Performs FFT of pressure field to generate noise data. More...
Public Member Functions | |
noiseFFT (const scalar deltaT, const label windowSize=-1) | |
Construct from pressure field. More... | |
~noiseFFT () | |
Destructor. Cleanup/destroy plan. More... | |
void | setData (scalarList &data) |
Set the pressure data. More... | |
void | setData (const fileName &pFileName, const label skip=0) |
Set the pressure data by reading from file with an optional offset. More... | |
graph | pt () const |
Return the graph of pressure as a function of time. More... | |
tmp< scalarField > | Pf (const tmp< scalarField > &pn) const |
Return the fft of the given pressure data. More... | |
graph | meanPf (const windowModel &window) const |
Return the multi-window mean fft of the complete pressure data [Pa]. More... | |
graph | RMSmeanPf (const windowModel &window) const |
Return the multi-window RMS mean fft of the complete pressure. More... | |
graph | PSDf (const windowModel &window) const |
Return the multi-window PSD (power spectral density) of the complete. More... | |
graph | PSD (const graph &gPSDf) const |
Return the PSD [dB/Hz]. More... | |
graph | octaves (const graph &g, const labelUList &freqBandIDs) const |
Generate octave data. More... | |
scalar | dbToPa (const scalar db) const |
Convert the db into Pa. More... | |
tmp< scalarField > | dbToPa (const tmp< scalarField > &db) const |
Convert the db-field into Pa. More... | |
Public Member Functions inherited from Field< scalar > | |
constexpr | Field () noexcept |
Default construct. More... | |
Field (const label len) | |
Construct given size. More... | |
Field (const label len, const scalar &val) | |
Construct given size and initial value. More... | |
Field (const label len, const Foam::zero) | |
Construct given size and initial values of zero. More... | |
Field (const Foam::one, const scalar &val) | |
Construct with length=1, copying the value as the only content. More... | |
Field (const Foam::one, scalar &&val) | |
Construct with length=1, moving the value as the only content. More... | |
Field (const Foam::one, const Foam::zero) | |
Construct with length=1, initializing content to zero. More... | |
Field (const Field< scalar > &fld) | |
Copy construct. More... | |
Field (const UList< scalar > &list) | |
Copy construct from UList<Type> More... | |
Field (const IndirectListBase< scalar, Addr > &list) | |
Copy construct from IndirectList. More... | |
Field (Field< scalar > &&fld) noexcept | |
Move construct from Field. More... | |
Field (List< scalar > &&list) noexcept | |
Move construct from List. More... | |
Field (DynamicList< scalar, SizeMin > &&list) | |
Move construct from DynamicList. More... | |
Field (const UList< scalar > &mapF, const labelUList &mapAddressing) | |
Construct by 1 to 1 mapping from the given field. More... | |
Field (const tmp< Field< scalar >> &tmapF, const labelUList &mapAddressing) | |
Construct by 1 to 1 mapping from the given tmp field. More... | |
Field (const UList< scalar > &mapF, const labelListList &mapAddressing, const scalarListList &weights) | |
Construct by interpolative mapping from the given field. More... | |
Field (const tmp< Field< scalar >> &tmapF, const labelListList &mapAddressing, const scalarListList &weights) | |
Construct by interpolative mapping from the given tmp field. More... | |
Field (const UList< scalar > &mapF, const FieldMapper &map, const bool applyFlip=true) | |
Construct by mapping from the given field. More... | |
Field (const UList< scalar > &mapF, const FieldMapper &map, const scalar &defaultValue, const bool applyFlip=true) | |
Construct by mapping from the given field. More... | |
Field (const UList< scalar > &mapF, const FieldMapper &map, const UList< scalar > &defaultValues, const bool applyFlip=true) | |
Construct by mapping from the given field. More... | |
Field (const tmp< Field< scalar >> &tmapF, const FieldMapper &map, const bool applyFlip=true) | |
Construct by mapping from the given tmp field. More... | |
Field (const tmp< Field< scalar >> &tmapF, const FieldMapper &map, const scalar &defaultValue, const bool applyFlip=true) | |
Construct by mapping from the given tmp field. Uses supplied uniform value for unmapped items. More... | |
Field (const tmp< Field< scalar >> &tmapF, const FieldMapper &map, const UList< scalar > &defaultValues, const bool applyFlip=true) | |
Construct by mapping from the given tmp field. Uses supplied values for unmapped items. More... | |
Field (Field< scalar > &fld, bool reuse) | |
Copy construct or re-use as specified. More... | |
