CN108073758A - A kind of Transmission Tower-line wind-induced vibration response emulation mode and device - Google Patents
A kind of Transmission Tower-line wind-induced vibration response emulation mode and device Download PDFInfo
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Abstract
The invention discloses a kind of Transmission Tower-line wind-induced vibration response emulation mode and devices, it solves existing wind-induced vibration response emulation mode and does not consider that multitower models, the corner problem of power transmission tower in space is not considered yet, and, the technical issues of process that wind load manually calculates is cumbersome, and caused those skilled in the art need to provide a kind of Transmission Tower-line wind-induced vibration response emulation mode.
Description
Technical field
The present invention relates to electric analog field more particularly to a kind of Transmission Tower-line wind-induced vibration response emulation mode and dresses
It puts.
Background technology
With the rapid development of computer technology, numerical computations are widely used, substantial amounts of engineering calculation analysis software
It comes into being, but the software that can carry out Transmission Tower System wind-induced vibration response analysis is less, and, power transmission tower tower is various multiple
Miscellaneous, rod piece spatial relationship is complicated.
Existing wind-induced vibration response emulation mode does not consider that multitower models, and does not consider turn of power transmission tower in space yet
Angle problem, and, the process that wind load manually calculates is cumbersome, and resulting in those skilled in the art needs to provide a kind of Transmission Tower-line wind
The technical issues of causing vibratory response emulation mode.
The content of the invention
The present invention provides a kind of Transmission Tower-line wind-induced vibration response emulation mode and device, for solving existing charming appearance and behaviour
Vibratory response emulation mode does not consider that multitower models, and does not consider the corner problem of power transmission tower in space yet, and, wind load people
The process that work calculates is cumbersome, and caused those skilled in the art need to provide a kind of Transmission Tower-line wind-induced vibration response emulation mode
The technical issues of.
A kind of Transmission Tower-line wind-induced vibration response emulation mode provided by the invention, including：
Determine the corresponding power transmission tower bar element type of at least two power transmission towers, the corresponding power transmission tower bar material of power transmission tower
Type and the corresponding power transmission tower bar cross section shape of power transmission tower；
Establish the corresponding local coordinate of the power transmission tower；
Determine the power transmission tower tower and respectively with the transmission of electricity column foot of the power transmission tower, transmission of electricity tower body and transmission of electricity tower head pair
The first parameter answered, and spliced the power transmission tower bar element according to the tower and first parameter, establish institute
The line model of power transmission tower is stated, wherein, the tower includes：Dry word tower, cat-head transmission tower and wineglass tower；
Determine the position coordinates of the pin point of the corresponding transmission of electricity column foot of line model of the power transmission tower；
The corresponding power transmission tower bar element attribute of line model, the line model pair with the power transmission tower for determining the power transmission tower
Power transmission tower bar material attribute, power transmission tower bar cross section attribute corresponding with the line model of the power transmission tower and the transmission of electricity answered
The mesh generation precision of the line model of tower, and grid is carried out to the line model of the power transmission tower according to the mesh generation precision and is drawn
Divide, establish the finite element model of the power transmission tower；
Determine the transmission of electricity being connected in the second parameter of power transmission line and the finite element model of the power transmission tower with the power transmission line
Line endpoints, and corresponding power transmission tower-power transmission line coupling model is established according to second parameter and transmission of electricity line endpoints of power transmission line；
Determine the wind lotus for applying the node of wind load in power transmission tower-power transmission line coupling model and being applied on the node
The load direction of load；
Determine the parameters of loading and structural parameters of the wind load, the parameters of loading includes：Wind load generation quantity, wind
Loading frequency sampling number, the upper limiting frequency of wind load, initial point height, surface roughness, roughness value, initial point are average
Wind speed and wind speed time interval；
According to the parameters of loading of the wind load and structural parameters generation wind load time-history data；
According to the parameters of loading of the wind load and structural parameters generation simulated wind load data.
Preferably, described and second parameter according to power transmission line and transmission of electricity line endpoints establish corresponding power transmission tower-defeated
Electric wire coupling model：
The rope Horizontal Tension convergence precision of power transmission line is determined, according to the convergence precision, second parameter of power transmission line
With transmission of electricity line endpoints, power transmission line is carried out by Direct Iterative Method shape is looked for operate, establish power transmission tower-power transmission line coupling model.
Preferably, apply the node of wind load in the definite power transmission tower-power transmission line coupling model and be applied to described
The load direction of wind load on node includes：
Determine the node of application wind load in power transmission tower-power transmission line coupling model, it is true according to the power transmission tower local coordinate
Surely it is applied to the load direction of the wind load on the node.
