WarpX
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#include <FieldEnergy.H>
Public Member Functions | |
FieldEnergy (const std::string &rd_name) | |
void | ComputeDiags (int step) final |
amrex::Real | ComputeNorm2RZ (const amrex::MultiFab &field, int lev) |
Calculate the integral of the field squared in RZ. More... | |
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ReducedDiags (const std::string &rd_name) | |
virtual | ~ReducedDiags ()=default |
ReducedDiags (const ReducedDiags &)=default | |
ReducedDiags & | operator= (const ReducedDiags &)=default |
ReducedDiags (ReducedDiags &&)=default | |
ReducedDiags & | operator= (ReducedDiags &&)=default |
virtual void | InitData () |
virtual void | LoadBalance () |
virtual void | WriteToFile (int step) const |
void | BackwardCompatibility () const |
Additional Inherited Members | |
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std::string | m_path = "./diags/reducedfiles/" |
output path (default) More... | |
std::string | m_extension = "txt" |
output extension (default) More... | |
std::string | m_rd_name |
diags name More... | |
utils::parser::IntervalsParser | m_intervals |
output intervals More... | |
bool | m_write_header = false |
check if header should be written More... | |
std::string | m_sep = " " |
separator in the output file More... | |
int | m_precision = 14 |
precision for data in the output file More... | |
std::vector< amrex::Real > | m_data |
output data More... | |
This class mainly contains a function that computes the field energy.
FieldEnergy::FieldEnergy | ( | const std::string & | rd_name | ) |
constructor
[in] | rd_name | reduced diags names |
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finalvirtual |
This function computes the field energy (EF): EF = sum( 1/2 * (|E|^2 * eps0 + |B|^2 / mu0) * dV ), where E is the electric field, B is the magnetic field, eps0 is the vacuum permittivity, mu0 is the vacuum permeability, dV is the cell volume (area, in 2D) and the sum is over all cells.
[in] | step | current time step |
Implements ReducedDiags.
amrex::Real FieldEnergy::ComputeNorm2RZ | ( | const amrex::MultiFab & | field, |
int | lev | ||
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Calculate the integral of the field squared in RZ.
field | The MultiFab to be integrated |
lev | The refinement level |