各向同性的板Homogenous翻译.docx

1、各向同性的板Homogenous翻译第一章 各向同性的板Homogenous同质的On the Homogenous tab, you define a thickness for a single panel.在“同质”选项卡上，可以为单个面板定义厚度。Specify homogeneous thickness parameters:指定均匀厚度参数：Label - In this field, specify the label (name) of the defined thickness type.标签-在此字段中，指定定义厚度类型的标签（名称）。Color - In this fie

2、ld, select the color for the defined thickness type.颜色-在此字段中，为定义的厚度类型选择颜色。Thickness厚度Constant - When you select this option, the thickness of the surface structure element will be constant.常量-选择此选项时，曲面结构元素的厚度将保持恒定。Th field - In this field, type the thickness value for a surface structure element (pa

3、nel), when a constant thickness was selected along the entire finite element (panel).Th字段-在该字段中，键入沿整个有限元（panel）选择恒定厚度时曲面结构元素（panel）的厚度值。Variable along a line - When you select this option, the thickness of the defined surface element (panel) of the structure will be linearly changing. You will be re

4、quired to define the thickness of the panel at two points (P1 and P2).沿直线变化-选择此选项时，结构的已定义表面元素（面板）的厚度将线性变化。您需要在两点（P1和P2）定义面板的厚度。Variable on a plane - When you select this option, the thickness of the defined surface element of the structure (panel) will be changing according to the defined plane. You

5、 will be required to define the thickness of the panel at three points (P1, P2, and P3), which define the panel thickness change plane.平面上的变量-选择此选项时，结构（面板）的已定义表面元素的厚度将根据定义的平面发生变化。您需要在三个点（P1、P2和P3）定义面板的厚度，这三个点定义面板厚度更改平面。Reduction of the moment of inertia - when this is selected, it allows reduction o

6、f elements of the bending inertia matrix.转动惯量减小-选择此选项后，可减少弯曲惯量矩阵的元素。Reduction has no effect on the membrane stiffness (compression, tension) and transversal forces. Elements of the bending matrix for finite elements are multiplied by a specified value of the reduction factor.减薄对薄膜刚度（压缩、拉伸）和横向力没有影响。有

7、限元弯曲矩阵的元素乘以折减系数的指定值。Reduction of moments of inertia for RC sections is applied in static calculations to account for the influence of section cracks. This method is allowed by the USA codes (UBC 1997 point 1910.11.1 or ACI 318 point10.11.1). Examples of stiffness reduction values according to ACI:在静

8、力计算中采用了截面惯性矩折减法来考虑截面裂缝的影响。美国规范（UBC 1997第1910.11.1点或ACI 318第10.11.1点）允许使用该方法。根据ACI的刚度减小值示例：Walls without cracks 0.70* Ig无裂缝墙0.70*IgWalls with cracks 0.35* Ig裂缝墙0.35*IgFlat plates and slabs 0.25* Ig平板和平板0.25*IgParameters of foundation elasticity (elastic support coefficient K) - click this to open the

9、 Definition - Elastic Foundation dialog.基础弹性参数（弹性支撑系数K）-点击这个来打开定义-弹性基础对话框。Material - In this field, select the material for the defined thickness type.材料-在此字段中，为定义的厚度类型选择材料。After you have defined the parameters, click Add. The newly defined thickness type will be added to the list of active thicknes

10、s types.定义参数后，单击“添加”。新定义的厚度类型将添加到活动厚度类型列表中。Parent topic: Plates_Shells - Basic Model Elements父主题：板壳-基本模型元素Panels面板Using this option, you can define panels within structures. Access the option by:使用此选项，可以在结构中定义嵌板。通过以下方式访问选项：Clicking Geometry menu Panels.单击“几何体”菜单“面板”。On the Structure Definition toolb

11、ar, clicking .在“结构定义”工具栏上，单击。After the option is selected, the Panel dialog displays.选择该选项后，将显示“面板”对话框。To define a panel, specify its parameters:要定义面板，请指定其参数：Number数量Contour Type轮廓类型Panel面板Opening打开Face (option available only in Volumetric Structure Design)面（仅在体积结构设计中可用）If Face is selected for Conto

