Trac2GitHub Transition of Modelica Assocication Projects

Handling Constraints in ModelExchange

7

**Reported by akorobkine on 11 Jul 2013 19:59 UTC** After investigating FMUChecker-2.0a1/FMUChecker-2.0a2 (ModelExchange branch) we have found that fmiGetContinuousStates is not called after the call to fmiCompletedIntegratorStep, unless there are...

Allowing updating state variables after initialization, for Hybrid Co-Simulation

28

**Reported by peter.nilsson on 24 Sep 2012 13:07 UTC** For FMI 2.0 Beta-4, after initialization only inputs and tunable parameters may be set via fmiSetXXX. For co-simulation there are reasons...

Change of fmiGetDerivatives/fmiSetContinuousStates/fmiGetContinuousStates for QSS

14

**Reported by tsnouidui on 30 Apr 2014 18:21 UTC** Hi all, I am developping a master algorithm for FMUs for model-exchange which use the Quantized State Systems (QSS) integration methods...

Feature request: Second order derivatives

5

**Reported by jorn.baayen on 9 Mar 2016 15:57 UTC** Currently, FMI 2.0 ME supports first order directional derivatives. This is useful for gradient-based optimization and parameter estimation. Yet a typical...

Missing fluid interface

9

**Reported by anonymous on 18 Dec 2015 15:04 UTC** Dear Sir or Madam, using FMI for co-simulation of fluid systems requires both a fluid library within the master software and...

Missing dependencies on tunable parameters

5

**Reported by manuel.graeber on 10 Oct 2017 15:00 UTC** For optimization applications I need the structural information, if outputs of a model exchange FMU directly depend on tunable parameters. Use...

Desired mechanical components

4

**Reported by ahaumer on 26 Dec 2015 10:02 UTC** Two mechanical components are missing: * [x] a model of drive pulley * [x] a simpler model of a gearbox with...

Re-design and simplification of Modelica.Media

11

**Reported by hubertus on 30 May 2008 07:44 UTC** The discussion in the Fluid group and experiences at Modelon have shown a few shortcomings in the Media library. Discussions in...

MCP-0027 Units of Literal Constants

91

**Reported by fcasella on 11 Dec 2016 19:03 UTC** I have added a proposal for the clarification of the units of literal constants, which is currently unspecified in Modelica 3.3r1....

MCP-0016: Semantic Versions for Libraries

49

**Modified by dietmarw on 2 Dec 2015 10:08 UTC** We identified several potential “levels” of semantics. The first level was the idea that all libraries must use semantic versions syntax....