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New in System Modeler

System Modeler 14.3

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 14.3

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 14.3

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 14.3

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 14.3

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 14.3

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 14.3

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 14.3

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 14.3

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.

System Modeler 14.2

Support for Digital Twins

The latest version of the OPC UA library enables the creation of scalable and secure industrial applications, including hardware-in-the-loop simulations, digital twin integration and advanced control system development. It incorporates robust authentication, encryption and performance enhancements to support industrial automation needs.


System Modeler 14.2

Enhanced Support for Energy System Modeling

Enhanced GUI support for modeling energy systems such as thermal management of batteries, power profiling of photovoltaic (PV) plants and thermo-fluid performance monitoring of piping networks.

System Modeler 14.1

GUI Support for Editing Nested Models

New interfaces to quickly switch and parametrize things like different thermodynamic processes (isobaric, isochoric, adiabatic and isothermal), flow characteristics (laminar, turbulent and transitional) and more.

System Modeler 14.1

Clear & Concise Error Messages

Understand and troubleshoot errors using easy-to-read formatted code in messages.

System Modeler 14.1

Configure Error Handling

Configure whether errors should be silenced, treated as warnings or treated as actual errors for Modelica compliance, unit checking and symbolic processing.

System Modeler 14.1

Save Animations with Your Model

Utilize the new Animation Properties window to configure time scales, default views, visualizer scaling and additional settings. Save these configurations within your model for future use.

System Modeler 14.1

Publish Models & Simulations to the Cloud

Automatically publish models and simulations to the Wolfram Cloud, enabling anyone to configure and run their own simulations, as well as gain insights from the simulation data.

System Modeler 14

Rotating Machinery Library

Test novel designs or identify faults in rotating machineries such as turbines, motors and drivelines. Use premade components of gears, bearings, shafts and many more that contain flexibility, contacts and bearing dynamics.


System Modeler 14

Analyze Model Uncertainties

Understand the consequences of uncertainties in model inputs and parameters, such as component variability in engineering systems and varying assumptions in social systems.

System Modeler 14

Model Battery-Powered Systems

Model battery packs using the new built-in Battery library. Include battery packs in cars, drones and grids to analyze and optimize performance.

System Modeler 14

Model Multi-clocked Systems

The Clocked library offers higher-level abstractions for dealing with clocking mechanisms, allowing you to model multi-rate systems.

System Modeler 14

Unit Handling

Switch among SI, English (imperial and US) and your own custom unit systems. Add units to your library and detect errors.

System Modeler 14

Collaborative System Modeler Packages

Configure your System Modeler packages to install as read only or allow users to access, modify and update local copies of the library.

System Modeler 14

Improved Plotting

Snap to intersections between plot curves when adding measurements. Choose a default plot theme for all plots. Use and save log scales on axes.