MFEM
v4.5.1
Finite element discretization library
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Vector coefficient defined by a scalar DeltaCoefficient and a constant vector direction. More...
#include <coefficient.hpp>
Public Member Functions | |
VectorDeltaCoefficient (int vdim_) | |
Construct with a vector of dimension vdim_. More... | |
VectorDeltaCoefficient (const Vector &dir_) | |
Construct with a Vector object representing the direction and a unit delta function centered at (0.0,0.0,0.0) More... | |
VectorDeltaCoefficient (const Vector &dir_, double x, double s) | |
Construct with a Vector object representing the direction and a delta function scaled by s and centered at (x,0.0,0.0) More... | |
VectorDeltaCoefficient (const Vector &dir_, double x, double y, double s) | |
Construct with a Vector object representing the direction and a delta function scaled by s and centered at (x,y,0.0) More... | |
VectorDeltaCoefficient (const Vector &dir_, double x, double y, double z, double s) | |
Construct with a Vector object representing the direction and a delta function scaled by s and centered at (x,y,z) More... | |
void | SetTime (double t) |
Set the time for internally stored coefficients. More... | |
void | SetDeltaCoefficient (const DeltaCoefficient &d_) |
Replace the associated DeltaCoefficient with a new DeltaCoefficient. More... | |
DeltaCoefficient & | GetDeltaCoefficient () |
Return the associated scalar DeltaCoefficient. More... | |
void | SetScale (double s) |
void | SetDirection (const Vector &d_) |
void | SetDeltaCenter (const Vector ¢er) |
void | GetDeltaCenter (Vector ¢er) |
virtual void | EvalDelta (Vector &V, ElementTransformation &T, const IntegrationPoint &ip) |
Return the specified direction vector multiplied by the value returned by DeltaCoefficient::EvalDelta() of the associated scalar DeltaCoefficient. More... | |
virtual void | Eval (Vector &V, ElementTransformation &T, const IntegrationPoint &ip) |
A VectorDeltaFunction cannot be evaluated. Calling this method will cause an MFEM error, terminating the application. More... | |
virtual | ~VectorDeltaCoefficient () |
Public Member Functions inherited from mfem::VectorCoefficient | |
VectorCoefficient (int vd) | |
Initialize the VectorCoefficient with vector dimension vd. More... | |
double | GetTime () |
Get the time for time dependent coefficients. More... | |
int | GetVDim () |
Returns dimension of the vector. More... | |
virtual void | Eval (DenseMatrix &M, ElementTransformation &T, const IntegrationRule &ir) |
Evaluate the vector coefficient in the element described by T at all points of ir, storing the result in M. More... | |
virtual void | Project (QuadratureFunction &qf) |
Fill the QuadratureFunction qf by evaluating the coefficient at the quadrature points. More... | |
virtual | ~VectorCoefficient () |
Protected Attributes | |
Vector | dir |
DeltaCoefficient | d |
Protected Attributes inherited from mfem::VectorCoefficient | |
int | vdim |
double | time |
Vector coefficient defined by a scalar DeltaCoefficient and a constant vector direction.
WARNING this cannot be used as a normal coefficient. The usual Eval method is disabled.
Definition at line 809 of file coefficient.hpp.
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Construct with a vector of dimension vdim_.
Definition at line 817 of file coefficient.hpp.
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Construct with a Vector object representing the direction and a unit delta function centered at (0.0,0.0,0.0)
Definition at line 822 of file coefficient.hpp.
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Construct with a Vector object representing the direction and a delta function scaled by s and centered at (x,0.0,0.0)
Definition at line 827 of file coefficient.hpp.
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Construct with a Vector object representing the direction and a delta function scaled by s and centered at (x,y,0.0)
Definition at line 832 of file coefficient.hpp.
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Construct with a Vector object representing the direction and a delta function scaled by s and centered at (x,y,z)
Definition at line 837 of file coefficient.hpp.
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Definition at line 870 of file coefficient.hpp.
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A VectorDeltaFunction cannot be evaluated. Calling this method will cause an MFEM error, terminating the application.
Implements mfem::VectorCoefficient.
Definition at line 867 of file coefficient.hpp.
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Return the specified direction vector multiplied by the value returned by DeltaCoefficient::EvalDelta() of the associated scalar DeltaCoefficient.
Definition at line 534 of file coefficient.cpp.
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Definition at line 856 of file coefficient.hpp.
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Return the associated scalar DeltaCoefficient.
Definition at line 850 of file coefficient.hpp.
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Definition at line 855 of file coefficient.hpp.
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Replace the associated DeltaCoefficient with a new DeltaCoefficient.
The new DeltaCoefficient cannot have a specified weight Coefficient, i.e. DeltaCoefficient::Weight() should return NULL.
Definition at line 847 of file coefficient.hpp.
void mfem::VectorDeltaCoefficient::SetDirection | ( | const Vector & | d_ | ) |
Definition at line 528 of file coefficient.cpp.
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Definition at line 852 of file coefficient.hpp.
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Set the time for internally stored coefficients.
Reimplemented from mfem::VectorCoefficient.
Definition at line 522 of file coefficient.cpp.
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Definition at line 813 of file coefficient.hpp.
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Definition at line 812 of file coefficient.hpp.