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CroSec_Trapezoid Class |
Represents full trapezoid sections. Rectangles and squares are special cases of it.
Inheritance HierarchySystemObject
Karamba.CrossSectionsCroSec
Karamba.CrossSectionsCroSec_Beam
Karamba.CrossSectionsCroSec_I
Karamba.CrossSectionsCroSec_Box
Karamba.CrossSectionsCroSec_Trapezoid
Karamba.CrossSectionsCroSec
Karamba.CrossSectionsCroSec_Beam
Karamba.CrossSectionsCroSec_I
Karamba.CrossSectionsCroSec_Box
Karamba.CrossSectionsCroSec_Trapezoid
Namespace: Karamba.CrossSections
Assembly: KarambaCommon (in KarambaCommon.dll) Version: 1.0.0.0 (1.0.0.0)
SyntaxThe CroSec_Trapezoid type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | CroSec_Trapezoid |
create the default trapezoid
|
| CroSec_Trapezoid(String, String, String, NullableColor, FemMaterial) |
create a cross section with given name, family and country without default properties
|
| CroSec_Trapezoid(String, String, String, NullableColor, FemMaterial, Double, Double, Double) |
create new trapezoid. Lengths in cm;
|
Properties| Name | Description | |
|---|---|---|
 | _height | height (depth) of cross-section [m] (Inherited from CroSec_I.) |
| A | cross sectional area (Inherited from CroSec_Beam.) |
| alpha_lt | imperfection factors according to EC3 for lateral torsional buckling (Inherited from CroSec_Beam.) |
| alpha_y | imperfection factors according to EC3 in y-direction (Inherited from CroSec_Beam.) |
| alpha_z | imperfection factors according to EC3 in z-direction (Inherited from CroSec_Beam.) |
| Ay | equivalent shear Area in local y-direction (normally horizontal) for considering shear deformation (Inherited from CroSec_Beam.) |
| Az | equivalent shear Area in local y-direction (normally horizontal) for considering shear deformation (Inherited from CroSec_Beam.) |
| color |
user defined color of the cross section
(Inherited from CroSec.) |
| Cw | second order warping moment (Inherited from CroSec_Beam.) |
| dims |
cross section dimensions
(Inherited from CroSec_I.) |
| ecce_loc |
set/get local eccentricity of cross section
(Inherited from CroSec.) |
| elemIds |
return list of element identifiers to which the cross section is to be attached.
(Inherited from CroSec.) |
| f_inclination | inclination of inner flange (Inherited from CroSec_I.) |
| family |
set/get the family of the cross section
(Inherited from CroSec.) |
| familyID | unique identifier of cross section. Excluded country in order to avoid problems in case of user defined families
which consist of cross sections of different countries (Inherited from CroSec.) |
| fillet_r | radius of inner fillet [m] (Inherited from CroSec_I.) |
| fillet_r1 | radius of outer fillet [m] (Inherited from CroSec_I.) |
| guid |
GUID of the cross section
(Inherited from CroSec.) |
| hasEccent |
return true of cross section has a locally defined eccentricity
(Inherited from CroSec.) |
| Ipp | torsional moment of inertia (Inherited from CroSec_Beam.) |
| IsValid |
return true of the cross section is valid (has e.g. non-zero area)
(Inherited from CroSec.) |
| iy | radius of gyration about y-axis (Inherited from CroSec_Beam.) |
| Iyy | moment of inertia about local Y-axis (Inherited from CroSec_Beam.) |
| iz | radius of gyration about z-axis (Inherited from CroSec_Beam.) |
| Izz | moment of inertia about local z-axis (normally vertical) (Inherited from CroSec_Beam.) |
| lf_thick | thickness of upper flange [m] (Inherited from CroSec_I.) |
| lf_width | width of upper flange [m] (Inherited from CroSec_I.) |
| material |
set/get material of the element
(Inherited from CroSec_Beam.) |
| materialName | name of the basic material attached to the cross section (Inherited from CroSec_Beam.) |
| name |
set/get the name of the cross section
(Inherited from CroSec.) |
| nDims |
number of dimensional
(Inherited from CroSec.) |
 | nProps |
return the number of properties of the cross section
(Inherited from CroSec_Beam.) |
| product |
type of production used for the cross section. This defines the alpha_y/z-values and influences buckling strength.
