Autodesk ALIAS AUTOMOTIVE CLASS-A MODELING Video Training Course Download

DIGITAL DELIVERY | INSTANT DOWNLOAD | PRICE: 5.00 USD | FORMAT: VIDEO | LANGUAGE: ENGLISH
 




Autodesk ALIAS AUTOMOTIVE CLASS-A MODELING Video Training Course Download
 
1.1 UI Setup
Video Tutorial (14:59 min)
 Tutorial (PDF)
 Data Files (ZIP)
 Menus and Shelves (ZIP)
1.2 Fitting Primary Curves Onto Scan Lines
Video Tutorial (15:15 min)
 Tutorial (PDF)
 Data Files (ZIP)
1.3 Theoreticals vs Overbuilding
Video Tutorial (12:05 min)
 Tutorial (PDF)
 Data Files (ZIP)
1.4 Roof Scan: Patch Planning
Video Tutorial (1:46 min)
1.5 Roof Scan: Fitting Primary Surfaces to a Mesh
Video Tutorial (24:48 min)
 Tutorial (PDF)
 Data Files (ZIP)
1.6 Roof Scan: Option 1 - Fitting Blend Surfaces to a Mesh
Video Tutorial (22:28 min)
 Tutorial (PDF)
Extra Video Tutorial (3:12 min)
1.7 Roof Scan: Option 2 - Building Primary Surfaces to Theoreticals
Video Tutorial (13:40 min)
 Tutorial (PDF)
2.8 - Surface Curvature Shading Analysis
Video Tutorial (13:54 min)
 Tutorial (PDF)
 Data Files (ZIP)
2.9 - Reflection Analysis
Video Tutorial (11:32 min)
 Tutorial (PDF)
2.10 - CoS Negative Extend
Video Tutorial (10:47 min)
 Tutorial (PDF)
 Data Files (ZIP)
2.11 - Edges: CoS or Curves
Video Tutorial (6:24 min)
 Tutorial (PDF)
 Data Files (ZIP)
2.12 - Wheel Opening
Video Tutorial (8:06 min)
 Tutorial (PDF)
 Data Files (ZIP)
3.13 - Fascia Blends - Surface Fillet
Video Tutorial (28:34 min)
 Tutorial (PDF)
 Data Files (ZIP)
3.14 - Chordal Fillets & Internal Continuity
Video Tutorial (17:39 min)
 Tutorial (PDF)
 Data Files (ZIP)
3.15 - Ball Corner - Square Tool
Video Tutorial (12:54 min)
 Tutorial (PDF)
 Data Files (ZIP)
4.16 - Ball Corner - BallCorner Tool
Video Tutorial (21:56 min)
 Tutorial (PDF)
 Data Files (ZIP)
4.17 - Two into One Chamfer Blend
Video Tutorial (24:22 min)
 Tutorial (PDF)
 Data Files (ZIP)
4.18 - Five Corner Blend
Video Tutorial (19:43 min)
 Tutorial (PDF)
 Data Files (ZIP)
4.19 - Four and Three Corner Blends
Video Tutorial (16:35 min)
 Tutorial (PDF)
 Data Files (ZIP)
4.20 - Feature Washout - Wheelarch
Video Tutorial (20:30 min)
 Tutorial (PDF)
 Data Files (ZIP)
4.21 - Class A Modelling 'v' Design Modelling
Video Tutorial (10:20 min)
 Tutorial (PDF)
 Data Files (ZIP)
4.22 - Fixing a Surface Structure
Video Tutorial (10:36 min)
 Tutorial (PDF)
 Data Files (ZIP)
5.23 - Hood Edge
Video Tutorial (10:30 min)
 Tutorial (PDF)
 Data Files (ZIP)
5.24 - Hood Edge Optimisation
Video Tutorial (13:01 min)
 Tutorial (PDF)
 Data Files (ZIP)
5.25 - Light Housing 1 - Introduction
Video Tutorial (5:10 min)
 Tutorial (PDF)
 Data Files (ZIP)
5.26 - Light Housing 2
Video Tutorial (13:16 min)
 Tutorial (PDF)
 Data Files (ZIP)
5.27 - Light Housing 3
Video Tutorial (9:13 min)
 Tutorial (PDF)
 Data Files (ZIP)
5.28 - Light Housing 4
Video Tutorial (27:06 min)
 Tutorial (PDF)
 Data Files (ZIP)
 
 
Class-A (or 'Strak') is a term used in specifically in automotive design. It describes the final production surface data for the aesthetic parts of the car.
The term 'Class A' is often misunderstood, but it's generally seen as the 'Holy Grail' of surface modeling. This is because as it achieves the highest surface quality levels, and it demands a high level of automotive design knowledge as well as surface modeling skills.
Class A represents the 'craftwork' end of the design process. Creating the main surface shapes to describe the vehicle is the primary design activity. But the painstaking, detailed craftsmanship of perfecting those surfaces, designing flanges and panel gaps is what guarantees that a beautiful design turns into a beautiful manufactured product.
What is Class-A?
The Class-A modeling process typically starts with a fully developed design, either as a scanned clay model or an Alias model. Because the design isn't changing, the modeler has the time to build surfaces to the highest quality standards, ready for production.
The challenge for Class-A is to combine the need for:
Aesthetic Quality – Continuity and Highlights
Engineering Requirements – Flanges and Fit
Production Requirements – Modeling Tolerances
Aesthetic Quality required for Class-A
Baseline Requirements: G0, G1, G2
The baseline requirements for Class-A are the same as for production-quality surfacing in all industries: to build to tight tolerances for G0, G1 and G2 continuity.
In Alias this is achieved by using the right Construction Tolerances before you start modeling, for example 'Catia V5'.
And by checking that these have been achieved using one or more of the following tools:
Surface Edit > Stitch (to check the whole model for G0 gaps)
Evaluation > Surface Continuity ( to check individual boundaries for G0, G1, G2)
Evaluation > Model Check (to check the whole model for G0, G1, G2, and duplicates, small edges etc.)
It's important to note that there are no absolute rules for tolerances or continuity levels. It is part of the skill and knowledge of the Class A modeler to be able to judge which settings will result in the right quality in the production car.
G3 Continuity
Class-A aesthetic quality is generally understood as being 'perfect' highlight reflections. G3 Continuity across the surface patches is often used to achieve this. G3 continuity can be achieved with the following workflows and tools in Alias:
Direct Modeling of the surface CVs combined with interactive evaluation of the continuity.
Object Edit > Align
Surface Tools: Freeform Blend, Profile Blend, Surface Fillet, Symmetric Fillet.
Blend Curves
Evaluating Highlights
'Perfect Highlights' can't be judged by a single evaluation, instead a combination of methods is used:
Continuity at Boundaries: Evaluation > Surface Continuity
Continuity across boundaries: Locators > Curve Curvature and Windows > Cross-Section Editor
Continuity Flow: Diagnostic Shading > Iso-Angle and Diagnostic Shading > Light Tunnel
Highlight Flow: Diagnostic Shading > Saddle Lines
Surface Quality: Diagnostic Shading > Curvature Evaluation
Engineering Requirements for Class-A
These are typically defined by an automotive company, with detailed standards for each element of the design.
For example:
Tolerances specific to A- surfaces, B-surfaces, C-surfaces etc.
Tolerances specific for exterior surfaces, interiors (with and without grain for example).
Tolerances specific for main blends, smaller fillets and detail fillets.
Split Lines, Flanges and Panel gaps

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