Field (const tmp< Field< scalar >> &tfld) | |
Copy or move construct from tmp. More... | |
Field (Istream &is) | |
Construct from Istream. More... | |
Field (const entry &e, const label len) | |
Construct from a dictionary (primitive) entry. More... | |
Field (const word &key, const dictionary &dict, const label len, IOobjectOption::readOption readOpt=IOobjectOption::MUST_READ) | |
Lookup of a primitive dictionary entry by (literal) name and assign its contents to this. The behaviour largely as described in assign(): More... | |
tmp< Field< scalar > > | clone () const |
Clone. More... | |
void | assign (const entry &e, const label len) |
Assign from a primitive dictionary entry with the following behaviour: More... | |
bool | assign (const word &key, const dictionary &dict, const label len, IOobjectOption::readOption readOpt=IOobjectOption::MUST_READ) |
Lookup a primitive dictionary entry by (literal) name and assign its contents to this (behaviour as described above). More... | |
void | map (const UList< scalar > &mapF, const labelUList &mapAddressing) |
1 to 1 map from the given field More... | |
void | map (const tmp< Field< scalar >> &tmapF, const labelUList &mapAddressing) |
1 to 1 map from the given tmp field More... | |
void | map (const UList< scalar > &mapF, const labelListList &mapAddressing, const scalarListList &weights) |
Interpolative map from the given field. More... | |
void | map (const tmp< Field< scalar >> &tmapF, const labelListList &mapAddressing, const scalarListList &weights) |
Interpolative map from the given tmp field. More... | |
void | map (const UList< scalar > &mapF, const FieldMapper &map, const bool applyFlip=true) |
Map from the given field. More... | |
void | map (const tmp< Field< scalar >> &tmapF, const FieldMapper &map, const bool applyFlip=true) |
Map from the given tmp field. More... | |
void | autoMap (const FieldMapper &map, const bool applyFlip=true) |
Map from self. More... | |
void | rmap (const UList< scalar > &mapF, const labelUList &mapAddressing) |
1 to 1 reverse-map from the given field More... | |
void | rmap (const tmp< Field< scalar >> &tmapF, const labelUList &mapAddressing) |
1 to 1 reverse-map from the given tmp field More... | |
void | rmap (const UList< scalar > &mapF, const labelUList &mapAddressing, const UList< scalar > &weights) |
Interpolative reverse map from the given field. More... | |
void | rmap (const tmp< Field< scalar >> &tmapF, const labelUList &mapAddressing, const UList< scalar > &weights) |
Interpolative reverse map from the given tmp field. More... | |
void | negate () |
Inplace negate this field (negative). More... | |
void | normalise () |
Inplace normalise this field. Generally a no-op except for vector fields. More... | |
void | normalise () |
void | normalise () |
void | normalise () |
Inplace normalise (float) vector field. More... | |
void | normalise () |
Inplace normalise (double) vector field. More... | |
tmp< Field< cmptType > > | component (const direction) const |
Return a component field of the field. More... | |
void | replace (const direction, const UList< cmptType > &) |
Replace a component field of the field. More... | |
void | replace (const direction, const tmp< Field< cmptType >> &) |
Replace a component field of the field. More... | |
void | replace (const direction, const cmptType &) |
Replace a component field of the field. More... | |
void | clamp_min (const scalar &lower) |
Impose lower (floor) clamp on the field values (in-place) More... | |
void | clamp_max (const scalar &upper) |
Impose upper (ceiling) clamp on the field values (in-place) More... | |
void | clamp_range (const scalar &lower, const scalar &upper) |
Clamp field values (in-place) to the specified range. More... | |
void | clamp_range (const MinMax< scalar > &range) |
Clamp field values (in-place) to the specified range. More... | |
VSForm | block (const label start) const |
tmp< Field< scalar > > | T () const |
Return the field transpose (only defined for second rank tensors) More... | |
void | writeEntry (const word &keyword, Ostream &os) const |
Write the field as a dictionary entry. More... | |
SubField< scalar > | slice (const label pos, label len=-1) |
Return SubField slice (non-const access) - no range checking. More... | |
const SubField< scalar > | slice (const label pos, label len=-1) const |
Return SubField slice (const access) - no range checking. More... | |
SubField< scalar > | slice (const labelRange &range) |
Return SubField slice (non-const access) - with range checking. More... | |
