computation.
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* @return point3dc The returned magnetic componments
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*/
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point3dc magkernel_single(const mag_tetrahedron &a_ele, const point3ds &a_op, tensor *R_ptr = nullptr);
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/**
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* @brief Calculate the magnetic componments of tetrahedron elements under the Cartesian coordinates
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*
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* @param out_obs Output magnetic field data. Directional components are stored accordingly.
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* @param ele The tetrahedron elements
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* @param obsp The observation points
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* @param sus Magnetic susceptibilities
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* @param verbose Output info level
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*/
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void magobser(array<point3dc> &out_obs, const array<mag_tetrahedron> &ele, const array<point3dc> &obsp,
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const array<double> &sus, verbose_type_e verbose = FullMsg);
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/**
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* @brief Calculate the magnetic componments of tetrahedron elements under the Spherical coordinates
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*
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* @param out_obs Output magnetic field data. Directional components are stored accordingly.
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* @param ele The tetrahedron elements
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* @param obsp The observation points
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* @param sus Magnetic susceptibilities
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* @param verbose Output info level
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*/
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void magobser(array<point3dc> &out_obs, const array<mag_tetrahedron> &ele, const array<point3ds> &obsp,
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const array<double> &sus, verbose_type_e verbose = FullMsg);
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}
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#endif // _GCTL_MAG_KERNEL_TETRAHEDRON_H
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