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Building Modeling Libraries with Dyad by Venkatesh Prasad

PreTalx: https://pretalx.com/juliacon-2025/tal...

Using Dyad, declarative descriptions of the guiding mathematical behavior and graphical appearance can be specified for models. Using Dyad Studio (a VSCode extension) or CLI tooling, this description is compiled to ModelingToolkit models to leverage the rich SciML ecosystem for building, solving, and analyzing the ODESystem.

With this acausal framework, we have built standard libraries in Electrical, Translational, Rotational, Hydraulic, and Thermal domains. And we expect to include even more domains. We follow industry standards to remain consistent with other modeling applications. These libraries come with a suite of unit tests, examples and documentation (which is partly auto-generated).

To keep it lightweight, these libraries are packaged as separate Julia packages; using the package manager and some of its latest features, we maintain compatibility with these libraries.

Custom libraries can be created with Dyad Studio's streamlined process. One can import the appropriate domains and build composite models with standard components as building blocks.