Search found 5 matches

by Lubo
Mon Apr 26, 2021 7:24 pm
Forum: Ventity
Topic: Optimisation
Replies: 7
Views: 642

Re: Optimisation

Switching to Ventity files installed in "user" document folder allowed me to run the models. And fractional tolerance increased optimal result accuracy. Thank you for your answers, problems solved.
by Lubo
Mon Apr 26, 2021 2:47 pm
Forum: Ventity
Topic: Optimisation
Replies: 7
Views: 642

Re: Optimisation

Hi I have installed 4.5 and it appears the DelayInformation function is working fine now and optimisation definition screens work better. I am still not able to run GIS and Wilshire models since I am getting the same error. 1. Is there a place where one can define number of iterations in optimisatio...
by Lubo
Thu Apr 01, 2021 3:54 pm
Forum: Ventity
Topic: Optimisation
Replies: 7
Views: 642

Optimisation

Hi I have tried to test the optimisation function in a simple inventory management model. The model calculates a profit based on revenues and cost based on an item's purchase and storage cost. I want to identify the optimal “inventory coverage” while maximising the profit. Following is a list of pro...
by Lubo
Sun Feb 14, 2021 10:58 pm
Forum: Ventity
Topic: Multi-echelon structure
Replies: 7
Views: 947

Re: Multi-echelon structure

Thank you very much for your reply, the examples you have shared are perfect. So one can use initiation sheets to define different distribution networks for different products – is there a limit on a number of initiation sheets? Your model is much more elegant than what I have created but could you ...
by Lubo
Thu Feb 04, 2021 11:30 am
Forum: Ventity
Topic: Multi-echelon structure
Replies: 7
Views: 947

Multi-echelon structure

Hi I have been working as a management consultant, applying Systems Thinking and System Dynamics and developing management flights simulators in tools such as Powersim, Vensim or Ithink for some time. I am new to Ventity and like the direction its development is taking. As a learning experience to u...