These free calling cards are really amazing.I like Travelling all over the world and Chatting.For these I used to spend lot of money on phone calls.But these...
Hello, I am a spanish univesity student who has some problems with comis- 1.) I have designed a building with comis 3.0 and now my university department have...
... Are you using IISiBat or Excel as a front end ? What is the error message ? To get the project from one computer to another, IISiBat has an archive ...
... You might check the &-CP-VALUes section of your input file. You need to have non-zero cp-values entered there. A zero value of C_p converts every wind...
David M. Lorenzetti
DMLorenzetti@...
Jun 21, 2004 4:30 pm
317
Hello again, I want to send a copy of my project and I have tried to use the export and import library tool ut I have some problems. I Make all the steps...
Hello, You should make sure that the library (its root) is well selected when you apply the export tool to create the .IA file. However, to discuss your...
When I run my s¡imulation all goes prperly escept a message that says: ***CER*** SEVERE *** Flow matrix is singular ! This might be caused by a zone that has...
Hello This message tells you that the flow matrix, which contains all the calculated flows between the zones and outside and between the individual zones,...
Hello and thanks for your answer. I have understand whay you say me but how can I change this flow matrix? because you are right: four of my zones have total...
To get a flow through a zone it is necessary to connect it at least with two "one way links" such as cracks, ducts, fans etc. or with one window which allows...
Hello, When we installed comis 3.1 we had libraries with our designed projects in comis 3.0. The problem is that when we open comis 3.1 and the library manager...
Hi, You can transfer projects from 3.0 to 3.1 using the archive function : create .IA files using 3.0, quit it, start 3.1 and import them. See also */ Export...
Hello. My name is Marina and I'm a meteorologist. I'm using COMIS in my MSc work. My project is quite simple: a room with natural single-sided ventilation. I...
Dear Marina I strongly recommend that your workplace purchases COMIS 3.1, as COMIS 3.0 had many bugs that have been solved in version 3.1. Moreover, the COMIS...
Dear COMIS users I am studying about building ventilation by using COMIS and TRNSYS. I have two questions about the value of zone pressure. In COMIS stand...
Dear YUN Zone pressures are referred to the reference height of the zone. The height of the zone reference plane above the building reference plane is defined...
Hello again, I have designed a building with comis 3.0 and I have tried to move my project fron my computer to another computer that has installed comis 3.1....
Dear all The following message was shown for any timesteps. "Air" is only defined as the pollutant for the simulation and I don`t want to get the results...
Dear Soughun, If you are not interested in pollutant transport, I think you can safely ignore this message. If you are editing the COMIS Input File by hand,...
Hello, I've recently started learning how to use COMIS. I have a test case involving a room with a stove inside that produces 50W. How can this be incorporated...
Mike.Deevy@...
Oct 28, 2004 1:32 pm
350
Mike, source schedules are for pollutant source strengths (not energy or temperature), so I don't think they apply here (except if you have a real bad quality ...
Thanks for your help Werner. Could someone tell me why if I use the layer option as an attachment to a zone I get the following error message. ... The H/D/W...
Mike.Deevy@...
Nov 1, 2004 1:22 pm
356
Dear Mike, All "sources" in COMIS refer to sources of indoor air contaminants and gases, e.g. CO2, water vapour. Not sources of heat. COMIS generally can not...
Hello again, in the COMIS 3.0 users guide in the site about windows and doors is it written the next paragraph: "At least one line with opening factor 0.0 and...
... When you specify the window, you can give two or more opening factors, height factors, width factors, etc. for a window. These factors define the behaviour...
Hellow, COMIS users I am working with COMIS-IISiBat version for TRNSYS coupling. I want to ask two questions; 1) When I use only type 157(calling COMIS...
Der YUN 1) In fact, if you really have the same values for all the input parameters, you should get the same results for both, COMIS stand alone and for...
I've a problem with the output-timesteps in comis 3.1. In my model I've put an occupant schedule. In this schedule there are sometimes changes each half hour. ...
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