post-processing

FreedomIntelligence/OpenClaw-Medical-SkillsData Science ToolsAudit pendingSnapshot db10bcfdf697

Summary

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SKILL.md

Post-Processing Skill

Analyze and extract meaningful information from simulation output data.

Goal

Transform raw simulation output into actionable insights through field extraction, statistical analysis, derived quantities, visualizations, and comparison with reference data.

Inputs to Gather

Before running post-processing scripts, collect:

Output Data Location
- Path to simulation output files (JSON, CSV, HDF5, VTK)
- Time step/snapshot indices of interest
- Field names to extract
Analysis Type
- Field extraction (spatial data at specific times)
- Time series (temporal evolution of quantities)
- Line profiles (1D cuts through domain)
- Statistical summary (mean, std, distributions)
- Derived quantities (gradients, integrals, fluxes)
- Comparison to reference data
Output Requirements
- Output format (JSON, CSV, tabular)
- Visualization needs
- Report format

Scripts

Script	Purpose	Key Inputs
`field_extractor.py`	Extract field data from output files	--input, --field, --timestep
`time_series_analyzer.py`	Analyze temporal evolution	--input, --quantity, --window
`profile_extractor.py`	Extract line profiles	--input, --field, --start, --end
`statistical_analyzer.py`	Compute field statistics	--input, --field, --region

# List available fields and timesteps
python scripts/field_extractor.py --input results/ --list --json

# Extract concentration field at timestep 100
python scripts/field_extractor.py \
    --input results/field_0100.json \
    --field concentration \
    --json

# Extract multiple fields
python scripts/field_extractor.py \
    --input results/field_0100.json \
    --field "phi,concentration,temperature" \
    --json

# Extract total energy vs time
python scripts/time_series_analyzer.py \
    --input results/history.json \
    --quantity total_energy \
    --json

# Compute moving average with window
python scripts/time_series_analyzer.py \
    --input results/history.json \
    --quantity mass \
    --window 10 \
    --json

# Detect steady state
python scripts/time_series_analyzer.py \
    --input results/history.json \
    --quantity residual \
    --detect-steady-state \
    --tolerance 1e-6 \
    --json

# Extract profile along x-axis at y=0.5
python scripts/profile_extractor.py \
    --input results/field_0100.json \
    --field concentration \
    --start "0,0.5,0" \
    --end "1,0.5,0" \
    --points 100 \
    --json

# Interface profile (through center)
python scripts/profile_extractor.py \
    --input results/field_0100.json \
    --field phi \
    --axis x \
    --slice-position 0.5 \
    --json

# Global statistics
python scripts/statistical_analyzer.py \
    --input results/field_0100.json \
    --field concentration \
    --json

# Statistics in specific region
python scripts/statistical_analyzer.py \
    --input results/field_0100.json \
    --field phi \
    --region "x>0.3 and x<0.7" \
    --json

# Distribution analysis
python scripts/statistical_analyzer.py \
    --input results/field_0100.json \
    --field phi \
    --histogram \
    --bins 50 \
    --json

# Compute interface area
python scripts/derived_quantities.py \
    --input results/field_0100.json \
    --quantity interface_area \
    --threshold 0.5 \
    --json

# Compute gradient magnitude
python scripts/derived_quantities.py \
    --input results/field_0100.json \
    --quantity gradient_magnitude \
    --field phi \
    --json

# Compute volume fractions
python scripts/derived_quantities.py \
    --input results/field_0100.json \
    --quantity volume_fraction \
    --field phi \
    --threshold 0.5 \
    --json

# Compute flux through boundary
python scripts/derived_quantities.py \
    --input results/field_0100.json \
    --quantity boundary_flux \
    --field concentration \
    --boundary "x=0" \
    --json

# Compare to analytical solution
python scripts/comparison_tool.py \
    --simulation results/profile.json \
    --reference reference/analytical.json \
    --metric l2_error \
    --json

# Compare to experimental data
python scripts/comparison_tool.py \
    --simulation results/history.json \
    --reference experimental_data.csv \
    --metric rmse \
    --interpolate \
    --json

# Compare two simulations
python scripts/comparison_tool.py \
    --simulation results_fine/field.json \
    --reference results_coarse/field.json \
    --metric max_difference \
    --json

# Generate summary report
python scripts/report_generator.py \
    --input results/ \
    --output report.json \
    --json

# Generate with specific sections
python scripts/report_generator.py \
    --input results/ \
    --sections "summary,statistics,convergence" \
    --output report.json \
    --json

# Step 1: Inventory available data
python scripts/field_extractor.py --input results/ --list --json

# Step 2: Extract final state statistics
python scripts/statistical_analyzer.py \
    --input results/field_final.json \
    --field phi \
    --json

# Step 3: Analyze convergence history
python scripts/time_series_analyzer.py \
    --input results/history.json \
    --quantity residual \
    --detect-steady-state \
    --json

# Step 4: Compute derived quantities
python scripts/derived_quantities.py \
    --input results/field_final.json \
    --quantity volume_fraction \
    --field phi \
    --json

# Step 5: Compare to reference (if available)
python scripts/comparison_tool.py \
    --simulation results/profile.json \
    --reference benchmark/expected.json \
    --metric l2_error \
    --json

# Step 6: Generate summary report
python scripts/report_generator.py \
    --input results/ \
    --output analysis_report.json \
    --json

Metric	Interpretation
L2 error < 1%	Excellent agreement
L2 error 1-5%	Good agreement
L2 error 5-10%	Moderate agreement
L2 error > 10%	Poor agreement, investigate

{
    "script": "field_extractor",
    "version": "1.0.0",
    "input_file": "results/field_0100.json",
    "field": "concentration",
    "data": {
        "shape": [100, 100],
        "min": 0.1,
        "max": 0.9,
        "mean": 0.5
    },
    "values": [[...], [...]]
}

post-processing

Summary

SKILL.md

Post-Processing Skill

Goal

Inputs to Gather

Scripts

Workflow

1. Data Inventory

2. Field Extraction

3. Time Series Analysis

4. Line Profile Extraction

5. Statistical Analysis

6. Derived Quantities

7. Comparison with Reference

8. Report Generation

Typical Post-Processing Pipeline

Interpretation Guidelines

Time Series Analysis

Statistical Analysis

Comparison Metrics

Output Format

References

Requirements

Version History

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