WOLFRAM

New in System Modeling

System Modeler 14.3

Discover What’s New

Get more out of System Modeler by downloading the latest release.

Resources

Thinking in Systems, Not Code

Start your system modeling journey with this book, exploring examples across multiple domains. Learn how thinking in systems helps you scale designs, capture feedback effects and reuse models across projects.

Resources

Getting Started with Modelica

A hands-on beginner’s book for understanding systems by building your own models. Step through guided examples and bring the power of Modelica into your own work.

Events

System Modeler User Conference

Watch industry leaders, researchers and engineers share how they use Wolfram System Modeler to accelerate design, simulation and digital-twin development across engineering domains.

Wolfram Language

Verified Insights with Wolfram MCP

Ask Claude or any MCP-compatible AI client to simulate, plot and analyze your System Modeler models. Answers come from real Wolfram Language computations through the Wolfram MCP Service—verified results from your models.


Articles

Analysis of Heat Loss in Buildings and Thermal Performance of Geothermal Borefields

Residential heating systems sit at the intersection of physics, engineering and environmental constraints. While it is easy to say that "better insulation reduces heat loss" or that "geothermal systems are more efficient...

Wolfram Language

Validate Design Specifications

Automatically validate your design against performance and safety requirements. Using the power of a complete specification language and a suite of fully automated Wolfram Language functions, you can check behaviors over time, manage uncertainty and catch edge-case failures—early in the design process.


System Modeler

Model, Simulate, Plot & Analyze Using Calendar Time

Use a date picker to set simulation periods and plot results on real-world date-time axes, delivering clearer, context-rich insights.

System Modeler

Visualize Model Configurations in Diagrams

Create icons that automatically update based on configurations—making setup of complex systems easier to understand, explore and validate at a glance.

System Modeler

Model Heating and Cooling Systems in Buildings

Design energy-smart buildings with the open-source IBPSA library. Simulate building HVAC and district heating or cooling networks using 100+ validated components—ideal for energy analysis, control design and research.

System Modeler

Model Residential & Utility-Scale PV Generation

Analyze integration of PV systems in buildings, microgrids and hybrid energy systems using the open-source PhotoVoltaics library. Use detailed simulation of cells, modules and full-scale plants with realistic temperature and irradiance effects.


System Modeler

Model the Resilience of Power Infrastructure

Plan and analyze AC, HVDC and variable-frequency grids with adaptable components and replaceable phase systems using the open-source Power Grids and Power Systems libraries. Ideal for grid planning, reliability assessments and renewable energy integration.


System Modeler

Modelica Standard Library 4.1

Access new components for tasks like signal tracking and benefit from improved features such as CSV table input—expanding your modeling capabilities.

System Modeler

Live Tuning and Calibration

Adjust gains, time constants or physical parameters on the fly—without restarting the simulation. Quickly explore design variations, run what-if tests and see system responses instantly, saving time and boosting insight, even in large or long-running models.

System Modeler

Git-Friendly Formatting

Format your models your way—preserving custom layout, comments and whitespace. Enjoy cleaner diffs and effortless collaboration through GitHub and other version control platforms.