const SubField< scalar > | slice (const labelRange &range) const |
Return SubField slice (const access) - with range checking. More... | |
void | operator= (const Field< scalar > &) |
Copy assignment. More... | |
void | operator= (const tmp< Field< scalar >> &) |
void | operator= (const UList< scalar > &rhs) |
void | operator= (const SubField< scalar > &rhs) |
void | operator= (const IndirectListBase< scalar, Addr > &rhs) |
Copy assign from IndirectList. More... | |
void | operator= (Field< scalar > &&rhs) |
Move assignment. More... | |
void | operator= (List< scalar > &&rhs) |
void | operator= (DynamicList< scalar, SizeMin > &&rhs) |
void | operator= (const scalar &val) |
Assign entries to the given value. More... | |
void | operator= (const Foam::zero) |
Assign entries to zero. More... | |
void | operator= (const VectorSpace< Form, Cmpt, nCmpt > &) |
void | operator= (const tmp< Field > &rhs) |
void | operator+= (const UList< scalar > &) |
void | operator+= (const tmp< Field< scalar >> &) |
void | operator+= (const scalar &) |
void | operator-= (const UList< scalar > &) |
void | operator-= (const tmp< Field< scalar >> &) |
void | operator-= (const scalar &) |
void | operator*= (const UList< scalar > &) |
void | operator*= (const tmp< Field< scalar >> &) |
void | operator*= (const scalar &) |
void | operator/= (const UList< scalar > &) |
void | operator/= (const tmp< Field< scalar >> &) |
void | operator/= (const scalar &) |
Public Member Functions inherited from FieldBase | |
constexpr | FieldBase () noexcept |
Default construct. More... | |
Public Member Functions inherited from refCount | |
constexpr | refCount () noexcept |
Default construct, initializing count to 0. More... | |
int | use_count () const noexcept |
Return the current reference count. More... | |
bool | unique () const noexcept |
Return true if the reference count is zero. More... | |
void | operator++ () noexcept |
Increment the reference count. More... | |
void | operator++ (int) noexcept |
Increment the reference count. More... | |
void | operator-- () noexcept |
Decrement the reference count. More... | |
void | operator-- (int) noexcept |
Decrement the reference count. More... | |
Public Member Functions inherited from List< scalar > | |
constexpr | List () noexcept |
Default construct. More... | |
List (const label len) | |
Construct with given size. More... | |
List (const label len, const scalar &val) | |
Construct with given size and value for all elements. More... | |
List (const label len, const Foam::zero) | |
Construct with given size initializing all elements to zero. More... | |
List (const Foam::one, const scalar &val) | |
Construct with length=1, copying the value as the only content. More... | |
List (const Foam::one, scalar &&val) | |
Construct with length=1, moving the value as the only content. More... | |
List (const Foam::one, const Foam::zero) | |
Construct with length=1, initializing content to zero. More... | |
List (const List< scalar > &list) | |
Copy construct from list. More... | |
List (const UList< scalar > &list) | |
Copy construct contents from list. More... | |
List (List< scalar > &list, bool reuse) | |
Construct as copy or re-use as specified. More... | |
List (const UList< scalar > &list, const labelUList &indices) | |
Copy construct subset of list. More... | |
List (const UList< scalar > &list, const FixedList< label, N > &indices) | |
Copy construct subset of list. More... | |
List (const FixedList< scalar, N > &list) | |
Construct as copy of FixedList<T, N> More... | |
List (const PtrList< scalar > &list) | |
Construct as copy of PtrList<T> More... | |
List (const IndirectListBase< scalar, Addr > &list) | |
Construct as copy of IndirectList contents. More... | |
List (std::initializer_list< scalar > list) | |
Construct from an initializer list. More... | |
List (List< scalar > &&list) noexcept | |
Move construct from List. More... | |
List (DynamicList< scalar, SizeMin > &&list) | |
Move construct from DynamicList. More... | |
List (Istream &is) | |
Construct from Istream. More... | |
List (const SLList< scalar > &list) | |
Copy construct from SLList. More... | |
autoPtr< List< scalar > > | clone () const |
Clone. More... | |
~List () | |
Destructor. More... | |
void | clear () |
Clear the list, i.e. set size to zero. More... | |
void | resize (const label len) |
Adjust allocated size of list. More... | |
void | resize (const label len, const scalar &val) |
Adjust allocated size of list and set val for new elements. More... | |
void | resize (const label newLen) |
