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Agent skill

Abaqus Material

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

Define material properties for FEA models. An agent skill from Cai-aa/CAE-Agent-Hub.

MITAuto-check passed

Install Abaqus Material

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

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

GitHub CLI
$ gh skill install Cai-aa/CAE-Agent-Hub abaqus-material --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/modeling/abaqus-material .claude/skills/abaqus-material && 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-material
GitHub stars
1k
Token cost
~1k tokens
SKILL.md length
448 words
Files
4
Skills in repo
57
Repo updated
First seen
Licence
MIT

At a glance

Define material properties for FEA models. An agent skill from Cai-aa/CAE-Agent-Hub.

  • Works in 8 steps: What Properties Are Needed? → Common Material Values → Section Type Selection → …
  • User mentions steel
  • SKILL.md covers When to Use This Skill, Key Decisions, What to Ask User and Workflow, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Abaqus Material is an agent skill from Cai-aa/CAE-Agent-Hub. Define material properties for FEA models. Use when user mentions steel, aluminum, Young's modulus, elastic, plastic, density, or asks about material properties.

Its SKILL.md is about 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 steel
  • Asks about material properties

Example prompts

  • “/abaqus-material”

Requirements

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

Workflow steps

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

  1. What Properties Are Needed?
  2. Common Material Values
  3. Section Type Selection
  4. Create Material
  5. Add Required Properties
  6. Add Optional Properties
  7. Create Section
  8. Assign Section to Part

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 Material loads about 1k tokens when it runs. Until then it costs about 44 tokens; SKILL.md has 448 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~44
When it runs · the whole SKILL.md, loaded when a task matches
~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). 448 words, ~1,041 tokens.

Download SKILL.mdSave it as .claude/skills/abaqus-material/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.
name
abaqus-material
description
Define material properties for FEA models. Use when user mentions steel, aluminum, Young's modulus, elastic, plastic, density, or asks about material properties.
allowed-tools
Read, Write, Edit, Glob, Grep, Bash(abaqus:*)

Abaqus Material Skill

Define material properties and assign sections to parts. This skill handles elastic, plastic, thermal, and composite material definitions.

When to Use This Skill

Route here when user mentions:

  • "steel", "aluminum", "titanium", or other material names
  • "Young's modulus", "elastic", "Poisson's ratio"
  • "plastic", "yielding", "hardening"
  • "density" for gravity/dynamics
  • "thermal conductivity", "expansion"
  • "assign material to part"

Route elsewhere:

  • Contact properties (friction, damping) → /abaqus-interaction
  • Optimization material interpolation → /abaqus-optimization
  • Temperature boundary conditions → /abaqus-field

Key Decisions

1. What Properties Are Needed?
Analysis TypeRequiredOptional
Static stressE, ν-
Static with gravityE, ν, ρ-
Yielding/plasticE, ν, σyρ
Modal/frequencyE, ν, ρ-
Dynamic explicitE, ν, ρPlasticity
Thermal stressE, ν, αk, cp
Heat transfer onlykcp, ρ

Key insight: Density (ρ) is required whenever inertia matters - modal analysis, dynamics, gravity loads.

2. Common Material Values
MaterialE (MPa)νρ (t/mm³)σy (MPa)
Steel (mild)2100000.307.85e-9250
Steel (high-strength)2100000.307.85e-9550
Stainless 3041930000.298.00e-9215
Aluminum 6061-T6689000.332.70e-9276
Aluminum 7075-T6717000.332.81e-9503
Titanium Ti-6Al-4V1138000.344.43e-9880

Unit system: mm-tonne-s-N-MPa (consistent SI)

3. Section Type Selection
Geometry TypeSection TypeWhen to Use
3D solid (hex/tet)HomogeneousSolidSectionMost FEA models
Thin walls (t/L < 0.1)HomogeneousShellSectionPlates, sheet metal
Slender members (L/d > 10)BeamSectionFrames, trusses
Layered compositesCompositeShellSectionCarbon fiber, laminates

What to Ask User

If unclear, ask:

  • What material? Steel, aluminum, custom values?
  • Need plasticity? Will stresses exceed yield?
  • Need density? Is this for dynamics, modal, or gravity?
  • Temperature effects? Thermal expansion, temperature-dependent properties?

Workflow

Step 1: Create Material

Create a material object with a descriptive name.

Show full SKILL.md (175 more words)Show less
Step 2: Add Required Properties

At minimum, add elastic properties (E, ν). Add density if analysis requires it.

Step 3: Add Optional Properties

Add plasticity, thermal, or other properties as needed.

Step 4: Create Section

Create appropriate section type (solid, shell, beam) referencing the material.

Step 5: Assign Section to Part

Assign section to all cells/faces that need this material.

Validation Checklist

Before running analysis, verify:

  • E > 0 (positive stiffness)
  • -1 < ν < 0.5 (ν = 0.5 causes numerical issues)
  • ρ > 0 if required for analysis type
  • Plastic table starts at zero plastic strain
  • Section assigned to ALL cells that need it

Troubleshooting

ProblemLikely CauseSolution
"Material has no density"Analysis requires densityAdd density property
"Negative eigenvalue in stiffness"Invalid Poisson's ratioEnsure -1 < ν < 0.5
"Section not assigned"Missing assignment callAssign section to region
"Material X not found"Typo in material nameCheck spelling matches
"Region has no mesh"Mesh order issueMesh after section assignment

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/modeling/abaqus-material 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 Material 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 Material compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Abaqus Material this skillCai-aa/CAE-Agent-Hub1k—~1kAutomated safety check: PassMIT
CSS At Propertythedaviddias/Front-End-Checklist74k—~602Automated safety check: PassMIT
Setting Up Warehouse PropertiesPostHog/posthog40k—~2.3kAutomated safety check: PassCustom licence
Logical Propertiesthedaviddias/Front-End-Checklist74k—~526Automated safety check: PassMIT
Investor Materialsaffaan-m/ECC276k3 repos~268Automated safety check: PassMIT
Material Designsickn33/agentic-awesome-skills47k1 repos~2.6kAutomated safety check: PassMIT

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Questions about Abaqus Material

What does Abaqus Material do?

Define material properties for FEA models. An agent skill from Cai-aa/CAE-Agent-Hub. Abaqus Material is an agent skill from Cai-aa/CAE-Agent-Hub. Define material properties for FEA models.

When should I use Abaqus Material?

Abaqus Material fits situations like: user mentions steel; asks about material properties.

How do I install Abaqus Material in Claude Code?

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

How do I install Abaqus Material in Codex?

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

Can I use Abaqus Material 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-material -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-material, .gemini/skills/abaqus-material, .github/skills/abaqus-material and .opencode/skills/abaqus-material in your project.

What does Abaqus Material need to run?

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

Does Abaqus Material 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 Material 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 Material use?

Abaqus Material 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 Material use?

About 1k tokens (SKILL.md is roughly 4.2k 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 Material?

Skills that share tags, products or a category with Abaqus Material: CSS At Property (thedaviddias/Front-End-Checklist, 74k stars), Setting Up Warehouse Properties (PostHog/posthog, 40k stars), Logical Properties (thedaviddias/Front-End-Checklist, 74k stars) and Investor Materials (affaan-m/ECC, 276k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Abaqus Material?

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.