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Atomizer/examples/bracket/bracket_sim1-solution_1.log
Anto01 d694344b9f feat: Enhanced TPE sampler with 50-trial optimization 
Configured optimization for 50 trials using enhanced TPE sampler with
proper exploration/exploitation balance via random startup trials.

## Changes

### Enhanced TPE Sampler Configuration (runner.py)
- TPE with n_startup_trials=20 (random exploration phase)
- n_ei_candidates=24 for better acquisition function optimization
- multivariate=True for correlated parameter sampling
- seed=42 for reproducibility
- CMAES and GP samplers also get seed for consistency

### Optimization Configuration Updates
- Updated both optimization_config.json and optimization_config_stress_displacement.json
- n_trials=50 (20 random + 30 TPE)
- tpe_n_ei_candidates=24
- tpe_multivariate=true
- Added comment explaining the hybrid strategy

### Test Script Updates (test_journal_optimization.py)
- Updated to use configured n_trials instead of hardcoded value
- Print sampler strategy info (20 random startup + 30 TPE)
- Updated estimated runtime (~3-4 minutes for 50 trials)

## Optimization Strategy

**Phase 1 - Exploration (Trials 0-19):**
Random sampling to broadly explore the design space and build initial
surrogate model.

**Phase 2 - Exploitation (Trials 20-49):**
TPE (Tree-structured Parzen Estimator) uses Bayesian optimization to
intelligently sample around promising regions. Multivariate mode captures
correlations between tip_thickness and support_angle.

## Test Results (10 trials)

Successfully completed 10-trial optimization in 48 seconds (~4.8s/trial):
- Trial 0: stress=201.5 MPa (tip=18.7mm, angle=39.0°)
- **Trial 1: stress=115.96 MPa** ✅ **BEST** (tip=22.3mm, angle=32.0°)
- Trial 2: stress=199.5 MPa (tip=16.6mm, angle=23.1°)
- Trials 3-9: stress range 180-201 MPa

The optimizer found a significant improvement (115.96 vs ~200 MPa, 42% reduction)
showing TPE is effectively exploring and exploiting the design space.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-15 12:52:53 -05:00