void | resize_fill (const label len, const scalar &val) |
Adjust allocated size of list and set val for all elements. More... | |
void | resize_nocopy (const label len) |
Adjust allocated size of list without necessarily. More... | |
void | resize_unsafe (const label len) noexcept |
Change the addressed list size directly without affecting any memory management (advanced usage). More... | |
void | setSize (const label n) |
Alias for resize() More... | |
void | setSize (const label n, const scalar &val) |
Alias for resize() More... | |
void | transfer (List< scalar > &list) |
Transfer the contents of the argument List into this list and annul the argument list. More... | |
void | transfer (DynamicList< scalar, SizeMin > &list) |
Transfer the contents of the argument List into this list and annul the argument list. More... | |
scalar & | newElmt (const label i) |
Return subscript-checked element of UList and resizing the list if required. More... | |
scalar & | emplace_back (Args &&... args) |
Construct an element at the end of the list, return reference to the new list element. More... | |
void | push_back (const scalar &val) |
Append an element at the end of the list. More... | |
void | push_back (scalar &&val) |
Move append an element at the end of the list. More... | |
void | push_back (const UList< scalar > &list) |
Append a List to the end of this list. More... | |
void | push_back (const IndirectListBase< scalar, Addr > &list) |
Append IndirectList contents at the end of this list. More... | |
label | push_uniq (const scalar &val) |
Append an element if not already in the list. More... | |
void | pop_back (label n=1) |
Reduce size by 1 or more elements. Can be called on an empty list. More... | |
void | operator= (const UList< scalar > &list) |
Assignment to UList operator. Takes linear time. More... | |
void | operator= (const List< scalar > &list) |
Assignment operator. Takes linear time. More... | |
void | operator= (const IndirectListBase< scalar, Addr > &list) |
Assignment from IndirectList. Takes linear time. More... | |
void | operator= (const FixedList< scalar, N > &list) |
Copy assignment from FixedList. More... | |
void | operator= (std::initializer_list< scalar > list) |
Assignment to an initializer list. More... | |
void | operator= (const scalar &val) |
Assignment of all entries to the given value. More... | |
void | operator= (const Foam::zero) |
Assignment of all entries to zero. More... | |
void | operator= (List< scalar > &&list) |
Move assignment. Takes constant time. More... | |
void | operator= (DynamicList< scalar, SizeMin > &&list) |
Move assignment. Takes constant time. More... | |
void | operator= (const SLList< scalar > &list) |
Copy assign from SLList in linear time. More... | |
Istream & | readList (Istream &is) |
Read List from Istream, discarding contents of existing List. More... | |
void | shallowCopy (const UList< scalar > &)=delete |
No shallowCopy permitted. More... | |
std::enable_if< std::is_same< bool, TypeT >::value, bool >::type | set (const label i, bool val=true) |
A bitSet::set() method for a list of bool. More... | |
void | append (const scalar &val) |
Append an element at the end of the list. More... | |
void | append (scalar &&val) |
Move append an element at the end of the list. More... | |
void | append (const UList< scalar > &list) |
Append a List to the end of this list. More... | |
void | append (const IndirectListBase< scalar, Addr > &list) |
Append IndirectList contents at the end of this list. More... | |
label | appendUniq (const scalar &val) |
Same as push_uniq() More... | |
Public Member Functions inherited from UList< T > | |
UList (const UList< T > &)=default | |
Copy construct. More... | |
constexpr | UList () noexcept |
Default construct, zero-sized and nullptr. More... | |
UList (T *__restrict__ v, const label len) noexcept | |
Construct from components. More... | |
label | fcIndex (const label i) const noexcept |
The forward circular index. The next index in the list which returns to the first at the end of the list. More... | |
label | rcIndex (const label i) const noexcept |
The reverse circular index. The previous index in the list which returns to the last at the beginning of the list. More... | |
const T & | fcValue (const label i) const |
Return forward circular value (ie, next value in the list) More... | |
T & | fcValue (const label i) |
Return forward circular value (ie, next value in the list) More... | |
const T & | rcValue (const label i) const |
Return reverse circular value (ie, previous value in the list) More... | |
