What does your Matlab model look like?
my Matlab model is csthl20_trim，you can type "open_system('csthl20_trim')" in matlab to open the model

How did you export the FMU (which settings, which target, what FMI version, ME or CS, ....)?
I try another way to export FMU，but it not works.
the new way to export the FMU by FMIKit-simulink-3.0-alpha.2，ME，CMake generator: Visual Studio 14 2015 Win64

How did you import the FMU in OpenModelica?
I import the FMU in OpenModelica, Tools->Options->Simulation, Target Build: Visual Stuidio 2015(msvc15), then simulate

error in compilation:
LINK: fatal error LNK1181: cannot open input file 'omcgc.lib'
NMAKE: fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\BIN\cl.EXE"' : return code '0x2' Stop.
Compilation process failed. Exited with code 0x00000002.


What version of OpenModelica are you using?
V1.19

Did you try to import the FMU in other tools?
no

I get a Matlab mingw fmu，and import to OpenModelica，but it's wrong in output:
error :
Process crashed Simulation process failed. Exited with code 0xffffffffc0000005.