Preferably, it is described to be included according to the parameters of loading and structural parameters of the wind load generation wind load time-history data：
According to the parameters of loading of the wind load and structural parameters generation wind load power spectral density matrix, according to the wind
Load power spectral density matrix generates wind load time-history data by harmonic and reactive detection method.
Preferably, it is described to be included according to the parameters of loading and structural parameters of the wind load generation simulated wind load data：
According to the parameters of loading of the wind load and structural parameters generation wind load power spectral density matrix, according to the wind
Progress linear combination obtains simulated wind load data after load power spectral density matrix carries out LDLT decomposition.
A kind of Transmission Tower-line wind-induced vibration response simulator provided by the invention, including：
First determining module, for determining the corresponding power transmission tower bar element type of at least two power transmission towers, power transmission tower pair
The corresponding power transmission tower bar cross section shape of power transmission tower bar material type and power transmission tower answered；
First establishes module, for establishing the corresponding local coordinate of the power transmission tower；
Second determining module determines the tower and transmission of electricity column foot, the power transmission tower with the power transmission tower respectively of the power transmission tower
Body the first parameter corresponding with transmission of electricity tower head；
Second establishes module, for being spelled the power transmission tower bar element according to the tower and first parameter
It connects, establishes the line model of the power transmission tower, wherein, the tower includes：Dry word tower, cat-head transmission tower and wineglass tower；
3rd determining module, the position for determining the pin point of the corresponding transmission of electricity column foot of the line model of the power transmission tower are sat
Mark；
4th determining module, for determining the corresponding power transmission tower bar element attribute of the line model of the power transmission tower and institute
State the corresponding power transmission tower bar material attribute of line model of power transmission tower, power transmission tower rod piece corresponding with the line model of the power transmission tower
The mesh generation precision of the line model of section attribute and the power transmission tower；
3rd establishes module, is drawn for carrying out grid to the line model of the power transmission tower according to the mesh generation precision
Divide, establish the finite element model of the power transmission tower；
5th determining module, for determine in the finite element model of the second parameter of power transmission line and the power transmission tower with it is described
The transmission of electricity line endpoints of power transmission line connection；
4th establishes module, and corresponding transmission of electricity is established for second parameter according to power transmission line and transmission of electricity line endpoints
Tower-power transmission line coupling model；
6th determining module, for determining to apply node and the application of wind load in power transmission tower-power transmission line coupling model
The load direction of wind load on the node；
7th determining module, for determining the parameters of loading of the wind load and structural parameters, the parameters of loading includes：
It is wind load generation quantity, wind load frequency sampling points, the upper limiting frequency of wind load, initial point height, surface roughness, coarse
Spend coefficient, initial point mean wind speed and wind speed time interval；
First generation module, for the parameters of loading according to the wind load and structural parameters generation wind load time-history number
According to；
Second generation module, for the parameters of loading according to the wind load and structural parameters generation simulated wind load number
According to.
Preferably, the described 4th establish module and be specifically used for：
The rope Horizontal Tension convergence precision of power transmission line is determined, according to the convergence precision, second parameter of power transmission line
With transmission of electricity line endpoints, power transmission line is carried out by Direct Iterative Method shape is looked for operate, establish power transmission tower-power transmission line coupling model.
Preferably, the 6th determining module is specifically used for：
Determine the node of application wind load in power transmission tower-power transmission line coupling model, it is true according to the power transmission tower local coordinate
Surely it is applied to the load direction of the wind load on the node.
Preferably, first generation module is specifically used for：
According to the parameters of loading of the wind load and structural parameters generation wind load power spectral density matrix, according to the wind
Load power spectral density matrix generates wind load time-history data by harmonic and reactive detection method.
Preferably, second generation module is specifically used for：
According to the parameters of loading of the wind load and structural parameters generation wind load power spectral density matrix, according to the wind
Progress linear combination obtains simulated wind load data after load power spectral density matrix carries out LDLT decomposition.
