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A winning concept The creative process begins with conceptual sketching to develop and display the designer's ideas. For decades, paper- based sketches have met the needs of automotive interior designers. However, digital sketching techniques provide some compelling advantages, including the ability to collaborate and make design decisions more effectively and reuse digital sketches as the basis for concept models. The process of developing 3D concept models from concept sketches is a key step in developing a digital prototype of the automotive interior design. A digital prototype is a single 3D digital product model that connects design, engineering, manufacturing and marketing teams and allows them to design, visualize and simulate the performance of the interior with fewer physical prototypes. At the concept modelling stage, aesthetic considerations meet engineering realities. Using leading industrial design software such as Autodesk ® Alias Automotive, the concept modeller can consider of the information needed to complete a design concept. Digital sketches can be incorporated to help the designer maintain the original design intent, while engineering reference data from multiple CAD sources can be included so that technical design constraints are respected. Features such as history- based modelling provide improved productivity when modifying existing surfaces. Productivity enhancements such as symmetrical drawing and dynamic shape modelling enable the designer to quickly generate concept models. Scratching the surface Transforming concept models into Class- A surfaces requires specific technical skills combined with purpose- built tools to support the technical surfacing process. Autodesk Alias Surface and Alias Automotive provide the ability to help precisely develop and control surfaces using either Bezier or NURBS geometry. Advanced tools to handle scan data provide support for hybrid workflows to incorporate changes to physical models into the design workflow. Powerful visualization capabilities built into Alias products provide the designer with immediate feedback on design choices. Autodesk Showcase expands these visualization capabilities by enabling wider collaboration and decision- making. It allows designers and managers to explore different design alternatives, material and colour options, and Courtesy of Holden Special Vehicles

environmental conditions. Showcase software can provide a range of presentation options, from interactive decision- making to movies. Integrated raytracing not only provides realistic visualization, but also enables the impact of reflections and lighting to be studied in detail. These factors can be critical for reaching the optimum in driver visibility. A well- designed interior could be compromised if it does not function as expected, or cannot be made economically. It is important to connect the design and visualization process to engineering workflows, so that simulation results can be interpreted in time to have an impact on design. Using Autodesk Moldflow software, engineers can optimize designs, even when they are in the concept stage. Designs can be studied to determine whether warpage or other conditions will be a problem, providing time to optimize before design freeze. In addition, moulding process simulation can identify opportunities for material reduction and cost optimization through studies of alternative manufacturing processes. The simulation of mechanical systems is essential to ensure that interior controls and mechanisms function as intended over the life of a vehicle. Dynamic simulation can reveal the motions and forces seen in mechanism designs, providing valuable feedback for design optimization. Additional simulation in areas as diverse as assembly stress, impact analysis, and computational fluid dynamics can optimize the passenger comfort and safety. Autodesk Inventor, the foundation of Autodesk's solution for digital prototyping, provides built- in dynamic simulation and assembly stress analysis, while software from Algor ® , an Autodesk subsidiary, extends the number of options with a wide range of analysis capabilities. " A well- designed interior could be compromised if it does not function as expected or cannot be made economically"