damper
Module¶
All damper elements are defined in this file. This includes:
- CDAMP1
- CDAMP2
- CDAMP3
- CDAMP4
- CDAMP5
- CVISC
All damper elements are DamperElement and Element objects.
-
class
pyNastran.bdf.cards.elements.damper.
CDAMP1
(eid, pid, nids, c1=0, c2=0, comment='')[source]¶ Bases:
pyNastran.bdf.cards.elements.damper.LineDamper
Creates a CDAMP1 card
Parameters: - eid : int
element id
- pid : int
property id (PDAMP)
- nids : List[int, int]
node ids
- c1 / c2 : int; default=0
DOF for nid1 / nid2
- comment : str; default=’‘
a comment for the card
-
classmethod
add_card
(card, comment='')[source]¶ Adds a CDAMP1 card from
BDF.add_card(...)
Parameters: - card : BDFCard()
a BDFCard object
- comment : str; default=’‘
a comment for the card
-
cross_reference
(self, model)[source]¶ Cross links the card so referenced cards can be extracted directly
Parameters: - model : BDF()
the BDF object
-
node_ids
¶
-
safe_cross_reference
(self, model, xref_errors)[source]¶ Cross links the card so referenced cards can be extracted directly
Parameters: - model : BDF()
the BDF object
-
type
= 'CDAMP1'¶
-
class
pyNastran.bdf.cards.elements.damper.
CDAMP2
(eid, b, nids, c1=0, c2=0, comment='')[source]¶ Bases:
pyNastran.bdf.cards.elements.damper.LineDamper
Creates a CDAMP2 card
Parameters: - eid : int
element id
- b : float
damping
- nids : List[int, int]
SPOINT ids node ids
- c1 / c2 : int; default=0
DOF for nid1 / nid2
- comment : str; default=’‘
a comment for the card
-
classmethod
add_card
(card, comment='')[source]¶ Adds a CDAMP2 card from
BDF.add_card(...)
Parameters: - card : BDFCard()
a BDFCard object
- comment : str; default=’‘
a comment for the card
-
b
= None¶ Value of the scalar damper (Real)
-
c1
= None¶ component number
-
cp_name_map
= {'B': 'b'}¶
-
cross_reference
(self, model)[source]¶ Cross links the card so referenced cards can be extracted directly
Parameters: - model : BDF()
the BDF object
-
node_ids
¶
-
safe_cross_reference
(self, model, xref_errors)[source]¶ Cross links the card so referenced cards can be extracted directly
Parameters: - model : BDF()
the BDF object
-
type
= 'CDAMP2'¶
-
class
pyNastran.bdf.cards.elements.damper.
CDAMP3
(eid, pid, nids, comment='')[source]¶ Bases:
pyNastran.bdf.cards.elements.damper.LineDamper
1 2 3 4 5 CDAMP3 EID PID S1 S2 Creates a CDAMP3 card
Parameters: - eid : int
element id
- pid : int
property id (PDAMP)
- nids : List[int, int]
SPOINT ids
- comment : str; default=’‘
a comment for the card
-
classmethod
add_card
(card, comment='')[source]¶ Adds a CDAMP3 card from
BDF.add_card(...)
Parameters: - card : BDFCard()
a BDFCard object
- comment : str; default=’‘
a comment for the card
-
cross_reference
(self, model)[source]¶ Cross links the card so referenced cards can be extracted directly
Parameters: - model : BDF()
the BDF object
-
node_ids
¶
-
safe_cross_reference
(self, model, xref_errors)[source]¶ Cross links the card so referenced cards can be extracted directly
Parameters: - model : BDF()
the BDF object
-
type
= 'CDAMP3'¶
-
class
pyNastran.bdf.cards.elements.damper.
CDAMP4
(eid, b, nids, comment='')[source]¶ Bases:
pyNastran.bdf.cards.elements.damper.LineDamper
Creates a CDAMP4 card
Parameters: - eid : int
element id
- b : float
damping
- nids : List[int, int]
SPOINT ids
- comment : str; default=’‘
a comment for the card
-
cross_reference
(self, model)[source]¶ Cross links the card so referenced cards can be extracted directly
Parameters: - model : BDF()
the BDF object
-
node_ids
¶
-
safe_cross_reference
(self, model, xref_errors)[source]¶ Cross links the card so referenced cards can be extracted directly
Parameters: - model : BDF()
the BDF object
-
type
= 'CDAMP4'¶
-
class
pyNastran.bdf.cards.elements.damper.
CDAMP5
(eid, pid, nids, comment='')[source]¶ Bases:
pyNastran.bdf.cards.elements.damper.LineDamper
Defines a damping element that refers to a material property entry and connection to grid or scalar points.
Creates a CDAMP5 card
Parameters: - eid : int
element id
- pid : int
property id (PDAMP5)
- nids : List[int, int]
GRID/SPOINT ids
- comment : str; default=’‘
a comment for the card
-
classmethod
add_card
(card, comment='')[source]¶ Adds a CDAMP5 card from
BDF.add_card(...)
Parameters: - card : BDFCard()
a BDFCard object
- comment : str; default=’‘
a comment for the card
-
cross_reference
(self, model)[source]¶ Cross links the card so referenced cards can be extracted directly
Parameters: - model : BDF()
the BDF object
-
node_ids
¶
-
safe_cross_reference
(self, model, xref_errors)[source]¶ Cross links the card so referenced cards can be extracted directly
Parameters: - model : BDF()
the BDF object
-
type
= 'CDAMP5'¶
-
class
pyNastran.bdf.cards.elements.damper.
CVISC
(eid, pid, nids, comment='')[source]¶ Bases:
pyNastran.bdf.cards.elements.damper.LineDamper
Viscous Damper Connection Defines a viscous damper element.
1 2 3 4 5 CVISC EID PID G1 G2 Creates a CVISC card
Parameters: - eid : int
element id
- pid : int
property id (PVISC)
- nids : List[int, int]
GRID ids
- comment : str; default=’‘
a comment for the card
-
classmethod
add_card
(card, comment='')[source]¶ Adds a CVISC card from
BDF.add_card(...)
Parameters: - card : BDFCard()
a BDFCard object
- comment : str; default=’‘
a comment for the card
-
cross_reference
(self, model)[source]¶ Cross links the card so referenced cards can be extracted directly
Parameters: - model : BDF()
the BDF object
-
node_ids
¶
-
repr_fields
(self)[source]¶ Gets the fields in their simplified form
Returns: - fields : List[varies]
the fields that define the card
-
safe_cross_reference
(self, model, xref_errors)[source]¶ Cross links the card so referenced cards can be extracted directly
Parameters: - model : BDF()
the BDF object
-
type
= 'CVISC'¶