Anto01
f725e75164
- Create introspect_sim.py NX journal to extract solutions, BCs from SIM files - Update introspect_sim_file() to optionally call NX journal for full introspection - Add FEM mesh section (nodes, elements, materials, properties) to IntrospectionPanel - Add SIM solutions and boundary conditions sections to IntrospectionPanel - Show introspection method and NX errors in panel
381 lines
12 KiB
Python
381 lines
12 KiB
Python
"""
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NX Journal: SIM File Introspection Tool
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=========================================
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This journal performs deep introspection of an NX .sim file and extracts:
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- Solutions (name, type, solver)
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- Boundary conditions (SPCs, loads, etc.)
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- Subcases
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- Linked FEM files
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- Solution properties
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Usage:
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run_journal.exe introspect_sim.py <sim_file_path> [output_dir]
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Output:
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_introspection_sim.json - JSON with all extracted data
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Author: Atomizer
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Created: 2026-01-20
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Version: 1.0
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"""
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import sys
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import os
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import json
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import NXOpen
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import NXOpen.CAE
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def get_solutions(simSimulation):
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"""Extract all solutions from the simulation."""
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solutions = []
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try:
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# Iterate through all solutions in the simulation
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# Solutions are accessed via FindObject with pattern "Solution[name]"
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# But we can also iterate if the simulation has a solutions collection
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# Try to get solution info by iterating through known solution names
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# Common patterns: "Solution 1", "Solution 2", etc.
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for i in range(1, 20): # Check up to 20 solutions
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sol_name = f"Solution {i}"
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try:
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sol = simSimulation.FindObject(f"Solution[{sol_name}]")
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if sol:
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sol_info = {"name": sol_name, "type": str(type(sol).__name__), "properties": {}}
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# Try to get common properties
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try:
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sol_info["properties"]["solver_type"] = (
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str(sol.SolverType) if hasattr(sol, "SolverType") else None
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)
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except:
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pass
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try:
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sol_info["properties"]["analysis_type"] = (
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str(sol.AnalysisType) if hasattr(sol, "AnalysisType") else None
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)
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except:
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pass
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solutions.append(sol_info)
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except:
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# Solution not found, stop looking
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if i > 5: # Give a few tries in case there are gaps
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break
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continue
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except Exception as e:
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solutions.append({"error": str(e)})
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return solutions
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def get_boundary_conditions(simSimulation, workPart):
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"""Extract boundary conditions from the simulation."""
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bcs = {"constraints": [], "loads": [], "total_count": 0}
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try:
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# Try to access BC collections through the simulation object
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# BCs are typically stored in the simulation's children
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# Look for constraint groups
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constraint_names = [
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"Constraint Group[1]",
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"Constraint Group[2]",
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"Constraint Group[3]",
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"SPC[1]",
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"SPC[2]",
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"SPC[3]",
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"Fixed Constraint[1]",
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"Fixed Constraint[2]",
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]
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for name in constraint_names:
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try:
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obj = simSimulation.FindObject(name)
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if obj:
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bc_info = {
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"name": name,
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"type": str(type(obj).__name__),
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}
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bcs["constraints"].append(bc_info)
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except:
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pass
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# Look for load groups
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load_names = [
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"Load Group[1]",
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"Load Group[2]",
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"Load Group[3]",
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"Force[1]",
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"Force[2]",
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"Pressure[1]",
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"Pressure[2]",
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"Enforced Displacement[1]",
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"Enforced Displacement[2]",
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]
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for name in load_names:
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try:
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obj = simSimulation.FindObject(name)
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if obj:
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load_info = {
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"name": name,
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"type": str(type(obj).__name__),
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}
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bcs["loads"].append(load_info)
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except:
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pass
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bcs["total_count"] = len(bcs["constraints"]) + len(bcs["loads"])
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except Exception as e:
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bcs["error"] = str(e)
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return bcs
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def get_sim_part_info(workPart):
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"""Extract SIM part-level information."""
