Agent4Abaqus

Category: Development & Coding | Uploader: shaokun-chen | Downloads: 0 | Version: v1.0（Latest）

This directory contains best practices for generating correct ABAQUS Python scripts. Use this as the entry point to find the right skill for your task.

Changelog: Source: GitHub https://github.com/shaokun-chen/Agent4Abaqus

Directory Structure

Current level: skills/

📁 assembly/
- 📄 instance.md 1.0 KB
- 📄 pattern.md 744 B
- 📄 translate.md 408 B
📁 auxiliary/
- 📄 csys.md 2.2 KB
- 📄 set.md 3.9 KB
- 📄 surface.md 4.6 KB
📁 error/
- 📄 common_errors.md 7.1 KB
📁 interaction/
- 📁 connector/
  - 📄 connector.md 3.1 KB
- 📁 constraint/
  - 📄 coupling.md 789 B
  - 📄 mpc.md 429 B
  - 📄 rigid.md 541 B
  - 📄 shell2solid.md 483 B
  - 📄 tie.md 758 B
- 📁 contact/
  - 📄 general_contact.md 391 B
  - 📄 self_contact.md 740 B
  - 📄 surf2surf_contact.md 1.5 KB
- 📁 special/
  - 📄 inertia.md 363 B
  - 📄 spring.md 440 B
📁 job/
- 📄 job.md 2.5 KB
📁 load/
- 📁 bc/
  - 📄 acc.md 1.3 KB
  - 📄 disp.md 2.6 KB
  - 📄 temp.md 473 B
  - 📄 vel.md 1.3 KB
- 📁 load/
  - 📄 body_force.md 588 B
  - 📄 bolt_load.md 692 B
  - 📄 con_force.md 1.2 KB
  - 📄 gravity.md 439 B
  - 📄 heat_flux.md 711 B
  - 📄 line_load.md 543 B
  - 📄 moment.md 384 B
  - 📄 pipe_pressure.md 794 B
  - 📄 pressure.md 762 B
  - 📄 shell_edge_load.md 1.3 KB
  - 📄 thermal_load.md 765 B
- 📁 pre_field/
  - 📄 init_state.md 650 B
  - 📄 temp.md 966 B
📁 mesh/
- 📁 assem_mesh/
  - 📄 assem_mesh.md 384 B
- 📁 elem_type/
  - 📄 shell_type.md 2.7 KB
  - 📄 solid_type.md 5.0 KB
  - 📄 wire_type.md 2.3 KB
- 📁 part_mesh/
  - 📄 shell_mesh.md 528 B
  - 📄 solid_mesh.md 731 B
  - 📄 wire_mesh.md 505 B
📁 part/
- 📁 create/
  - 📄 shell.md 929 B
  - 📄 solid.md 1.9 KB
  - 📄 wire.md 956 B
- 📁 edit/
  - 📄 edit_feature.md 522 B
  - 📄 partition.md 899 B
- 📁 sketch/
  - 📄 sketch.md 920 B
📁 property/
- 📁 assign/
  - 📄 orientation.md 1.2 KB
  - 📄 sec_assign.md 1.3 KB
- 📁 material.md/
  - 📄 damage.md 1.0 KB
  - 📄 density.md 391 B
  - 📄 elastic.md 3.2 KB
  - 📄 hyperelastic.md 2.3 KB
  - 📄 mohr_coulomb.md 2.1 KB
  - 📄 plastic.md 1.2 KB
  - 📄 thermal.md 631 B
- 📁 section.md/
  - 📄 beam.md 1.6 KB
  - 📄 composite.md 5.2 KB
  - 📄 shell.md 1.7 KB
  - 📄 solid.md 552 B
📁 step/
- 📄 buckle_step.md 1.2 KB
- 📄 couple_temp_disp.md 1.9 KB
- 📄 explicit_step.md 472 B
- 📄 freq_step.md 1.9 KB
- 📄 heat_step.md 507 B
- 📄 implicit_dynamic.md 978 B
- 📄 linear_perturbation.md 1.7 KB
- 📄 output.md 1.2 KB
- 📄 riks.md 2.0 KB
- 📄 static_step.md 757 B
📄 demand.md 9.4 KB
📄 SKILL.md 18.1 KB

SKILL.md

# ABAQUS Python Script Skills

This directory contains best practices for generating correct ABAQUS Python scripts. Use this as the entry point to find the right skill for your task.