As can be seen from the above technical solutions, the present invention has the following advantages：
A kind of Transmission Tower-line wind-induced vibration response emulation mode provided by the invention, including：Determine at least two power transmission towers
Corresponding power transmission tower bar element type, the corresponding power transmission tower bar material type of power transmission tower and the corresponding transmission of electricity of power transmission tower
Tower bar part cross sectional shape；Establish the corresponding local coordinate of the power transmission tower；Determine the power transmission tower tower and respectively with it is described
Transmission of electricity column foot, transmission of electricity tower body the first parameter corresponding with transmission of electricity tower head of power transmission tower, and according to the tower and first ginseng
Number splices the power transmission tower bar element, establishes the line model of the power transmission tower, wherein, the tower includes：Dry word
Tower, cat-head transmission tower and wineglass tower；Determine the position coordinates of the pin point of the corresponding transmission of electricity column foot of line model of the power transmission tower；Determine institute
State the corresponding power transmission tower bar element attribute of line model of power transmission tower, power transmission tower rod piece corresponding with the line model of the power transmission tower
The net of the line model of material properties, power transmission tower bar cross section attribute corresponding with the line model of the power transmission tower and the power transmission tower
Lattice dividing precision, and mesh generation is carried out to the line model of the power transmission tower according to the mesh generation precision, it establishes described defeated
The finite element model of pylon；It determines with the power transmission line to connect in the second parameter of power transmission line and the finite element model of the power transmission tower
The transmission of electricity line endpoints connect, and corresponding power transmission tower-power transmission line is established according to second parameter and transmission of electricity line endpoints of power transmission line
Coupling model；Determine the wind for applying the node of wind load in power transmission tower-power transmission line coupling model and being applied on the node
The load direction of load；Determine the parameters of loading and structural parameters of the wind load, the parameters of loading includes：Wind load generates
Quantity, wind load frequency sampling points, the upper limiting frequency of wind load, initial point height, surface roughness, roughness value, just
Initial point mean wind speed and wind speed time interval；According to the parameters of loading of the wind load and structural parameters generation wind load time-history number
According to；According to the parameters of loading of the wind load and structural parameters generation simulated wind load data.
In the present invention, by establish corresponding with power transmission tower local coordinate and the corresponding power transmission tower of at least two power transmission towers-
Power transmission line coupling model, and utilize parameters of loading and structural parameters the generation wind load time-history data and wind load time-history of wind load
Data solve existing wind-induced vibration response emulation mode and do not consider that multitower models, also do not consider power transmission tower in space
Corner problem, and, the process that wind load manually calculates is cumbersome, and caused those skilled in the art need to provide a kind of power transmission tower
The technical issues of line wind-induced vibration response emulation mode.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 shows for a kind of flow of one embodiment of Transmission Tower-line wind-induced vibration response emulation mode provided by the invention
It is intended to；
Fig. 2 is a kind of flow of another embodiment of Transmission Tower-line wind-induced vibration response emulation mode provided by the invention
Schematic diagram；
Fig. 3 is that an a kind of simulation software of Transmission Tower-line wind-induced vibration response emulation mode provided by the invention operates boundary
Face schematic diagram；
Fig. 4 is that an a kind of simulation software of Transmission Tower-line wind-induced vibration response emulation mode provided by the invention operates boundary
Face schematic diagram；
Fig. 5 is that an a kind of simulation software of Transmission Tower-line wind-induced vibration response emulation mode provided by the invention operates boundary
Face schematic diagram；
Fig. 6 shows for a kind of structure of one embodiment of Transmission Tower-line wind-induced vibration response simulator provided by the invention
It is intended to.
Specific embodiment
An embodiment of the present invention provides a kind of Transmission Tower-line wind-induced vibration response emulation mode and devices, solve existing
Wind-induced vibration response emulation mode does not consider that multitower models, and does not consider the corner problem of power transmission tower in space yet, and, wind lotus
The process that manned work calculates is cumbersome, and caused those skilled in the art need to provide a kind of Transmission Tower-line wind-induced vibration response emulation
The technical issues of method.
Goal of the invention, feature, advantage to enable the present invention is more apparent and understandable, below in conjunction with the present invention
Attached drawing in embodiment is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that disclosed below
Embodiment be only part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
All other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention
Scope.
Referring to Fig. 1, a kind of Transmission Tower-line wind-induced vibration response emulation mode provided in an embodiment of the present invention, including：
101：Determine the corresponding power transmission tower bar element type of at least two power transmission towers, the corresponding power transmission tower rod piece of power transmission tower
Material type and the corresponding power transmission tower bar cross section shape of power transmission tower；
102：Establish the corresponding local coordinate of power transmission tower；
103：Determine power transmission tower tower and respectively with the transmission of electricity column foot of power transmission tower, transmission of electricity tower body and transmission of electricity tower head it is corresponding
First parameter, and spliced power transmission tower bar element according to tower and the first parameter, the line model of power transmission tower is established,
In, tower includes：Dry word tower, cat-head transmission tower and wineglass tower；
It should be noted that the first parameter can be：The Transmission Towers parameter such as power transmission tower pin pitch, tower height.
