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Atomizer/tests/journal_with_regenerate.py

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feat: Implement complete FEM regeneration workflow This commit completes the optimization loop infrastructure by implementing the full FEM regeneration workflow based on the user's working journal. ## Changes ### FEM Regeneration Workflow (solve_simulation.py) - Added STEP 1: Switch to Bracket.prt and update geometry - Uses SetActiveDisplay() to make Bracket.prt active - Calls UpdateManager.DoUpdate() to rebuild CAD geometry with new expressions - Added STEP 2: Switch to Bracket_fem1 and update FE model - Uses SetActiveDisplay() to make FEM active - Calls fEModel1.UpdateFemodel() to regenerate FEM with updated geometry - Added STEP 3: Switch back to sim part before solving - Close and reopen .sim file to force reload from disk ### Enhanced Journal Output (nx_solver.py) - Display journal stdout output for debugging - Shows all journal steps: geometry update, FEM regeneration, solve, save - Helps verify workflow execution ### Verification Tools - Added verify_parametric_link.py journal to check expression dependencies - Added FEM_REGENERATION_STATUS.md documenting the complete status ## Status ### ✅ Fully Functional Components 1. Parameter updates - nx_updater.py modifies .prt expressions 2. NX solver - ~4s per solve via journal 3. Result extraction - pyNastran reads .op2 files 4. History tracking - saves to JSON/CSV 5. Optimization loop - Optuna explores parameter space 6. **FEM regeneration workflow** - Journal executes all steps successfully ### ❌ Remaining Issue: Expressions Not Linked to Geometry The optimization returns identical stress values (197.89 MPa) for all trials because the Bracket.prt expressions are not referenced by any geometry features. Evidence: - Journal verification shows FEM update steps execute successfully - Feature dependency check shows no features reference the expressions - All optimization infrastructure is working correctly The code is ready - waiting for Bracket.prt to have its expressions properly linked to the geometry features in NX. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-15 12:43:31 -05:00
# NX 2412
# Journal created by antoi on Sat Nov 15 12:34:27 2025 Eastern Standard Time
#
import math
import NXOpen
import NXOpen.CAE
def main(args) :
theSession = NXOpen.Session.GetSession() #type: NXOpen.Session
workSimPart = theSession.Parts.BaseWork
displaySimPart = theSession.Parts.BaseDisplay
markId1 = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Visible, "Change Displayed Part")
part1 = theSession.Parts.FindObject("Bracket")
baseTemplateManager1 = theSession.XYPlotManager.TemplateManager
status1, partLoadStatus1 = theSession.Parts.SetActiveDisplay(part1, NXOpen.DisplayPartOption.AllowAdditional, NXOpen.PartDisplayPartWorkPartOption.UseLast)
workSimPart = NXOpen.BasePart.Null
workPart = theSession.Parts.Work
displaySimPart = NXOpen.BasePart.Null
displayPart = theSession.Parts.Display
partLoadStatus1.Dispose()