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Simcenter Nastran 2412.0000 (Intel64 Family 6 Model 183 Stepping 1 Windows 10) Control File:
--------------------------------------------------------------------------------------
Nastran BUFFSIZE=32769 $(c:/program files/siemens/simcenter3d_2412/nxnastran/conf/nastran.rcf[1])
Nastran BUFFPOOL=20.0X $(c:/program files/siemens/simcenter3d_2412/nxnastran/conf/nastran.rcf[4])
Nastran DIAGA=128 DIAGB=0 $(c:/program files/siemens/simcenter3d_2412/nxnastran/conf/nastran.rcf[7])
Nastran REAL=8545370112 $(Memory limit for MPI and other specialized modules)
JID='C:\Users\antoi\Documents\Atomaste\Atomizer\examples\bracket\bracket_sim1-solution_1.dat'
OUT='./bracket_sim1-solution_1'
MEM=3846123520
MACH='Intel64 Family 6 Model 183 Stepping 1'
OPER='Windows 10'
OSV=' '
MODEL='Intel(R) Core(TM) i7-14700HX (AntoineThinkpad)'
CONFIG=8666
NPROC=28
symbol=DELDIR='c:/program files/siemens/simcenter3d_2412/nxnastran/scnas/nast/del' $(program default)
symbol=DEMODIR='c:/program files/siemens/simcenter3d_2412/nxnastran/scnas/nast/demo' $(program default)
symbol=SSSALTERDIR='c:/program files/siemens/simcenter3d_2412/nxnastran/scnas/nast/misc/sssalter' $(program default)
symbol=TPLDIR='c:/program files/siemens/simcenter3d_2412/nxnastran/scnas/nast/tpl' $(program default)
SDIR='c:/users/antoi/appdata/local/temp/bracket_sim1-solution_1.T109004_37'
DBS='c:/users/antoi/appdata/local/temp/bracket_sim1-solution_1.T109004_37'
SCR=yes
SMEM=20.0X
NEWDEL='c:/program files/siemens/simcenter3d_2412/nxnastran/scnas/em64tntl/SSS'
DEL='NXNDEF'
AUTH='29000@AntoineThinkpad'
AUTHQUE=0
MSGCAT='c:/program files/siemens/simcenter3d_2412/nxnastran/scnas/em64tntl/analysis.msg'
MSGDEST='f06'
PROG=bundle
NEWS='c:/program files/siemens/simcenter3d_2412/nxnastran/scnas/nast/news.txt'
UMATLIB='libnxumat.dll'
UCRPLIB='libucreep.dll'
USOLLIB='libusol.dll'
--------------------------------------------------------------------------------------
NXN_ISHELLPATH=C:\Program Files\Siemens\Simcenter3D_2412\nxnastran\bin
NXN_JIDPATH=
PATH=c:/program files/siemens/simcenter3d_2412/nxnastran/scnas/em64tntl;c:/program files/siemens/simcenter3d_2412/nxnastran/scnas/em64tntl/sysnoise;c:/program files/siemens/simcenter3d_2412/nxnastran/scnas/em64tntl/softwareanalytics;c:/program files/siemens/simcenter3d_2412/nxnastran/scnas/em64tntl/samcef;c:/program files/siemens/simcenter3d_2412/nxnastran/scnas/em64tntl/impi/bin;c:/program files/siemens/simcenter3d_2412/nxnastran/scnas/em64tntl/monitor;C:\Program Files\Siemens\Simcenter3D_2412\nxbin;C:\Program Files\Siemens\Simcenter3D_2412\NXBIN;C:\Program Files\Siemens\NX2412\NXBIN;C:\Users\antoi\bin;C:\Program Files\Git\mingw64\bin;C:\Program Files\Git\usr\local\bin;C:\Program Files\Git\usr\bin;C:\Program Files\Git\usr\bin;C:\Program Files\Git\mingw64\bin;C:\Program Files\Git\usr\bin;C:\Users\antoi\bin;C:\Users\antoi\AppData\Local\Programs\cursor\resources\app\bin;C:\Program Files\Google\Chrome\Application;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\Windows\System32\OpenSSH;C:\Program Files\dotnet;C:\Program Files (x86)\Microsoft SQL Server\160\Tools\Binn;C:\Program Files\Microsoft SQL Server\160\Tools\Binn;C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\170\Tools\Binn;C:\Program Files\Microsoft SQL Server\160\DTS\Binn;C:\Program Files (x86)\Windows Kits\8.1\Windows Performance Toolkit;C:\ProgramData\chocolatey\bin;C:\ProgramData\chocolatey\bin;C:\Program Files\Git\cmd;C:\Program Files\Git\usr\bin;C:\Program Files\MiKTeX\miktex\bin\x64\pdflatex.exe;C:\Strawberry\c\bin;C:\Strawberry\perl\site\bin;C:\Strawberry\perl\bin;C:\Program Files\Pandoc;C:\Program Files\Siemens\NX1980\CAPITALINTEGRATION\capitalnxremote;C:\Program Files\Tesseract-OCR;C:\Program Files\Inkscape\bin;C:\Program Files\Siemens\NX2412\CAPITALINTEGRATION\capitalnxremote;C:\Program Files\Tailscale;C:\Program Files\Siemens\NX2506\CAPITALINTEGRATION\capitalnxremote;C:\Program Files\Docker\Docker\resources\bin;C:\Users\antoi\.local\bin;C:\Users\antoi\AppData\Local\Microsoft\WindowsApps;C:\Users\antoi\AppData\Local\Programs\Microsoft VS Code\bin;C:\Users\antoi\AppData\Local\Programs\MiKTeX\miktex\bin\x64;C:\Users\antoi\AppData\Local\Pandoc;C:\Users\antoi\AppData\Local\Programs\Ollama;C:\Program Files\Graphviz\bin;C:\Users\antoi\.dotnet\tools;C:\Users\antoi\AppData\Local\Programs\cursor\resources\app\bin;C:\Program Files\Git\usr\bin\vendor_perl;C:\Program Files\Git\usr\bin\core_perl
