Design for drainability in density-based topology optimization

Abstract Topology optimization methods improve the structural performance of components. However, in food processing, medical, high-precision, and other industries' designs should also fulfil requirement being cleanable. An important aspect cleanability is drainability, which entails that fluids can always run off structure under just gravity. Therefore, taking drainability into account during process essential for many applications. This paper proposes a drainage filter turns blueprint design drainable design. In layer-by-layer fashion, adjusted, to ensure down its surface. A smooth minimum maximum are used formulation allow consistent sensitivity calculation. To small runoff angles, typical practical grid refinement proposed. Moreover, any direction be considered. The effectiveness method illustrated 2D 3D.