Plan and control time-step policies for transient simulations — couple CFL and physics-based stability limits with adaptive stepping, ramp initial transients through sharp gradients or phase changes, schedule output intervals and checkpoint cadence, and plan restart strategies for long-running jobs.
Install
npx skills add HeshamFS/materials-simulation-skills --skill time-steppingnpx skills add HeshamFS/materials-simulation-skills --skill time-stepping -a claude-code -gnpx skills add HeshamFS/materials-simulation-skills --skill time-stepping -a codex -ggemini skills install https://github.com/HeshamFS/materials-simulation-skills.git --path skills/core-numerical/time-steppinggh skill install HeshamFS/materials-simulation-skills time-steppinggit clone --depth 1 https://github.com/HeshamFS/materials-simulation-skills /tmp/HeshamFS__materials-simulation-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/HeshamFS__materials-simulation-skills/skills/core-numerical/time-stepping ~/.claude/skills/time-stepping # Claude Code
cp -R /tmp/HeshamFS__materials-simulation-skills/skills/core-numerical/time-stepping ~/.agents/skills/time-stepping # Codex, Cursor, Gemini CLI, Copilot, OpenCode