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info = {"name": None, "full_path": None, "type": None, "fem_parts": [], "component_count": 0}
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try:
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info["name"] = workPart.Name
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info["full_path"] = workPart.FullPath if hasattr(workPart, "FullPath") else None
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info["type"] = str(type(workPart).__name__)
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# Check for component assembly (assembly FEM)
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try:
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root = workPart.ComponentAssembly.RootComponent
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if root:
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info["is_assembly"] = True
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# Count components
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try:
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children = root.GetChildren()
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info["component_count"] = len(children) if children else 0
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# Get component names
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components = []
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for child in children[:10]: # Limit to first 10
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try:
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comp_info = {
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"name": child.Name if hasattr(child, "Name") else str(child),
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"type": str(type(child).__name__),
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}
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components.append(comp_info)
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except:
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pass
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info["components"] = components
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except:
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pass
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except:
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info["is_assembly"] = False
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except Exception as e:
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info["error"] = str(e)
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return info
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def get_cae_session_info(theSession):
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"""Get CAE session information."""
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cae_info = {"active_sim_part": None, "active_fem_part": None, "solver_types": []}
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try:
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# Get CAE session
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caeSession = theSession.GetExportedObject("NXOpen.CAE.CaeSession")
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if caeSession:
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cae_info["cae_session_exists"] = True
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except:
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cae_info["cae_session_exists"] = False
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return cae_info
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def explore_simulation_tree(simSimulation, workPart):
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"""Explore the simulation tree structure."""
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tree_info = {"simulation_objects": [], "found_types": set()}
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# Try to enumerate objects in the simulation
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# This is exploratory - we don't know the exact API
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try:
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# Try common child object patterns
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patterns = [
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# Solutions
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"Solution[Solution 1]",
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"Solution[Solution 2]",
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"Solution[SOLUTION 1]",
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# Subcases
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"Subcase[Subcase 1]",
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"Subcase[Subcase - Static 1]",
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# Loads/BCs
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"LoadSet[LoadSet 1]",
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"ConstraintSet[ConstraintSet 1]",
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"BoundaryCondition[1]",
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# FEM reference
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"FemPart",
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"AssyFemPart",
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]
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for pattern in patterns:
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try:
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obj = simSimulation.FindObject(pattern)
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if obj:
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obj_info = {"pattern": pattern, "type": str(type(obj).__name__), "found": True}
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tree_info["simulation_objects"].append(obj_info)
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tree_info["found_types"].add(str(type(obj).__name__))
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except:
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pass
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tree_info["found_types"] = list(tree_info["found_types"])
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except Exception as e:
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tree_info["error"] = str(e)
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return tree_info
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def main(args):
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"""Main entry point for NX journal."""
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if len(args) < 1:
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print("ERROR: No .sim file path provided")
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print("Usage: run_journal.exe introspect_sim.py <sim_file_path> [output_dir]")
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return False
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sim_file_path = args[0]
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output_dir = args[1] if len(args) > 1 else os.path.dirname(sim_file_path)
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sim_filename = os.path.basename(sim_file_path)
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print(f"[INTROSPECT-SIM] " + "=" * 60)
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print(f"[INTROSPECT-SIM] NX SIMULATION INTROSPECTION")
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print(f"[INTROSPECT-SIM] " + "=" * 60)
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print(f"[INTROSPECT-SIM] SIM File: {sim_filename}")
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print(f"[INTROSPECT-SIM] Output: {output_dir}")
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results = {
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"sim_file": sim_filename,
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"sim_path": sim_file_path,
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"success": False,
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"error": None,
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"part_info": {},
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"solutions": [],
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"boundary_conditions": {},
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"tree_structure": {},
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"cae_info": {},
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}
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try:
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theSession = NXOpen.Session.GetSession()
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# Set load options
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working_dir = os.path.dirname(sim_file_path)
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theSession.Parts.LoadOptions.ComponentLoadMethod = (
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NXOpen.LoadOptions.LoadMethod.FromDirectory
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)
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theSession.Parts.LoadOptions.SetSearchDirectories([working_dir], [True])
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theSession.Parts.LoadOptions.ComponentsToLoad = NXOpen.LoadOptions.LoadComponents.All
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theSession.Parts.LoadOptions.PartLoadOption = NXOpen.LoadOptions.LoadOption.FullyLoad
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# Open the SIM file
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print(f"[INTROSPECT-SIM] Opening SIM file...")
