dynamic
Module
digraph inheritanced15c602a2c {
bgcolor=transparent;
rankdir=LR;
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"pyNastran.bdf.cards.base_card.BaseCard" [URL="pyNastran.bdf.cards.base_card.html#pyNastran.bdf.cards.base_card.BaseCard",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Defines a series of base methods for every card class"];
"pyNastran.bdf.cards.dynamic.DELAY" [URL="#pyNastran.bdf.cards.dynamic.DELAY",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="+-------+-----+-----------+-----+--------+------+-----+--------+"];
"pyNastran.bdf.cards.base_card.BaseCard" -> "pyNastran.bdf.cards.dynamic.DELAY" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.DPHASE" [URL="#pyNastran.bdf.cards.dynamic.DPHASE",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Defines the phase lead term θ in the equation of the dynamic"];
"pyNastran.bdf.cards.base_card.BaseCard" -> "pyNastran.bdf.cards.dynamic.DPHASE" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.FREQ" [URL="#pyNastran.bdf.cards.dynamic.FREQ",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Defines a set of frequencies to be used in the solution of frequency"];
"pyNastran.bdf.cards.base_card.BaseCard" -> "pyNastran.bdf.cards.dynamic.FREQ" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.FREQ1" [URL="#pyNastran.bdf.cards.dynamic.FREQ1",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Defines a set of frequencies to be used in the solution of frequency"];
"pyNastran.bdf.cards.base_card.BaseCard" -> "pyNastran.bdf.cards.dynamic.FREQ1" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.FREQ2" [URL="#pyNastran.bdf.cards.dynamic.FREQ2",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Defines a set of frequencies to be used in the solution of frequency"];
"pyNastran.bdf.cards.base_card.BaseCard" -> "pyNastran.bdf.cards.dynamic.FREQ2" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.FREQ3" [URL="#pyNastran.bdf.cards.dynamic.FREQ3",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="+-------+-----+------+-------+--------+-----+---------+"];
"pyNastran.bdf.cards.dynamic.FREQ" -> "pyNastran.bdf.cards.dynamic.FREQ3" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.FREQ4" [URL="#pyNastran.bdf.cards.dynamic.FREQ4",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Defines a set of frequencies used in the solution of modal frequency"];
"pyNastran.bdf.cards.dynamic.FREQ" -> "pyNastran.bdf.cards.dynamic.FREQ4" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.FREQ5" [URL="#pyNastran.bdf.cards.dynamic.FREQ5",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Defines a set of frequencies used in the solution of modal"];
"pyNastran.bdf.cards.dynamic.FREQ" -> "pyNastran.bdf.cards.dynamic.FREQ5" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.NLPARM" [URL="#pyNastran.bdf.cards.dynamic.NLPARM",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Defines a set of parameters for nonlinear static analysis iteration"];
"pyNastran.bdf.cards.base_card.BaseCard" -> "pyNastran.bdf.cards.dynamic.NLPARM" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.NLPCI" [URL="#pyNastran.bdf.cards.dynamic.NLPCI",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"];
"pyNastran.bdf.cards.base_card.BaseCard" -> "pyNastran.bdf.cards.dynamic.NLPCI" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.ROTORD" [URL="#pyNastran.bdf.cards.dynamic.ROTORD",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="NX-specific card"];
"pyNastran.bdf.cards.base_card.BaseCard" -> "pyNastran.bdf.cards.dynamic.ROTORD" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.ROTORG" [URL="#pyNastran.bdf.cards.dynamic.ROTORG",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Rotor Grids Selection"];
"pyNastran.bdf.cards.base_card.BaseCard" -> "pyNastran.bdf.cards.dynamic.ROTORG" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.TF" [URL="#pyNastran.bdf.cards.dynamic.TF",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Defines a dynamic transfer function of the form:"];
