CN108844712A - Wind load numerical model verification method, device, system and terminal - Google Patents
Wind load numerical model verification method, device, system and terminal Download PDFInfo
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- CN108844712A CN108844712A CN201810592391.9A CN201810592391A CN108844712A CN 108844712 A CN108844712 A CN 108844712A CN 201810592391 A CN201810592391 A CN 201810592391A CN 108844712 A CN108844712 A CN 108844712A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/08—Aerodynamic models
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Abstract
The present invention provides a kind of wind load numerical model verification method, device, system and terminal, method is applied to terminal, and method includes：Rotation command is sent to rotating mechanism；The instruction that stops operating is generated according to the corresponding relationship between measurement distance, the target angle of attack and the target angle of attack and measurement distance of the laser range finder transmission received, transmission stops operating instruction to rotating mechanism；The blast velocity control generated according to target wind speed instruction is sent to wind-force generation mechanism；The target angle of attack, target wind speed and environmental parameter are substituted into wind load numerical model, normal force calculated value is calculated；Normal force calculated value is verified using the normal force measured value that strain-type force sensor is sent, it is verified result, alleviate it is existing in the prior art the technical issues of whether approximate solution can represent true wind load situation on building can not be known, reached the technical effect that understand that whether approximate solution can represent true wind load situation on building.
Description
Technical field
The present invention relates to Model Validation Technology field, more particularly, to a kind of wind load numerical model verification method, device,
System and terminal.
Background technique
The wind pressure acted on building is known as wind load, and wind load (wind load) refers to air flowing to engineering knot
Pressure caused by structure.
In practical applications, the numerical simulation technology of wind load can be used to measure wind load, still, the numerical value of wind load
What analogue technique was calculated is the approximate solution of wind load numerical model.This approximate solution may be different from true wind load,
That is approximate solution can not determine whether accurately, can not know the case where whether capable of representing true wind load on building.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of wind load numerical model verification method, device, system and ends
End, to alleviate the skill existing in the prior art that can not be known approximate solution and whether can represent true wind load situation on building
Art problem.
In a first aspect, method is applied to terminal the embodiment of the invention provides a kind of wind load numerical model verification method,
The terminal is communicated with rotating mechanism, strain-type force sensor, wind-force generation mechanism and laser range finder respectively, the wind-force
Generation mechanism is set in the power section of wind-tunnel, the distortion measurement end of the bottom end of solar panels and the strain-type force sensor
Fixed, the shell of the strain-type force sensor and the rotation axis of the rotating mechanism are fixed, and method includes：
Rotation command is sent to the rotating mechanism, so that the rotation axis of the rotating mechanism drives the solar energy
Plate rotation；
Measurement distance, the preset target angle of attack and the preset target sent according to the laser range finder received is met
Corresponding relationship between angle and measurement distance generates the instruction that stops operating, and the instruction that stops operating described in transmission is to the whirler
Structure；
The blast velocity control generated according to preset target wind speed instruction is sent to the wind-force generation mechanism, so that described
Wind-force generation mechanism blows out the wind of the target wind speed；
The target angle of attack, the target wind speed and preset environmental parameter are substituted into preset wind load numerical model,
Normal force calculated value is calculated；
The normal force measured value sent using the strain-type force sensor received is to the normal force calculated value
It is verified, is verified result.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute
State the measurement distance, the preset target angle of attack and the preset target angle of attack that send according to the laser range finder received and survey
Corresponding relationship of the span between generates the instruction that stops operating, including：
In corresponding relationship between the target angle of attack and measurement distance, measurement corresponding with the target angle of attack is determined
Distance is target measurement distance；
If the target measurement distance and the measurement are equidistant, stop operating instruction described in generation.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein institute
It states and the target angle of attack, the target wind speed and preset environmental parameter is substituted into preset wind load numerical model, calculate
To normal force calculated value, including：
Geometrical model modeling is carried out according to the environmental parameter, obtains computational domain；
Space lattice division is carried out to the computational domain, obtains grid dividing computational domain；
Judge whether the grid dividing computational domain passes through grid independence and examine；
If the grid dividing computational domain is examined by the grid independence, by the target angle of attack, the target
Wind speed and the grid dividing computational domain substitute into the wind load numerical model, and the normal force calculated value is calculated.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein institute
It states and the normal force calculated value is tested using the normal force measured value that the strain-type force sensor received is sent
Card, is verified as a result, including：
The standard error that the normal force measured value is subtracted to the preset strain-type force sensor, is calculated method
Corrected value is measured to power；
The normal force calculated value is subtracted with normal force measurement corrected value, normal force difference is obtained, with the normal direction
Power difference measures corrected value divided by the normal force, and calculating measured deviation is calculated；
If the calculating measured deviation is less than preset deviation threshold, it is determined that the wind load numerical model is accurate
's；
If the calculating measured deviation is greater than or equal to the deviation threshold, it is determined that the wind load numerical model is not
Accurately.
Second aspect, the embodiment of the present invention also provide a kind of wind load numerical model verifying device, including：First sends mould
Block, generation module, the second sending module, computing module and authentication module；
First sending module, for sending rotation command to rotating mechanism, so that the rotation axis of the rotating mechanism
Drive solar panels rotation；
The generation module, the measurement distance for being sent according to the laser range finder received, the preset target angle of attack
Corresponding relationship between the preset target angle of attack and measurement distance generates the instruction that stops operating, and the finger that stops operating described in transmission
It enables to the rotating mechanism；
Second sending module, for the blast velocity control generated according to preset target wind speed instruction to be sent to wind-force
Generation mechanism, so that the wind-force generation mechanism blows out the wind of the target wind speed；
The computing module, it is default for substituting into the target angle of attack, the target wind speed and preset environmental parameter
Wind load numerical model, normal force calculated value is calculated；
The authentication module, the normal force measured value for being sent using the strain-type force sensor received is to described
Normal force calculated value is verified, and result is verified.
