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湾曲およびらせん部材

Modeling curved and spiral members in SkyCiv Structural 3D

Curved Members

SkyCiv provides a number of advanced operations to speed up your modeling workflow.

「曲がったメンバー」’ operation allows you to select (2) ノードとアークを生成する (メンバーで構成された) それらの間の. この機能は、湾曲した梁やアーチなどの湾曲した構造をモデル化する場合に便利です.

例: Modelling a curved beam

この例では, 曲がった梁をモデル化します. The first step is to create two nodes. Use coordinates (0,0,0) そして (10,0,0) meaning that our two nodes are separated by 10 ft in the x-direction.

create two nodes
Select the two nodes by holding Ctrl and clicking the two nodes. あるいは, you can select them by holding Ctrl and pressing ‘ato select all. 選択時, the two nodes will turn blue.

select both nodes and they will turn blue
Go to the top toolbar, その後 編集する > 操作 > Curved Member.

curved 1
A popup will appear to give you some options:

  • Number of Members The number of members used to make the curvature.
  • Section ID for the Members The cross-section ID applied to each member.
  • 半径The radius of the curve between the two nodes. The minimum value of the radius is half the distance between the nodes
  • PlaneWhich coordinate plane the curve will be generated in.
  • 方向 – Positive or Negative, affects which direction the curvetravels

例えば, 我々は使用するだろう 20 members to make up a curve (the more members, the more accurately the curve is represented and vice versa). For the radius, the minimum value is the half distance between the two nodes. Since the two nodes in this example are separated by 10 フィート, the minimum half distance is 5 フィート. A value higher than the minimum for the radius will result in a ‘flatter’ 曲線. You can also directly specify section ID for the members of the curve to assign them a particular cross-section. Plane options (XY-plane, XZ-plane) and direction (positive, negative) can also be specified.

curved member popup
The example below is used the settings as above (20 会員, with a radius of 5 フィート).

curved member generated with 20 members 5 ft radius
You can undo the curve after you’ve generated it by holding Ctrl and pressing “と”. The below is an image of the above undone, and then recreated with 10 members with a radius of 5 フィート:

curved member generated with 10 members 5 ft radius
The image below is of a curve with 20 会員, with a radius of 8 フィート.

curved member generated with 20 members 8 ft radius

スパイラルメンバー

The ‘Spiral Member’ operation allows you to select one node as the starting point, and generate a spiral (メンバーで構成された). This feature is useful when modeling spiral structures like some types of staircases or railings.

例: Modelling a spiral structure

この例では, we will model a spiral structure. The first step is to a node at the origin (0,0,0).

start by creating a single node

Select the node by clicking it. 選択時, the node will turn blue.

select the node and it will turn blue

Go to the top toolbar, その後 編集する > 操作 > スパイラルメンバー.

spiral 1

A popup will appear to give you some options.

  • Total Number of Members to Use The number of members making up the spiral structure.
  • Section ID for the Members The cross-section ID applied to each member.
  • Helix Base Point Center PointThe center of the helix structure. Enter x, そして, z coordinate.
  • Helix Length The length between the turns, in the propagation direction.
  • の数 360 degree turns The number of complete turns.
  • 方向 – The spiral propagation direction.
  • Turning Direction The direction that the spiral will turn in (clockwise / counterclockwise) as it propagates in a particular direction.

spiral member popup options

The generated spiral structure is shown below.

spiral member structure example

test test

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