"pyNastran.bdf.cards.base_card.BaseCard" -> "pyNastran.bdf.cards.dynamic.TF" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.TIC" [URL="#pyNastran.bdf.cards.dynamic.TIC",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Transient Initial Condition"];
"pyNastran.bdf.cards.base_card.BaseCard" -> "pyNastran.bdf.cards.dynamic.TIC" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.TSTEP" [URL="#pyNastran.bdf.cards.dynamic.TSTEP",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Transient Time Step"];
"pyNastran.bdf.cards.base_card.BaseCard" -> "pyNastran.bdf.cards.dynamic.TSTEP" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.TSTEP1" [URL="#pyNastran.bdf.cards.dynamic.TSTEP1",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Transient Time Step"];
"pyNastran.bdf.cards.base_card.BaseCard" -> "pyNastran.bdf.cards.dynamic.TSTEP1" [arrowsize=0.5,style="setlinewidth(0.5)"];
"pyNastran.bdf.cards.dynamic.TSTEPNL" [URL="#pyNastran.bdf.cards.dynamic.TSTEPNL",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Defines parametric controls and data for nonlinear transient structural or"];
"pyNastran.bdf.cards.base_card.BaseCard" -> "pyNastran.bdf.cards.dynamic.TSTEPNL" [arrowsize=0.5,style="setlinewidth(0.5)"];
}
All dynamic control cards are defined in this file. This includes:
FREQ
FREQ1
FREQ2
FREQ3
FREQ4
FREQ5
NLPCI
NLPARM
TSTEP
TSTEP1
TSTEPNL
ROTORG
ROTORD
TIC
TF
All cards are BaseCard objects.
- class pyNastran.bdf.cards.dynamic.DELAY(sid: int, nodes: list[int], components: list[int], delays: list[float], comment: str = '')[source]
Bases:
BaseCard
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3
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8
DELAY
SID
POINT ID1
C1
T1
P2
C2
T2
Creates a DELAY card
- Parameters:
- sidint
DELAY id that is referenced by a TLOADx, RLOADx or ACSRCE card
- nodeslist[int]
list of nodes that see the delay len(nodes) = 1 or 2
- componentslist[int]
the components corresponding to the nodes that see the delay len(nodes) = len(components)
- delayslist[float]
Time delay (tau) for designated point Pi and component Ci len(nodes) = len(delays)
- commentstr; default=’’
a comment for the card
- _properties = ['node_id1', 'node_id2', 'node_ids']
- classmethod add_card(card, comment='')[source]
Adds a DELAY card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- components
Component number. (Integers 1 through 6 for grid points; zero or blank for extra or scalar points)
- cross_reference(model: BDF, xref_errors)[source]
Cross links the card so referenced cards can be extracted directly
- Parameters:
- modelBDF()
the BDF object
- delays
Time delay (tau) for designated point Pi and component Ci. (Real)
- property node_id1
- property node_id2
- property node_ids
- nodes
Grid, extra, or scalar point identification number. (Integer > 0)
- sid
Identification number of DELAY entry. (Integer > 0)
- type = 'DELAY'
- class pyNastran.bdf.cards.dynamic.DPHASE(sid, nodes, components, phase_leads, comment='')[source]
Bases:
BaseCard
Defines the phase lead term θ in the equation of the dynamic loading function.
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3
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8
DPHASE
SID
POINT ID1
C1
TH1
P2
C2
TH2
Creates a DPHASE card
- Parameters:
- sidint
DPHASE id that is referenced by a RLOADx or ACSRCE card
- nodeslist[int]
list of nodes that see the delay len(nodes) = 1 or 2
- componentslist[int]
the components corresponding to the nodes that see the delay len(nodes) = len(components)
- phase_leadslist[float]
Phase lead θ in degrees. len(nodes) = len(delays)
- commentstr; default=’’
a comment for the card
- _properties = ['node_id1', 'node_id2', 'node_ids']
- classmethod add_card(card, comment='')[source]
Adds a DPHASE card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- cross_reference(model: BDF) None [source]
Cross links the card so referenced cards can be extracted directly
- Parameters:
- modelBDF()
the BDF object
- property node_id1
- property node_id2
- property node_ids
- type = 'DPHASE'
- class pyNastran.bdf.cards.dynamic.FREQ(sid, freqs, comment='')[source]
Bases:
BaseCard
Defines a set of frequencies to be used in the solution of frequency response problems.
