cai-aa/text-to-cae/abaqus-odb
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Read analysis results. Use when user asks about maximum stress, extracting displacements, reaction forces, or exporting results. Post-processes ODB files.
Install
npx vskill@latest install cai-aa/text-to-cae/abaqus-odbSKILL.md
Abaqus ODB Skill
This skill reads and extracts analysis results from Abaqus ODB files.
When to Use This Skill
Route here when user mentions:
- "What is the maximum stress?", "extract displacement"
- "Get reaction forces", "post-process the ODB"
- "Export results to CSV", "what are the eigenfrequencies?"
Route elsewhere:
- Running the analysis →
/abaqus-job - Configuring what output to save →
/abaqus-output - Exporting geometry (STL, STEP) →
/abaqus-export
Key Decisions
1. What Result is Needed?
| Need | Field | Notes | |
|---|---|---|---|
| Displacement | U | Use .magnitude for total | |
| Stress | S | Use .mises for von Mises | |
| Reaction force | RF | Sum components for total | |
| Strain | E | Similar structure to stress | |
| Temperature | NT | Thermal analysis results | |
| Eigenfrequency | Frame description | Parse from frame metadata |
2. Which Step/Frame?
| Scenario | Frame Selection | |
|---|---|---|
| Final results | step.frames[-1] | |
| All time history | Loop all frames | |
| Specific time | Find by frameValue | |
| Modal analysis | Each frame = mode |
3. Location: Global Max or Specific?
| Need | Approach | |
|---|---|---|
| Overall maximum | Loop all values, find max | |
| Specific node | Filter by nodeLabel | |
| Subset/region | Use getSubset(region=...) |
4. Export Format?
| Format | Use Case | |
|---|---|---|
| Print to console | Quick check | |
| CSV file | Spreadsheet analysis | |
| Text report | Documentation |
What to Ask User
If unclear, ask:
- What result? Stress, displacement, reaction force, frequency?
- Which step/frame? Final, specific time, or all?
- Location? Maximum anywhere, or specific node/region?
- Output format? Print, CSV, or report?
Workflow
- Open ODB - Use
readOnly=Truefor extraction - Navigate to step/frame - List steps with
odb.steps.keys() - Get field output - Access via
frame.fieldOutputs['U'] - Extract values - Loop
field.values, use.magnitude,.mises - Close ODB - Always close when done
Common Tasks
| Task | Approach | |
|---|---|---|
| Max displacement | Loop U values, find max magnitude | |
| Max von Mises stress | Loop S values, find max mises | |
| Total reaction force | Sum RF components across all nodes | |
| Displacement at node | Filter by nodeLabel | |
| Results in region | Use getSubset with node/element set | |
| Eigenfrequencies | Parse frame.description in frequency step | |
| Time history | Use historyRegions and historyOutputs | |
| Export to CSV | Write values with csv module |
Troubleshooting
| Error | Cause | Solution | |
|---|---|---|---|
| "ODB locked" | Another process has it | Delete .lck file | |
| "Key not found" | Wrong variable name | List available keys first | |
| "No values" | Output not requested | Check FieldOutputRequest in model | |
| "AttributeError: mises" | Element has no mises | Check element formulation |
Code Patterns
For API syntax and code examples, see:
Security
- Security scanPassed, 95 of 100Pattern checks on the skill's files.
- Model reviewPassed
Quality evaluation
- Task evaluationNot runNo evaluation yet. Run one in Skill Studio.
Source
- SKILL.md in the repositoryCheckingSkill/abaqus/postprocessing/abaqus-odb/SKILL.md
Popularity
- Repository stars
- 832
- Repository forks
- 111
- 7-day trend score
- 34
Stars and forks are for the whole GitHub repository, not this skill alone. Refreshed 4 Sep 2026, a month ago.
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