Agent skill

Abaqus Optimization

by Cai-aa in Cai-aa/CAE-Agent-Hub

Configure Tosca optimization. An agent skill from Cai-aa/CAE-Agent-Hub.

MITAuto-check passed

Install Abaqus Optimization

skills CLI
$ npx skills add Cai-aa/CAE-Agent-Hub --skill abaqus-optimization -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install Cai-aa/CAE-Agent-Hub abaqus-optimization --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/Cai-aa/CAE-Agent-Hub.git skills-src && mkdir -p .claude/skills && cp -r skills-src/Skill/abaqus/optimization/abaqus-optimization .claude/skills/abaqus-optimization && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
abaqus-optimization
GitHub stars
1k
Token cost
~1.1k tokens
SKILL.md length
405 words
Files
4
Skills in repo
57
Repo updated
First seen
Licence
MIT

At a glance

Configure Tosca optimization. An agent skill from Cai-aa/CAE-Agent-Hub.

  • Works in 7 steps: Understand User's Goal → Choose Objective-Constraint Pair → Define Design Responses → …
  • User mentions design response
  • SKILL.md covers When to Use This Skill, Prerequisites, Workflow: Setting Up… and Key Parameters, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Abaqus Optimization is an agent skill from Cai-aa/CAE-Agent-Hub. Configure Tosca optimization. Use when user mentions design response, objective function, optimization constraint, or SIMP penalty. Base module for topology/shape optimization.

Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 3 other files (for example `UPSTREAM.md` and `metadata.json`).

The licence is MIT.

When your agent uses it

  • User mentions design response
  • Objective function
  • Optimization constraint

Example prompts

  • “/abaqus-optimization”

Requirements

  • Pre-approved tools (allowed-tools): Read, Write, Edit, Glob, Grep, Bash(abaqus:*)

Workflow steps

7 steps, taken from the step headings in SKILL.md.

  1. Understand User's Goal
  2. Choose Objective-Constraint Pair
  3. Define Design Responses
  4. Set Objective Function
  5. Add Constraints
  6. Consider Manufacturing
  7. Freeze Critical Regions

What it can do on your machine

Read from SKILL.md and the folder at commit 194ef49. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Write
    • Edit
    • Glob
    • Grep
    • Bash(abaqus:*)

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Abaqus Optimization loads about 1.1k tokens when it runs. Until then it costs about 49 tokens; SKILL.md has 405 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~49
When it runs · the whole SKILL.md, loaded when a task matches
~1.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from Cai-aa/CAE-Agent-Hub at commit 194ef49, republished under its MIT licence (© Cai-aa). 405 words, ~1,063 tokens.

Download SKILL.mdSave it as .claude/skills/abaqus-optimization/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.
name
abaqus-optimization
description
Configure Tosca optimization. Use when user mentions design response, objective function, optimization constraint, or SIMP penalty. Base module for topology/shape optimization.
allowed-tools
Read, Write, Edit, Glob, Grep, Bash(abaqus:*)

Abaqus Optimization Skill

This skill configures optimization tasks in Abaqus. It's the base module - for complete workflows, route to /abaqus-topology-optimization or /abaqus-shape-optimization.

When to Use This Skill

Route here when user mentions:

  • "design response", "objective function", "optimization constraint"
  • "SIMP penalty", "material interpolation"
  • Low-level optimization setup (not complete workflows)

Route elsewhere:

  • Complete topology optimization workflow → /abaqus-topology-optimization
  • Complete shape optimization workflow → /abaqus-shape-optimization
  • Running the optimization → /abaqus-job

Prerequisites

Before optimization setup:

  1. ✅ Working static analysis that converges
  2. ✅ Appropriate mesh density
  3. ✅ Full Abaqus license with Tosca (not Learning Edition)

Workflow: Setting Up Optimization

Step 1: Understand User's Goal

Ask if unclear:

  • What to optimize? Weight, stiffness, frequency, stress?
  • What constraints? Volume limit, stress limit, displacement limit?
  • Manufacturing? Casting (draw direction), additive (min feature size)?
Step 2: Choose Objective-Constraint Pair
User WantsObjectiveConstraint
Lightest structure that's stiff enoughMinimize volumeCompliance ≤ limit
Stiffest structure at given weightMinimize complianceVolume ≤ 30%
Avoid resonanceMaximize frequencyVolume ≤ target
Reduce peak stressMinimize max stressVolume ≤ target

Most common: Minimize compliance with volume ≤ 30%

Step 3: Define Design Responses

Design responses are the quantities optimization tracks:

ResponseWhen to Use
VOLUMEAlmost always (for volume constraint)
STRAIN_ENERGYStiffness optimization
EIGENFREQUENCYVibration/resonance
STRESSStress-constrained design
DISPLACEMENTDeflection limit
Step 4: Set Objective Function

The objective is what gets optimized:

  • MINIMIZE_MAXIMUM - For compliance, stress
  • MAXIMIZE_MINIMUM - For frequency
Step 5: Add Constraints

