HEAS is a framework for building hierarchical agent simulations, running evolutionary search, comparing strategies via
scenarios × participants (arena & tournament), and generating clean visualizations.
If you use HEAS in your research, please cite the arXiv paper: Zhang, Ruiyu, Nie, Lin, Zhao, Xin. (2025). HEAS: Hierarchical Evolutionary Agent Simulation Framework for Cross-Scale Modeling and Multi-Objective Search. arXiv preprint arXiv:2508.15555
1. Model2. Scenarios3. Run4. Results5. Export
Quick Start Presets
Predator-Prey Preset
Use Sample Usage 1. Suggested: 20 steps, 3 episodes. Expected outputs: prey/predator trends and extinction signal.
Policy-Firm Preset
Use Sample Usage 2. Suggested: 24 steps, 4 episodes. Expected outputs: welfare/compliance variation and inequality profile.
Sample Usage 1 (3 Layers)
Component Roles → Key Parameters
L1 Climate seasonal driver + shocks: seasonal amplitude = 0.4 (condition: 0.4 or 0.8), period = 12, shock probability = 0.1
L1 Landscape patch quality + graph: number of patches = 12, habitat fragmentation = 0.2, movement cost = 0.2 (condition: 0.2 or 0.5)