T & | rcValue (const label i) |
Return reverse circular value (ie, previous value in the list) More... | |
const T * | cdata () const noexcept |
Return pointer to the underlying array serving as data storage. More... | |
T * | data () noexcept |
Return pointer to the underlying array serving as data storage. More... | |
const char * | cdata_bytes () const noexcept |
Return pointer to the underlying array serving as data storage,. More... | |
char * | data_bytes () noexcept |
Return pointer to the underlying array serving as data storage,. More... | |
T & | front () |
Access first element of the list, position [0]. More... | |
const T & | front () const |
Access first element of the list. More... | |
T & | back () |
Access last element of the list, position [size()-1]. More... | |
const T & | back () const |
Access last element of the list, position [size()-1]. More... | |
std::streamsize | size_bytes () const noexcept |
Number of contiguous bytes for the List data. More... | |
std::streamsize | byteSize () const |
Number of contiguous bytes for the List data, runtime FatalError if type is not contiguous. More... | |
void | checkStart (const label start) const |
Check start is within valid range [0,size) More... | |
void | checkSize (const label size) const |
Check size is within valid range [0,size]. More... | |
void | checkRange (const label start, const label len) const |
Check that start and length define a valid range. More... | |
void | checkIndex (const label i) const |
Check index is within valid range [0,size) More... | |
bool | uniform () const |
True if all entries have identical values, and list is non-empty. More... | |
bool | contains (const T &val) const |
True if the value is contained in the list. More... | |
bool | contains (const T &val, label pos, label len=-1) const |
Is the value contained in the list? More... | |
label | find (const T &val) const |
Find index of the first occurrence of the value. More... | |
label | find (const T &val, label pos, label len=-1) const |
Find index of the first occurrence of the value. More... | |
label | rfind (const T &val, label pos=-1) const |
Find index of the last occurrence of the value. More... | |
void | moveFirst (const label i) |
Move element to the first position. More... | |
void | moveLast (const label i) |
Move element to the last position. More... | |
void | swapFirst (const label i) |
Swap element with the first element. Fatal on an empty list. More... | |
void | swapLast (const label i) |
Swap element with the last element. Fatal on an empty list. More... | |
void | shallowCopy (T *__restrict__ ptr, const label len) noexcept |
Copy the pointer and size. More... | |
void | shallowCopy (std::nullptr_t) noexcept |
Copy nullptr and zero size. More... | |
void | shallowCopy (const UList< T > &list) noexcept |
Copy the pointer and size held by the given UList. More... | |
void | deepCopy (const UList< T > &list) |
Copy elements of the given UList. Sizes must match! More... | |
template<class Addr > | |
void | deepCopy (const IndirectListBase< T, Addr > &list) |
Copy elements of the given indirect list. Sizes must match! More... | |
SubList< T > | slice (const label pos, label len=-1) |
Return SubList slice (non-const access) - no range checking. More... | |
const SubList< T > | slice (const label pos, label len=-1) const |
Return SubList slice (const access) - no range checking. More... | |
SubList< T > | slice (const labelRange &range) |
Return SubList slice (non-const access) - with range checking. More... | |
const SubList< T > | slice (const labelRange &range) const |
Return SubList slice (const access) - with range checking. More... | |
T & | operator[] (const label i) |
Return element of UList. More... | |
const T & | operator[] (const label i) const |
Return element of constant UList. More... | |
operator const Foam::List< T > & () const | |
Allow cast to a const List<T>&. More... | |
void | operator= (const T &val) |
Assignment of all entries to the given value. More... | |
void | operator= (const Foam::zero) |
Assignment of all entries to zero. More... | |
iterator | begin () noexcept |
Return an iterator to begin traversing the UList. More... | |
iterator | end () noexcept |
Return an iterator to end traversing the UList. More... | |
iterator | begin (const label i) noexcept |
Return iterator at offset i from begin, clamped to [0,size] range. More... | |
const_iterator | cbegin () const noexcept |
Return const_iterator to begin traversing the constant UList. More... | |
