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OpenTerrace

On the record

Audience
The project aims to give researchers and industry decision makers a shared, transparent, open-source simulation framework.openterrace.github.io · read 12 Oct 2026
Authoring tools
Yesopenterrace.github.io · read 23 Sep 2026
Configurable models
Users can configure tank and bed shape, substance type, boundary conditions, and source terms.openterrace.github.io · read 12 Oct 2026
Contact
The contact page names Jakob Hærvig, Associate Professor at Aalborg University's Department of Energy, and gives an Aalborg East address in Denmark.openterrace.github.io · read 12 Oct 2026
Contributions
OpenTerrace is open source and welcomes contributions, with larger changes to core functionality requested to be discussed in advance.openterrace.github.io · read 12 Oct 2026
Delivery mode
desktopopenterrace.github.io · read 23 Sep 2026
Dependencies
The project says it uses Numba, NumPy, and SciPy.github.com · read 11 Oct 2026
Developer use
The installation guide recommends editable installation for people who plan to extend or modify OpenTerrace.openterrace.github.io · read 12 Oct 2026
Extensibility
The framework supports adding modules for materials such as non-spherical rocks and phase change materials.github.com · read 11 Oct 2026
Installation
Regular users can install OpenTerrace with pip, which the guide says resolves dependencies automatically.openterrace.github.io · read 12 Oct 2026
Intended users
The project describes its intended audience as researchers and industry decision makers working with thermal energy storage packed bed simulations.openterrace.github.io · read 11 Oct 2026
Maintainer
The contact page names Jakob Hærvig, Associate Professor at Aalborg University’s Department of Energy.openterrace.github.io · read 11 Oct 2026
Materials
Documented fluid substances include air, water, and Nak2278, while bed materials include Swedish diabase, magnetite, ATS50, and ATS58.openterrace.github.io · read 12 Oct 2026
Materials and geometries
The user guide lists fluid and bed substances and domain types including cylinders, blocks, spheres, and hollow spheres.openterrace.github.io · read 11 Oct 2026
Model options
The documentation lists cylinder, block, sphere, hollow sphere, and lumped domain types.openterrace.github.io · read 12 Oct 2026
Numerical method
It uses the finite volume method to calculate transient temperature response in packed bed systems.openterrace.github.io · read 12 Oct 2026
Numerical schemes
The documentation includes a central difference scheme for diffusion and an upwind scheme for convection.openterrace.github.io · read 11 Oct 2026
Purpose
OpenTerrace is a pure Python framework for simulating thermal energy storage packed bed systems.openterrace.github.io · read 12 Oct 2026

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