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FEATool Multiphysics
v1.17.2
Finite Element Analysis Toolbox
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FEATool Multiphysics
v1.17.2
Finite Element Analysis Toolbox
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ASSEMBLEPROB Assembly of system matrix and right hand side/load vector.
[ M, A, F, T_M, T_A, T_F, T_SP ] = ASSEMBLEPROB( PROB, VARARGIN ) Calls the assembly routines to compute and assemble a monolithic sparse system matrix and a right hand side/load vector as specified in the PROB struct. Accepts optional propery value pairs in VARARGIN.
Input Value/[Size] Description
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prob struct Problem definition struct
icub scalar/{auto} Numnerical integration rule used in assembly
Default 1+max(shape function order)
imass scalar {1} Mass matrix lumping: 1 = Full mass matrix
2 = row sum lumping, 3 = diagonal lumping
4 = HRZ diagonal lumping
n_cmax scalar {50000} Max number of cells to assemble
for at once (to limit memory consumption)
f_m logical {false} Assembly flag for mass matrix
f_a logical {false} Assembly flag for system matrix
f_f logical {false} Assembly flag for load vector
f_c logical {true} Assembly flag for integral constraints
f_sparse logical {false} Return sparse/struct matrix format
solcomp {all dvars/subd} Dependent variables/subdomains to assemble for
.
Output Value/[Size] Description
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M sparse [n_M] Assembled mass matrix
A sparse [n_A] Assembled system matrix
f [n_A,1] Assembled rhs/load vector
t_m scalar Time spent assembling mass matrix
t_a scalar Time spent assembling system matrix
t_f scalar Time spent assembling rhs/load vector
t_sp scalar Time for sparse matrix conversion