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1 : //* This file is part of the MOOSE framework 2 : //* https://mooseframework.inl.gov 3 : //* 4 : //* All rights reserved, see COPYRIGHT for full restrictions 5 : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT 6 : //* 7 : //* Licensed under LGPL 2.1, please see LICENSE for details 8 : //* https://www.gnu.org/licenses/lgpl-2.1.html 9 : 10 : #include "ExodusTimeSequenceStepper.h" 11 : #include "MooseUtils.h" 12 : #include "libmesh/serial_mesh.h" 13 : #include "libmesh/exodusII_io.h" 14 : 15 : using namespace libMesh; 16 : 17 : registerMooseObject("MooseApp", ExodusTimeSequenceStepper); 18 : 19 : InputParameters 20 14327 : ExodusTimeSequenceStepper::validParams() 21 : { 22 14327 : InputParameters params = TimeSequenceStepperBase::validParams(); 23 57308 : params.addRequiredParam<MeshFileName>( 24 : "mesh", 25 : "The name of the mesh file to extract the time sequence from (must be an exodusII file)."); 26 14327 : params.addClassDescription("Solves the Transient problem at a sequence of time points taken from " 27 : "a specified exodus file."); 28 14327 : return params; 29 0 : } 30 : 31 31 : ExodusTimeSequenceStepper::ExodusTimeSequenceStepper(const InputParameters & parameters) 32 62 : : TimeSequenceStepperBase(parameters), _mesh_file(getParam<MeshFileName>("mesh")) 33 : { 34 31 : } 35 : 36 : void 37 31 : ExodusTimeSequenceStepper::init() 38 : { 39 : // Read the Exodus file on processor 0 40 31 : std::vector<Real> times; 41 31 : if (processor_id() == 0) 42 : { 43 : // Check that the required file exists 44 23 : MooseUtils::checkFileReadable(_mesh_file); 45 : 46 : // dummy mesh 47 23 : ReplicatedMesh mesh(_communicator); 48 : 49 23 : ExodusII_IO exodusII_io(mesh); 50 23 : exodusII_io.read(_mesh_file); 51 23 : times = exodusII_io.get_time_steps(); 52 23 : } 53 : 54 : // distribute timestep list 55 31 : unsigned int num_steps = times.size(); 56 31 : _communicator.broadcast(num_steps); 57 31 : times.resize(num_steps); 58 31 : _communicator.broadcast(times); 59 : 60 31 : setupSequence(times); 61 31 : }