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3
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7
8
9
FREQ
SID
F1
F2
etc.
Creates a FREQ card
- Parameters:
- sidint
set id referenced by case control FREQUENCY
- freqslist[float]
the frequencies for a FREQx object
- commentstr; default=’’
a comment for the card
- classmethod add_card(card, comment='')[source]
Adds a FREQ card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- add_frequencies(freqs)[source]
Combines the frequencies from 1 FREQx object with another. All FREQi entries with the same frequency set identification numbers will be used. Duplicate frequencies will be ignored.
- Parameters:
- freqslist[float] / (nfreq, ) float ndarray
the frequencies for a FREQx object
- type = 'FREQ'
- class pyNastran.bdf.cards.dynamic.FREQ1(sid, f1, df, ndf=1, comment='')[source]
Bases:
BaseCard
Defines a set of frequencies to be used in the solution of frequency response problems by specification of a starting frequency, frequency increment, and the number of increments desired.
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2
3
4
5
FREQ1
SID
F1
DF
NDF
Note
this card rewrites as a FREQ card
Creates a FREQ1 card
- Parameters:
- sidint
set id referenced by case control FREQUENCY
- f1float
first frequency
- dffloat
frequency increment
- ndfint
number of frequency increments
- commentstr; default=’’
a comment for the card
- classmethod add_card(card: BDFCard, comment: str = '')[source]
Adds a FREQ1 card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- classmethod add_card_lax(card: BDFCard, comment: str = '')[source]
Adds a FREQ1 card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- type = 'FREQ1'
- class pyNastran.bdf.cards.dynamic.FREQ2(sid, f1, f2, nf=1, comment='')[source]
Bases:
BaseCard
Defines a set of frequencies to be used in the solution of frequency response problems by specification of a starting frequency, final frequency, and the number of logarithmic increments desired.
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2
3
4
5
FREQ2
SID
F1
F2
NF
Note
this card rewrites as a FREQ card
Creates a FREQ2 card
- Parameters:
- sidint
set id referenced by case control FREQUENCY
- f1float
first frequency
- f2float
last frequency
- nfint; default=1
number of logorithmic intervals
- commentstr; default=’’
a comment for the card
- classmethod add_card(card, comment='')[source]
Adds a FREQ2 card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- type = 'FREQ2'
- class pyNastran.bdf.cards.dynamic.FREQ3(sid, f1, f2=None, freq_type='LINEAR', nef=10, cluster=1.0, comment='')[source]
Bases:
FREQ
1
2
3
4
5
6
7
FREQ3
SID
F1
F2
TYPE
NEF
CLUSTER
FREQ3
6
20.0
200.0
LINEAR
10
2.0
Creates a FREQ3 card
- Parameters:
- sidint
set id referenced by case control FREQUENCY
- f1float; default=0.0???
Lower bound of frequency range in cycles per unit time.
- f2float; default=1E20???
Upper bound of frequency range in cycles per unit time.
- freq_typestr; default=LINEAR
valid_types={LINEAR, LOG}
- nefint; default=10
???
- clusterfloat; default=1.0
???
- commentstr; default=’’
a comment for the card
- classmethod add_card(card, comment='')[source]
Adds a FREQ3 card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- type = 'FREQ3'
- class pyNastran.bdf.cards.dynamic.FREQ4(sid, f1=0.0, f2=1e+20, fspread=0.1, nfm=3, comment='')[source]
Bases:
FREQ
Defines a set of frequencies used in the solution of modal frequency response problems by specifying the amount of ‘spread’ around each natural frequency and the number of equally spaced excitation frequencies within the spread.
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2
3
4
5
6
7
8
9
FREQ4
SID
F1
F2
FSPD
NFM
Note
this card rewrites as a FREQ card
Todo
not done…
Creates a FREQ4 card
- Parameters:
- sidint
set id referenced by case control FREQUENCY
- f1float; default=0.0
Lower bound of frequency range in cycles per unit time.