Command Line: bracket_sim1-solution_1.dat prog=bundle old=no scratch=yes
Current Dir: C:\Users\antoi\Documents\Atomaste\Atomizer\examples\bracket
Executable: c:/program files/siemens/simcenter3d_2412/nxnastran/scnas/em64tntl/analysis.exe
NXN_MSG: stderr
--------------------------------------------------------------------------------------
Current resource limits:
Physical memory: 65208 MB
Physical memory available: 36638 MB
Paging file size: 83640 MB
Paging file size available: 34893 MB
Virtual memory: 134217727 MB
Virtual memory available: 134213557 MB
--------------------------------------------------------------------------------------
System configuration:
Hostname: AntoineThinkpad
Architecture: em64tnt
Platform: Intel64 Family 6 Model 183 Stepping 1 Windows 10
Model: Intel(R) Core(TM) i7-14700HX
Clock freq.: 2304 MHz
Number of CPUs: 28
Executable: standard
Raw model ID: 8666
Config number: 8666
Physical memory: 65208 MB
Virtual memory: 83640 MB
Numeric format: 64-bit little-endian IEEE.
Bytes per word: 8
Disk block size: 512 bytes (64 words)
Remote shell cmd: Remote capabilities not available.
--------------------------------------------------------------------------------------
Simcenter Nastran started Sat Nov 15 12:51:38 EST 2025
12:51:38 Beginning Analysis
12:51:38 Simcenter NASTRAN Authorization Information - System Attributes
12:51:38 --------------------------------------------------------
12:51:38 Model: Intel(R) Core(TM) i7-14700HX (An
12:51:38 Machine: Intel64 Family 6 Model 183 Stepp
12:51:38 OS: Windows 10
12:51:38 Version:
12:51:38 License File(s): 29000@AntoineThinkpad
12:51:38 app set license server to 29000@AntoineThinkpad
12:51:38 ************** License Server/File Information **************
Server/File : 29000@AntoineThinkpad
License File Sold To / Install : 10219284 - Atomaste
License File Webkey Access Code : S6C5JBSW94
License File Issuer : SIEMENS
License File Type : No Type
Flexera Daemon Version : 11.19
Vendor Daemon Version : 11.1 SALT v5.0.0.0
12:51:38 *************************************************************
12:51:38 **************** License Session Information ****************
Toolkit Version : 2.6.2.0
Server Setting Used : 29000@AntoineThinkpad
Server Setting Location : Application Specific Location.
Number of bundles in use : 0
12:51:38 *************************************************************
12:51:38 SALT_startLicensingSession: call count: 1
12:51:38 Simcenter NASTRAN Authorization Information - Checkout Successful
12:51:38 -----------------------------------------------------------------
12:51:38 License for module Simcenter Nastran Basic - NX Desktop (Bundle) checked out successfully
12:51:38 Analysis started.
12:51:38 Geometry access/verification to CAD part initiated (if needed).
12:51:38 Geometry access/verification to CAD part successfully completed (if needed).
12:51:38 Finite element model generation started.
12:51:38 Finite element model generated 12516 degrees of freedom.
12:51:38 Finite element model generation successfully completed.
12:51:38 Application of Loads and Boundary Conditions to the finite element model started.
12:51:38 Application of Loads and Boundary Conditions to the finite element model successfully completed.
12:51:38 Solution of the system equations for linear statics started.
12:51:38 Solution of the system equations for linear statics successfully completed.
12:51:38 Linear static analysis completed.
12:51:38 NSEXIT: EXIT(0)
12:51:38 SALT_term: Successful session call count: 0
12:51:38 Session has been terminated.
12:51:38 Analysis complete 0
Real: 0.735 seconds ( 0:00:00.735)
User: 0.296 seconds ( 0:00:00.296)
Sys: 0.187 seconds ( 0:00:00.187)
Simcenter Nastran finished Sat Nov 15 12:51:38 EST 2025
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