12、ur Type, all options under Properties become unavailable. Selecting this option causes the object that is being generated to be defined as a face (without assigning properties such as reinforcement type and thickness). Such an object can be used during generation of a volumetric structure (solid) an

13、d it may constitute a face of such a volumetric object.如果选择“面”作为“轮廓类型”，则“特性”下的所有选项都将不可用。选择此选项会将生成的对象定义为面（而不指定钢筋类型和厚度等属性）。这种物体可以在生成体积结构（实体）的过程中使用，并且可以构成这种体积物体的一个面。Creation With创建Internal Point内点Object List对象列表Surface Elements (FE) List表面元素（FE）列表Properties属性Reinforcement - type of reinforcement for th

14、e panel钢筋-面板的钢筋类型Material - this is a read-only field; it displays the material defined for the selected panel thickness.材料-这是一个只读字段；它显示为选定面板厚度定义的材料。Thickness厚度Panel calculation model.面板计算模型。Note: Using the browse buttons to the right of Reinforcement, Thickness and Model, you can access the New Bar

15、 Type, New Section or Panel Calculation Model dialog, in which you define a new panel thickness, plate and shell reinforcement type or panel calculation model. The defined thickness, reinforcement or model types are then added to the appropriate lists of thickness, plate and shell reinforcement type

16、s or panel calculation models.注意：使用钢筋、厚度和模型右侧的浏览按钮，可以访问“新建钢筋类型”、“新建截面”或“面板计算模型”对话框，在该对话框中可以定义新的面板厚度、板和壳钢筋类型或面板计算模型。然后，将定义的厚度、钢筋或模型类型添加到厚度、板和壳钢筋类型或面板计算模型的相应列表中。The extents of the panels are defined by defining their edges (definition of contours). The panel contour may contain bar elements, objects,

17、and polylines. To define a panel:面板的范围通过定义其边（轮廓定义）来定义。面板轮廓可能包含条形元素、对象和多段线。要定义面板：Indicate a point within the panel (coordinates of a point located within the contour).指示面板内的一个点（位于轮廓内的点的坐标）。Provide the number(s) of objects comprising the contour.提供构成轮廓的物体数量。Provide numbers of the generated planar fini

18、te elements. The option may be used after a mesh of finite elements is generated (by clicking Analysis menu Calculation model Generation). This option is useful when it becomes necessary to change properties of a part of a generated panel (for example, to change the thickness in the near-opening zon

19、e or at the edges).提供生成的平面有限元的数量。此选项可在生成有限元网格后使用（通过单击“分析”菜单“计算模型”“生成”）。当需要更改已生成嵌板的一部分的属性时（例如，更改靠近洞口区域或边缘的厚度），此选项非常有用。After panels are defined and calculations started, a planar FE mesh is created according to the parameters you specify in the Job Preferences dialog (Meshing Options).定义面板并开始计算后，将根据在“

20、作业首选项”对话框（网格划分选项）中指定的参数创建平面有限元网格。The FE mesh is visible only after the FE Mesh option is selected in the Display dialog.只有在“显示”对话框中选择“有限元网格”选项后，有限元网格才可见。For a given contour, you can repeat the procedure for creating an element mesh. However, the new planar element mesh will overwrite the existing on

21、e. Two planar FE types are available in the software:对于给定的轮廓，可以重复创建元素网格的步骤。但是，“新”平面元素网格将覆盖现有网格。软件中有两种平面有限元类型：triangular elements (3- or 6-node)三角形单元（3节点或6节点）quadrilateral elements (4- or 8-node).四边形单元（4节点或8节点）。During FE mesh creation, the nodes inside the selected area are created first, and then th

22、e nodes are assigned to the appropriate finite elements. Nodes inside the area (contour) may be created using an algorithm:在有限元网格创建过程中，首先创建选定区域内的节点，然后将节点分配给相应的有限元。区域（轮廓）内的节点可以使用以下算法创建：generation of Coons plane库恩斯平面的生成Delaunays triangulation德劳内三角测量See also:另请参见：Examples of creating finite element mes