- f2float; default=1E20
Upper bound of frequency range in cycles per unit time.
- nfmint; default=3
Number of evenly spaced frequencies per ‘spread’ mode.
- commentstr; default=’’
a comment for the card
- classmethod add_card(card, comment='')[source]
Adds a FREQ4 card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- repr_fields()[source]
Gets the fields in their simplified form
- Returns:
- fieldslist[varies]
the fields that define the card
- type = 'FREQ4'
- class pyNastran.bdf.cards.dynamic.FREQ5(sid, fractions, f1=0.0, f2=1e+20, comment='')[source]
Bases:
FREQ
Defines a set of frequencies used in the solution of modal frequency-response problems by specification of a frequency range and fractions of the natural frequencies within that range.
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2
3
4
5
6
7
8
9
FREQ5
SID
F1
F2
FR1
FR2
FR3
FR4
FR5
FREQ5
6
20.0
2000.0
1.0
0.6
0.8
0.9
0.95
1.05
1.1
1.2
Creates a FREQ5 card
- Parameters:
- sidint
set id referenced by case control FREQUENCY
- f1float; default=0.0
Lower bound of frequency range in cycles per unit time.
- f2float; default=1e20
Upper bound of frequency range in cycles per unit time.
- fractionslist[float]
Fractions of the natural frequencies in the range F1 to F2.
- commentstr; default=’’
a comment for the card
- .. note:: FREQ5 is only valid in modal frequency-response
solutions (SOLs 111, 146, and 200) and is ignored in direct frequency response solutions.
- classmethod add_card(card, comment='')[source]
Adds a FREQ card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- get_frequencies(natural_freq: ndarray) ndarray [source]
#f1 : 20.0 #f2 : 200.0 #fractions : [0.6, 0.8, 0.9, 0.95, 1.0, 1.05, 1.1, 1.2]
- type = 'FREQ5'
- class pyNastran.bdf.cards.dynamic.NLPARM(nlparm_id, ninc=None, dt=0.0, kmethod='AUTO', kstep=5, max_iter=25, conv='PW', int_out='NO', eps_u=0.01, eps_p=0.01, eps_w=0.01, max_div=3, max_qn=None, max_ls=4, fstress=0.2, ls_tol=0.5, max_bisect=5, max_r=20.0, rtol_b=20.0, comment='')[source]
Bases:
BaseCard
Defines a set of parameters for nonlinear static analysis iteration strategy.
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3
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5
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9
NLPARM
ID
NINC
DT
KMETHOD
KSTEP
MAXITER
CONV
INTOUT
ESPU
EPSP
EPSW
MAXDIV
MAXQN
MAXLS
FSTRESS
LSTOL
MAXBIS
MAXR
RTOLB
CONV
Creates an NLPARM card
- Parameters:
- nlparm_idint
NLPARM id; points to the Case Control NLPARM
- ninc :int; default=None
The default ninc changes default based on the solution/element type & params. The default for NINC is 10, except if there is a GAP, Line Contact, Heat Transfer or PARAM,NLTOL,0, in which case the default is 1.
- dtfloat; default=0.0
???
- kmethodstr; default=’AUTO’
???
- kstepint; default=5
???
- max_iterint; default=25
???
- convstr; default=’PW’
???
- int_outstr; default=’NO’
???
- eps_ufloat; default=0.01
???
- eps_pfloat; default=0.01
???
- eps_wfloat; default=0.01
???
- max_divint; default=3
???
- max_qn; default=None -> varies
???
- max_lsint; default=4
???
- fstressfloat; default=0.2
???
- ls_tolfloat; default=0.5
???
- max_bisectint; default=5
max number of bisections
- max_rfloat; default=20.
???
- rtol_bfloat; default=20.
???
