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Autodesk Alias Tutorial – Modelling a Tyre / Tire
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Autodesk Alias Tutorial – C-Pillar Blend
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Learning Alias sponsors the Education of children in Nepal. This is Deepana and we need to raise money to put her through Nursing College in Kathmandu. Learning Alias Blog is a free service, but if you would like to show your appreciation, please make a small donation. 100% of your money will go directly to pay Deepana’s college fees. Without the help of sponsors in the developed world, Deepana would receive no education whatsoever, as she comes from a remote Hymalayan village. Thank You, graham bullock.
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The locator conundrum of curvature continuity
Alias Tutorial – Dynamic Section Control – Visual Clipping –
Please donate just 5 Eur/6 USD. Why not take 2 min to do it now?
Learning Alias sponsors the Education of children in Nepal. This is Deepana and we need to raise money to put her through Nursing College in Kathmandu. Learning Alias Blog is a free service, but if you would like to show your appreciation, please make a small donation. 100% of your money will go directly to pay Deepana’s college fees. Without the help of sponsors in the developed world, Deepana would receive no education whatsoever, as she comes from a remote Hymalayan village. Thank You, graham bullock.
PayPal or Credit Card. NB: US Credit Card accepted
Building a Car Body, Alias, A Pillar Blend
Please donate just 5 Eur/6 USD. Why not take 2 min to do it now?
Learning Alias sponsors the Education of children in Nepal. This is Deepana and we need to raise money to put her through Nursing College in Kathmandu. Learning Alias Blog is a free service, but if you would like to show your appreciation, please make a small donation. 100% of your money will go directly to pay Deepana’s college fees.Without the help of sponsors in the developed world Deepana would receive no education whatsoever, as she comes from a remote Hymalayan village. Thank You, graham bullock.
PayPal or Credit Card. NB: US Credit Card accepted
Modeling a Car Body “Class A Blends in Alias” (Updated)
Alias Tutorial – “How to Model the A Pillar Alias” – Highlighting
Alias Tutorial – NURBS Curve Geometry deg. 3 v deg. 4
Follow Me.跟我来:
Please donate just 5 Eur/6 USD. Why not take 2 min to do it now?
Learning Alias sponsors the Education of children in Nepal. This is Deepana and we need to raise money to put her through Nursing College in Kathmandu. Learning Alias Blog is a free service, but if you would like to show your appreciation, please make a small donation. 100% of your money will go directly to pay Deepana’s college fees. Without the help of sponsors in the developed world, Deepana would receive no education whatsoever, as she comes from a remote Hymalayan village. Thank You, graham bullock.
PayPal or Credit Card. NB: US Credit Card accepted
Alias Modeling for a TC2000 Team in Argentina – part 4
Come an learn Alias or Boost your current Alias skills to FULL Pro. Automotive entry level
www.learningalias.co.uk
I am busier than ever these days
with contract modeling, teaching one to one students from all 5 continents and now of course my brand new website has gone live and it is possible to learn Alias Automotive to a professional level for the lowest rate on the planet.
Pictured below is an Audi A5 Sportback built by one of my students who is now a Digital Sculptor for GM.
Full HD video, just click the picture below
I am now putting some of my tutorials on YouTube, so whilst you’re there you may wish to check them out. There’s a full tutorial on how to create a Ball Corner to Class A Surfacing, Catia V5 spec.
Click Here for Videos
To see just how quickly you can learn Automotive Modeling, with a Pro. Alias Trainer to help you
NURBS FROM MESH VIDEO click here
For student’s who have the objective of finding a CAD job in the near future, I still teach One to One students and all of these students get Automotive Modeling or Design/Modeling jobs, so it’s a great investment to make.
Check-Out my Customer Feedback,
Many of my students make it to the top and succeed in becoming pro. Alias Digital Modelers. The hourly rate is very high and there are vacancies in UK. France, Germany, USA, Brazil etc.
On my website I teach you how to build the models you need to get accepted at interview. Why not take a look?
Cheers
graham bullock
My New Website is now live!
Fees: Accsess to all my 200+ videos, including the complete Audi A5 Sportback, my Virrage concept car and many other projects
228$ /167 Euros per month (599$ /440 € 3 months/ 1899$ /1400 € anual)
For really serious Alias students,
who wish to learn pro. modeling skills in a condensed time frame, I also run “One to One” Internet Coaching at a cost of
339$ / 250 Euros pcm.
I can only take a maximum of 5 students at any one time. I tech all levels right up to Post Graduates and Alias modelers in their first year in Industry. I have never had a private student fail to get an Alias Automotive job (Companies include GM, Lotus, Opel, Audi Seat etc. )
If you wish to apply for a place, please email me with all your details.
Kind Regards
graham bullock B.Ed. Des & Tech.
