/*************************************************************************
* MeshOpt 类的构造函数. *
*************************************************************************/
MeshOpt::MeshOpt(const string& object_name,
tbox::Pointer<tbox::Database> input_db,
tbox::Pointer< appu::DeformingGridInputUtilities2 > grid_tool,
tbox::Pointer<geom::MultiblockDeformingGridGeometry<NDIM> > grid_geom)
{
#ifdef DEBUG_CHECK_ASSERTIONS
assert(!object_name.empty());
assert(!input_db.isNull());
assert(!grid_geom.isNull());
assert(!grid_tool.isNull());
#endif
d_grid_geometry = grid_geom;
d_grid_tool = grid_tool;
getFromInput(input_db);
d_flag = 0;
// 为影像区的宽度赋值.
d_zeroghosts = hier::IntVector<NDIM>(0);
d_oneghosts = hier::IntVector<NDIM>(1);
// 创建所有变量及数据片索引号, 注册可视化数据片.
registerModelVariables();
}
FACPreconditioner::FACPreconditioner(
const std::string& object_name,
Pointer<FACPreconditionerStrategy> fac_strategy,
tbox::Pointer<tbox::Database> input_db)
: d_object_name(object_name),
d_is_initialized(false),
d_fac_strategy(fac_strategy),
d_hierarchy(NULL),
d_coarsest_ln(0),
d_finest_ln(0),
d_cycle_type(V_CYCLE),
d_num_pre_sweeps(1),
d_num_post_sweeps(1),
d_f(),
d_r(),
d_do_log(false)
{
/*
* Register this class with the FACPreconditionerStrategy object.
*/
d_fac_strategy->setFACPreconditioner(Pointer<FACPreconditioner>(this,false));
/*
* Initialize object with data read from input database.
*/
if (!input_db.isNull())
{
getFromInput(input_db);
}
return;
}// FACPreconditioner
void
FACPreconditioner::getFromInput(
tbox::Pointer<tbox::Database> db)
{
if (db.isNull()) return;
MGCycleType cycle_type = string_to_enum<MGCycleType>(db->getStringWithDefault("cycle_type", enum_to_string<MGCycleType>(d_cycle_type)));
setMGCycleType(cycle_type);
int num_pre_sweeps = db->getIntegerWithDefault("num_pre_sweeps", d_num_pre_sweeps);
setNumPreSmoothingSweeps(num_pre_sweeps);
int num_post_sweeps = db->getIntegerWithDefault("num_post_sweeps", d_num_post_sweeps);
setNumPostSmoothingSweeps(num_post_sweeps);
bool logging = db->getBoolWithDefault("enable_logging", d_do_log);
enableLogging(logging);
return;
}// getFromInput
