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doc:user:integration:scheme:dynimplexpl

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doc:user:integration:scheme:dynimplexpl [2015/01/26 12:12] – jorisdoc:user:integration:scheme:dynimplexpl [2016/03/30 15:23] (current) – external edit 127.0.0.1
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 ===== Data set ===== ===== Data set =====
 +
 +==== Old Metafor Version <= 2422 ====
  
 See dynamic [[doc:user:integration:scheme:dynimpl|implicit]] and [[doc:user:integration:scheme:dynexpl|explicit]] for a description of schemes and the definition of density and initial velocities. See dynamic [[doc:user:integration:scheme:dynimpl|implicit]] and [[doc:user:integration:scheme:dynexpl|explicit]] for a description of schemes and the definition of density and initial velocities.
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 Shifting can be done automatically or manually or both. Another application of this algorithm is to stabilize explicit steps.  Shifting can be done automatically or manually or both. Another application of this algorithm is to stabilize explicit steps. 
 +
 +==== New Metafor Version > 2422 ====
 +
 +<code>
 +ti = IeTimeIntegration(metafor)
 +ti.setExplicitTimeIntegration(tiExp)
 +ti.setImplicitTimeIntegration(tiImp)
 +ti.setCurrentDynamicTimeIntegration(tiImp)
 +</code>
 +
 +where tiExp and tiImp are the references towards the explicit and implicit time integration scheme respectively.
  
 ===== Automatic Shift (method 1 or 2) ===== ===== Automatic Shift (method 1 or 2) =====
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 ===== Implicit/explicit shift management ===== ===== Implicit/explicit shift management =====
  
-Shift options are selected with the commands: +It is **mandatory** to instanciate the IeShifManager and then the parameters can adjusted if required : 
- +    iesm = IeShiftManager(metafor)
-    iesm = metafor.getIeShiftManager()+
     iems.setIeShiftMethod(meth)     iems.setIeShiftMethod(meth)
     iesm.setNbOfBalanceSteps(nbbs)     iesm.setNbOfBalanceSteps(nbbs)
     iesm.setMaxStepIncrease(msin)     iesm.setMaxStepIncrease(msin)
     iesm.setAutomaticShiftSecurity(secu)     iesm.setAutomaticShiftSecurity(secu)
 +    iesm.setCpuDependency(cpuDep)
 ^ Parameter ^ default ^ description ^ ^ Parameter ^ default ^ description ^
 |''meth''| | = ''IESM_NOSHIFTMETHOD'' : no shift (default)| |''meth''| | = ''IESM_NOSHIFTMETHOD'' : no shift (default)|
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 |''msin'' |  6  |maximal change of the time step; this value is the ratio of the implicit step to the explicit step for a change to implicit or a balancing, so this is an integer| |''msin'' |  6  |maximal change of the time step; this value is the ratio of the implicit step to the explicit step for a change to implicit or a balancing, so this is an integer|
 |''secu'' |  1.5  | safety coefficient for automatic shift| |''secu'' |  1.5  | safety coefficient for automatic shift|
 +|''cpuDep''| ''False'' | specify if the automatic criterion for shifting from one time integration to another depends on the User CPU time. (Metafor Version > 2422)|. 
 For manual shift, the user can set times at which method is changed. This is done with the commands: For manual shift, the user can set times at which method is changed. This is done with the commands:
  
doc/user/integration/scheme/dynimplexpl.1422270778.txt.gz · Last modified: (external edit)
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