Search found 4 matches

by neilfaraway
Tue Apr 16, 2013 1:53 am
Forum: Vensim
Topic: refining model of rainwater tank w overflow
Replies: 3
Views: 3586

Re: refining model of rainwater tank w overflow

Hi Tom, That's fantastic - thank you :) The time-step is certainly a better way to get the units working. But i do have a question about it: my data for rain is monthly. There can be significant changes in the value of rain month to month. The time step is currently set to 1 (month). After having a ...
by neilfaraway
Sun Apr 14, 2013 11:37 pm
Forum: Vensim
Topic: refining model of rainwater tank w overflow
Replies: 3
Views: 3586

refining model of rainwater tank w overflow

Hi All, As my first exercise using vensim I have modelled a rain water tank connected to a house with a given roof area. The model includes monthly average rainfall data, some constant use by people drawing water away from it, and an overflow if the level in the tank gets above 30m3. My question is:...
by neilfaraway
Sun Apr 14, 2013 8:49 am
Forum: Vensim
Topic: Using dataset in PLE
Replies: 3
Views: 4333

Re: Using dataset in PLE

Thanks both for you answers :)
by neilfaraway
Wed Apr 10, 2013 6:15 am
Forum: Vensim
Topic: Using dataset in PLE
Replies: 3
Views: 4333

Using dataset in PLE

Hi, I have just downloaded and started learning Vensim PLE. I am trying to model water flows through the urban environment. My first test has been to have a 'rain' flow enter a tank... but I am stumbling at this first hurdle. I have made a .dat file by saving a space delimited version of monthly rai...