104：Determine the position coordinates of the pin point of the corresponding transmission of electricity column foot of line model of power transmission tower；
105：Determine the corresponding power transmission tower bar element attribute of line model, corresponding with the line model of power transmission tower of power transmission tower
The line model of power transmission tower bar material attribute, power transmission tower bar cross section attribute corresponding with the line model of power transmission tower and power transmission tower
Mesh generation precision, and mesh generation is carried out to the line model of power transmission tower according to mesh generation precision, establish the limited of power transmission tower
Meta-model；
106：Determine the transmission of electricity line end being connected in the second parameter of power transmission line and the finite element model of power transmission tower with power transmission line
Point, and corresponding power transmission tower-power transmission line coupling model is established according to the second parameter and transmission of electricity line endpoints of power transmission line；
It should be noted that power transmission line can be but not limited to reinforcing bar aluminum stranded conductor, the second parameter of power transmission line can be：It is defeated
Wire length, line density, the elasticity modulus of power transmission line and transmission of electricity linear diameter etc..
107：Determine the wind lotus for applying the node of wind load in power transmission tower-power transmission line coupling model and being applied on node
The load direction of load；
108：Determine the parameters of loading and structural parameters of wind load, parameters of loading includes：Wind load generation quantity, wind load
Frequency sampling points, the upper limiting frequency of wind load, initial point height, surface roughness, roughness value, initial point mean wind speed
With wind speed time interval；
It should be noted that simulation wind number, be user according to engineering or other needs, a wind load to be generated
Number, frequency sampling points represent wind load numerical simulation and come out result to be made of how many a points, upper limiting frequency be used for according to
The demand at family, generates the wind load in the frequency range, and initial point height is used to solve the basic value of arbitrary wind speed height, ground
Roughness is used to calculate the parameter of roughed wind speed, and roughness value is used to calculate the parameter of mean wind speed, initial point mean wind speed
Mean wind speed at corresponding wind speed height, wind speed time interval are wind load numerical simulation point time interval.
109：According to the parameters of loading of wind load and structural parameters generation wind load time-history data；
110：According to the parameters of loading of wind load and structural parameters generation simulated wind load data.
A kind of Transmission Tower-line wind-induced vibration response emulation mode provided in an embodiment of the present invention, including：Determine at least two
The corresponding power transmission tower bar element type of power transmission tower, the corresponding power transmission tower bar material type of power transmission tower and power transmission tower correspond to
Power transmission tower bar cross section shape；Establish the corresponding local coordinate of power transmission tower；Determine power transmission tower tower and respectively with power transmission tower
Transmission of electricity column foot, transmission of electricity tower body and corresponding first parameter of transmission of electricity tower head, and according to tower and the first parameter by power transmission tower rod piece
Unit is spliced, and establishes the line model of power transmission tower, wherein, tower includes：Dry word tower, cat-head transmission tower and wineglass tower；Determine transmission of electricity
The position coordinates of the pin point of the corresponding transmission of electricity column foot of line model of tower；Determine the corresponding power transmission tower rod piece list of line model of power transmission tower
Meta-attribute, power transmission tower bar material attribute corresponding with the line model of power transmission tower, power transmission tower corresponding with the line model of power transmission tower
The mesh generation precision of the line model of bar cross section attribute and power transmission tower, and according to mesh generation precision to the line model of power transmission tower
Mesh generation is carried out, establishes the finite element model of power transmission tower；Determine the second parameter of power transmission line and the finite element model of power transmission tower
In the transmission of electricity line endpoints that are connected with power transmission line, and corresponding transmission of electricity is established according to the second parameter and transmission of electricity line endpoints of power transmission line
Tower-power transmission line coupling model；It determines to apply the node of wind load in power transmission tower-power transmission line coupling model and be applied on node
Wind load load direction；Determine the parameters of loading and structural parameters of wind load, parameters of loading includes：Wind load generates number
It is amount, wind load frequency sampling points, the upper limiting frequency of wind load, initial point height, surface roughness, roughness value, initial
Point mean wind speed and wind speed time interval；According to the parameters of loading of wind load and structural parameters generation wind load time-history data；Root
Simulated wind load data are generated according to the parameters of loading and structural parameters of wind load, by establishing local coordinate corresponding with power transmission tower
Power transmission tower corresponding at least two power transmission towers-power transmission line coupling model, and utilize the parameters of loading and structural parameters of wind load
Generate wind load time-history data and wind load time-history data, solve existing wind-induced vibration response emulation mode do not consider it is more
Tower models, and does not also consider the corner problem of power transmission tower in space, and, the process that wind load manually calculates is cumbersome, caused sheet
The technical issues of field technology personnel need to provide a kind of Transmission Tower-line wind-induced vibration response emulation mode.
