system-dynamics

a language for building system dynamic models

Node and browser JavaScript library to run simulations. Supports System Dynamics modeling, Differential Equation mathematical modeling, and Agent Based Modeling.

Resources for text book "System Dynamics Modeling with R"

TerraME is a programming environment for spatial dynamical modelling

System Dynamics and Agent-based Modeling in Python

Dynamic modeling for business, economics, and ecology using the system dynamics approach

The IDE and Discrete-Event Simulation (DES) framework for visual simulation modelling.

Interactive courseware module that introduces transfer function analysis taught in system dynamics and controls courses.

PySyDy: lightweight Python library for system dynamics — now evolved into OpenCLD (pip install opencld)

Translate System Dynamics models (Stella, Vensim) into R

Supporting Repository for text book Exploring Operations Research with R

Code behind the Sustainable Energy Transitions (SET) model + Project Website

🐢 Interface for Running NetLogo Simulations from R

A timed, stochastic, resource-constrained Petri net / discrete-event engine for modeling business & R&D processes as living systems — budgets, portfolios, what-ifs, rNPV.

Team PSD is using GitHub, R and RMarkdown as part of our free and open science workflow.

A deep exploration of the economic physics governing DeFi crashes, AMM decay, liquidity spirals, and liquidation cascades. This article models decentralized finance as a nonlinear system driven by invariants, thresholds, and feedback loops, revealing why crashes follow predictable laws of motion.

Small pieces of code for use in CRAWLAB research

cadCAD simulation designed to assess automated credit management algorithms for mutual credit systems.

A Latex package for drawing SD diagrams using tikz

Supporting resources for System Dynamics Society Workshop