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首页> 外文会议>TAPPI Papermakers Conference 2006 vol.1 >3-D Simulation of Paper Structure in View of Optimizing Paper Production
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3-D Simulation of Paper Structure in View of Optimizing Paper Production

机译：从优化纸张产量的角度对纸张结构进行3D模拟

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A new computational model of 3-D paper structure was developed in order to simulate the effect of fiber morphology upon paper properties. Indeed, depending on the wood species, the dimensions of the fibers may vary by a factor two or three, which directly influences paper structure and properties. Knowing the size distributions of the fibers, our model creates virtual pieces of handsheets made of real pulps that can be visualized and manipulated. The simulator was validated by quantitative determinations. For a given basis weight, the model calculates the number of fibers in a sample and the main texture properties, i.e. thickness, apparent density, porosity and roughness. The relative bonded area, apparent specific surface and pore size values, which are important factors for assessing mechanical or transport properties, can also be determined. In a relatively short computational time, the model gives the evolution of a property as a function of the variations of one morphological parameter, e.g. fiber length, which can be used in an optimization problem.
机译：为了模拟纤维形态对纸张性能的影响，开发了一种新的3-D纸张结构计算模型。的确，取决于木材种类，纤维的尺寸可以相差2或3倍，这直接影响纸张的结构和性能。知道了纤维的尺寸分布后，我们的模型将创建由真实纸浆制成的虚拟手抄纸，并可以对其进行可视化和操作。通过定量确定验证了模拟器。对于给定的基重，该模型计算样品中纤维的数量和主要的纹理特性，即厚度，表观密度，孔隙率和粗糙度。还可以确定相对结合面积，表观比表面积和孔径值，这是评估机械性能或运输性能的重要因素。在相对较短的计算时间内，该模型根据一个形态参数（例如，形态学参数）的变化给出属性的演变。纤维长度，可用于优化问题。

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