## Structure

```
skills/
├── SKILL.md                        # This file - overview and quick index
├── part/                           # Part module - geometry creation
│   ├── create/
│   │   ├── solid.md               # Create solid parts
│   │   ├── shell.md               # Create shell parts
│   │   └── wire.md                # Create wire parts
│   ├── sketch/
│   │   └── sketch.md              # Sketch operations
│   └── edit/
│       ├── edit_feature.md        # Feature editing
│       └── partition.md           # Partition operations
├── property/                       # Property module - materials, sections
│   ├── material.md/
│   │   ├── elastic.md             # Elastic material
│   │   ├── plastic.md             # Plastic material
│   │   ├── mohr_coulomb.md        # Mohr-Coulomb material
│   │   ├── density.md             # Density
│   │   ├── thermal.md            # Thermal properties
│   │   ├── hyperelastic.md       # Hyperelastic material
│   │   └── damage.md             # Damage models
│   ├── section.md/
│   │   ├── solid.md               # Solid section
│   │   ├── shell.md               # Shell section
│   │   └── beam.md                # Beam section
│   └── assign/
│       ├── sec_assign.md          # Section assignment
│       ├── composite.md           # Composite layup
│       └── orientation.md         # Orientation
├── assembly/                       # Assembly module - instance creation
│   ├── instance.md                # Create instances
│   ├── translate.md              # Translate instances
│   └── pattern.md                # Create patterns
├── step/                           # Step module - analysis steps
│   ├── static_step.md             # Static analysis
│   ├── implicit_dynamic.md       # Implicit dynamic
│   ├── explicit_step.md          # Dynamic explicit
│   ├── freq_step.md               # Modal/frequency analysis
│   ├── buckle_step.md             # Buckling analysis
│   ├── heat_step.md              # Heat transfer
│   ├── couple_temp_disp.md       # Coupled temperature-displacement
│   ├── riks.md                   # Riks (arc-length) analysis
│   ├── linear_perturbation.md    # Linear perturbation
│   └── output.md                 # Output requests
├── load/                           # Load module - loads and BCs
│   ├── bc/
│   │   ├── disp.md               # Displacement BC
│   │   ├── vel.md                # Velocity BC
│   │   ├── acc.md                # Acceleration BC
│   │   ├── temp.md               # Temperature BC
│   │   └── connector.md          # Connector BC
│   ├── load/
│   │   ├── pressure.md           # Pressure load
│   │   ├── con_force.md          # Concentrated force
│   │   ├── moment.md              # Moment
│   │   ├── body_force.md         # Body force
│   │   ├── gravity.md             # Gravity load
│   │   ├── thermal_load.md       # Thermal load
│   │   ├── heat_flux.md          # Heat flux
│   │   ├── bolt_load.md          # Bolt load
│   │   ├── pipe_pressure.md      # Pipe pressure
│   │   ├── shell_edge_load.md    # Shell edge load
│   │   └── line_load.md          # Line load
│   └── pre_field/
│       ├── init_state.md         # Initial state
│       └── temp.md               # Temperature field
├── mesh/                           # Mesh module - mesh generation
│   ├── part_mesh/
│   │   ├── solid_mesh.md         # Solid mesh
│   │   ├── shell_mesh.md         # Shell mesh
│   │   └── wire_mesh.md          # Wire mesh
│   ├── assem_mesh/
│   │   └── assem_mesh.md         # Assembly mesh
│   └── elem_type/
│       ├── solid_type.md         # Solid element types
│       ├── shell_type.md         # Shell element types
│       └── wire_type.md          # Wire element types
├── interaction/                     # Interaction module - contacts, constraints
│   ├── contact/
│   │   ├── surf2surf_contact.md  # Surface-to-surface contact
│   │   ├── self_contact.md       # Self-contact
│   │   └── general_contact.md    # General contact
│   ├── constraint/
│   │   ├── tie.md                # Tie constraint
│   │   ├── coupling.md           # Coupling constraint
│   │   ├── rigid.md              # Rigid body constraint
│   │   ├── mpc.md               # MPC constraint
│   │   └── shell2solid.md        # Shell-to-solid coupling
│   └── special/
│       ├── spring.md             # Spring
│       └── inertia.md             # Point mass/inertia
├── auxiliary/                      # Selection methods & coordinate systems
│   ├── set.md                     # Set creation
│   ├── surface.md                 # Surface creation
│   └── csys.md                    # Coordinate system
├── job/                           # Job module - submit and monitor
│   └── job.md                     # Job creation and submission
└── error/                         # Common errors and solutions
    ├── common_errors.md
    └── README.md
```

