Inventory Delay Manufacturing

It is a simple model to show how different parameters like inventory adjustment time and delay in ordering affect the inventory replenishment system. User can change values of all the parameters.

Inventory Delay Manufacturing ERP

Workforce, Inventory and Oscillation model from Vensim user guide.

Inventory

This is a first go at a simple inventory system. No delays between Orders and Deliveries. Inventory fails to attain the level of Desired Inventory.

Inventory

Workforce and Inventory model

Inventory

This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.

Inventory

From Jay Forrester' Principles of Systems

Inventory

A demonstration of a simple min/max inventory system

Inventory

This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.It also takes into account items On Order.

Inventory

This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.

Inventory

Free to air TV channels mostly receive income from sales of advertising. Advertising inventory gains value from TV channel ratings, that are created by high quality content. High quality content is created with investments and content promotion increases content awareness, thus increases TV channel appeal.
Advertising and promotion inventories share same space that is left after program is set up.
More over marketing has targets to increase TV channel appeal.Sales department has targets to increase sales.To make things more complicated program promos can be sold to have promotions.
What interactions arise in this situation?What effects what?Where do we have management point?
Situation and questions gave impulse for following CLD.

TV Marketing Sales Content Inventory

This model assume Sales increase 10% and used to test to response of the number of items on orders

Inventory

This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.

Inventory

This model assumes Sales are constant and used to calculate the number of items on orders

Inventory

This model using Random function

Inventory

This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.

Inventory

Models the behaviour of ​Blood Bank and Hospital blood inventories in response to a step change in the demand for transfusions.  Delays can be set for the delivery of blood to the hospitals and for the response of donors to a request for more blood.

Blood Inventory Donation

My first attempt at a "rich pic" to describe an inventory process.

Inventory

Models the behaviour of ​Blood Bank and Hospital blood inventories in response to a step change in the demand for transfusions.  Delays can be set for the delivery of blood to the hospitals and for the response of donors to a request for more blood.

Blood Inventory Donation

Inventory

Inventory

This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.

Inventory

Inventory Delay Manufacturing

This model using Ramp function

Inventory