Advances a linear structural system with the generalized-alpha method. Dense and CSR integrators solve the semidiscrete equation
Matrices and loads must already reflect any prescribed boundary conditions. The caller supplies a consistent initial acceleration and advances the load at both ends of each time step. Initialized objects reuse their work arrays and their effective-system factorization when the time step is unchanged. The linalg GMRES routine still allocates its own iteration workspace for large CSR systems.
Defines a generalized alpha integrator for dense matrix systems.
| procedure , public :: initialize => initialize_dense_integrator Subroutine | Copies system matrices and allocates reusable workspace. |
| procedure , public :: solve => integrator_solve Subroutine | Advances a state through successive columns of a force history. |
| procedure , public :: step => dense_integrator_step Subroutine | Advances one step using cached dense LU when dt is unchanged. |
Defines a generalized alpha integrator for sparse matrix systems.
| procedure , public :: initialize => initialize_sparse_integrator Subroutine | Copies CSR matrices and allocates reusable workspace. |
| procedure , public :: solve => integrator_solve Subroutine | Advances a state through successive columns of a force history. |
| procedure , public :: step => sparse_integrator_step Subroutine | Advances one step using a cached effective CSR system. |