(Inherited from CroSec_Beam.) |
| props |
default cross section properties
(Inherited from CroSec_Beam.) |
| uf_thick | thickness of lower flange [m] (Inherited from CroSec_I.) |
| uf_width | width of lower flange [m] (Inherited from CroSec_I.) |
| user_defined |
indicates whether a cross section is user-defined or generated (e.g. a default material)
(Inherited from CroSec.) |
| w_thick | thickness of web [m] (Inherited from CroSec_I.) |
| Wely_z_neg | static resistance moment about y-axis for upper cross section point. In case of e.g. T-sections different from Wely_lower (Inherited from CroSec_Beam.) |
| Wely_z_pos | static resistance moment about y-axis for lower cross section point. (Inherited from CroSec_Beam.) |
| Welz_y_neg | static resistance moment about z-axis for extreme left cross section point (Inherited from CroSec_Beam.) |
| Welz_y_pos | static resistance moment about z-axis for extreme right cross section point (Inherited from CroSec_Beam.) |
| Wply | plastic resistance moment about y-axis (Inherited from CroSec_Beam.) |
| Wplz | plastic resistance moment about z-axis (Inherited from CroSec_Beam.) |
| Wt | torsional resistance moment (Inherited from CroSec_Beam.) |
| zg | distance of applied load to shear center of the cross section. By default it is equal to zs (Inherited from CroSec_Beam.) |
| zm |
distance of center of shear from upper section boundary
(Inherited from CroSec_I.) |
| zs |
distance of center of gravity from upper section boundary
(Inherited from CroSec_Beam.) |
Methods| Name | Description | |
|---|---|---|
| accept |
accept a cross section visitor
(Inherited from CroSec_Beam.) |
| addDuplicate |
add this cross section to fe-model
(Inherited from CroSec.) |
| AddElemId |
add an element identifier to the list of element identifiers which define to which elements the cross
SectionForce shall be attached in the course of assemblage.
(Inherited from CroSec.) |
 | addMeshPoint |
add one point to the cross section mesh
(Inherited from CroSec_Beam.) |
| calculate_iy_iz |
calculate cross-section properties from given geometry
(Inherited from CroSec_Beam.) |
| calculateProperties |
calculate cross-section properties from given geometry
(Overrides CroSec_BoxcalculateProperties.) |
| calculateProperties_EN10210 |
Calculate the following cross section properties according to EN 10210-2:
A, zs, Iyy, Izz, Wply, Wplz, Ipp, Cw
(Inherited from CroSec_Box.) |
| calculateProperties_General | (Inherited from CroSec_Box.) |
| clearElemIds |
empty the list of identifiers to which the cross section shall be attached.
(Inherited from CroSec.) |
| Clone |
shallow clone the cross section
(Inherited from CroSec.) |
| cloneElemIds |
clone the list of identifiers to which the cross section is to be attached. Needs to be done before
it is changed in order to avoid side-effects in GH-definitions.
(Inherited from CroSec.) |
| ConvertTo |
convert this cross section to the other cross section and clone it.
(Inherited from CroSec_Beam.) |
| crossSectionHasNoResistance |
test whether cross section has zero resisting moment or area for cross section design
(Inherited from CroSec_Beam.) |
| defaultGuid |
return the cross sections default guid
(Overrides CroSec_BoxdefaultGuid.) |
| enlistAllMaterials |
set the material based on the material identifier and a mapping from material identifiers to indexes
(Inherited from CroSec_Beam.) |
| Equals | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
| fe_ind |
return cross section index of sub cross section in the finite element model
(Inherited from CroSec.) |
| FECroSecDefault |
create fe-cross-sections from default cross section
(Inherited from CroSec.) |
| FECroSecs(Model) |
create fe-cross-section for given height with family-index 0
(Inherited from CroSec.) |
| FECroSecs(Model, Int32) |
create fe-cross-sections
(Inherited from CroSec_Box.) |
| Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
| GetHashCode | Serves as the default hash function. (Inherited from Object.) |
| getHeight |
return the height of the cross section.
