Builds finite element arrays for wave propagation in 2-D using 3-Node elements. More...
#include <Pres2DT3.h>
Inherits Equa_Acoustics< NEN_, NEE_, NSN_, NSE_ >.
Public Member Functions | |
Pres2DT3 () | |
Default Constructor. Constructs an empty equation. | |
Pres2DT3 (Mesh &ms) | |
Constructor using Mesh data. More... | |
Pres2DT3 (Mesh &ms, Vect< real_t > &u) | |
Constructor using Mesh and initial condition. More... | |
~Pres2DT3 () | |
Destructor. | |
void | LMass (real_t coef=1) |
Add lumped mass matrix to element matrix after multiplying it by coefficient coef More... | |
void | Mass (real_t coef=1) |
Add Consistent mass matrix to element matrix after multiplying it by coefficient coef More... | |
void | Diffusion (real_t coef=1) |
Add diffusion matrix to element matrix after multiplying it by coefficient coef More... | |
void | BodyRHS (const Vect< real_t > &f) |
Add body right-hand side term to right hand side. More... | |
void | BodyRHS (real_t f) |
Add body right-hand side term to right hand side. More... | |
void | BoundaryRHS (real_t flux) |
Add boundary right-hand side flux to right hand side. More... | |
void | BoundaryRHS (const Vect< real_t > &f) |
Add boundary right-hand side term to right hand side after multiplying it by coefficient coef More... | |
Point< real_t > & | Flux () const |
Return (constant) heat flux in element. | |
void | Grad (Vect< Point< real_t > > &g) |
Compute gradient of solution. More... | |
Point< real_t > & | Grad (const Vect< real_t > &u) const |
Return gradient of a vector in element. More... | |
void | setInput (EqDataType opt, Vect< real_t > &u) |
Set equation input data. More... | |
Detailed Description
Builds finite element arrays for wave propagation in 2-D using 3-Node elements.
Note that members calculating element arrays have as an argument a real coef
that will be multiplied by the contribution of the current element. This makes possible testing different algorithms.
Constructor & Destructor Documentation
◆ Pres2DT3() [1/2]
◆ Pres2DT3() [2/2]
Member Function Documentation
◆ BodyRHS() [1/2]
Add body right-hand side term to right hand side.
- Parameters
-
[in] f Vector containing source at nodes.
◆ BodyRHS() [2/2]
void BodyRHS | ( | real_t | f | ) |
Add body right-hand side term to right hand side.
Case where the body right-hand side is piecewise constant.
- Parameters
-
[in] f Value of thermal source (Constant in element).
◆ BoundaryRHS() [1/2]
Add boundary right-hand side term to right hand side after multiplying it by coefficient coef
- Parameters
-
[in] f Vector containing source at nodes
◆ BoundaryRHS() [2/2]
void BoundaryRHS | ( | real_t | flux | ) |
Add boundary right-hand side flux to right hand side.
- Parameters
-
[in] flux Vector containing source at side nodes.
◆ Diffusion()
void Diffusion | ( | real_t | coef = 1 | ) |
Add diffusion matrix to element matrix after multiplying it by coefficient coef
- Parameters
-
[in] coef Coefficient to multiply by added term [Default: 1
]
◆ Grad() [1/2]
Return gradient of a vector in element.
- Parameters
-
[in] u Global vector for which gradient is computed. Vector u
has as size the total number of nodes
◆ Grad() [2/2]
Compute gradient of solution.
- Parameters
-
[in] g Elementwise vector containing gradient of solution.
◆ LMass()
void LMass | ( | real_t | coef = 1 | ) |
Add lumped mass matrix to element matrix after multiplying it by coefficient coef
- Parameters
-
[in] coef Coefficient to multiply by added term [Default: 1
].
◆ Mass()
void Mass | ( | real_t | coef = 1 | ) |
Add Consistent mass matrix to element matrix after multiplying it by coefficient coef
- Parameters
-
[in] coef Coefficient to multiply by added term [Default: 1
]
◆ setInput()
void setInput | ( | EqDataType | opt, |
Vect< real_t > & | u | ||
) |
Set equation input data.
- Parameters
-
[in] opt Parameter to select type of input (enumerated values) -
INITIAL_FIELD
: Initial temperature -
BOUNDARY_CONDITION_DATA
: Boundary condition (Dirichlet) -
SOURCE_DATA
: Heat source -
FLUX_DATA
: Heat flux (Neumann boundary condition) -
SPEED
: Speed vector (for the convection term)
[in] u Vector containing input data -