Search found 23 matches

by xyliu925
Wed Dec 01, 2010 11:16 pm
Forum: CFD
Topic: external CFD on multi buildings
Replies: 3
Views: 24016

Outline blocks do not show in the model - you should use component blocks for modelling adjacent buildings. If they touch the building then use adiabatic component blocks, otherwise use standard ones for shading only. Andy Thanks Does using component block will reduce the file size? I am using tria...
by xyliu925
Wed Nov 24, 2010 5:12 am
Forum: CFD
Topic: external CFD on multi buildings
Replies: 3
Views: 24016

external CFD on multi buildings

If I want to see the adjacent buildings' effect on the main building, do I have to draw all adjacent buildings in building block?

I had tried to draw adjacent buildings in outline block, but those buildings don't show. Do they affect the simulation, or not?

Thanks
by xyliu925
Mon Nov 22, 2010 4:35 am
Forum: CFD
Topic: Visualizing the airflow of natural ventilation via CFD
Replies: 5
Views: 55698

Which episode I shold download?

There are two tutorials and one demo avaliable. What is the link?

Thx
by xyliu925
Mon Nov 22, 2010 4:10 am
Forum: CFD
Topic: DB running on Mac
Replies: 1
Views: 14824

DB running on Mac

Does DB have Mac version?

Thx
by xyliu925
Tue Nov 16, 2010 12:26 pm
Forum: EnergyPlus General
Topic: new Mac Air good enough to run EP
Replies: 1
Views: 4715

new Mac Air good enough to run EP

Has anyone tried it yet?
by xyliu925
Sun Nov 07, 2010 11:43 pm
Forum: CFD
Topic: DB support multi-cpu
Replies: 1
Views: 18007

DB support multi-cpu

I have duo core CPU.

It seems that DB CFD only use 1 of CPU. Is that right?
by xyliu925
Thu Oct 28, 2010 4:46 am
Forum: EnergyPlus General
Topic: error reading site summer design weather data
Replies: 0
Views: 3102

error reading site summer design weather data

Hi I have convert the Sydney weather data from EP site by using the DB converting program. The file has been saved to the \designbuilder\weatherdata\ folder. But I still got an error"error reading site summer design weather data' when I am doing the cooling design. Can anyone give a hint, please?
by xyliu925
Tue Oct 26, 2010 11:29 pm
Forum: CFD
Topic: time control
Replies: 1
Views: 18037

time control

Hi Is it possible DB can simulate the following case? The room ( 3 x 3 x 3) will have 1000 cubic metres gas in 2 seconds. The gas was in the mechine. Once the gas meets the air, it will expand. The room has 1 sqm opening to external and 1 sqm ductwork with fan installed. The fan will start 1 second ...

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