- commentstr; default=’’
a comment for the card
- _properties = ['nlparm_id']
- classmethod add_card(card, comment='')[source]
Adds an NLPARM card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- repr_fields()[source]
Gets the fields in their simplified form
- Returns:
- fieldslist[varies]
the fields that define the card
- type = 'NLPARM'
- class pyNastran.bdf.cards.dynamic.NLPCI(nlpci_id, Type='CRIS', minalr=0.25, maxalr=4.0, scale=0.0, desiter=12, mxinc=20, comment='')[source]
Bases:
BaseCard
- _properties = ['nlpci_id']
- classmethod add_card(card, comment='')[source]
Adds an NLPCI card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- repr_fields()[source]
Gets the fields in their simplified form
- Returns:
- fieldslist[varies]
the fields that define the card
- type = 'NLPCI'
- class pyNastran.bdf.cards.dynamic.ROTORD(sid, rstart, rstep, numstep, rids, rsets, rspeeds, rcords, w3s, w4s, rforces, brgsets, refsys='ROT', cmout=0.0, runit='RPM', funit='RPM', zstein='NO', orbeps=1e-06, roprt=0, sync=1, etype=1, eorder=1.0, threshold=0.02, maxiter=10, comment='')[source]
Bases:
BaseCard
NX-specific card
Define Rotor Dynamics Solution Options
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5
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7
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9
ROTORD
SID
RSTART
RSTEP
NUMSTEP
REFSYS
CMOUT
RUNIT
FUNIT
ZSTEIN
ORBEPS
ROTPRT
SYNC
ETYPE
EORDER
THRSHOLD
MAXITER
RID1
RSET1
RSPEED1
RCORD1
W3_1
W4_1
RFORCE1
BRGSET1
RID2
RSET2
RSPEED2
RCORD2
W3_2
W4_2
RFORCE2
BRGSET2
…
RIDi
RSETi
RSPEEDi
RCORDi
W3_i
W4_i
RFORCEi
BRGSETi
…
RID10
RSET10
RSPEED10
RCORD10
W3_10
W4_10
RFORCE10
BRGSET10
1
2
3
4
5
6
7
8
9
ROTORD
998
0.0
250.0
58
fix
-1.0
cps
no
1
11
1
0.0
0.0
1
101
2
12
1
0.0
0.0
102
3
13
1.5
1
0.0
0.0
103
4
14
1.75
1
0.0
0.0
104
5
15
1.75
1
0.0
0.0
105
6
16
1
0.0
0.0
106
7
17
2.0
1
0.0
0.0
107
8
18
2.25
1
0.0
0.0
108
9
19
7.5
1
0.0
0.0
109
10
20
1
0.0
0.0
10
110
Adds a ROTORD card
- Parameters:
- sidint
Set identifier for all rotors. Must be selected in the case control deck by RMETHOD = SID.
- rstartfloat
Starting value of reference rotor speed.
- rstartfloat
Step-size of reference rotor speed. See Remark 3. (Real ≠ 0.0)
- numstepint
Number of steps for reference rotor speed including RSTART.
- ridslist[int]
Identification number of rotor i. (Integer > 0 with RID(i+1) > RIDi; Default = i)
- rsetslist[int]
Refers to the RSETID value on the ROTORG, ROTORB, and ROTSE bulk entries for rotor RIDi. (Integer > 0 or blank if only one rotor)
- rspeedslist[int/float, …, int/float]
float : rotor speeds int : TABLEDi
- rcordslist[int]
???
- w3slist[float]
???
- w4slist[float]
???
- rforceslist[int]
???
- brgsetslist[int]
???
- refsysstr; default=’ROT’
- Reference system
‘FIX’ analysis is performed in the fixed reference system. ‘ROT’ analysis is performed in the rotational reference system.
- cmoutfloat; default=0.0
???
- runitstr; default==’RPM’
???
- funitstr; default==’RPM’,
???
- zsteinstr; default==’NO’
???
- orbepsfloat; default=1.e-6
???
- roprtint; default=0
???
- syncint; default=1
???
- etypeint; default=1
???
- eorderfloat; default=1.0
???
- thresholdfloat; default=0.02
???
- maxiterint; default=10
???