Is useful for shell-elements which can thus also use beam-cross sections
(Inherited from CroSec_I.) |
| getHeight(Int32) |
returns the height of a sub-cross section in case of composite cross sections
(Inherited from CroSec.) |
| getThickness |
get thickness of cross section
(Inherited from CroSec_I.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| heights |
constructs a list of heights associated with the cross section. Can be time-consuming. For single item access use getHeight(index)
(Inherited from CroSec.) |
| isDefault |
returns true if cross section has default properties
(Inherited from CroSec.) |
| isStrongerThan |
return true if this cross section is in every aspect stronger than the other one.
(Inherited from CroSec_Beam.) |
| matchId |
test whether the cross section matches one of the identifiers given in the list of indexes
(Inherited from CroSec.) |
| matchIds |
test whether the cross section matches one of the identifiers given in the list of indexes
(Inherited from CroSec.) |
| maxWidth |
return the maximum width of the cross section or -1 in case this does not make sense (for e.g. shell cross sections)
(Inherited from CroSec_I.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| minmaxEps |
determine extreme strains in cross-section
(Inherited from CroSec_I.) |
| modifyEcceZ |
modify the local eccentricity in Z-direction
(Inherited from CroSec.) |
| modifyHeight |
modify the height of the cross section
(Inherited from CroSec_I.) |
| modifyHeights |
modify the heights of the cross section
(Inherited from CroSec.) |
| modifyThickness |
modifies the thickness of a cross section
(Inherited from CroSec_I.) |
| read |
Read cross section data from reader
(Inherited from CroSec.) |
| readFromTableRow |
read those data-items from the table row that need no verification and add it to the
data of this cross section
(Inherited from CroSec_Beam.) |
| renewGuid |
create new GUID for the cross section
(Inherited from CroSec.) |
| renewGuid(Guid) |
set new GUID for the cross section
(Inherited from CroSec.) |
| setDefaults |
set default dimensions of cross section
(Overrides CroSec_BoxsetDefaults.) |
| setMaterial(ListFemMaterial) |
set the material identifiers and the material references of the cross section. Sets material of layer 0 in case of shells.
(Inherited from CroSec.) |
| setMaterial(FemMaterial) |
set the material identifier and the material reference of the cross section
(Inherited from CroSec_Beam.) |
| shape |
returns the shape indicator of a cross section (for e.g. reading data from a table). This can be e.g.
'O', 'I', 'T', '[]',...
(Overrides CroSec_Boxshape.) |
| sketch |
add vertices on cross-section to mesh and corresponding colors
origin is the point on the element axis, axis the local coordinate system,
cmap contains the information for coloring points and n_faces the number
of points to be calculated
(Overrides CroSec_Boxsketch(Mesh3, ListDouble, Point3, Vector3, CroSecStrain, Int32).) |
| sketchGroupSizes |
return list of group-sizes of faces that form one geometric entity.
Enables cross-section sketches to consist of more than one connected surface.
By default there is only one group.
(Overrides CroSec_BoxsketchGroupSizes(Int32).) |
| stiffness |
calculate characteristic axial- and bending stiffness of an element of length L
(Inherited from CroSec_Beam.) |
| ToString | Returns a string that represents the current object. (Overrides CroSec_BoxToString.) |
| ToString(String) |
render cross section data as string for output.
