MOMENT SOLIDTHINKING INSPIRE SOFTWARE
They have put additional safety factors in to compensate for the fact that they don’t actually know what is going to happen.’ĭassault Systèmes, the software provider behind the 3DExperience platform, offers modularization as a standard out-of-the-box solution as part of its Truck and Bus Tailors industry solution experience. He explained that, today, the majority of engineers would not start a new development project without understanding how it is going to perform: ‘Those that are still doing that are probably over engineering. ‘If you can test lots of scenarios virtually, then you know that you have accounted for any possibility of it failing,’ stated Patel. You are only consuming the material you need for the product.Bipin Patel, managing director of EnginSoft UK, explains that optimization is a particularly useful tool for design simulation as it increases the number of product iterations that can be analyzed. “And not only that, because it’s additive manufacturing and not subtractive manufacturing, you are not wasting 90% of a block of metal to achieve the finished product. “The lighter your internal components are, the lower your carbon footprint is,” says Nick Hard, director of HardMarque. The final piston design weighed 289 grams, 23.5% lighter than the 378-gram original stock piston, yet just as strong. These shapes that are easily produced using additive manufacturing methods. For example, HardMarque Future Factories, a Melbourne, Australia-based industrial design and additive manufacturing studio, used Inspire to lightweight a piston made of titanium in an additive manufacturing process. The resulting designs often look like biological structures found in nature, such as honeycomb, skeletal, and fractal shapes that feature curvy surfaces, bends and twists, pattern repetition, and the use of loads in tension. “Inspire helps design engineers follow the functional and resource-efficient design rules found within nature, an approach often called ‘biomimicry,’” continues Vernon. “Material is removed from regions that are less essential for carrying the loads.” “The density of the material is essentially a variable,” explains Tony Norton, executive vice president, Americas, for Altair ProductDesign, Inc. The solver determines whether the specific element needs to be in the design in order to satisfy stiffness, lightweighting, and other design requirements.
MOMENT SOLIDTHINKING INSPIRE SERIES
These operations are basically a series of iterative analyses that vary the density of each element in the mesh-element by element. All the meshing and other FEA operations for topology optimization are done in the background. “The tricky part, which requires some intuition,” says Vernon, “is in how the model is loaded and supported to accurately depict how the final part will be used.”Īt this point, the software takes over. Then the design engineer inputs loads and manufacturing constraints. The topology optimization in Inspire starts with solid geometry, which can be imported directly for all major CAD systems or imported as a neutral CAD file (such as IGES, Parasolids, and STEP). These are key criteria for parts created through additive manufacturing, mold making, and many other conventional manufacturing operations, such as casting and machining. From a designer’s standpoint, after applying the optimization, says Russell Vernon, application engineer at solidThinking ( ), “You’re basically starting with an ideal solution, from a mathematically efficient design.” That ideal is a design already optimized for material consumption, product weight, and manufacturability. Last, topology optimization shortens that design process considerably. Also, the optimization is great at creating strong, lightweight parts with less material. In the past two years, it has gained popularity because of its availability in computer-aided design (CAD) software that is both easy-to-use and affordable. Topology optimization balances material use against the stiffness of a part. After the piston design was refined in another CAD system, the finished piston was 23.5% lighter than the original stock piston. HardMarque Future Factories, an Australian industrial design shop, used Inspire to lightweight a piston made of titanium in an additive manufacturing process.
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