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Grasshopper API 链接 – 节点焊缝的参数化优化（03）
Grasshopper API 链接 – 节点焊缝的参数化优化（03）
SteelConnection designTutorialsConnectionIDEA Open Model (API)

Grasshopper API 链接 – 节点焊缝的参数化优化（03）

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在本教程中，您将学习如何在 Grasshopper 中创建节点模板并确定给定荷载下焊缝的合适值。

本教程使用 Rhino 8。如果您使用的是 IDEA StatiCa 24.1.3 及以下版本，请参阅此教程。

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Anemone 插件

由于 Grasshopper 无法处理循环，您必须安装另一个能够处理循环的插件。在本示例中，我们将使用 Anemone，它可以在 Grasshopper 中创建循环。

备注：将 .gha 文件放入 Grasshopper 库文件夹，右键单击属性，勾选"解除锁定"复选框，点击应用，关闭所有窗口并重启 Rhino。

   

IDEA StatiCa Connection – 节点设计与参数设置

本教程需要一个带有若干参数的节点。使用空白模板创建一个：

进入荷载效应，按照下图修改荷载：

现在，将此文件保存为 Example3.ideaCon。

接下来，按照下图添加操作板与板连接：

为了能够使用参数，需要在首选项 / 高级设置中启用开发者选项卡： 

现在，您需要为焊缝设置参数。点击开发者选项卡中的加号按钮，并按照图示修改文本：

要将此参数与相应焊缝关联，点击链接按钮，并按照下图选择属性字段：

现在，您可以使用另存为按钮将此节点（含操作和参数）保存为名为 Example3.contemp 的模板。

Grasshopper - 合并 *ideaCon 与 *contemp 文件，确定 焊缝厚度。

创建一个新文档，并添加以下组件以合并 *.ideaCon 和 *.contempt 文件。在上方功能区选择 Params 选项卡，并在画布上放置 File Path 组件。 

右键单击该组件，选择之前保存的 Example3.ideaCon 文件。 

注意：如果您打开附件文件，必须相应地修改此路径。 

或者，您也可以使用 Params / Panel 和 Maths / C# Script 组件来导入 Example3.contemp 和 Example3.ideaCon 文件。 

自 24.1.4 版本起，IDEA StatiCa 提供了新的 API，详情请参阅此处。

要运行 Grasshopper 脚本，必须在每个文件中添加名为 Connection Service Runner 的组件。该组件可在  IDEA StatiCa / App Common 中找到。

要将 Grasshopper 插件连接到正确的 IDEA Connection 版本，请添加 File Path 组件并将其链接到实际的 IDEA 安装目录（C:\Program Files\IDEA StatiCa\StatiCa 25.1）。

运行此组件时，您应看到以下窗口弹出。

现在，按照图示将以下组件连接到画布。

导入文件：

IDEA StatiCa / App Common / Open project
IDEA StatiCa / Connection / Get connections
IDEA StatiCa / Connection / Import Template file
IDEA StatiCa / Connection / Template Assign
IDEA StatiCa / Connection / Apply Template
Set /List / List Item

计算与结果：

IDEA StatiCa / Connection / Get Parameters
IDEA StatiCa / Connection / Update Parameters
IDEA StatiCa / Connection / Calculate Project
IDEA StatiCa / App Common / Modify Object
IDEA StatiCa / App Common / Deconstruct Object
Set /List / List Item

用于迭代焊缝尺寸的 Anemone 组件：

Anemone / Class / Loop Start
Anemone / Class / Loop End
Params / Maths / Operators / Addition

我们使用 Params / Input / Button 组件来启动迭代。

 迭代从 0.001 m 开始，以 1 mm 为步长共运行十次，直到 CheckStatus 值变为 True。 

结果解读

对于此特定节点，使用以下参数可获得满意的结果： 

  • 焊缝厚度 6 mm


更多复杂示例可在您的电脑中以下目录找到：

"%appdata%\McNeel\Rhinoceros\packages\8.0\IDEAStatiCa\0.2.5\Examples0.2.5.zip"