# ----------------------------------------------
# Menu: Tools->Utilities->Expressions...
# ----------------------------------------------
markId2 = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Visible, "Start")
theSession.SetUndoMarkName(markId2, "Expressions Dialog")
markId3 = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Invisible, "Edit Expression")
expression1 = workPart.Expressions.FindObject("support_angle")
unit1 = workPart.UnitCollection.FindObject("Degrees")
workPart.Expressions.EditExpressionWithUnits(expression1, unit1, "36")
markId4 = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Invisible, "Expressions")
theSession.DeleteUndoMark(markId4, None)
markId5 = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Invisible, "Expressions")
markId6 = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Invisible, "Make Up to Date")
objects1 = [NXOpen.NXObject.Null] * 1
objects1[0] = expression1
theSession.UpdateManager.MakeUpToDate(objects1, markId6)
markId7 = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Invisible, "NX update")
nErrs1 = theSession.UpdateManager.DoUpdate(markId7)
theSession.DeleteUndoMark(markId7, "NX update")
theSession.DeleteUndoMark(markId6, None)
theSession.DeleteUndoMark(markId5, None)
theSession.SetUndoMarkName(markId2, "Expressions")
markId8 = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Visible, "Change Displayed Part")
simPart1 = theSession.Parts.FindObject("Bracket_sim1")
status2, partLoadStatus2 = theSession.Parts.SetActiveDisplay(simPart1, NXOpen.DisplayPartOption.AllowAdditional, NXOpen.PartDisplayPartWorkPartOption.UseLast)
workPart = NXOpen.Part.Null
workSimPart = theSession.Parts.BaseWork # Bracket_sim1
displayPart = NXOpen.Part.Null
displaySimPart = theSession.Parts.BaseDisplay # Bracket_sim1
partLoadStatus2.Dispose()
markId9 = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Visible, "Open in Window")
femPart1 = theSession.Parts.FindObject("Bracket_fem1")
baseTemplateManager2 = theSession.XYPlotManager.TemplateManager
status3, partLoadStatus3 = theSession.Parts.SetActiveDisplay(femPart1, NXOpen.DisplayPartOption.AllowAdditional, NXOpen.PartDisplayPartWorkPartOption.SameAsDisplay)
workFemPart = theSession.Parts.BaseWork
displayFemPart = theSession.Parts.BaseDisplay
partLoadStatus3.Dispose()
# ----------------------------------------------
# Menu: Edit->Update
# ----------------------------------------------
markId10 = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Visible, "Update FE Model")
fEModel1 = workFemPart.FindObject("FEModel")
fEModel1.UpdateFemodel()
markId11 = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Visible, "Change Displayed Part")
status4, partLoadStatus4 = theSession.Parts.SetActiveDisplay(simPart1, NXOpen.DisplayPartOption.AllowAdditional, NXOpen.PartDisplayPartWorkPartOption.UseLast)
workSimPart = theSession.Parts.BaseWork # Bracket_sim1
displaySimPart = theSession.Parts.BaseDisplay # Bracket_sim1
partLoadStatus4.Dispose()
# ----------------------------------------------
# Menu: Analysis->Solve...
# ----------------------------------------------
markId12 = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Visible, "Start")
theSession.SetUndoMarkName(markId12, "Solve Dialog")
markId13 = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Invisible, "Solve")
theSession.DeleteUndoMark(markId13, None)
markId14 = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Invisible, "Solve")
theCAESimSolveManager = NXOpen.CAE.SimSolveManager.GetSimSolveManager(theSession)
psolutions1 = [NXOpen.CAE.SimSolution.Null] * 1
simSimulation1 = workSimPart.FindObject("Simulation")
simSolution1 = simSimulation1.FindObject("Solution[Solution 1]")
psolutions1[0] = simSolution1
numsolutionssolved1, numsolutionsfailed1, numsolutionsskipped1 = theCAESimSolveManager.SolveChainOfSolutions(psolutions1, NXOpen.CAE.SimSolution.SolveOption.Solve, NXOpen.CAE.SimSolution.SetupCheckOption.CompleteDeepCheckAndOutputErrors, NXOpen.CAE.SimSolution.SolveMode.Background)
theSession.DeleteUndoMark(markId14, None)
theSession.SetUndoMarkName(markId12, "Solve")
# ----------------------------------------------
# Menu: File->Save
# ----------------------------------------------
simPart2 = workSimPart
partSaveStatus1 = simPart2.Save(NXOpen.BasePart.SaveComponents.TrueValue, NXOpen.BasePart.CloseAfterSave.FalseValue)
partSaveStatus1.Dispose()
# ----------------------------------------------
# Menu: Tools->Automation->Journal->Stop Recording
# ----------------------------------------------
if __name__ == '__main__':
main(sys.argv[1:])
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