## Quick Index

| Need | File |
|------|------|
| Create solid geometry | [part/create/solid.md](part/create/solid.md) |
| Create shell geometry | [part/create/shell.md](part/create/shell.md) |
| Create wire geometry | [part/create/wire.md](part/create/wire.md) |
| Sketch operations | [part/sketch/sketch.md](part/sketch/sketch.md) |
| Partition | [part/edit/partition.md](part/edit/partition.md) |
| Elastic material | [property/material.md/elastic.md](property/material.md/elastic.md) |
| Plastic material | [property/material.md/plastic.md](property/material.md/plastic.md) |
| Density | [property/material.md/density.md](property/material.md/density.md) |
| Thermal properties | [property/material.md/thermal.md](property/material.md/thermal.md) |
| Solid section | [property/section.md/solid.md](property/section.md/solid.md) |
| Shell section | [property/section.md/shell.md](property/section.md/shell.md) |
| Beam section | [property/section.md/beam.md](property/section.md/beam.md) |
| Section assignment | [property/assign/sec_assign.md](property/assign/sec_assign.md) |
| Create instance | [assembly/instance.md](assembly/instance.md) |
| Translate instance | [assembly/translate.md](assembly/translate.md) |
| Create pattern | [assembly/pattern.md](assembly/pattern.md) |
| Static analysis | [step/static_step.md](step/static_step.md) |
| Implicit dynamic | [step/implicit_dynamic.md](step/implicit_dynamic.md) |
| Explicit dynamic | [step/explicit_step.md](step/explicit_step.md) |
| Modal analysis | [step/freq_step.md](step/freq_step.md) |
| Buckling analysis | [step/buckle_step.md](step/buckle_step.md) |
| Heat transfer | [step/heat_step.md](step/heat_step.md) |
| Coupled temp-disp | [step/couple_temp_disp.md](step/couple_temp_disp.md) |
| Riks analysis | [step/riks.md](step/riks.md) |
| Linear perturbation | [step/linear_perturbation.md](step/linear_perturbation.md) |
| Output requests | [step/output.md](step/output.md) |
| Displacement BC | [load/bc/disp.md](load/bc/disp.md) |
| Velocity BC | [load/bc/vel.md](load/bc/vel.md) |
| Acceleration BC | [load/bc/acc.md](load/bc/acc.md) |
| Temperature BC | [load/bc/temp.md](load/bc/temp.md) |
| Pressure load | [load/load/pressure.md](load/load/pressure.md) |
| Concentrated force | [load/load/con_force.md](load/load/con_force.md) |
| Moment | [load/load/moment.md](load/load/moment.md) |
| Body force | [load/load/body_force.md](load/load/body_force.md) |
| Gravity | [load/load/gravity.md](load/load/gravity.md) |
| Thermal load | [load/load/thermal_load.md](load/load/thermal_load.md) |
| Heat flux | [load/load/heat_flux.md](load/load/heat_flux.md) |
| Bolt load | [load/load/bolt_load.md](load/load/bolt_load.md) |
| Pipe pressure | [load/load/pipe_pressure.md](load/load/pipe_pressure.md) |
| Shell edge load | [load/load/shell_edge_load.md](load/load/shell_edge_load.md) |
| Initial state | [load/pre_field/init_state.md](load/pre_field/init_state.md) |
| Temperature field | [load/pre_field/temp.md](load/pre_field/temp.md) |
| Solid mesh | [mesh/part_mesh/solid_mesh.md](mesh/part_mesh/solid_mesh.md) |
| Shell mesh | [mesh/part_mesh/shell_mesh.md](mesh/part_mesh/shell_mesh.md) |
| Wire mesh | [mesh/part_mesh/wire_mesh.md](mesh/part_mesh/wire_mesh.md) |
| Assembly mesh | [mesh/assem_mesh/assem_mesh.md](mesh/assem_mesh/assem_mesh.md) |
| Solid elements | [mesh/elem_type/solid_type.md](mesh/elem_type/solid_type.md) |
| Shell elements | [mesh/elem_type/shell_type.md](mesh/elem_type/shell_type.md) |
| Wire elements | [mesh/elem_type/wire_type.md](mesh/elem_type/wire_type.md) |
| Surface contact | [interaction/contact/surf2surf_contact.md](interaction/contact/surf2surf_contact.md) |
| Self-contact | [interaction/contact/self_contact.md](interaction/contact/self_contact.md) |
| General contact | [interaction/contact/general_contact.md](interaction/contact/general_contact.md) |
| Tie constraint | [interaction/constraint/tie.md](interaction/constraint/tie.md) |
| Coupling constraint | [interaction/constraint/coupling.md](interaction/constraint/coupling.md) |
| Rigid body | [interaction/constraint/rigid.md](interaction/constraint/rigid.md) |
| Spring | [interaction/special/spring.md](interaction/special/spring.md) |
| Inertia | [interaction/special/inertia.md](interaction/special/inertia.md) |
| Create Set | [auxiliary/set.md](auxiliary/set.md) |
| Create Surface | [auxiliary/surface.md](auxiliary/surface.md) |
| Job | [job/job.md](job/job.md) |
| Error fix | [error/common_errors.md](error/common_errors.md) |