const_iterator | cend () const noexcept |
Return const_iterator to end traversing the constant UList. More... | |
const_iterator | begin () const noexcept |
Return const_iterator to begin traversing the constant UList. More... | |
const_iterator | end () const noexcept |
Return const_iterator to end traversing the constant UList. More... | |
const_iterator | cbegin (const label i) const noexcept |
Return const_iterator at offset i from begin, clamped to [0,size] range. More... | |
const_iterator | begin (const label i) const noexcept |
Return const_iterator at offset i from begin, clamped to [0,size] range. More... | |
reverse_iterator | rbegin () |
Return reverse_iterator to begin reverse traversing the UList. More... | |
reverse_iterator | rend () |
Return reverse_iterator to end reverse traversing the UList. More... | |
const_reverse_iterator | crbegin () const |
Return const_reverse_iterator to begin reverse traversing the UList. More... | |
const_reverse_iterator | crend () const |
Return const_reverse_iterator to end reverse traversing the UList. More... | |
const_reverse_iterator | rbegin () const |
Return const_reverse_iterator to begin reverse traversing the UList. More... | |
const_reverse_iterator | rend () const |
Return const_reverse_iterator to end reverse traversing the UList. More... | |
bool | empty () const noexcept |
True if List is empty (ie, size() is zero) More... | |
label | size () const noexcept |
The number of elements in the container. More... | |
label | capacity () const noexcept |
Size of the underlying storage. More... | |
void | swap (UList< T > &list) noexcept |
Swap content with another UList of the same type in constant time. More... | |
bool | operator== (const UList< T > &list) const |
Equality operation on ULists of the same type. More... | |
bool | operator!= (const UList< T > &list) const |
The opposite of the equality operation. Takes linear time. More... | |
bool | operator< (const UList< T > &list) const |
Compare two ULists lexicographically. Takes linear time. More... | |
bool | operator> (const UList< T > &list) const |
Compare two ULists lexicographically. Takes linear time. More... | |
bool | operator<= (const UList< T > &list) const |
Return true if !(a > b). Takes linear time. More... | |
bool | operator>= (const UList< T > &list) const |
Return true if !(a < b). Takes linear time. More... | |
Istream & | readList (Istream &is) |
Read List contents from Istream. More... | |
void | writeEntry (const word &keyword, Ostream &os) const |
Write the List as a dictionary entry with keyword. More... | |
Ostream & | writeList (Ostream &os, const label shortLen=0) const |
Write List, with line-breaks in ASCII when length exceeds shortLen. More... | |
template<class TypeT = T> | |
std::enable_if< std::is_same< bool, TypeT >::value, bool >::type | test (const label i) const |
Test bool value at specified position, always false for out-of-range access. More... | |
template<class TypeT = T> | |
std::enable_if< std::is_same< bool, TypeT >::value, bool >::type | get (const label i) const |
Return bool value at specified position, always false for out-of-range access. More... | |
template<class TypeT = T> | |
std::enable_if< std::is_same< bool, TypeT >::value, bool >::type | unset (const label i) |
Unset the bool entry at specified position, always false for out-of-range access. More... | |
T & | first () |
Access first element of the list, position [0]. More... | |
const T & | first () const |
Access first element of the list. More... | |
T & | last () |
Access last element of the list, position [size()-1]. More... | |
const T & | last () const |
Access last element of the list, position [size()-1]. More... | |
bool | found (const T &val, label pos=0) const |
Same as contains() More... | |
template<> | |
const bool & | operator[] (const label i) const |
template<> | |
UPstream::commsStruct & | operator[] (const label procID) |
template<> | |
const UPstream::commsStruct & | operator[] (const label procID) const |
template<> | |
Foam::UPstream::commsStruct & | operator[] (const label procID) |
template<> | |
const Foam::UPstream::commsStruct & | operator[] (const label procID) const |
Static Public Member Functions | |
static tmp< scalarField > | frequencies (const label N, const scalar deltaT) |
Return the FFT frequencies. More... | |
static tmp< scalarField > | PSD (const scalarField &PSDf) |
Return the PSD [dB/Hz]. More... | |
static tmp< scalarField > | SPL (const scalarField &Prms2) |
Return the SPL [dB]. More... | |
