A 2D linear shape function for a 3-noded triangle More...
#include <mrtr_functions.H>
Public Member Functions | |
Function_LinearTri (int out) | |
Constructor. More... | |
Function_LinearTri (const MOERTEL::Function_LinearTri &old) | |
Copy-Constructor. | |
virtual MOERTEL::Function * | Clone () const |
Clone method. More... | |
virtual | ~Function_LinearTri () |
Destructor. | |
bool | EvaluateFunction (const MOERTEL::Segment &seg, const double *xi, double *val, const int valdim, double *deriv) |
Evaluate the function and derivatives at a given local coordinate. More... | |
Public Member Functions inherited from MOERTEL::Function | |
Function (int outlevel, MOERTEL::Function::FunctionType type) | |
Constructor. More... | |
Function (const MOERTEL::Function &old) | |
Copy-Constructor. More... | |
virtual | ~Function () |
Destructor. | |
int | OutLevel () |
Return the level of output written to stdout ( 0 - 10 ) | |
MOERTEL::Function::FunctionType | Type () const |
Return the function type. | |
Additional Inherited Members | |
Public Types inherited from MOERTEL::Function | |
enum | FunctionType { func_none, func_Constant1D, func_Linear1D, func_DualLinear1D, func_LinearTri, func_DualLinearTri, func_ConstantTri, func_BiLinearQuad, func_DualBiLinearQuad } |
Type of function. More... | |
Protected Attributes inherited from MOERTEL::Function | |
MOERTEL::Function::FunctionType | type_ |
int | outputlevel_ |
A 2D linear shape function for a 3-noded triangle
phi_1 = 1 - xi_1 - xi_2
phi_2 = xi_1
phi_3 = xi_2
phi_1,xi_1 = -1
phi_1,xi_2 = -1
phi_2,xi_1 = 1
phi_2,xi_2 = 0
phi_3,xi_1 = 0
phi_3,xi_2 = 1
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inline |
Constructor.
out | : Level of output information written to stdout ( 0 - 10 ) |
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virtual |
Clone method.
Makes a deep copy of this instance and returns a pointer to it.
Implements MOERTEL::Function.
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virtual |
Evaluate the function and derivatives at a given local coordinate.
xi | (in) : Local coordinate where to evaluate the function (dimension 2) |
val | (out) : Function values at xi, dimension 3, if NULL on input no evaluation |
valdim | (in) : Dimension of val should be 3 |
deriv | (out) : Derivative of functions at xi, dimension 6, if NULL on input no evaluation |
Implements MOERTEL::Function.
References MOERTEL::ReportError().