- commentstr; default=’’
a comment for the card
- classmethod add_card(card, comment='')[source]
Adds a ROTORD card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- type = 'ROTORD'
- class pyNastran.bdf.cards.dynamic.ROTORG(sid, nids, comment='')[source]
Bases:
BaseCard
Rotor Grids Selection Selects the grids that define a rotor.
1
2
3
4
5
6
7
8
9
ROTORG
RSETID
G1
G2
G3
G4
G5
G6
G7
ROTORG
14
101
THRU
190
BY
5
46
23
57
82
9
16
201
THRU
255
93
94
95
97
- classmethod add_card(card, comment='')[source]
Adds a ROTORG card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- type = 'ROTORG'
- class pyNastran.bdf.cards.dynamic.TF(sid, nid0, c, b0, b1, b2, nids, components, a, comment='')[source]
Bases:
BaseCard
- Defines a dynamic transfer function of the form:
(B0 + B1 p + B2 *p2)*ud sum(A0_i + A1_i*p + A2_i*p2)*ui = 0
1
2
3
4
5
6
7
8
9
TF
SID
GD
CD
B0
B1
B2
G_1
C_1
A0_1
A1_1
A2_1
etc.
- classmethod add_card(card, comment='')[source]
Adds a TF card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- type = 'TF'
- class pyNastran.bdf.cards.dynamic.TIC(sid, nodes, components, u0=0.0, v0=0.0, comment='')[source]
Bases:
BaseCard
Transient Initial Condition
Defines values for the initial conditions of variables used in structural transient analysis. Both displacement and velocity values may be specified at independent degrees-of-freedom. This entry may not be used for heat transfer analysis.
Creates a TIC card
- Parameters:
- sidint
Case Control IC id
- nodesint / list[int]
the nodes to which apply the initial conditions
- componentsint / list[int]
the DOFs to which apply the initial conditions
- u0float / list[float]
Initial displacement.
- v0float / list[float]
Initial velocity.
- commentstr; default=’’
a comment for the card
- _properties = ['node_ids']
- classmethod add_card(card, comment='')[source]
Adds a TIC card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- property node_ids
- type = 'TIC'
- class pyNastran.bdf.cards.dynamic.TSTEP(sid, N, DT, NO, comment='')[source]
Bases:
BaseCard
Transient Time Step Defines time step intervals at which a solution will be generated and output in transient analysis.
1
2
3
4
5
6
7
8
9
TSTEP
SID
N1
DT1
NO1
N2
DT2
NO2
etc.
1
2
3
4
5
6
7
8
9
TSTEP
101
9000
.001
9000
1000
.001
1
Creates a TSTEP card
- Parameters:
- sidint
the time step id
- Nlist[int/None]
List of number of time steps for each step section.
- DTlist[float/None]
List of time steps for each step section.
- NOlist[int/None]
List of step frequency for each step section. Every N steps, results will be printed.
- commentstr; default=’’
a comment for the card
- DT
Time increment (float)
- N
Number of time steps of value DTi. (Integer > 1)
- NO
Skip factor for output. Every NOi-th step will be saved for output (default=1)
- classmethod add_card(card, comment='')[source]
Adds a TSTEP card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- repr_fields()[source]
Gets the fields in their simplified form
- Returns:
- fieldslist[varies]
the fields that define the card
- type = 'TSTEP'
- class pyNastran.bdf.cards.dynamic.TSTEP1(sid, tend, ninc, nout, comment='')[source]
Bases:
BaseCard
Transient Time Step Defines time step intervals at which a solution will be generated and output in transient analysis.
1
2
3
4
5
6
7
8
9
TSTEP1
SID
TEND1
NINC1
NOUT1
TEND2
NINC2
NOUT2
etc.
1
2
3
4
5
6
7
8
9
TSTEP1
1
10.0
5
2
50.0
4
3
100
2
ALL
Creates a TSTEP1 card
- Parameters:
- sidint
the time step id
- tendlist[float/None]
???
- ninclist[int/None]
???
- noutlist[int/str/None]
???
