Seismic.h

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// SPDX-License-Identifier: MIT
// Copyright (c) 2021-2025 MPM-Geomechanics Development Team
 
#pragma once
 
#include "Mesh/Mesh.h"
 
#include <Eigen/Dense>
#include <vector>
#include <string>
 
struct SeismicData
{
    std::vector<double> time;
    std::vector<Eigen::Vector3d> acceleration;
};
 
struct SeismicAnalysis 
{
    bool isActive = false;
    bool hasHeader = true;
    std::string filename = "";
};
 
namespace Seismic
{
    void setSeismicData();
 
    SeismicData& getSeismicData();
    
    SeismicAnalysis& getSeismicAnalysis();
    
    void setSeismicAnalysis(const SeismicAnalysis& info);
    
    void applySeismicVelocityMarkedSTLNodes(Mesh* mesh);
    
    void updateSeismicVectors(const double currentTime, const double dt);
 
    void markSeismicNodes(double epsilon, Mesh* mesh);
 
    const std::vector<int>& getSeismicNodeIndices();
    
    bool isSeismicNode(int nodeId);
 
    const Eigen::Vector3d& getAccumulatedVelocity();
 
    const Eigen::Vector3d& getAcceleration();
 
    void disableSeismicAnalysis();
}