## Core Rules Summary

| Scenario | Wrong | Correct |
|----------|-------|---------|
| Open CAE | `mdb.openMdb()` | `openMdb(pathName=cae_file)` |
| BC/Load Set | `instance.Set(...)` | `rootAssembly.Set(...)` |
| Section | `region=part.cells` | First create Set, then `region=part.sets['Name']` |
| setElementType | `regions=part.sets` | `regions=part.cells` |
| setMeshControls | `regions=part.sets` | `regions=part.sets['Name'].cells` |
| Pressure Load | `region=rootAssembly.sets` | `region=rootAssembly.surfaces` |
| Selection | `edges[0]`, `faces[0]` | `getByBoundingBox(...)` |

## Required Imports

```python
from abaqus import *
from abaqusConstants import *
import part
import sketch
import material
import section
import assembly
import step
import interaction
import load
import mesh
import job
```

## Finding Skills by Stage

### 1. PART - Geometry Creation
- **Create solid**: [part/create/solid.md](part/create/solid.md)
- **Create shell**: [part/create/shell.md](part/create/shell.md)
- **Create wire**: [part/create/wire.md](part/create/wire.md)
- **Sketch operations**: [part/sketch/sketch.md](part/sketch/sketch.md)
- **Partition**: [part/edit/partition.md](part/edit/partition.md)

