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89 lines
3.0 KiB
89 lines
3.0 KiB
//
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// Created by Wei Chen on 22-10-31.
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//
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#ifndef BOUNDARYCONDITIONS_HPP
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#define BOUNDARYCONDITIONS_HPP
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#include <utility>
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#include <Eigen/Eigen>
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#include <igl/read_triangle_mesh.h>
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#include <spdlog/spdlog.h>
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#include "Utils.hpp"
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namespace ssim {
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struct DirichletBC {
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DirichletBC(Eigen::Vector3d p_relMinBBox,
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Eigen::Vector3d p_relMaxBBox,
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const std::array<double, 2> &p_timeRange = {0.0, std::numeric_limits<double>::infinity()}) :
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relMinBBox(std::move(p_relMinBBox)),
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relMaxBBox(std::move(p_relMaxBBox)),
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timeRange(p_timeRange) {}
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void calcAbsBBox(const Eigen::Vector3d &modelMinBBox,
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const Eigen::Vector3d &modelMaxBBox) {
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Eigen::Vector3d modelLength = modelMaxBBox - modelMinBBox;
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absMinBBox = modelMinBBox + (modelLength.array() * relMinBBox.array()).matrix();
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absMaxBBox = modelMinBBox + (modelLength.array() * relMaxBBox.array()).matrix();
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}
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bool inDBC(const Eigen::Vector3d &p) {
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return (p.array() >= absMinBBox.array()).all() && (p.array() <= absMaxBBox.array()).all();
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}
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bool isActive(double stepStartTime) const {
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return stepStartTime >= timeRange[0] && stepStartTime < timeRange[1];
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}
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std::array<double, 2> timeRange = {0.0, std::numeric_limits<double>::infinity()};
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Eigen::Vector3d relMinBBox;
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Eigen::Vector3d relMaxBBox;
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Eigen::Vector3d absMinBBox;
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Eigen::Vector3d absMaxBBox;
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};
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struct NeumannBC {
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NeumannBC(Eigen::Vector3d p_relMinBBox,
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Eigen::Vector3d p_relMaxBBox,
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Eigen::Vector3d p_force,
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const std::array<double, 2> &p_timeRange = {0.0, std::numeric_limits<double>::infinity()}) :
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relMinBBox(std::move(p_relMinBBox)),
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relMaxBBox(std::move(p_relMaxBBox)),
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force(std::move(p_force)),
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timeRange(p_timeRange) {}
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void calcAbsBBox(const Eigen::Vector3d &modelMinBBox,
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const Eigen::Vector3d &modelMaxBBox) {
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Eigen::Vector3d modelLength = modelMaxBBox - modelMinBBox;
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absMinBBox = modelMinBBox + (modelLength.array() * relMinBBox.array()).matrix();
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absMaxBBox = modelMinBBox + (modelLength.array() * relMaxBBox.array()).matrix();
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}
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bool inNBC(const Eigen::Vector3d &p) {
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return (p.array() >= absMinBBox.array()).all() && (p.array() <= absMaxBBox.array()).all();
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}
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bool isActive(double stepStartTime) const {
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return stepStartTime >= timeRange[0] && stepStartTime < timeRange[1];
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}
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std::array<double, 2> timeRange = {0.0, std::numeric_limits<double>::infinity()};
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Eigen::Vector3d relMinBBox;
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Eigen::Vector3d relMaxBBox;
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Eigen::Vector3d absMinBBox;
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Eigen::Vector3d absMaxBBox;
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Eigen::Vector3d force;
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};
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} // SIM
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#endif // BOUNDARYCONDITIONS_HPP
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