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T+A 撰文 上海东方体育中心 参数化设计 [精华] |
popabczhang
![]() 发贴: 60 ![]() |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() 《时代建筑 T + A 》 刊登上海东方体育中心(Shanghai Oriental Sports Center)项目专题介绍。其中有关该项目参数化设计介绍节选: 上海东方体育中心设计在实际工程中的参数化设计方面的探索和运用取得了显著的成效。 Remarkable results have been achieved on Shanghai Oriental Sports Center Project in exploration and application of parametric design. 参数化设计是指使用特定的编程软件在设计各阶段根据设计意图,构建由多参数控制的数学或几何关系流程。将这种崭新的技术和设计方法运用在建筑设计中优势非常明显,它使设计得以通过完全理性的方式被描述,同时通过修改程式各环节的参数生成成百上千的对比方案并从中作出最优化的选择。 Parametric design can be defined as building a mathematical or geometrical relationship flow by specific scripting software, which is controlled by multi-parameters according the design purpose. This new technology and design method brings considerable advantages for architecture design. It makes the design progress fully logically described. By varying the parameter at any section of the relationship flow, thousands of alternative options are generated for filtering the most optimized. 方案设计阶段,概念往往更为感性、抽象,此时需要较为模糊和富有冗余度的方法来控制(图1)。 In the concept design, the design idea is usually more perceptual and abstract. So a vaguer control method is needed at this stage (1). 随着方案的深入和优化,寻找理性的设计依据是必需的。例如三个体育场馆屋面的找形过程中,决定形体外表面皆为标准几何体(如球体或圆环体)的一部分,以保证几何可描述性,从而保证日后施工的易操作性与经济性(图2、3)。同时,每个场馆的屋顶都是由若干个连续变化的桁架组成,因此需要精确、高效地通过空间轴线得到一系列关键控制点、通过控制点得到几何体、并通过布尔运算得出所需形体(图4)。又例如,在大跨度钢结构设计上,参数化设计提供了这样的可能性——形体在连续的变化中找到同时满足建筑效果与结构需求的平衡点。 With in-depth and optimization program, to find a rational design basis is necessary. For example, In the process of form-finding of three stadium-roofs, all surfaces are decided to be a part of standard geometric solids (e.g. spheres or rings), to ensure the geo-describablity and the ease and economy for future construction (2, 3). Simultaneously, the roofs are composed by a series of consecutive changing trusses. So, an accurate and efficient method is necessary to operate space curved axis, therefore key-points, therefore geometric solids, and finally booleaned forms (4). As another example, for large-span steel structure design, parametric design offers the possibility, the balance point between architectural effect and structural requirement could be reached while the form is continuous changing. 深入到施工图与幕墙招标图阶段的很多方面,承包商会根据其加工工艺、经济性及制图难度提出要求和建议方案。在传统设计过程中,由于技术上的局限性,建筑师往往难以完全控制,而参数化设计的介入帮助建筑师在满足各项条件的同时,借助细部节点修改应用于全局的方法,控制和验证建筑效果(图5-7)。值得一提的是与施工单位的接口,为保证几何形体及数据转换的准确性,信息模型必须通过实体模型(Solid或NURBS)而非三角形网格的方式导入施工单位软件平台,并控制误差范围。 In the Construction Design and Façade Tendering stage, the contractors will make their requirements based on their own manufacture difficulty and economy. In the traditional design process, due to technical limitations, the architect was not always able to control completely, but now we ourselves can control and verify the architectural effect in both detailed and overall sight with the help of parametric method (5-7). It is worth mentioning the interface with the constructors, in order to ensure geometry conversed precisely, none Mesh but Solid or NURBS 3D-model should be import to their software platform, and of course, the tolerance should be limited. 作为国内领先运用参数化设计的重大公共建筑项目的设计单位,为该领域的发展开启了思路,也积累了宝贵经验。 As the designer of the first major public architecture project in China with full use of parametric design, not only enlightens the mind but also accumulates valuable experience in this field. 图释: Pictures: 1 方案阶段的模糊控制Vaguer control in concept design ![]() 2 构建几何关系流程 Build geometrical relationship flow ![]() 3标准几何体布尔运算 Boolean of standard geometric solids ![]() 4 轴线、关键点及形体的连续控制Consecutive control of axis, key-points and final form ![]() 5 立面分缝设计 Cladding division design ![]() 6 幕墙实样 Façade mockup ![]() 7 柱脚节点 Foot-point detail ![]() Link: PDF文件下载 -- Zhang yan ALL RIGHTS RESERVED
popabczhang edited on 2009-11-02 11:04
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