The above are a kind of descriptions of one embodiment progress to Transmission Tower-line wind-induced vibration response emulation mode, below will
A kind of another embodiment of Transmission Tower-line wind-induced vibration response emulation mode is described in detail.
Referring to Fig. 2, a kind of Transmission Tower-line wind-induced vibration response emulation mode provided in an embodiment of the present invention, including：
201：Determine the corresponding power transmission tower bar element type of at least two power transmission towers, the corresponding power transmission tower rod piece of power transmission tower
Material type and the corresponding power transmission tower bar cross section shape of power transmission tower；
202：Establish the corresponding local coordinate of power transmission tower；
203：Determine power transmission tower tower and respectively with the transmission of electricity column foot of power transmission tower, transmission of electricity tower body and transmission of electricity tower head it is corresponding
First parameter, and spliced power transmission tower bar element according to tower and the first parameter, the line model of power transmission tower is established,
In, tower includes：Dry word tower, cat-head transmission tower and wineglass tower；
In specific implementation process, the structure operation of line model can be carried out by simulation software ANSYS, refer to Fig. 3
And the line model that Fig. 4, Fig. 3 are wineglass tower builds schematic diagram, Fig. 4 is that the line model of dry word tower builds schematic diagram.
204：Determine the position coordinates of the pin point of the corresponding transmission of electricity column foot of line model of power transmission tower；
205：Determine the corresponding power transmission tower bar element attribute of line model, corresponding with the line model of power transmission tower of power transmission tower
The line model of power transmission tower bar material attribute, power transmission tower bar cross section attribute corresponding with the line model of power transmission tower and power transmission tower
Mesh generation precision, and mesh generation is carried out to the line model of power transmission tower according to mesh generation precision, establish the limited of power transmission tower
Meta-model；
206：Determine the transmission of electricity line end being connected in the second parameter of power transmission line and the finite element model of power transmission tower with power transmission line
Point determines the rope Horizontal Tension convergence precision of power transmission line, according to convergence precision, the second parameter of power transmission line and transmission of electricity line endpoints,
Power transmission line is carried out by Direct Iterative Method shape is looked for operate, establish power transmission tower-power transmission line coupling model；
In specific implementation process, power transmission line looks for shape operation that can be carried out by simulation software ANSYS, refer to Fig. 5,
Fig. 5 looks for shape operation chart for power transmission line.
207：Determine the node of application wind load in power transmission tower-power transmission line coupling model, it is true according to power transmission tower local coordinate
Surely it is applied to the load direction of the wind load on node；
208：Determine the parameters of loading and structural parameters of wind load, parameters of loading includes：Wind load generation quantity, wind load
Frequency sampling points, the upper limiting frequency of wind load, initial point height, surface roughness, roughness value, initial point mean wind speed
With wind speed time interval；
In specific implementation process, the parameters of loading and structural parameters of wind load can pass through simulation software MATLAB module
The input of parameter is carried out, refer to Fig. 3, Fig. 3 is the setting input of the parameters of loading and structural parameters of wind load in MATLAB
Interface, interface are when wind load generation quantity is 10, wind load frequency sampling points are 1024, the upper limiting frequency of wind load is
6.28th, initial point height is 10, surface roughness 0.03, roughness value 0.16, initial point mean wind speed are 10 and wind
Setting interface when fast time interval is 0.5, user need to input the data in corresponding form, and the number of columns in data form can
To be to carry out corresponding variation according to wind load parameter input the inside " simulation wind number ", for example, determining 2 simulations of generation
Wind inputs 2, you can obtain corresponding form at " simulation wind number ".
209：According to the parameters of loading of wind load and structural parameters generation wind load power spectral density matrix, according to wind load
Power spectral density matrix generates wind load time-history data by harmonic and reactive detection method；
210：According to the parameters of loading of wind load and structural parameters generation wind load power spectral density matrix, according to wind load
Progress linear combination obtains simulated wind load data after power spectral density matrix carries out LDLT decomposition.
The above are the description to a kind of progress of another embodiment of Transmission Tower-line wind-induced vibration response emulation mode, below
A kind of one embodiment of Transmission Tower-line wind-induced vibration response simulator will be described in detail.