Constraints limit the design space:

  • RELATIVE_LESS_THAN_EQUAL - Percentage (volume ≤ 30%)
  • ABSOLUTE_LESS_THAN_EQUAL - Fixed value (stress ≤ 200 MPa)
Show full SKILL.md (165 more words)Show less
Step 6: Consider Manufacturing
ConstraintPurpose
Min member sizePrevents thin, unmanufacturable features (3-5mm typical)
SymmetryMirrors design about plane
Draw directionEnables mold/casting extraction
Overhang angleFor additive manufacturing
Step 7: Freeze Critical Regions

Always freeze:

  • BC application regions (mounting points)
  • Load application regions
  • Functional surfaces (mating interfaces)

Key Parameters

ParameterRecommendedNotes
SIMP penalty3.0Higher = sharper boundaries
Volume fraction0.3-0.4Start conservative
Min member size3× mesh sizePrevents checkerboard
Design cycles30-50More for complex geometry

Validation Checklist

After setup, verify:

  • Task created with correct region
  • At least one design response defined
  • Objective function set
  • Volume or other constraint defined
  • BC/load regions frozen
  • Manufacturing constraint if needed

Troubleshooting

ProblemLikely CauseSolution
Checkerboard patternNo min member sizeAdd GeometricRestriction
Disconnected resultLoad path brokenFreeze more regions
Not convergingConstraint too tightRelax volume fraction
"License error"No Tosca moduleRequires full Abaqus

Code Patterns

For actual API syntax and code examples, see:

© Cai-aa, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 3 other files in Skill/abaqus/optimization/abaqus-optimization of Cai-aa/CAE-Agent-Hub.

  • SKILL.md
  • UPSTREAM.md
  • UPSTREAM_LICENSE
  • metadata.json

Open the folder on GitHubat commit 194ef49

Compare with similar skills

Abaqus Optimization next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Abaqus Optimization compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Abaqus Optimization this skillCai-aa/CAE-Agent-Hub1k—~1.1kAutomated safety check: PassMIT
Responsive Unitsthedaviddias/Front-End-Checklist74k—~472Automated safety check: PassMIT
Configure Channelopenclaw/openclaw392k—~946Automated safety check: PassMIT
Responsive Designwshobson/agents40k2 repos~498Automated safety check: PassMIT
Responsive Imagesthedaviddias/Front-End-Checklist74k—~403Automated safety check: PassMIT
ConfigurationBuilderIO/agent-native7.1k—~2.1kAutomated safety check: PassNone

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Questions about Abaqus Optimization

What does Abaqus Optimization do?

Configure Tosca optimization. An agent skill from Cai-aa/CAE-Agent-Hub. Abaqus Optimization is an agent skill from Cai-aa/CAE-Agent-Hub. Configure Tosca optimization.

When should I use Abaqus Optimization?

Abaqus Optimization fits situations like: user mentions design response; objective function; optimization constraint.

How do I install Abaqus Optimization in Claude Code?

Run `npx skills add Cai-aa/CAE-Agent-Hub --skill abaqus-optimization -a claude-code`. Or copy the skill folder (Skill/abaqus/optimization/abaqus-optimization in Cai-aa/CAE-Agent-Hub) into .claude/skills/abaqus-optimization in your project. Claude Code loads it when a task matches its description.

How do I install Abaqus Optimization in Codex?

Run `npx skills add Cai-aa/CAE-Agent-Hub --skill abaqus-optimization -a codex`. Or copy the skill folder (Skill/abaqus/optimization/abaqus-optimization in Cai-aa/CAE-Agent-Hub) into .agents/skills/abaqus-optimization in your project. Codex loads it when a task matches its description.

Can I use Abaqus Optimization in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add Cai-aa/CAE-Agent-Hub --skill abaqus-optimization -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/abaqus-optimization, .gemini/skills/abaqus-optimization, .github/skills/abaqus-optimization and .opencode/skills/abaqus-optimization in your project.

What does Abaqus Optimization need to run?

SKILL.md names no scripts, command-line tools or credentials: Abaqus Optimization is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Write, Edit, Glob, Grep, Bash(abaqus:*).

Does Abaqus Optimization access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Abaqus Optimization safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Abaqus Optimization use?

Abaqus Optimization is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Abaqus Optimization use?

About 1.1k tokens (SKILL.md is roughly 4.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Abaqus Optimization?

Skills that share tags, products or a category with Abaqus Optimization: Responsive Units (thedaviddias/Front-End-Checklist, 74k stars), Configure Channel (openclaw/openclaw, 392k stars), Responsive Design (wshobson/agents, 40k stars) and Responsive Images (thedaviddias/Front-End-Checklist, 74k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Abaqus Optimization?

Cai-aa (a GitHub user) maintains it in Cai-aa/CAE-Agent-Hub, which has 1,003 GitHub stars. The repository holds 57 skills in this directory. The repository was last updated on September 30, 2026.

Source: Cai-aa/CAE-Agent-Hub on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.