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basePart, partLoadStatus = theSession.Parts.OpenActiveDisplay(
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sim_file_path, NXOpen.DisplayPartOption.AllowAdditional
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)
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partLoadStatus.Dispose()
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workPart = theSession.Parts.Work
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print(f"[INTROSPECT-SIM] Loaded: {workPart.Name}")
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# Switch to SFEM application
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try:
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theSession.ApplicationSwitchImmediate("UG_APP_SFEM")
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print(f"[INTROSPECT-SIM] Switched to SFEM application")
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except Exception as e:
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print(f"[INTROSPECT-SIM] Note: Could not switch to SFEM: {e}")
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# Get part info
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print(f"[INTROSPECT-SIM] Extracting part info...")
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results["part_info"] = get_sim_part_info(workPart)
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print(f"[INTROSPECT-SIM] Part: {results['part_info'].get('name')}")
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print(f"[INTROSPECT-SIM] Is Assembly: {results['part_info'].get('is_assembly', False)}")
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# Get simulation object
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print(f"[INTROSPECT-SIM] Finding Simulation object...")
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try:
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simSimulation = workPart.FindObject("Simulation")
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print(f"[INTROSPECT-SIM] Found Simulation object: {type(simSimulation).__name__}")
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# Get solutions
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print(f"[INTROSPECT-SIM] Extracting solutions...")
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results["solutions"] = get_solutions(simSimulation)
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print(f"[INTROSPECT-SIM] Found {len(results['solutions'])} solutions")
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# Get boundary conditions
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print(f"[INTROSPECT-SIM] Extracting boundary conditions...")
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results["boundary_conditions"] = get_boundary_conditions(simSimulation, workPart)
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print(
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f"[INTROSPECT-SIM] Found {results['boundary_conditions'].get('total_count', 0)} BCs"
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)
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# Explore tree structure
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print(f"[INTROSPECT-SIM] Exploring simulation tree...")
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results["tree_structure"] = explore_simulation_tree(simSimulation, workPart)
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print(
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f"[INTROSPECT-SIM] Found types: {results['tree_structure'].get('found_types', [])}"
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)
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except Exception as e:
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print(f"[INTROSPECT-SIM] WARNING: Could not find Simulation object: {e}")
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results["simulation_object_error"] = str(e)
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# Get CAE session info
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print(f"[INTROSPECT-SIM] Getting CAE session info...")
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results["cae_info"] = get_cae_session_info(theSession)
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# List all loaded parts
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print(f"[INTROSPECT-SIM] Listing loaded parts...")
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loaded_parts = []
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for part in theSession.Parts:
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try:
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loaded_parts.append(
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{
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"name": part.Name,
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"type": str(type(part).__name__),
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"leaf": part.Leaf if hasattr(part, "Leaf") else None,
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}
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)
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except:
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pass
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results["loaded_parts"] = loaded_parts
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print(f"[INTROSPECT-SIM] {len(loaded_parts)} parts loaded")
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results["success"] = True
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print(f"[INTROSPECT-SIM] ")
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print(f"[INTROSPECT-SIM] INTROSPECTION COMPLETE!")
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print(f"[INTROSPECT-SIM] " + "=" * 60)
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except Exception as e:
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results["error"] = str(e)
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results["success"] = False
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print(f"[INTROSPECT-SIM] FATAL ERROR: {e}")
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import traceback
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traceback.print_exc()
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# Write results
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output_file = os.path.join(output_dir, "_introspection_sim.json")
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with open(output_file, "w") as f:
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json.dump(results, f, indent=2)
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print(f"[INTROSPECT-SIM] Results written to: {output_file}")
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return results["success"]
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if __name__ == "__main__":
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main(sys.argv[1:])
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