Braga, F.L. and Ribeiro, M.S., Diffusion Limited Aggregation: Algorithm optimization revisited, Computer Physics Communications, 182, 8, 1602-1605, 2011.BRAGA, F. L.; RIBEIRO, M. S. Diffusion Limited Aggregation: Algorithm optimization revisited. Computer Physics Communications, v. 188, p. ...
Learn More: 我的博客 DLA - Diffusion Limited Aggregation In a word, DLA即颗粒通过随机移动接触并粘附到现有固定颗粒而产生支化和珊瑚状的结构。 8.1.2 Real Life Experiments 在电沉积池中加入硫酸铜溶液, you can get results like the following images: 8.1.3 You Should Know 创始人之一Sander曾经总结...
对于这种复杂现象,可以建立一些简单的设想和数学模型,然后在这些设想的框架上来模拟自然。于是就有了凝聚态物理中比较基础的有限粘结扩散模型(DLA),通过利用简单的随机行走和编程,任何人都可以利用电脑去模拟大自然的分形。 这里简单介绍一种简易的DLA模型:先画一个矩形框,比如100×80像素。在框里划分出精细的格子,比...
Diffusion-limited aggregationIn diffusion-limited aggregation (DLA), particles undergo random walks due to Brownian motion. They cluster together to form aggregates.DLA can be used to model systems such as lichen growth, the generation of polymers out of solutions, carbon deposits on the walls of...
Diffusion Limited Aggregation is the process whereby particles moving in a random path due to Brownian motion cluster together to form aggregates.
Diffusion-limited aggregation (DLA) is a model which represents noisy growth limited by diffusion. This process is quite common in nature and the simple algorithm gives a good representation of the large-scale structure of many natural objects. The clusters grown in the computer and the real ...
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Computer simulations have been used to explore two-dimensional diffusion-limited aggregation models in which growth is allowed only at the tips of needle shaped arms that are directed away from the origin. For the case of two adsorbing needles with growth velocities equal to the rate at which th...
举个例子,扩散限制聚集或DLA,其特别描述了电解溶液中锌离子在电极上的扩散和聚集。“扩散”是由于形成结构的颗粒在将自身(“聚集”)依附到结构之前随机漫游。“扩散限制”是因为这些颗粒被认为是低浓度的,所以它们不会相互接触,而结构一次只生长一个颗粒,而不是大块颗粒地生长。自然界中有很多这样的例子,如:珊瑚...
Starting from the explanation of diffusion-limited aggregation (DLA) model, we discuss various aspects of DLA; properties of the fractal structure, a variety of related phenomena, theoretical attempts to derive the fractal dimension expression, inherent stochasticity, extension and generalization of the ...