PSC Sections

A nested class within Section used to create Prestressed Concrete sections.

PSC Box Section (1-Cell, 2-Cell)

Constructor

Section.PSC.CEL12(Name='', Shape='1CEL', Joint=[0,0,0,0,0,0,0,0], HO1=0, HO2=0, HO21=0, HO22=0, HO3=0, HO31=0, BO1=0, BO11=0, BO12=0, BO2=0, BO21=0, BO3=0, HI1=0, HI2=0, HI21=0, HI22=0, HI3=0, HI31=0, HI4=0, HI41=0, HI42=0, HI5=0, BI1=0, BI11=0, BI12=0, BI21=0, BI3=0, BI31=0, BI32=0, BI4=0, Offset:Offset=Offset.CC(), useShear=True, use7Dof=False, id:int=0)

Creates PSC 1-cell or 2-cell box sections.

Parameters

Name: Section name
Shape (default='1CEL'): Section shape ('1CEL' or '2CEL')
Joint: List of 8 joint connectivity values [JO1, JO2, JO3, JI1, JI2, JI3, JI4, JI5]
HO1, HO2, HO21, HO22, HO3, HO31: Outer cell height parameters
BO1, BO11, BO12, BO2, BO21, BO3: Outer cell width parameters
HI1-HI5, HI21, HI22, HI31, HI41, HI42: Inner cell height parameters
BI1, BI11, BI12, BI21, BI3, BI31, BI32, BI4: Inner cell width parameters
Offset (default=Offset.CC()): Section offset parameters
useShear (default=True): Enable shear deformation
use7Dof (default=False): Enable warping effect
id (default=0): Section ID

Object Attributes

ID (int): Section ID.
NAME (str): Section name.
SHAPE (str): Section shape, '1CEL' or '2CEL'.
TYPE (str): Type of section, defaults to 'PSC'.
JO1 to JI5 (bool): Joint connectivity.
OFFSET (Offset): An Offset object defining the section's offset.
USESHEAR (bool): Flag to indicate if shear deformation is considered.
USE7DOF (bool): Flag to indicate if warping effect (7th DOF) is considered.
HO1, HO2, HO21, HO22, HO3, HO31 (float): Outer dimensions of the section.
BO1, BO11, BO12, BO2, BO21, BO3 (float): Outer dimensions of the section.
HI1, HI2, HI21, HI22, HI3, HI31, HI4, HI41, HI42, HI5 (float): Inner dimensions of the section.
BI1, BI11, BI12, BI21, BI3, BI31, BI32, BI4 (float): Inner dimensions of the section.

Examples

PSC Cell Sections (1-Cell, 2-Cell) Section

# PSC Example
for i in range(2):
    Node(i * 10, 0, 0)
    Node.create()

Element.Beam(1, 2)
Element.create()

# Create PSC Box Section
Section.PSC.CEL12(
    Name="PSC Box",
    Shape="1CEL",
    Joint=[1, 0, 0, 1, 0, 1, 0, 1],

    HO1=0.2,
    HO2=0.3,
    HO22=0.5,
    HO3=2.5,

    BO1=1.5,
    BO11=0.5,
    BO2=0.5,
    BO3=2.25,

    HI1=0.24,
    HI2=0.26,
    HI3=2.05,
    HI31=0.71,
    HI4=0.2,
    HI5=0.25,

    BI1=2.2,
    BI11=0.7,
    BI21=2.2,
    BI3=1.932,
    BI31=0.7,

    Offset=Offset.CT(),  # "Center-Top" selected
    useShear=True,       # Shear deformation checkbox is selected
    use7Dof=False,       # Warping effect (7th DOF) not checked
    id=1
)
Section.create()

PSC I-Section

Constructor

Section.PSC.I(Name='', Symm=True, Joint=[0,0,0,0,0,0,0,0,0], H1=0, HL1=0, HL2=0, HL21=0, HL22=0, HL3=0, HL4=0, HL41=0, HL42=0, HL5=0, BL1=0, BL2=0, BL21=0, BL22=0, BL4=0, BL41=0, BL42=0, HR1=0, HR2=0, HR21=0, HR22=0, HR3=0, HR4=0, HR41=0, HR42=0, HR5=0, BR1=0, BR2=0, BR21=0, BR22=0, BR4=0, BR41=0, BR42=0, Offset:Offset=Offset.CC(), useShear=True, use7Dof=False, id:int=0)

Creates PSC I-sections with symmetric or asymmetric flanges.

Parameters

Name: Section name
Symm (default=True): Symmetric section flag
Joint: List of 9 joint connectivity values
H1: Web height
HL1-HL5, HL21, HL22, HL41, HL42: Left flange parameters
BL1-BL4, BL21, BL22, BL41, BL42: Left flange width parameters
HR1-HR5, HR21, HR22, HR41, HR42: Right flange parameters (used when Symm=False)
BR1-BR4, BR21, BR22, BR41, BR42: Right flange width parameters (used when Symm=False)
Offset (default=Offset.CC()): Section offset parameters
useShear (default=True): Enable shear deformation
use7Dof (default=False): Enable warping effect
id (default=0): Section ID

Object Attributes

ID (int): Section ID.
NAME (str): Section name.
SHAPE (str): Section shape, defaults to 'PSCI'.
TYPE (str): Type of section, defaults to 'PSC'.
SYMM (bool): Flag indicating if the section is symmetric.
J1, JL1, JL2, JL3, JL4 (bool): Joint connectivity flags for the left side (and right side if symmetric).
JR1, JR2, JR3, JR4 (bool): Joint connectivity flags for the right side (if not symmetric).
OFFSET (Offset): An Offset object defining the section's offset.
USESHEAR (bool): Flag to indicate if shear deformation is considered.
USE7DOF (bool): Flag to indicate if warping effect (7th DOF) is considered.
H1 (float): Height parameter.
HL1, HL2, HL21, HL22, HL3, HL4, HL41, HL42, HL5 (float): Left flange dimensional parameters.
BL1, BL2, BL21, BL22, BL4, BL41, BL42 (float): Left flange dimensional parameters.
HR1, HR2, HR21, HR22, HR3, HR4, HR41, HR42, HR5 (float): Right flange dimensional parameters (values are mirrored from Left if SYMM is True, otherwise independently set).
BR1, BR2, BR21, BR22, BR4, BR41, BR42 (float): Right flange dimensional parameters (values are mirrored from Left if SYMM is True, otherwise independently set).

Examples

Symmetric PSC I-Section

# Symmetric PSC I-Section Example
for i in range(2):
    Node(i*10, 0, 0)
    Node.create()

Element.Beam(1, 2)
Element.create()

# Create Symmetric PSC I-section
Section.PSC.I(
    Name="PSC_I_Symmetric",
    Symm=True,
    Joint=[0,0,0,0,0,0,0,0,0],
    HL1=0.3, HL2=0.5, HL3=1.5, HL4=0.3, HL5=0.3,
    BL1=0.3, BL2=2, BL4=2,
     Offset=Offset.CT(),  # "Center-Top" selected
    useShear=True,       # Shear deformation checkbox is selected
    use7Dof=False,       # Warping effect (7th DOF) not checked
    id=15
)
Section.create()