CAD Modeling for Championship Touring Cars in the field (Argentina)
By Ricci Walker
(edited by graham bullock)
Now I would like to talk about modeling airboxes and carbon fiber.
This Air Box I had to model at short notice like 2 hours on several occaisions
Now back to frontal area, mechanically speaking air is drawn into the engine via the airbox which is connected to the engine, the size is fixed by the regulations; however there is a bonus that standard road cars remove called the ram air effect, the process where moving award forces extra air into the engine enhancing the air/fuel mixture, this is power for free if the ecu (engine control unit) is mapable. The downsides are air flow restriction when closely following the car in front.
By close I mean less than a meter. The aero buffeting in this situation causes a low pressure zone in front of the air intake forming a partial vacuum and drawing hot air into the intake reducing power, acceleration, and winning. Conversely F1 cars have the intakes above the drivers head in unrestricted airflow no matter how close they follow each other.
So the clever bit is to determine the amount of air needed at any one time and adjust the size of the air intake dynamically. Problem! You are not allowed moveable aerodynamic aids; so enter the grey area of the sport. We did a bunch of calculations that highlighted the volume of air in the critical power areas and then added 6/1/2 for good measure we designed an air box to have a reserve volume of air at lower speeds where the engine needed more air and less pressure and then reduced the volume at higher speeds where ram effect takes over and the volumetric efficiency increases naturally, sort of a turbo boost.
The trick is to have an air box that automatically increases the volume and streamlines the flow entering the manifold at low speeds, whilst reducing the volume and increasing the flow at high speeds. This was cleverly achieved by using ram air to push an internal spring loaded flap across making the air box smaller and conversely as the air speed reduced the pressure on the flap subsided and the volume increased
proportionately. This modification only increased the hip by 5 but the reduced drag, increased torque due to smaller intake size, equated to pole position in the next three races. The air box was effectively a sealed carbon fiber box with the clever bit out of sight and out of mind, only total destruction would reveal its secrets……..and the nob-head Brazilian driver forgetting to “just get pole” and not prove to the competitors he’s god like status at the wheel. We were investigated and told to remove whatever it was we did not have hidden from view. One of many such investigations due to the driver having no restraint and an ego larger than a mountain range in Switzerland!
The grey areas of the sport are tweaked by all the teams all of the time so staying ahead of the pack was a constant challenge, The teams that had in-house production facilities did have an advantage so having the equipment and the chaps to use it was significant in staying competitive, Unlike making a part in the f1 world which is akin to playing chess against a super computer.
The design for the air box was relatively simple and modeled in Alias on a laptop with solely the integrated mouse, in a morning. This was exported as an IGES file and sent to a design/fab. shop and lots of overdue and very important prototype work was dropped like a stone, as we offered to pay 3 times the going rate to queue jump our air-box. The boss inumerated many moral objections for not doing the underhanded move we were suggesting. He then asked for another 10% on top for El Niño and grabbed the cash. My instructions were to stick to this guy like a limpit and not leave his side till I had the part in my hand.
Within an hour he had milled the posive from a block of plastic and an hour after that the moulds were being fast cured, beneath IR lamps. I cringed at the thought of all that distortion causing deviation from my CAD constr. prefs. and armed With one phrase (eco la puta \ (phonetic))( son of a bitch) and no actual linguistic skills on my side, , it was amazing with only hand gestures, brilliant special awareness two people could create a living breathing object with no real verbal communication. By 6 pm that day a working GRP (glass fiber) mockup was being fitted to the car and by the afternoon of the next day a full carbon layup was looking at me. Unheard of and astounding, epically as they had built their own autoclaves (heated vacuum oven) out of old cookers and a de-compression chamber. A week later the air box was in France being tested on the engine denominator at “PIPO” the suppliers of the Peugeot world rally teams.
The gains were not mind blowing however they were a step in the right direction for very little cost on my part anyhow? I must praise the very talented and resourceful chaps for this and many other extraordinary feats of engineering that made me proud to be part of the team.
Later on that month I introduced them to recorded video footage of the suspension dynamics with a miniature camera and on-board recorder. When they saw the footage it was like watching children around a Christmas tree and the understanding they had of tyre dynamics was about to rock their world and open a new can of chocolate coated worms……….Also whilst Argentina rebelled and burnt its buildings and looted the banks the racing held the people together?
Typical car from the pack
The race series is still active but I have just learnt my old boss is retiring at the end of this month so I wish him luck in his retirement to enjoy time with his neglected family…..
Good luck Edgardo Fernández
http://www.tc2000.com.ar/
By Ricci Walker
(edited by graham bullock)
I am busier than ever these days
with contract modeling, teaching one to one students from all 5 continents and now of course my brand new website has gone live and it is possible to learn Alias Automotive to a professional level for the lowest rate on the planet.
Pictured below is an Audi A5 Sportback built by one of my students who is now a Digital Sculptor for GM.