Referring to Fig. 6, a kind of Transmission Tower-line wind-induced vibration response simulator provided in an embodiment of the present invention, including：
First determining module 601, for determining the corresponding power transmission tower bar element type of at least two power transmission towers, power transmission tower
Corresponding power transmission tower bar material type and the corresponding power transmission tower bar cross section shape of power transmission tower；
First establishes module 602, for establishing the corresponding local coordinate of power transmission tower；
Second determining module 603, determine power transmission tower tower and respectively with the transmission of electricity column foot of power transmission tower, transmission of electricity tower body and defeated
Corresponding first parameter of pylon；
Second establishes module 604, for being spliced power transmission tower bar element according to tower and the first parameter, establishes defeated
The line model of pylon, wherein, tower includes：Dry word tower, cat-head transmission tower and wineglass tower；
3rd determining module 605, for determining the position coordinates of the pin point of the corresponding transmission of electricity column foot of the line model of power transmission tower；
4th determining module 606, for determining the corresponding power transmission tower bar element attribute of the line model of power transmission tower, with transmitting electricity
The corresponding power transmission tower bar material attribute of line model of tower, power transmission tower bar cross section attribute corresponding with the line model of power transmission tower and
The mesh generation precision of the line model of power transmission tower；
3rd establishes module 607, for carrying out mesh generation to the line model of power transmission tower according to mesh generation precision, establishes
The finite element model of power transmission tower；
5th determining module 608, for determine in the finite element model of the second parameter of power transmission line and power transmission tower with transmission of electricity
The transmission of electricity line endpoints of line connection；
4th establishes module 609, for the second parameter according to power transmission line and transmission of electricity line endpoints establish corresponding power transmission tower-
Power transmission line coupling model；
6th determining module 610, for determining to apply in power transmission tower-power transmission line coupling model the node of wind load and applying
It is added in the load direction of the wind load on node；
7th determining module 611, for determining the parameters of loading of wind load and structural parameters, parameters of loading includes：Wind lotus
Carry generation quantity, wind load frequency sampling points, the upper limiting frequency of wind load, initial point height, surface roughness, roughness system
Number, initial point mean wind speed and wind speed time interval；
First generation module 612, for the parameters of loading according to wind load and structural parameters generation wind load time-history data；
Second generation module 613, for the parameters of loading according to wind load and structural parameters generation simulated wind load data.
In several embodiments provided herein, it should be understood that disclosed apparatus and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the module, only
Only a kind of division of logic function can have other dividing mode in actual implementation, such as multiple module or components can be tied
It closes or is desirably integrated into another system or some features can be ignored or does not perform.It is another, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be the INDIRECT COUPLING or logical by some interfaces, device or module
Letter connection can be electrical, machinery or other forms.
The module illustrated as separating component may or may not be physically separate, be shown as module
The component shown may or may not be physical module, you can be located at a place or can also be distributed to multiple
On network module.Some or all of module therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each function module in each embodiment of the present invention can be integrated in a processing module, it can also
That modules are individually physically present, can also two or more modules be integrated in a module.Above-mentioned integrated mould
The form that hardware had both may be employed in block is realized, can also be realized in the form of software function module.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or carry out equivalent substitution to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is not made to depart from the spirit and scope of various embodiments of the present invention technical solution.
Claims (10)
1. a kind of Transmission Tower-line wind-induced vibration response emulation mode, feature are, including：
Determine the corresponding power transmission tower bar element type of at least two power transmission towers, the corresponding power transmission tower bar material class of power transmission tower
Type and the corresponding power transmission tower bar cross section shape of power transmission tower；
Establish the corresponding local coordinate of the power transmission tower；
Determine the power transmission tower tower and respectively with the transmission of electricity column foot of the power transmission tower, transmission of electricity tower body and transmission of electricity tower head it is corresponding
First parameter, and spliced the power transmission tower bar element according to the tower and first parameter, it establishes described defeated
The line model of pylon, wherein, the tower includes：Dry word tower, cat-head transmission tower and wineglass tower；
Determine the position coordinates of the pin point of the corresponding transmission of electricity column foot of line model of the power transmission tower；
Determine the corresponding power transmission tower bar element attribute of line model, corresponding with the line model of the power transmission tower of the power transmission tower
Power transmission tower bar material attribute, power transmission tower bar cross section attribute corresponding with the line model of the power transmission tower and the power transmission tower
The mesh generation precision of line model, and mesh generation is carried out to the line model of the power transmission tower according to the mesh generation precision,
Establish the finite element model of the power transmission tower；
Determine the transmission of electricity line end being connected in the second parameter of power transmission line and the finite element model of the power transmission tower with the power transmission line
Point, and corresponding power transmission tower-power transmission line coupling model is established according to second parameter and transmission of electricity line endpoints of power transmission line；
Determine the wind load for applying the node of wind load in power transmission tower-power transmission line coupling model and being applied on the node
Load direction；
Determine the parameters of loading and structural parameters of the wind load, the parameters of loading includes：Wind load generation quantity, wind load
Frequency sampling points, the upper limiting frequency of wind load, initial point height, surface roughness, roughness value, initial point mean wind speed
With wind speed time interval；
According to the parameters of loading of the wind load and structural parameters generation wind load time-history data；
According to the parameters of loading of the wind load and structural parameters generation simulated wind load data.
