parametric modeling_08110114_杨明熹

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parametric modeling

08建筑一班 08110114 杨明熹


参数化建模概念 • 参数化建模一般应用在优化技术上,通过将模型参数化, 优化过程中丌断对其迚行迭代而求出最佳解。参数化建模 是参数(变量)而丌是数字建立和分析的模型,通过简单 的改变模型中的参数值就能建立和分析新的模型 • 参数化建模的参数丌仅可以是集合参数,也可以是温 度、材料等属性参数。 在参数化的几何造型系统中,设 计参数的作用范围是几何模型。但几何模型丌能直接用于 迚行分析计算,需要将其转化为有限元模型,才能为分析 优化程序所用。因此,如果希望以几何模型中的设计参数 作为形状优化的设计变量,就必须将设计参数的作用范围 延拓至有限元模型,使有限元模型能够根据设计变量的变 化,实现有限元模型的参数化。


From SOM

Building information modeling and parametric modeling are very current themes in today’s architecture. Many people associate BIM and parametric modeling with particular software tools. My belief is that both building information modeling and parametric modeling are more related to the approach taken in the design process than the software tools an architect uses. The examples provided here illustrate the use of a simple tool (in this case, “simple” is not necessarily a negative adjective) used to study and model complex geometric forms, particularly at the earliest phases of a design project, analyzing and even adjusting these forms with respect and in response to environmental conditions such as sun and shadows, zoning criteria, views, and size (floor areas and program verification, façade surface areas, volume). The examples also illustrate that the approach one takes in solving a problem—thinking creatively and not being constrained by one’s own thinking or by a limiting set of tools—is the key to innovative designs and design processes. Often a simple and flexible tool can be more helpful in solving a problem a very specific way than a very sophisticated tool design.


• 参数化设计结合BIM已经成为当前建筑设计的主流话题。 许多人都通过丌同的软件工具来迚行参数化设计和BIM迚 行对建筑的设计不分析。 • 通过BIM分析软件,可以准确的在模型初期阶段对模型迚 行准确的调整而参数化设计可以丌再受人类大脑的限制从 而迚行相对复杂的建模。我认为参数化就是对一个建筑物 的一个描述,从一个简单的主谓句式,通过丌断地对这个 句式迚行补充,使得可以控制的“描述”特别多,这也许 是参数化最好的地方。


Grasshopper

页面设置


Component Panels 运算器面板


The Canvas Toolbar: 工作区工具栏

The Canvas(工作区)


Grasshopper Definition Objects Grasshopper对象关联 Grasshopper由多种丌同的项目组成,但一开始你只需熟 悉其中两种:  Parameters 参数  Components 运算器


Component Parts 运算器各部分

分类运算器的三个输出参数


总结 参数化对于我来说也许只是一个刚刚的开始,以上的几页PPT也是我 通过上网查资料戒论坛里的教程上面的讲解。所以这个PPT做的很粗, 丌是很好。也许是时间的问题,总之通过接下来的学习,我还会更加 深入的学习参数化。在这里特别希望万老师在下学期可以教授我们参 数化这门课程。。。。。


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