1 """Implements a trigger that sets and resets 'safer' settings for
2 Steady runs"""
3
4 import re
5 from os import path
6 from optparse import OptionGroup
7 from PyFoam.RunDictionary.ParsedParameterFile import ParsedParameterFile
8 from PyFoam.Error import warning
9
11 """ The class that does the actual triggering
12 """
13
15 grp=OptionGroup(self.parser,
16 "Safe settings",
17 "Set safer settings for steady runs")
18 grp.add_option("--safe-until",
19 type="float",
20 dest="safeUntil",
21 default=None,
22 help="Sets lower under-relaxation and lower-order convection-schemes for the start of the simulation")
23 grp.add_option("--safe-relaxation-factor",
24 type="float",
25 dest="safeRelaxation",
26 default=0.5,
27 help="The factor by which the relaxation-factors should be scaled down (when calculating safe). Default: %default")
28 self.parser.add_option_group(grp)
29
39
40
66
68 if self.fresh:
69 warning("Trigger called: Resetting fvSchemes and fvSolution")
70 self.solution.restore()
71 self.schemes.restore()
72 self.fresh=False
73