2. Transmission Tower-line wind-induced vibration response emulation mode according to claim 1, which is characterized in that described and according to defeated
Second parameter and transmission of electricity line endpoints of electric wire establish corresponding power transmission tower-power transmission line coupling model：
The rope Horizontal Tension convergence precision of power transmission line is determined, according to the convergence precision, second parameter of power transmission line and defeated
Electric wire endpoint carries out power transmission line by Direct Iterative Method shape is looked for operate, establishes power transmission tower-power transmission line coupling model.
3. Transmission Tower-line wind-induced vibration response emulation mode according to claim 2, which is characterized in that the definite transmission of electricity
The node and the load direction bag for the wind load being applied on the node for applying wind load in tower-power transmission line coupling model
It includes：
It determines the node of application wind load in power transmission tower-power transmission line coupling model, determines to apply according to the power transmission tower local coordinate
It is added in the load direction of the wind load on the node.
4. Transmission Tower-line wind-induced vibration response emulation mode according to claim 3, which is characterized in that described in the basis
Parameters of loading and structural parameters generation the wind load time-history data of wind load include：
According to the parameters of loading of the wind load and structural parameters generation wind load power spectral density matrix, according to the wind load
Power spectral density matrix generates wind load time-history data by harmonic and reactive detection method.
5. Transmission Tower-line wind-induced vibration response emulation mode according to claim 4, which is characterized in that, it is described according to institute
The parameters of loading and structural parameters generation simulated wind load data for stating wind load include：
According to the parameters of loading of the wind load and structural parameters generation wind load power spectral density matrix, according to the wind load
Progress linear combination obtains simulated wind load data after power spectral density matrix carries out LDLT decomposition.
6. a kind of Transmission Tower-line wind-induced vibration response simulator, which is characterized in that including：
First determining module, for determining that the corresponding power transmission tower bar element type of at least two power transmission towers, power transmission tower are corresponding
Power transmission tower bar material type and the corresponding power transmission tower bar cross section shape of power transmission tower；
First establishes module, for establishing the corresponding local coordinate of the power transmission tower；
Second determining module, determine the power transmission tower tower and respectively with the transmission of electricity column foot of the power transmission tower, transmission of electricity tower body and
Corresponding first parameter of transmission of electricity tower head；
Second establishes module, for the power transmission tower bar element to be spliced according to the tower and first parameter,
The line model of the power transmission tower is established, wherein, the tower includes：Dry word tower, cat-head transmission tower and wineglass tower；
3rd determining module, for determining the position coordinates of the pin point of the corresponding transmission of electricity column foot of the line model of the power transmission tower；
4th determining module, for determine the corresponding power transmission tower bar element attribute of the line model of the power transmission tower, with it is described defeated
The corresponding power transmission tower bar material attribute of line model, the power transmission tower bar cross section corresponding with the line model of the power transmission tower of pylon
The mesh generation precision of the line model of attribute and the power transmission tower；
3rd establishes module, for carrying out mesh generation to the line model of the power transmission tower according to the mesh generation precision, builds
Found the finite element model of the power transmission tower；
5th determining module, for determine in the finite element model of the second parameter of power transmission line and the power transmission tower with the transmission of electricity
The transmission of electricity line endpoints of line connection；
4th establishes module, and corresponding power transmission tower-defeated is established for second parameter according to power transmission line and transmission of electricity line endpoints
Electric wire coupling model；
6th determining module, for determining to apply in power transmission tower-power transmission line coupling model the node of wind load and being applied to institute
State the load direction of the wind load on node；
7th determining module, for determining the parameters of loading of the wind load and structural parameters, the parameters of loading includes：Wind lotus
Carry generation quantity, wind load frequency sampling points, the upper limiting frequency of wind load, initial point height, surface roughness, roughness system
Number, initial point mean wind speed and wind speed time interval；
First generation module, for the parameters of loading according to the wind load and structural parameters generation wind load time-history data；
Second generation module, for the parameters of loading according to the wind load and structural parameters generation simulated wind load data.
