WOLFRAM SYSTEM MODELER

Level1b

General System Dynamics level with no inflow

Diagram

Wolfram Language

In[1]:=
SystemModel["SystemDynamics.Levels.Level1b"]
Out[1]:=

Information

This is the general continuous Level model of the System Dynamics methodology with a single outflow and no inflow. It computes the level by integrating over the negative outflow rate.

Parameters (1)

x0

Value: 0

Type: Real

Description: Initial condition

Outputs (1)

level

Type: Real

Description: Continuous state variable

Connectors (6)

u1

Type: MassInPort

Description: Outflow variable
y

Type: MassOutPort

Description: State variable
y1

Type: MassOutPort

Description: State variable
y2

Type: MassOutPort

Description: State variable
y3

Type: MassOutPort

Description: State variable
y4

Type: MassOutPort

Description: State variable

Components (2)

Integrator1

Type: Integrator

Description: Output the integral of the input signal with optional reset
Gain1

Type: Gain

Description: Output the product of a gain value with the input signal

Used in Components (2)

Arable_Land_Dynamics

SystemDynamics.WorldDynamics.World3

Arable land dynamics

NR_Resource_Utilization

SystemDynamics.WorldDynamics.World3

Utilization of non-recoverable natural resources