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OpenModelica is an open-source Modelica-based modeling and simulation environment intended for industrial and academic usage.

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### Description When simulating `Buildings.Controls.Continuous.Validation.OffTimerNonZeroStart` with the default settings, the last result point is at t=0.002 rather than t=0, i.e., it is at `t=stopTime + stepSize`. The simulation command is...

In many usage contexts, installing OpenModelica on PCs in order to use OMEdit is simply too much overhead. OpenModelica should provide solutions that allow to edit and run Modelica models...

enhancement

### Description When using the [solver clock](https://specification.modelica.org/master/synchronous-language-elements.html#modelica:clock-solver) with an explicit Euler method in combination with a subSample, omc will fail to compile the model. ### Steps to Reproduce Simulate the...

COMP/OMC/Backend

### Description When I export a varible to CSV file, If the model has a "Modelica.Blocks.Sources" the varible value is repeated 3 time in 3 rows at the specified "starttime"...

COMP/GUI/OMEdit

Suppose we have future versions of ModelicaServices/etc that require newer language features / newer OpenModelica versions... We need a way for the package manager to handle this so we can...

### Description when exporting a model, that is using global seed and unifom noise ,as fmu with out creating dll(no platform), some c-files are missing inside ./source directory as well...

COMP/FMI

This ticket focuses on the remaining issue of #7824. If `PowerSystems.Examples.AC3ph.Elementary.Line` is ran with `--tearingMethod=minimalTearing`, it produces the expected results: ![immagine](https://user-images.githubusercontent.com/4233148/144941680-64c8d443-4e8e-4100-ad6b-cc307ece94a9.png) However, if it is ran with the default tearing...

COMP/OMC/Backend

Consider the following test models ```modelica package TestSmoothOrder model M1 function f input Real x; output Real y; algorithm if x > 0 then y := x^2 +1; else y...

top priority

when using nested expandable connectors with 2 levels only, and the nested one is a vector of expandable connectors, I get an internal error. I provide a case which highlight...

COMP/OMC/Frontend

### Description A lot of times you get a model path from a library to test something. Would be good to be able to open a model via paste of...

enhancement
COMP/GUI/OMEdit