jakob.schratter/SciFEM-Project_CoffeeMugSimulation_Celebic-Schratter
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

mass matrix

Browse source
This commit is contained in:
dino.celebic 2026-01-24 15:01:54 +01:00
commit 02072fde90
3 changed files with 88 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

20
mgrid_2/getmatrix.h
View file

@ -357,6 +357,16 @@ class FEM_Matrix: public CRS_Matrix
// c * rho [ J / (m^3 * K) ]
double VolumetricHeatCapacity(const int subdomain);
/**
* Calculates the entries of f.e. mass matrix
* for multiple domains with different heat capacities
* and load/rhs vector @p f.
* No memory is allocated.
*
* @param[in,out] f (preallocated) rhs/load vector
*/
void AddMass_mult(std::vector<double> &f);
/**
* Calculates the entries of f.e. stiffness matrix for the Laplace operator
* and load/rhs vector @p f.
@ -698,6 +708,16 @@ void CalcElemSpecific(int const ial[3], double const xc[], double const lambda,
*/
void CalcElem_Masse(int const ial[3], double const xc[], double ske[3][3]);
/**
* Calculates the element mass matrix @p ske.
* of one triangular element with linear shape functions
* for specific volumetric heat capacity in subdomain.
* @param[in] ial node indices of the three element vertices
* @param[in] xc vector of node coordinates with x(2*k,2*k+1) as coordinates of node k
* @param[out] ske element stiffness matrix
*/
void CalcElem_MasseSpecific(int const ial[3], double const xc[], double const c, double ske[3][3]);
/**
* Calculates element load vector @p fe of one triangular element with linear shape functions.
* @param[in] ial node indices of the three element vertices