doc:user:conditions:displacements
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
doc:user:conditions:displacements [2015/01/08 11:44] – boman | doc:user:conditions:displacements [2016/03/30 15:23] (current) – external edit 127.0.0.1 | ||
---|---|---|---|
Line 12: | Line 12: | ||
with | with | ||
|< 100% 8em - - >| | |< 100% 8em - - >| | ||
- | |'' | + | |'' |
- | |'' | + | |'' |
- | |'' | + | |'' |
|'' | |'' | ||
|'' | |'' | ||
Line 21: | Line 21: | ||
The displacement is then given by | The displacement is then given by | ||
- | * INCREMENTAL_LOAD: | + | * '' |
- | * TOTAL_LOAD: | + | * '' |
Line 31: | Line 31: | ||
===== Activation/ | ===== Activation/ | ||
{{: | {{: | ||
- | Fixed displacements can be added or removed during the computation. It is useful to avoid numerical vibrations or rigid body modes. | + | Prescribed |
- | Time is divided into stages using '' | + | It is useful to add some prescribed displacements for example when we want to avoid numerical vibrations or rigid body modes. Conversely, |
- | All these stages | + | For any calculation, |
+ | |||
+ | For each stage, it is possible to activate ('' | ||
+ | |||
+ | After the configuration of the '' | ||
stages = metafor.getStageManager() | stages = metafor.getStageManager() | ||
- | Example | + | ==== Example |
+ | |||
+ | Definition | ||
- | load1 = loadingset.define(curveset(4), | + | load1 = loadingset.define(curveset(4), |
load1.deactivate(stages[1]) | load1.deactivate(stages[1]) | ||
- | Definition of a load on curve #1, deactivated during stage #1 and activated for the next ones: | + | Definition of a load on '' |
- | load2 = loadingset.define(curveset(1), | + | load2 = loadingset.define(curveset(1), |
load2.deactivate(stages[0]) | load2.deactivate(stages[0]) | ||
load2.activate(stages[1]) | load2.activate(stages[1]) | ||
- | These two loads are represented schematically as : | + | These two loads are represented schematically as: |
| ^ load1 ^ load2 ^ | | ^ load1 ^ load2 ^ | ||
- | ^ phase #0 | ACTIVE | + | ^ stage #0 | ACTIVE |
- | ^ phase #1 | INACTIVE | + | ^ stage #1 | INACTIVE |
- | ^ phase #2 | INACTIVE | + | ^ stage #2 | INACTIVE |
- | :!: Order of operations : | + | <note important> |
- | " | ||
- | A node can indeed be part of two entities, one activated, one deactivated. But the operation of deactivation will be done first, then the activation, so such a node will be activated. |
doc/user/conditions/displacements.1420713884.txt.gz · Last modified: 2016/03/30 15:22 (external edit)