327 – Modelica.Fluid.Examples.Explanatory.MomentumBalanceFittings

            Check of <a href="Modelica://Modelica.Fluid.Examples.Explanatory.MomentumBalanceFittings">Modelica.Fluid.Examples.Explanatory.MomentumBalanceFittings</a>
The model has the same number of unknowns and equations: 256
The model could not be deduced to be symbolically well-posed.
The model has
  256
scalar unknowns and
  236+2*leftBoundary1.nPorts+(if  not leftBoundary1.use_p_in then 1 else 0)+(if    not leftBoundary1.use_T_in then 1 else 0)+(if  not leftBoundary1.use_X_in   then 1 else 0)+2*rightBoundary1.nPorts+(if  not rightBoundary1.use_p_in then 1   else 0)+(if  not rightBoundary1.use_T_in then 1 else 0)+(if  not   rightBoundary1.use_X_in then 1 else 0)+2*leftBoundary2.nPorts+(if  not   leftBoundary2.use_p_in then 1 else 0)+(if  not leftBoundary2.use_T_in then 1   else 0)+(if  not leftBoundary2.use_X_in then 1 else 0)+2*rightBoundary2.nPorts  +(if  not rightBoundary2.use_p_in then 1 else 0)+(if  not rightBoundary2.use_T_in   then 1 else 0)+(if  not rightBoundary2.use_X_in then 1 else 0)
scalar equations.
However, exploiting the given numerical settings of parameters gives the same number of unknowns and equations:
  256
Check of <a href="Modelica://Modelica.Fluid.Examples.Explanatory.MomentumBalanceFittings">Modelica.Fluid.Examples.Explanatory.MomentumBalanceFittings</a> successful.

        

            Translation of <a href="Modelica://Modelica.Fluid.Examples.Explanatory.MomentumBalanceFittings">Modelica.Fluid.Examples.Explanatory.MomentumBalanceFittings</a>
The DAE has 256 scalar unknowns and 256 scalar equations.

Statistics

Original Model
  Number of components: 48
  Variables: 549
  Constants: 56 (56 scalars)
  Parameters: 205 (201 scalars)
  Unknowns: 288 (256 scalars)
  Equations: 226
  Nontrivial: 190
Translated Model
  Constants: 199 scalars
  Free parameters: 32 scalars
  Parameter depending: 174 scalars
  Alias variables: 108 scalars
  Number of mixed real/discrete systems of equations: 0
  Sizes of linear systems of equations: { }
  Sizes after manipulation of the linear systems: { }
  Sizes of nonlinear systems of equations: { }
  Sizes after manipulation of the nonlinear systems: { }
  Number of numerical Jacobians: 0
  Initialization problem
    Sizes of nonlinear systems of equations: {1, 17}
    Sizes after manipulation of the nonlinear systems: {1, 3}
    Number of numerical Jacobians: 0

Settings
Advanced.StoreProtectedVariables = true
Selected continuous time states
Finished

        

            Log-file of program ./dymosim
(generated: Fri Sep 27 08:41:23 2024)

dymosim started
... "Modelica.Fluid.Examples.Explanatory.MomentumBalanceFittings" simulating
... "dsin.txt" loading (dymosim input file)
... "result.mat" creating (simulation result file)

Integration started at T = 0 using integration method DASSL
(DAE multi-step solver (dassl/dasslrt of Petzold modified by Dassault Systemes))

Integration terminated successfully at T = 1.1
   CPU-time for integration                : 0.003 seconds
   CPU-time for one grid interval          : 0.0006 milliseconds
   CPU-time for initialization             : 0.001 seconds
   Number of result points                 : 5002
   Number of grid points                   : 5001
   Number of accepted steps                : 23
   Number of f-evaluations (dynamics)      : 23
   Number of Jacobian-evaluations          : 22
   Number of model time events             : 0
   Number of input time events             : 0
   Number of state events                  : 0
   Number of step events                   : 0
   Minimum integration stepsize            : 2.2e-07
   Maximum integration stepsize            : 0.461
   Maximum integration order               : 1
Calling terminal section
... "dsfinal.txt" creating (final states)

SUCCESSFUL simulation of Modelica.Fluid.Examples.Explanatory.MomentumBalanceFittings