3D printing reimagined: Lightweight structures iteratively created and optimized

3D printing reimagined: Lightweight structures iteratively created and optimized

In the 4D_Additive software version is a Nastran interface and allows to quickly create diverse grid structures and validate them with simulation tools.

In the latest version 4D_Additive software, the additive manufacturing tool now supports a new approach for the creation, optimization, and validation of lattice structures. With the Advanced Lattice module, lightweight structures can be created quickly and easily and then transferred directly to the calculation software for validation of the new Nastran interface.

Optimisation at the touch of a button

With the new Nastran interface, complex 3D lattice geometries can be transferred directly to finite element analysis tools. The integration of the Nastran standard format into the 4D_Additive software makes it possible to create and seamlessly convert lattice structures and alternative part designs to the calculation software within seconds.

The 4D_Additive software provides tools for the easy creation of 20 different 3D lattice structure types. CAD solids can be filled with internal structures and also be replaced by external structures. In particular, gyroid patterns and trabecular structures to emulate natural lattices, such as those found in bones, are used to generate new designs to optimize the weight, stability, stress distribution, and shock absorption of components.

The use of different lattice types and the variation of the density, as well as a variable cell size throughout the component, allows the adaptation of the geometry to the required properties with simultaneously optimized component properties. In contrast to topology optimization with this approach classical part designs are quickly optimized iteratively and can be validated with simulation tools on the fly.

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