Modelica good first issues

8 open Modelica issues currently match the default 10+ star filter. Scored difficulty: 5,943 at 1/5, 8,722 at 2/5, 12,675 at 3/5, 12,094 at 4/5, 856 at 5/5. This hub uses the same feed as the homepage, limited to repositories whose GitHub language is Modelica.

All languages · Browse projects · How to find good first issues · Hacktoberfest 2026

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Unique repos with open help-wanted issues updated in the last 30 days

Showing 8 of ~8 matching filters (Modelica · 10+ stars)

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Change backlash "\" to forward "/" for FMI compliance possible?

AI summary

The user has identified a potential FMI compliance issue with JModelica's Windows FMUs, where backslashes ('\') are used instead of forward slashes ('/') in file paths. This prevents the FMUs from passing FMI standard tests, although they function correctly in Python environments. The user is inquiring if this is an easy fix.

bughelp wantedcompatibilityFMIFMUWindows
79
Difficulty
2/5

Numerical Efficiency

AI summary

This issue discusses the trade-off between manually optimizing algorithms for numerical efficiency in Modelica.Math versus relying on AI. The author provides an example of a Newton-Cotes quadrature function and an alternative implementation, claiming the alternative is more efficient. They are seeking input from tool vendors and experts on this optimization strategy.

L: Mathdiscussionhelp wanted
601
Difficulty
3/5

Math.Nonlinear.quadratureLobatto

AI summary

The user is requesting an enhancement to the `quadratureLobatto` function in the Math library. They need to pass additional parameters to the partial scalar function being integrated, as the current implementation only supports functions with a single input and output.

enhancementL: Mathhelp wanted
601
Difficulty
3/5

Modelica resources in Modelica package

AI summary

This issue proposes organizing external resources for test cases within their respective Modelica packages. The goal is to move resources like weather and occupancy data from a general 'Resources' folder to a dedicated 'Resources' subfolder within each test case package, and then remove them from the original location.

enhancementgood first issuetest case
130
Difficulty
2/5

Infeasible scenario initialization - Twozone Apartment Hydronic testcase

AI summary

Investigate why the 'peak_heating_day' scenario for the twozone apartment hydronic testcase in the BOPTEST framework initializes with an infeasible temperature, causing initial thermal discomfort. Determine if this is intentional or a bug in the baseline control, and suggest a fix to ensure fair comparison between different controllers.

good first issueKnowledge Base
130
Difficulty
4/5

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