static void | octaveBandInfo (const scalarField &f, const scalar fLower, const scalar fUpper, const scalar octave, labelList &fBandIDs, scalarField &fCentre) |
Return a list of the frequency indices wrt f field that. More... | |
Static Public Member Functions inherited from Field< scalar > | |
static const Field< scalar > & | null () noexcept |
Return a null Field (reference to a nullObject). Behaves like an empty Field. More... | |
static autoPtr< Field< scalar > > | New (Istream &is) |
Return a pointer to a new Field created on freestore. More... | |
static tmp< Field< scalar > > | NewCalculatedType (const Field< Type2 > &f) |
Return a pointer to a new calculatedFvPatchFieldField created on freestore without setting patchField values. More... | |
Static Public Member Functions inherited from List< scalar > | |
static const List< scalar > & | null () noexcept |
Return a null List (reference to a nullObject). Behaves like an empty List. More... | |
Static Public Member Functions inherited from UList< T > | |
static const UList< T > & | null () noexcept |
Return a null UList (reference to a nullObject). Behaves like an empty UList. More... | |
static constexpr label | max_size () noexcept |
The size of the largest possible UList. More... | |
Static Public Attributes | |
static scalar | p0 = 2e-5 |
Reference pressure. More... | |
Static Public Attributes inherited from FieldBase | |
static const char *const | typeName |
Typename for Field. More... | |
static bool | allowConstructFromLargerSize = false |
Permit read construct from a larger size. More... | |
Additional Inherited Members | |
Public Types inherited from Field< scalar > | |
typedef pTraits< scalar >::cmptType | cmptType |
Component type. More... | |
typedef SubField< scalar > | subField |
Declare type of subField. More... | |
Public Types inherited from List< scalar > | |
typedef SubList< scalar > | subList |
Declare type of subList. More... | |
Public Types inherited from UList< T > | |
typedef T | value_type |
The value type the list contains. More... | |
typedef T * | pointer |
The pointer type for non-const access to value_type items. More... | |
typedef const T * | const_pointer |
The pointer type for const access to value_type items. More... | |
typedef T & | reference |
The type used for storing into value_type objects. More... | |
typedef const T & | const_reference |
The type used for reading from constant value_type objects. More... | |
typedef T * | iterator |
Random access iterator for traversing a UList. More... | |
typedef const T * | const_iterator |
Random access iterator for traversing a UList. More... | |
typedef label | size_type |
The type to represent the size of a UList. More... | |
typedef label | difference_type |
The difference between iterator objects. More... | |
typedef std::reverse_iterator< iterator > | reverse_iterator |
Reverse iterator (non-const access) More... | |
typedef std::reverse_iterator< const_iterator > | const_reverse_iterator |
Reverse iterator (const access) More... | |
Protected Member Functions inherited from UList< T > | |
void | setAddressableSize (const label n) noexcept |
Set addressed size to be inconsistent with allocated storage. More... | |
void | size (const label n) |
Older name for setAddressableSize. More... | |
void | writeEntry (Ostream &os) const |
Write the UList with its compound type. More... | |
labelRange | validateRange (const labelRange &requestedRange) const |
Return a validated (start,size) subset range, which means that it always addresses a valid section of the list. More... | |
void | fill_uniform (const T &val) |
Assign all entries to the given value. More... | |
void | fill_uniform (const Foam::zero) |
Assign all entries to zero. More... | |
UList< T > & | operator= (const UList< T > &)=delete |
No copy assignment (default: shallow copy) More... | |
template<> | |
void | writeEntry (Ostream &os) const |
Character list writeEntry. More... | |
template<> | |
void | operator= (const Foam::zero) |
Character list assign zero - avoids Foam::zero casting ambiguities. More... | |
template<> | |
void | writeEntry (Ostream &os) const |
template<> | |
void | operator= (const Foam::zero) |
Performs FFT of pressure field to generate noise data.
Octave-based data:
Definition at line 65 of file noiseFFT.H.
noiseFFT | ( | const scalar | deltaT, |
const label | windowSize = -1 |
||
) |
Construct from pressure field.
Definition at line 137 of file noiseFFT.C.
~noiseFFT | ( | ) |
Destructor. Cleanup/destroy plan.
Definition at line 169 of file noiseFFT.C.
|
static |
Return the FFT frequencies.