(Inherited from CroSec.) |
| trait |
return value of trait with given index
(Inherited from CroSec.) |
| write |
Write cross section data contained to a reader
(Inherited from CroSec.) |
| writeToTableRow |
generate value of property info as a string which can be used in a cross section table
(Inherited from CroSec_Beam.) |
Fields| Name | Description | |
|---|---|---|
 | _height_ | height (depth) of cross-section [m] (Inherited from CroSec_I.) |
| _zg | distance of applied load to shear center of the cross section. By default it is equal to zs (Inherited from CroSec_Beam.) |
| _zs | distance of center of gravity of cross section from upper rim (Inherited from CroSec_Beam.) |
| A_ | cross sectional area (Inherited from CroSec_Beam.) |
| alpha_lt_ | imperfection factors according to EC3 for lateral torsional buckling (Inherited from CroSec_Beam.) |
| alpha_y_ | imperfection factors according to EC3 in y-direction (Inherited from CroSec_Beam.) |
| alpha_z_ | imperfection factors according to EC3 in z-direction (Inherited from CroSec_Beam.) |
| Ay_ | equivalent shear Area in local y-direction (normally horizontal) for considering shear deformation (Inherited from CroSec_Beam.) |
| Az_ | equivalent shear Area in local y-direction (normally horizontal) for considering shear deformation (Inherited from CroSec_Beam.) |
 | country_ | country in which the cross section is in use (Inherited from CroSec.) |
| Cw_ | second order warping moment (Inherited from CroSec_Beam.) |
 | default_height | default height of cross-section |
| default_lf_width | default width of upper flange |
| default_uf_width | default width of lower flange |
| eccent_ | eccentricity of the cross section (Inherited from CroSec.) |
| elem_ids_ | id/regular expressions of element identifiers to which the cross section applies (Inherited from CroSec.) |
| f_inclination_ | inclination of inner flange (Inherited from CroSec_I.) |
| family_ | unique identifier of a group of cross sections within a country (Inherited from CroSec.) |
| fe_ind_ | identification number of cross section in the fe-model (Inherited from CroSec.) |
| fillet_r_ | radius of inner fillet [m] (Inherited from CroSec_I.) |
| fillet_r1_ | radius of outer fillet [m] (Inherited from CroSec_I.) |
| guid_ |
GUID of the cross section
(Inherited from CroSec.) |
| has_eccent_ | true if there is an eccentricity defined for the cross section (Inherited from CroSec.) |
| Ipp_ | torsional moment of inertia (Inherited from CroSec_Beam.) |
| iy_ | radius of gyration about y-axis (Inherited from CroSec_Beam.) |
| Iyy_ | moment of inertia about local Y-axis (Inherited from CroSec_Beam.) |
| iz_ | radius of gyration about z-axis (Inherited from CroSec_Beam.) |
| Izz_ | moment of inertia about local z-axis (normally vertical) (Inherited from CroSec_Beam.) |
| lf_thick_ | thickness of upper flange [m] (Inherited from CroSec_I.) |
| lf_width_ | width of upper flange [m] (Inherited from CroSec_I.) |
| name_ | unique identifier of a cross section within a family (Inherited from CroSec.) |
| uf_thick_ | thickness of lower flange [m] (Inherited from CroSec_I.) |
| uf_width_ | width of lower flange [m] (Inherited from CroSec_I.) |
| user_defined_ |
indicates whether a cross section is user-defined or generated (e.g. a default material)
(Inherited from CroSec.) |
| w_thick_ | thickness of web [m] (Inherited from CroSec_I.) |
| Wely_z_neg_ | static resistance moment about y-axis for upper cross section point. In case of e.g. T-sections different from Wely_lower (Inherited from CroSec_Beam.) |
| Wely_z_pos_ | static resistance moment about y-axis for lower cross section point. (Inherited from CroSec_Beam.) |
| Welz_y_neg_ | static resistance moment about z-axis for extreme left cross section point (Inherited from CroSec_Beam.) |
| Welz_y_pos_ | static resistance moment about z-axis for extreme right cross section point (Inherited from CroSec_Beam.) |
| Wply_ | plastic resistance moment about y-axis (Inherited from CroSec_Beam.) |
| Wplz_ | plastic resistance moment about z-axis (Inherited from CroSec_Beam.) |
| Wt_ | torsional resistance moment (Inherited from CroSec_Beam.) |
See Also