### 2. PROPERTY - Materials & Sections
- **Elastic**: [property/material.md/elastic.md](property/material.md/elastic.md)
- **Plastic**: [property/material.md/plastic.md](property/material.md/plastic.md)
- **Mohr-Coulomb**: [property/material.md/mohr_coulomb.md](property/material.md/mohr_coulomb.md)
- **Density**: [property/material.md/density.md](property/material.md/density.md)
- **Thermal**: [property/material.md/thermal.md](property/material.md/thermal.md)
- **Hyperelastic**: [property/material.md/hyperelastic.md](property/material.md/hyperelastic.md)
- **Damage**: [property/material.md/damage.md](property/material.md/damage.md)
- **Solid section**: [property/section.md/solid.md](property/section.md/solid.md)
- **Shell section**: [property/section.md/shell.md](property/section.md/shell.md)
- **Beam section**: [property/section.md/beam.md](property/section.md/beam.md)
- **Assign section**: [property/assign/sec_assign.md](property/assign/sec_assign.md)
- **Composite layup**: [property/section.md/composite.md](property/section.md/composite.md)

### 3. ASSEMBLY - Instance Management
- **Create instance**: [assembly/instance.md](assembly/instance.md)
- **Translate**: [assembly/translate.md](assembly/translate.md)
- **Pattern**: [assembly/pattern.md](assembly/pattern.md)

### 4. STEP - Analysis Steps
- **Static**: [step/static_step.md](step/static_step.md)
- **Implicit dynamic**: [step/implicit_dynamic.md](step/implicit_dynamic.md)
- **Explicit dynamic**: [step/explicit_step.md](step/explicit_step.md)
- **Frequency/Modal**: [step/freq_step.md](step/freq_step.md)
- **Buckling**: [step/buckle_step.md](step/buckle_step.md)
- **Heat transfer**: [step/heat_step.md](step/heat_step.md)
- **Coupled temp-disp**: [step/couple_temp_disp.md](step/couple_temp_disp.md)
- **Riks**: [step/riks.md](step/riks.md)
- **Linear perturbation**: [step/linear_perturbation.md](step/linear_perturbation.md)
- **Output**: [step/output.md](step/output.md)

### 5. LOAD - Loads & BCs
- **Displacement BC**: [load/bc/disp.md](load/bc/disp.md)
- **Velocity BC**: [load/bc/vel.md](load/bc/vel.md)
- **Acceleration BC**: [load/bc/acc.md](load/bc/acc.md)
- **Temperature BC**: [load/bc/temp.md](load/bc/temp.md)
- **Pressure**: [load/load/pressure.md](load/load/pressure.md)
- **Concentrated force and moment**: [load/load/con_force.md](load/load/con_force.md)
- **Moment**: [load/load/moment.md](load/load/moment.md)
- **Body force**: [load/load/body_force.md](load/load/body_force.md)
- **Gravity**: [load/load/gravity.md](load/load/gravity.md)
- **Thermal load**: [load/load/thermal_load.md](load/load/thermal_load.md)
- **Heat flux**: [load/load/heat_flux.md](load/load/heat_flux.md)
- **Bolt load**: [load/load/bolt_load.md](load/load/bolt_load.md)
- **Pipe pressure**: [load/load/pipe_pressure.md](load/load/pipe_pressure.md)
- **Shell edge load**: [load/load/shell_edge_load.md](load/load/shell_edge_load.md)
- **Line load**: [load/load/line_load.md](load/load/line_load.md)
- **Initial state**: [load/pre_field/init_state.md](load/pre_field/init_state.md)
- **Temperature field**: [load/pre_field/temp.md](load/pre_field/temp.md)

### 6. MESH - Mesh Generation
- **Solid mesh**: [mesh/part_mesh/solid_mesh.md](mesh/part_mesh/solid_mesh.md)
- **Shell mesh**: [mesh/part_mesh/shell_mesh.md](mesh/part_mesh/shell_mesh.md)
- **Wire mesh**: [mesh/part_mesh/wire_mesh.md](mesh/part_mesh/wire_mesh.md)
- **Assembly mesh**: [mesh/assem_mesh/assem_mesh.md](mesh/assem_mesh/assem_mesh.md)
- **Solid elements**: [mesh/elem_type/solid_type.md](mesh/elem_type/solid_type.md)
- **Shell elements**: [mesh/elem_type/shell_type.md](mesh/elem_type/shell_type.md)
- **Wire elements**: [mesh/elem_type/wire_type.md](mesh/elem_type/wire_type.md)