- commentstr; default=’’
a comment for the card
- classmethod add_card(card, comment='')[source]
Adds a TSTEP1 card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- repr_fields()[source]
Gets the fields in their simplified form
- Returns:
- fieldslist[varies]
the fields that define the card
- type = 'TSTEP1'
- class pyNastran.bdf.cards.dynamic.TSTEPNL(sid, ndt, dt, no, method='ADAPT', kstep=None, max_iter=10, conv='PW', eps_u=0.01, eps_p=0.001, eps_w=1e-06, max_div=2, max_qn=10, max_ls=2, fstress=0.2, max_bisect=5, adjust=5, mstep=None, rb=0.6, max_r=32.0, utol=0.1, rtol_b=20.0, min_iter=None, comment='')[source]
Bases:
BaseCard
Defines parametric controls and data for nonlinear transient structural or heat transfer analysis. TSTEPNL is intended for SOLs 129, 159, and 600. Parameters for Nonlinear Transient Analysis.
MSC 2005.2 +———+———+——–+——-+——–+——–+——-+———+——+ | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | +=========+=========+========+=======+========+========+=======+=========+======+ | TSTEPNL | ID | NDT | DT | NO | METHOD | KSTEP | MAXITER | CONV | +———+———+——–+——-+——–+——–+——-+———+——+ | | ESPU | EPSP | EPSW | MAXDIV | MAXQN | MAXLS | FSTRESS | | +———+———+——–+——-+——–+——–+——-+———+——+ | | MAXBIS | ADJUST | MSTEP | RB | MAXR | UTOL | RTOLB | | +———+———+——–+——-+——–+——–+——-+———+——+
NX 2019.2 +———+———+——–+——-+——–+——–+——-+———+——+ | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | +=========+=========+========+=======+========+========+=======+=========+======+ | TSTEPNL | ID | NDT | DT | NO | METHOD | KSTEP | MAXITER | CONV | +———+———+——–+——-+——–+——–+——-+———+——+ | | ESPU | EPSP | EPSW | MAXDIV | MAXQN | MAXLS | FSTRESS | | +———+———+——–+——-+——–+——–+——-+———+——+ | | MAXBIS | ADJUST | MSTEP | RB | MAXR | UTOL | RTOLB | | +———+———+——–+——-+——–+——–+——-+———+——+ | | KUPDATE | | | | | | | | +———+———+——–+——-+——–+——–+——-+———+——+
method = None for NX, but apparently TSTEP as well, which is not in the QRG
Creates a TSTEPNL card
- Parameters:
- sidint
the time step id
- ndtint
???
- dtfloat
???
- noint
???
- methodstr
??? MSC = {AUTO, ITER, ADAPT, SEMI, FNT, PFNT} NX = {None, TSTEP}
- kstep???; default=None
???
- max_iterint; default=10
???
- convstr; default=’PW’
??? PW, W, U
- eps_ufloat; default=1.e-2
???
- eps_pfloat; default=1.e-3
???
- eps_wfloat; default=1.e-6
???
- max_divint; default=2
???
- max_qnint; default=10
???
- max_lsint; default=2
???
- fstressfloat; default=0.2
???
- max_bisectint; default=5
???
- adjustint; default=5
???
- mstepint; default=None
???
- rbfloat; default=0.6
???
- max_r = float; default=32.
???
- utol = float; default=0.1
???
- rtol_b = float; default=20.
???
- min_iterint; default=None
not listed in all QRGs
- commentstr; default=’’
a comment for the card
- classmethod add_card(card, comment='')[source]
Adds a TSTEPNL card from
BDF.add_card(...)
- Parameters:
- cardBDFCard()
a BDFCard object
- commentstr; default=’’
a comment for the card
- allowed_methods = ['AUTO', 'ITER', 'ADAPT', 'SEMI', 'FNT', 'PFNT', 'TSTEP']
- repr_fields()[source]
Gets the fields in their simplified form
- Returns:
- fieldslist[varies]
the fields that define the card
- type = 'TSTEPNL'