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Modelling and Simulating a PC with FloEFD (Part 3)

Ok, last time I promised you to put a picture of me as Dr. Zoidberg from Futurama on here. Well here it is! What do you think? :-)

Dr. Zoidberg (Futurama)

Now back to the PC model. In the post before the last one I said I will show you the Mainboard and its main features. As you can see I modelled the heat sink in pretty good detail. I did that to show you a little feature of FloEFD™V5 or better said in all of our FloEFD products. But we will get to that when the time of simulating has arrived, but first more about the Mainboard. The Mainboard was at least at the time I bought it one of the newest of it’s kind. I has all the features such as DrMOS instead of Discrete MOS which means less power consumption, lower temperature of the MOS and more stable overclocking (in my case I didn’t overclock). A lot of very nice bright blue SMD LEDs for status displays on the board and some other nice to have features such as easy BIOS update etc. The main interest when modelling the Mainboard were the heat sources with heat sinks, all the card slots such as PCI-Express, DDR3 slots, Heat Pipe and the chip socket with chip. I cannot tell what kind of chip it is but it is a quad core with 2.67 GHz. I used also all six DDR3 slots with each occupied with a 2GB RAM module. The  Heat Pipe you can see is connecting the two chipsets  and the third heat sink which is not connected, the one close to the USB, LAN and other ports at the back side of the Mainboard is placed on the DrMOS.

mainboard-asm_1

Basic Mainboards Design in Catia V5

 Well this is how the Mainboards looks like with its most important features. The next thing I will do is to get some more information on the chips, for the definition of the heat sources and their material properties. So if this is done we could do a test calculation of the Mainboard without graphic card, RAM and the surrounding casing.

So, see you next time…

FloEFD, FloEFD Project, Electronics Cooling, Thermal Design

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About Boris Marovic

Boris MarovicI studied Aeronautical Engineering at the University of Stuttgart (Germany) and did my final thesis at the AME of the University of Arizona (USA). I started in 2007 directly at Mentor Graphics (at that time NIKA/Flomerics) and am working in the customer support for the FloEFD products, demoing the software and giving trainings for the FloEFD products. Basically I'm interested in almost every engineering simulation there is. I did work a little with the FEM stress simulation of Catia V5 and ever since I liked the idea of simulating in the design process and that's how I found my way to FloEFD. Well I have some hobbies like Skiing, skating, my dog (she's a cutie but sometimes can be a real little gremlin). I really like aircrafts, but rather military jets than commercial aircrafts and I like designing. Modeling something really nice like a car or even a simple fixture gives me always the feeling of satisfaction when seeing the final version and being proud of my creation. Maybe you know the feeling when you created something and then leaning back watching at it and thinking "Yep, that's my baby!". Oh, and not to forget, I love motorcycles primarily supersport. Every spring when all the bikers crawling out of their holes and you hear the sounds of roaring engines I have goose bumps all over my back. Unfortunately I currently don't have a bike on my own but that'll change hopefully soon. Visit Boris Marovic’s Blog

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Comments 2

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Hi Boris, I want to design my Own PC Case by plexi glass by Catia V5. I need some measurements as your motherboard design. How can I reach these kind of measurements? I need ATX standart,Motherboard,PSU... catia parts. Is it possible to share if you have some studies? Thanks in advance.

Volkan KARAKUS
9:36 PM Feb 13, 2011

Hi Volkan, I'm sorry for the late answer, for some reason the notification on a comment did not work. I did take the measurements myself when I bought the motherboard, but the general size and location of certain connectors are defined in the ATX standard just like the size of DIMMs etc. Try to search the internet, that way I found details on DIMM PCB sizes including their slots. As for the PSU, you might find details in data sheets from the vendor of your desired PSU. Unfortunately I haven't had the time to continue working on my model, which is too bad as I am really interested to see the flow. Although in the way I assembled my computer the CPU never gets too hot so there is no urgent need to simulate. But still, when I find a better way of placing the components, I will probably change them. Good luck with your design, Boris

Boris Marovic
8:44 AM Mar 14, 2011

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