### 7. INTERACTION - Contacts & Constraints
- **Surface contact**: [interaction/contact/surf2surf_contact.md](interaction/contact/surf2surf_contact.md)
- **Self-contact**: [interaction/contact/self_contact.md](interaction/contact/self_contact.md)
- **General contact**: [interaction/contact/general_contact.md](interaction/contact/general_contact.md)
- **Tie**: [interaction/constraint/tie.md](interaction/constraint/tie.md)
- **Coupling**: [interaction/constraint/coupling.md](interaction/constraint/coupling.md)
- **Rigid body**: [interaction/constraint/rigid.md](interaction/constraint/rigid.md)
- **MPC**: [interaction/constraint/mpc.md](interaction/constraint/mpc.md)
- **Shell-to-solid**: [interaction/constraint/shell2solid.md](interaction/constraint/shell2solid.md)
- **Spring**: [interaction/special/spring.md](interaction/special/spring.md)
- **Inertia**: [interaction/special/inertia.md](interaction/special/inertia.md)

### 8. AUXILIARY - Selection & Coordinate Systems
- **Set**: [auxiliary/set.md](auxiliary/set.md)
- **Surface**: [auxiliary/surface.md](auxiliary/surface.md)
- **Coordinate System**: [auxiliary/csys.md](auxiliary/csys.md)

### 9. JOB - Submit and Monitor
- **Job**: [job/job.md](job/job.md)

## Finding Skills by Error

If you encounter an error, check [error/common_errors.md](error/common_errors.md):

| Error Message | Solution |
|--------------|----------|
| `'Part' object has no attribute 'Sketch'` | Use `model.ConstrainedSketch()` |
| `'PartInstance' object has no attribute 'Set'` | Use `rootAssembly.Set()` |
| `region; found GeomSequence, expecting Region` | Create Set first |
| `region; found Surface, expecting Region` | Use Surface for Pressure |
| `keyword error on previousStepName` | Use `previous=` not `previousStepName=` |
| `model has no mesh` | Call `assembly.generateMesh()` |
| `DO NOT set historyOutputRequests` | Skip for modal analysis |

## Unit Systems

| Physical Quantity | SI (m-kg-s) | mm-t-s | cm-g-s |
|-------------------|-------------|----------------------|--------|
| Length | m | mm | cm |
| Mass | kg | ton (1000 kg) | g |
| Time | s | s | s |
| Force | N | N | dyne (10^-5 N) |
| Stress/Pressure | Pa (N/m²) | MPa (N/mm²) | dyne/cm² |
| Elastic Modulus | Pa | MPa | dyne/cm² |
| Density | kg/m³ | ton/mm³ | g/cm³ |
| Energy | J | N·mm | erg |
| Temperature | K | K | K |
| Thermal Expansion | 1/K | 1/K | 1/K |

**Recommendations:**
- **SI (m-kg-s)**: Large structures, aerospace, civil engineering
- **mm-t-s**: Mechanical parts, automotive, most engineering (recommended)
- **cm-g-s**: Small components, microelectronics, laboratory scale

## Key Concepts

- **Part**: Part-level operations (SectionAssignment, mesh control)
- **PartInstance**: Assembly instance (NO Set method!)
- **rootAssembly**: Assembly-level operations (BC, Load) - has Set method
- **Surface**: Required for Pressure loads (NOT Set!)
- **Set**: Required for BC, ConcentratedForce, and section assignments

## Selection Methods

| Method | Returns | Use For |
|--------|---------|---------|
| `getByBoundingBox(...)` | GeomSequence | Selection |
| `.cells` | CellArray | setMeshControls, setElementType |
| `.faces`, `.edges`, `.vertices` | tuple | Accessing geometry |

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