Grasshopper

algorithmic modeling for Rhino

Hi everyone,

My apologies for the multiple posts recently.I am newbie...This problem might be very simple but I cant find any way to figure it out.

I can not run a simulation with the runEnergysimulation component it gives me an error saying "At least one of the mandatory inputs is missing".I click true and nothing happens, the terminal doesn't show.

I think I connected everything since it is a very simple one zone apartment.I build it by following almost all Chris Mackey youtube tutorials (https://www.youtube.com/user/chrismackey88/videos).

What could the problem be?

Many thanks in advance.

-N

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The problem was related to ground temperatures in the EPW file. They were missing. The issue was solved and you should not get errors on this respect.

Glad you are moving forward.

-A.

- How to weight all objectives properly? So I could get a .csv and present the results will pollination or in other graphs.

If you are using Octopus and setting up a multi-objective analysis, you don't need to weight the parameters. That's the benefit of using multi-objective optimization algorithms vs single objective. Google Pareto front to read more.

- How to do that in GH and Octopus?

This is a question for Octopus group. I shared with you a video that shows how you can set it up but generally speaking you can set it up for any objectives, environmental performance included. All the algorithm does is to receive a list of numbers and try to minimize them.

- How would the iteration process go?Would there be a feedback process, where I have to go back and re run energy simulations ?(see image)Because of many objective I find it hard to design this workflow chart, and the definition.

Once you set up the model and let the optimization run it will generate the next generation based on evaluating the last/current generation so you don't need to get involved unless you want to.

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