WOLFRAM SYSTEMMODELER

DiscreteLevel

Discrete level of the System Dynamics methodology

Wolfram Language

In[1]:=
Click for copyable input
SystemModel["SystemDynamics.Levels.DiscreteLevel"]
Out[1]:=

Information

This is the general discrete Level model of the System Dynamics methodology. It computes the level by a Forward Euler algorithm, i.e., by solving a difference equation with a fixed step size of 1 time unit. The classical System Dynamics methodology operates on discrete levels only.

Public Parameters (2)

x0

Value: 0

Type: Real

Description: Initial condition

h

Value: 1.0

Type: Real

Description: Sampling rate

Outputs (3)

level

Type: Real

Description: Discrete state variable

rate_in

Type: Real

Description: Inflow

rate_out

Type: Real

Description: Outflow

Connectors (7)

u1

Type: MassInPort

Description: Inflow variable

u2

Type: MassInPort

Description: Outflow variable

y1

Type: MassOutPort

Description: Discrete state variable

y2

Type: MassOutPort

Description: Discrete state variable

y3

Type: MassOutPort

Description: Discrete state variable

y4

Type: MassOutPort

Description: Discrete state variable

y5

Type: MassOutPort

Description: Discrete state variable

Used in Examples (1)

LBM

SystemDynamics.PopulationDynamics.LarchBudMoth

Larch bud moth population dynamics model