Full HD video, just click the picture below
I am now putting some of my tutorials on YouTube, so whilst you’re there you may wish to check them out. There’s a full tutorial on how to create a Ball Corner to Class A Surfacing, Catia V5 spec.
Click Here for Videos
To see just how quickly you can learn Automotive Modeling, with a Pro. Alias Trainer to help you
Alias Modeling for a TC2000 Team in Argentina – part 3
CAD Modeling for Championship Touring Cars in the field (Argentina)
By Ricci Walker
(edited by graham bullock)
Now I would like to talk about modeling airboxes and carbon fiber.
This Air Box I had to model at short notice like 2 hours on several occaisions
My job was to bring a fresh approach to EF Racing whether by process or technology,
so one day sat with the teams Alias Modeler talking about what he had designed the subject of frontal area sprung forth, as it does, more precisely the regulations that govern how much of the air intake was allowed to be above and below the vehicles horizontal midline. If you are going to model an air box for rapid prototyping you need to talk with the guy that’s going to model the aperture in the front end that the air box is going to fit to. Hed is also changing his front end all the time.
For those that are not familiar with motor racing
a set of rules are drawn up for all teams to abide by allowing an equal playing field whilst using different makes shapes and sizes of production cars, i.e., ford, Peugeot, Honda, etc. One of the fairest ways to level the playing field is to limit the engine size and air intake size. This allows plenty of scope to be creative within the boundaries of the legislation however it stops teams chucking sheds loads of money at quick fixes for getting ahead of the competitors. Many of the manufacture backed teams have been running for years and so the development process has undergone large advances for little initial financial input to very small gains for huge amounts of money, and now to gain a hundredth of a second is akin to moving a Small Mountain from Chili to London.
The teams now try to buy people who can make a difference;
i.e. me from F1, and others from the world rally teams. For example my team purchased a production car, shipped it to “MIRA” the UK’s only independent wind tunnel facility to get full airflow analysis data. This cost tens of thousands and then gave the new vehicle away because it was cheaper than shipping it back to Argentina.
Alias and Catia modelers are always kept busy, modeling the underbody
sump guarde and the milled suspension brackets you can see here, so you can see motor racing is about being creative and adaptable whilst adhering to the regulations. To the casual observer motor racing is black and White but really its grey as the boundaries blur between what the governing body can see and what they are allowed to see. This is the most exciting aspect of the sport for me and really stimulates the creativity glands.
Now back to frontal area, mechanically speaking air is drawn into the engine via the air box which is connected to the engine, the size is fixed by the regulations; however there is a bonus that standard road cars remove called the ram air effect, the process where moving forward forces extra air into the engine enhancing the air/fuel mixture, this is power for free if the ecu (engine control unit) is mapable. The downsides are air flow restriction when closely following the car in front.
By Ricci Walker
(edited by graham bullock)
To be continued——————————–
Come an learn Alias or Boost your current Alias skills to FULL Pro. Automotive entry level
www.learningalias.co.uk
I am busier than ever these days
with contract modeling, teaching one to one students from all 5 continents and now of course my brand new website has gone live and it is possible to learn Alias Automotive to a professional level for the lowest rate on the planet.
Pictured below is an Audi A5 Sportback built by one of my students who is now a Digital Sculptor for GM.
Full HD video, just click the picture below
I am now putting some of my tutorials on YouTube, so whilst you’re there you may wish to check them out. There’s a full tutorial on how to create a Ball Corner to Class A Surfacing, Catia V5 spec.
Click Here for Videos
To see just how quickly you can learn Automotive Modeling, with a Pro. Alias Trainer to help you
NURBS FROM MESH VIDEO click here
For student’s who have the objective of finding a CAD job in the near future, I still teach One to One students and all of these students get Automotive Modeling or Design/Modeling jobs, so it’s a great investment to make.
Check-Out my Customer Feedback,
Many of my students make it to the top and succeed in becoming pro. Alias Digital Modelers. The hourly rate is very high and there are vacancies in UK. France, Germany, USA, Brazil etc.
On my website I teach you how to build the models you need to get accepted at interview. Why not take a look?
Cheers
graham bullock
My New Website is now live!
Fees: Accsess to all my 200+ videos, including the complete Audi A5 Sportback, my Virrage concept car and many other projects
228$ /167 Euros per month (599$ /440 € 3 months/ 1899$ /1400 € anual)
For really serious Alias students,
who wish to learn pro. modeling skills in a condensed time frame, I also run “One to One” Internet Coaching at a cost of
339$ / 250 Euros pcm.
I can only take a maximum of 5 students at any one time. I tech all levels right up to Post Graduates and Alias modelers in their first year in Industry. I have never had a private student fail to get an Alias Automotive job (Companies include GM, Lotus, Opel, Audi Seat etc. )
If you wish to apply for a place, please email me with all your details.
Kind Regards
graham bullock B.Ed. Des & Tech.