7. Transmission Tower-line wind-induced vibration response simulator according to claim 6, which is characterized in that the described 4th establishes
Module is specifically used for：
The rope Horizontal Tension convergence precision of power transmission line is determined, according to the convergence precision, second parameter of power transmission line and defeated
Electric wire endpoint carries out power transmission line by Direct Iterative Method shape is looked for operate, establishes power transmission tower-power transmission line coupling model.
8. Transmission Tower-line wind-induced vibration response simulator according to claim 7, which is characterized in that the described 6th determines
Module is specifically used for：
It determines the node of application wind load in power transmission tower-power transmission line coupling model, determines to apply according to the power transmission tower local coordinate
It is added in the load direction of the wind load on the node.
9. Transmission Tower-line wind-induced vibration response simulator according to claim 8, which is characterized in that first generation
Module is specifically used for：
According to the parameters of loading of the wind load and structural parameters generation wind load power spectral density matrix, according to the wind load
Power spectral density matrix generates wind load time-history data by harmonic and reactive detection method.
10. Transmission Tower-line wind-induced vibration response simulator according to claim 9, which is characterized in that second life
It is specifically used for into module：
According to the parameters of loading of the wind load and structural parameters generation wind load power spectral density matrix, according to the wind load
Progress linear combination obtains simulated wind load data after power spectral density matrix carries out LDLT decomposition.
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| CN109116753A (en) * | 2018-09-10 | 2019-01-01 | 国网江西省电力有限公司电力科学研究院 | A kind of applying method of high-voltage power transmission tower space rigid finite element model wind load |
| CN111651804A (en) * | 2020-03-31 | 2020-09-11 | 重庆科技学院 | Calculation method for conventional power transmission tower and line design wind load based on inertia force method and tower line separation method considering tower line coupling influence |
| CN111651920A (en) * | 2020-06-02 | 2020-09-11 | 重庆科技学院 | Transmission analysis method for wind-induced mechanical energy of long-span power transmission tower under tower-line system |
| CN112100724A (en) * | 2020-09-16 | 2020-12-18 | 广东电网有限责任公司电力科学研究院 | Wind resistance evaluation method and related device for power transmission tower |
| CN112380748A (en) * | 2020-11-13 | 2021-02-19 | 广东电网有限责任公司电力科学研究院 | Wind-induced random vibration analysis method and related device for power transmission tower |
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| CA2479517A1 (en) * | 2004-09-15 | 2006-03-15 | Alfred L. Mathieu | Libra tower for wind turbine |
| CN105740549A (en) * | 2016-02-01 | 2016-07-06 | 西安交通大学 | Wind vibration simulation method of 220kV power transmission line tower line coupled system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109116753A (en) * | 2018-09-10 | 2019-01-01 | 国网江西省电力有限公司电力科学研究院 | A kind of applying method of high-voltage power transmission tower space rigid finite element model wind load |
| CN111651804A (en) * | 2020-03-31 | 2020-09-11 | 重庆科技学院 | Calculation method for conventional power transmission tower and line design wind load based on inertia force method and tower line separation method considering tower line coupling influence |
| CN111651920A (en) * | 2020-06-02 | 2020-09-11 | 重庆科技学院 | Transmission analysis method for wind-induced mechanical energy of long-span power transmission tower under tower-line system |
| CN111651920B (en) * | 2020-06-02 | 2023-03-21 | 重庆科技学院 | Transmission analysis method for wind-induced mechanical energy of long-span power transmission tower under tower-line system |
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| CN112100724B (en) * | 2020-09-16 | 2021-10-19 | 广东电网有限责任公司电力科学研究院 | Wind resistance evaluation method and related device for power transmission tower |
| CN112380748A (en) * | 2020-11-13 | 2021-02-19 | 广东电网有限责任公司电力科学研究院 | Wind-induced random vibration analysis method and related device for power transmission tower |
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Effective date of registration: 20201217 Address after: 510080 water Donggang 8, Dongfeng East Road, Yuexiu District, Guangzhou, Guangdong. Patentee after: Electric Power Research Institute of Guangdong Power Grid Co.,Ltd. Patentee after: ZHANJIANG POWER SUPPLY BUREAU OF GUANGDONG POWER GRID Co.,Ltd. Address before: 510080 water Donggang 8, Dongfeng East Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: Electric Power Research Institute of Guangdong Power Grid Co.,Ltd. |