We introduce a mesoscale approach for the simulation of multicomponent flows to model the direct-writing printing process, along with the early stage of ink deposition. As an application scenario, alginate solutions at different concentrations are numerically investigated alongside processing parameters, such as apparent viscosity, extrusion rate, and print head velocity. The present approach offers useful insights on the ink rheological effects upon printed products, susceptible to geometric accuracy and shear stress, by manufacturing processes such as the direct-writing printing for complex photonic circuitry, bioscaffold fabrication, and tissue engineering.

中文翻译：

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用于直接书写打印的莱迪思Boltzmann多组件模型

我们引入了一种中尺度方法来模拟多组分流，以模拟直接书写的打印过程以及墨水沉积的早期阶段。作为一种应用场景，将对不同浓度的藻酸盐溶液以及加工参数（如表观粘度，挤出速率和打印头速度）进行数值研究。通过制造工艺，例如用于复杂光子电路的直接书写印刷，生物支架制造和组织工程，本方法提供了关于油墨流变学效应对印刷产品的有用的见解，该油墨流变学效应易受几何精度和剪切应力的影响。