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Abaqus Topology Optimization

CommunityPopular
Cai-aa
abaqus-topology-optimization

Complete workflow for topology optimization using Tosca. Use to minimize weight while maintaining stiffness. Requires full Abaqus license (not Learning Edition).

Overview

PublisherCai-aa
RepositoryCAE-Agent-Hub
Skill nameabaqus-topology-optimization
Stars
1K
Forks
130
Bundled files
3
LicenseMIT
Links
  • Markdown instructions

    A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.

  • Works with any LLM

    AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.

  • 3 bundled files

    Scripts, templates, and references the model can read while it works. Files are read-only and never executed.

  • Open source

    Published by Cai-aa on GitHub. Read the source before you install it.

Installation

Install the Abaqus Topology Optimization AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

1

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

  1. Open the app and go to Plugins → Skills.
  2. Choose "Install from GitHub".
  3. Paste the skill folder URL below and confirm.
    https://github.com/Cai-aa/CAE-Agent-Hub/tree/main/Skill/abaqus/optimization/abaqus-topology-optimization
  4. Enable the skill in any chat where you want it available.
Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.
2

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills
git clone --depth 1 https://github.com/Cai-aa/CAE-Agent-Hub.git /tmp/CAE-Agent-Hub
mkdir -p .claude/skills
cp -r /tmp/CAE-Agent-Hub/Skill/abaqus/optimization/abaqus-topology-optimization .claude/skills/abaqus-topology-optimization
Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Abaqus Topology Optimization in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Abaqus Topology Optimization on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Abaqus Topology Optimization is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

  • Loaded only when it is needed

    The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.

  • Switch models mid-chat

    Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Abaqus Topology Optimization Workflow

Complete workflow for topology optimization - determining optimal material distribution to minimize weight while maintaining structural performance.

When to Use This Skill

Triggers: topology optimization, minimize weight, lightweight design, organic structure, generative design, where to remove material, material efficiency, design for additive

USE for: Minimize weight while maintaining stiffness, maximize stiffness for given weight, generate organic load-carrying structures

Do NOT use for: Shape optimization (surface only) -> /abaqus-shape-optimization, Learning Edition users -> Tosca requires full license

Important: License Required

Topology optimization requires a full Abaqus license with Tosca module. NOT available in Learning Edition.

Prerequisites

  1. Working static analysis that converges
  2. Design space defined (bounding volume for material)
  3. Clear objective (usually max stiffness at target weight)
  4. Known load cases and boundary conditions

Workflow Steps

Phase 1: Setup Base Model

  1. /abaqus-geometry - Design space with partitions for frozen regions
  2. /abaqus-material - Elastic properties + density (required for TO)
  3. /abaqus-mesh - Fine mesh (2-5mm typical for TO)
  4. /abaqus-bc - Fixed supports (these regions become frozen)
  5. /abaqus-load - Applied forces (these regions become frozen)
  6. /abaqus-step - Static step for stiffness optimization

Phase 2: Configure Optimization

Use /abaqus-optimization for detailed API patterns.

  1. Create TopologyTask with SIMP interpolation
  2. Define design responses (volume, strain energy)
  3. Set objective function (minimize compliance)
  4. Add constraints (volume <= target fraction)
  5. Define frozen regions (BC and load attachment areas)
  6. Add manufacturing constraints (min member size)

Phase 3: Run and Post-Process

  1. /abaqus-job - Submit OptimizationProcess
  2. /abaqus-odb - View density distribution
  3. /abaqus-export - STL export at density threshold (0.3-0.5 typical)

Key Decisions

GoalObjectiveConstraint
Stiffest at weightMinimize complianceVolume <= X%
Lightest that worksMinimize volumeCompliance <= Y
Avoid resonanceMaximize frequencyVolume <= X%

Most common: Minimize compliance with volume constraint at 30%.

Volume Fraction

FractionUse Case
20-30%Aggressive (aerospace)
30-40%Balanced (general)
40-50%Conservative (safety-critical)

Manufacturing Constraints

ConstraintWhen to Use
Minimum member sizeAlways (3-5mm typical)
Draw directionCasting, molding
Symmetry planeBalanced loads, aesthetics
Overhang angleAdditive manufacturing

What to Ask User

Critical:

  • Design space: "What is the bounding volume where material can exist?"
  • Frozen regions: "Which areas must remain solid? (BC/load attachment)"
  • Volume fraction: "What percentage of material should remain? (20-50%)"
  • Loads and BCs: "What loads and supports act on the structure?"

With Defaults:

  • Objective: Min compliance (change if stress/frequency is primary)
  • Min member size: 3mm (adjust for manufacturing)
  • Material: Steel (if not specified)
  • Max iterations: 50 (increase if not converging)
  • SIMP penalty: 3.0 (higher for sharper boundaries)

Validation

StageCheck
Base modelStatic analysis runs, results sensible
After iteration 5Objective decreasing, no disconnection
ConvergenceObjective stable (< 0.1% change)
Final designLoad path intact, no floating regions

Troubleshooting

IssueSolution
Checkerboard patternAdd min member size constraint
Not convergingRelax volume fraction, check frozen regions
Disconnected regionsAdd more frozen regions along load path
Takes foreverCoarsen mesh, reduce iterations
License errorRequires full Abaqus with Tosca

Code Patterns

For API syntax and code examples, see:

  • /abaqus-optimization - Task, response, objective, constraint API
  • references/common-patterns.md - Complete TO code patterns

Related Skills

  • /abaqus-optimization - Base optimization API details
  • /abaqus-static-analysis - Required before optimization
  • /abaqus-shape-optimization - Alternative for surface-only changes
  • /abaqus-export - Export optimized geometry

Bundled files

The model reads these on demand while the skill is loaded. They are exposed as readable files and are never executed.

Frequently asked questions

What does the Abaqus Topology Optimization AI skill do?

Complete workflow for topology optimization using Tosca. Use to minimize weight while maintaining stiffness. Requires full Abaqus license (not Learning Edition).

Why use Abaqus Topology Optimization on TypingMind?

Because you install it once and use it with any model. Abaqus Topology Optimization is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Abaqus Topology Optimization in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/Cai-aa/CAE-Agent-Hub/tree/main/Skill/abaqus/optimization/abaqus-topology-optimization. TypingMind reads its SKILL.md and bundles its files and installs it as a skill you can enable per chat.

Which AI models can use Abaqus Topology Optimization?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Abaqus Topology Optimization?

As many as you like. As long as a model supports skills, you can use Abaqus Topology Optimization with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Abaqus Topology Optimization AI skill free?

Yes. It is published on GitHub by Cai-aa under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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