Definition at line 37 of file noiseFFT.C.
References f(), forAll, N(), tmp< T >::New(), and Foam::Zero.
|
static |
Return the PSD [dB/Hz].
Input PSD in [Pa^2/Hz]
Definition at line 55 of file noiseFFT.C.
References Foam::log10(), p0, and Foam::sqr().
|
static |
Return the SPL [dB].
Input P(rms)^2 in [Pa^2]
Definition at line 61 of file noiseFFT.C.
References Foam::log10(), p0, and Foam::sqr().
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static |
Return a list of the frequency indices wrt f field that.
correspond to the bands limits for a given octave
Definition at line 68 of file noiseFFT.C.
References f(), forAll, List< T >::pop_back(), Foam::pow(), and List< T >::transfer().
void setData | ( | scalarList & | data | ) |
Set the pressure data.
Definition at line 182 of file noiseFFT.C.
References Foam::average(), and p.
void setData | ( | const fileName & | pFileName, |
const label | skip = 0 |
||
) |
Set the pressure data by reading from file with an optional offset.
Definition at line 191 of file noiseFFT.C.
References Foam::average(), IOstream::eof(), Foam::exit(), Foam::FatalError, FatalErrorInFunction, IOstream::good(), p, UList< T >::size(), and T0.
Foam::graph pt | ( | ) | const |
Return the graph of pressure as a function of time.
Definition at line 249 of file noiseFFT.C.
References forAll.
Foam::tmp< Foam::scalarField > Pf | ( | const tmp< scalarField > & | pn | ) | const |
Return the fft of the given pressure data.
Definition at line 269 of file noiseFFT.C.
References Foam::abort(), tmp< T >::clear(), Foam::FatalError, FatalErrorInFunction, forAll, Foam::mag(), n, tmp< T >::New(), Foam::constant::atomic::re, fft::realTransform1D(), UList< T >::size(), and Foam::sqrt().
Foam::graph meanPf | ( | const windowModel & | window | ) | const |
Return the multi-window mean fft of the complete pressure data [Pa].
Definition at line 316 of file noiseFFT.C.
References windowModel::apply(), f(), forAll, N(), windowModel::nSamples(), windowModel::nWindow(), UList< T >::size(), and Foam::Zero.
Foam::graph RMSmeanPf | ( | const windowModel & | window | ) | const |
Return the multi-window RMS mean fft of the complete pressure.
data [Pa]
Definition at line 348 of file noiseFFT.C.
References windowModel::apply(), f(), forAll, N(), windowModel::nSamples(), windowModel::nWindow(), UList< T >::size(), Foam::sqr(), Foam::sqrt(), and Foam::Zero.
Foam::graph PSDf | ( | const windowModel & | window | ) | const |
Return the multi-window PSD (power spectral density) of the complete.
pressure data [Pa^2/Hz]
Definition at line 379 of file noiseFFT.C.
References windowModel::apply(), Foam::average(), Foam::endl(), f(), UList< T >::first(), forAll, UList< T >::last(), N(), windowModel::nSamples(), windowModel::nWindow(), Foam::Pout, UList< T >::size(), Foam::sqr(), and Foam::Zero.
Foam::graph PSD | ( | const graph & | gPSDf | ) | const |
Return the PSD [dB/Hz].
Takes PSD in [Pa^2/Hz]
Definition at line 424 of file noiseFFT.C.
References Foam::log10(), p0, Foam::sqr(), graph::x(), and graph::y().
Foam::graph octaves | ( | const graph & | g, |
const labelUList & | freqBandIDs | ||
) | const |
Generate octave data.
Definition at line 438 of file noiseFFT.C.
References Foam::endl(), f(), g, UList< T >::size(), WarningInFunction, and Foam::Zero.
Foam::scalar dbToPa | ( | const scalar | db | ) | const |
Convert the db into Pa.
Definition at line 494 of file noiseFFT.C.
References p0, and Foam::pow().
Foam::tmp< Foam::scalarField > dbToPa | ( | const tmp< scalarField > & | db | ) | const |
Convert the db-field into Pa.
Definition at line 501 of file noiseFFT.C.
References p0, and Foam::pow().
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static |
Reference pressure.
Definition at line 116 of file noiseFFT.H.