FEDEM Solver
R8.0
Source code of the dynamics solver
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Assembles system force vector contributions from a spring element. More...
Private Member Functions | |
subroutine | addinstiffnessforces (FS, RF, spring, sam, ierr) |
Assembles system force vector contributions from a spring element. More... | |
subroutine | addindampingforces (FD, RF, spring, sam, alpha2, ierr) |
Assembles system force vector contributions from a spring element. More... | |
Assembles system force vector contributions from a spring element.
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private |
Assembles system force vector contributions from a spring element.
FD | System damping force vector | |
RF | System reaction forces associated with constrained DOFs | |
[in] | spring | The spring element to calculate damping forces for |
[in] | sam | Data for managing system matrix assembly |
[in] | alpha2 | Stiffness-proportional damping coefficient |
[out] | ierr | Error flag |
This subroutine calculates the damping force contributions to the system force vector from the spring element assuming Rayleigh damping, and adds them into the system vectors FD and RF.
|
private |
Assembles system force vector contributions from a spring element.
FS | System stiffness force vector | |
RF | System reaction forces associated with constrained DOFs | |
[in] | spring | The spring element to calculate stiffness forces for |
[in] | sam | Data for managing system matrix assembly |
[out] | ierr | Error flag |
This subroutine calculates the stiffness force contributions to the system force vector from the spring element, and adds them into the system vectors FS and RF.