23、hes (plates and shells)创建有限元网格（板和壳）的示例Node numbering for 6- and 8-node finite element6节点和8节点有限元的节点编号Parent topic: Plates_Shells - Basic Model Elements父主题：板壳-基本模型元素Orthotropy direction正交各向异性Use the Orthotropy Direction dialog to define the main direction of a given orthotropy (the direction equivalen

24、t to the xx direction in the stiffness matrix). The defined vector is projected on the panel plane. To open the dialog, click Direction X on the Orthotropic tab in the New Thickness dialog.使用“正交各向异性方向”对话框可以定义给定正交各向异性的主方向（该方向相当于刚度矩阵中的xx方向）。定义的矢量将投影到面板平面上。若要打开该对话框，请单击“新建厚度”对话框中“正交各向异性”选项卡上的“方向X”。Defin

25、e the main orthotropy direction:定义主正交各向异性方向：Automatic - the direction is adopted as the direction of the X axis of the panel.自动-该方向作为面板X轴的方向。According to X, Y, or Z axis - the direction is assumed as the direction parallel to a selected axis of the global coordinate system.根据X、Y或Z轴-该方向假定为平行于全局坐标系的选定

26、轴的方向。According to vector - the direction is assumed as the direction parallel to a defined vector with the coordinates (X, Y, Z); the vector coordinates may be defined graphically on the screen.根据矢量-假定方向是与坐标（X，Y，Z）定义的矢量平行的方向；可以在屏幕上以图形方式定义矢量坐标。Parent topic: Plates_Shells - Basic Model Elements父主题：板壳-

27、基本模型元素Orthotropy direction正交各向异性Use the Orthotropy Direction dialog to define the main direction of a given orthotropy (the direction equivalent to the xx direction in the stiffness matrix). The defined vector is projected on the panel plane. To open the dialog, click Direction X on the Orthotropic

28、tab in the New Thickness dialog.使用“正交各向异性方向”对话框可以定义给定正交各向异性的主方向（该方向相当于刚度矩阵中的xx方向）。定义的矢量将投影到面板平面上。若要打开该对话框，请单击“新建厚度”对话框中“正交各向异性”选项卡上的“方向X”。Define the main orthotropy direction:定义主正交各向异性方向：Automatic - the direction is adopted as the direction of the X axis of the panel.自动-该方向作为面板X轴的方向。According to X,

29、Y, or Z axis - the direction is assumed as the direction parallel to a selected axis of the global coordinate system.根据X、Y或Z轴-该方向假定为平行于全局坐标系的选定轴的方向。According to vector - the direction is assumed as the direction parallel to a defined vector with the coordinates (X, Y, Z); the vector coordinates may

30、be defined graphically on the screen.根据矢量-假定方向是与坐标（X，Y，Z）定义的矢量平行的方向；可以在屏幕上以图形方式定义矢量坐标。Parent topic: Plates_Shells - Basic Model Elements父主题：板壳-基本模型元素Stiffness matrices - orthotropy刚度矩阵-正交各向异性For predefined plate geometry (ribs, box floor, grillage), the stiffness matrices are calculated on the basis

31、 of the geometrical slab parameters.对于预定义的板几何结构（加强筋、箱形楼板、板架），根据板的几何参数计算刚度矩阵。After you select one of predefined slab geometry types from the list in the New Thickness dialog, click Display to open the Stiffness Matrices - Orthotropy dialog with calculated values of the stiffness matrix. All fields in

32、 this dialog are not available. In the New Thickness dialog, the Thicknesses option is cleared and the edit fields for defining thickness are not available, either.从“新建厚度”对话框的列表中选择一种预定义的板几何图形类型后，单击“显示”以打开“刚度矩阵-正交各向异性”对话框，其中包含刚度矩阵的计算值。此对话框中的所有字段都不可用。在“新建厚度”对话框中，“厚度”选项被清除，用于定义厚度的编辑字段也不可用。After you select the user-defined option from the list in the New Thickness dialog, you can def