The third aspect, the embodiment of the present invention also provide a kind of wind load numerical model verifying system, including：Wind-tunnel, rotation
The end of mechanism, strain-type force sensor, wind-force generation mechanism, laser range finder and application such as any the method for first aspect
End.
In conjunction with the third aspect, the embodiment of the invention provides the first possible embodiments of the third aspect, wherein institute
Stating strain-type force sensor is five component strain formula load cells.
In conjunction with the third aspect, the embodiment of the invention provides second of possible embodiments of the third aspect, wherein institute
Stating laser range finder is cloud service laser range finder.
Fourth aspect, the embodiment of the present invention also provide a kind of terminal, including memory, processor and are stored in the storage
On device and the computer program that can run on the processor, the processor realizes such as the when executing the computer program
On the one hand the step of described in any item methods.
5th aspect, the embodiment of the present invention also provide a kind of meter of non-volatile program code that can be performed with processor
Calculation machine readable medium, said program code make the processor execute such as any the method for first aspect.
The embodiment of the present invention brings following beneficial effect：Wind load numerical model authentication provided in an embodiment of the present invention
Method, method be applied to terminal, the terminal respectively with rotating mechanism, strain-type force sensor, wind-force generation mechanism and laser
Rangefinder communication, the wind-force generation mechanism are set in the power section of wind-tunnel, and the bottom end of solar panels and the strain-type are surveyed
The distortion measurement end of force snesor is fixed, and the rotation axis of the shell of the strain-type force sensor and the rotating mechanism is solid
Fixed, method includes：Rotation command is sent to the rotating mechanism, so that the rotation axis drive of the rotating mechanism is described too
Positive energy plate rotation；Measurement distance, the preset target angle of attack and the preset mesh sent according to the laser range finder received
Corresponding relationship between the mark angle of attack and measurement distance generates the instruction that stops operating, and the instruction that stops operating described in transmission is to the rotation
Rotation mechanism；The blast velocity control generated according to preset target wind speed instruction is sent to the wind-force generation mechanism, so that described
Wind-force generation mechanism blows out the wind of the target wind speed；By the target angle of attack, the target wind speed and preset environmental parameter
Preset wind load numerical model is substituted into, normal force calculated value is calculated；It is sensed using the strain-type force received
The normal force measured value that device is sent verifies the normal force calculated value, is verified result.
So when staff wants to know whether the approximate solution of wind load numerical model output can represent on building
When true wind load situation, the terminal sends rotation command to the rotating mechanism, according to the laser ranging received
Corresponding relationship generation between instrument the measurement distance, the preset target angle of attack and the preset target angle of attack that send and measurement distance stops
Only rotation command, and the instruction that stops operating described in transmission is to the rotating mechanism；The wind that will be generated according to preset target wind speed
Fast control instruction is sent to the wind-force generation mechanism, by the target angle of attack, the target wind speed and preset environmental parameter
Preset wind load numerical model is substituted into, normal force calculated value is calculated；It is sensed using the strain-type force received
The normal force measured value that device is sent verifies the normal force calculated value, is verified as a result, staff utilizes verifying
As a result it is assured that whether the approximate solution of wind load numerical model output is accurate, and then knows whether approximate solution can represent and build
The case where building true wind load on object avoids not knowing approximate solution caused by whether approximate solution is accurate due to that can not determine
The problem of true wind load situation on building whether can be represented, therefore, alleviating existing in the prior art can not know
Whether approximate solution can represent the technical issues of true wind load situation on building, reached and understand that approximate solution whether can
Enough represent the technical effect of true wind load situation on building.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of wind-tunnel provided in an embodiment of the present invention；
Fig. 2 is the flow chart of wind load numerical model verification method provided in an embodiment of the present invention；
Fig. 3 is the flow chart of step S104 in Fig. 2；
Fig. 4 is the structural schematic diagram that wind load numerical model provided in an embodiment of the present invention verifies system.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, the wind pressure acted on building is known as wind load, wind load (wind load) refers to air flowing to work
Pressure caused by journey structure.
In practical applications, the numerical simulation technology of wind load can be used to measure wind load, still, the numerical value of wind load
What analogue technique was calculated is the approximate solution of wind load numerical model.This approximate solution may be different from true wind load,
That is approximate solution can not determine whether accurately, can not know the case where whether capable of representing true wind load on building,
Based on this, a kind of wind load numerical model verification method, device, system and terminal provided in an embodiment of the present invention can be alleviated
It is existing in the prior art that the technical issues of whether approximate solution can represent true wind load situation on building can not be known, it reaches
To understand that whether approximate solution can represent the technical effect of true wind load situation on building.
For convenient for understanding the present embodiment, first to a kind of wind load numerical model disclosed in the embodiment of the present invention
Verification method describes in detail, method be applied to terminal, the terminal respectively with rotating mechanism, strain-type force sensor,
Wind-force generation mechanism and laser range finder communication, the wind-force generation mechanism are set in the power section of wind-tunnel, solar panels
Bottom end and the distortion measurement end of the strain-type force sensor are fixed, the shell of the strain-type force sensor and the rotation
The rotation axis of rotation mechanism is fixed.
Illustratively, the wind load numerical model can be SST k- ω turbulence model.
Illustratively, the wind-tunnel can be direct current wind-tunnel, as shown in Figure 1, the wind-tunnel can successively include：Air inlet section
11, power section 12, stable section 13, contraction section 14, test section 15 and diffuser 16.The sectional dimension of test section 15 can be 0.5
Rice × 0.5 meter, length are 2 meters, and the side wall of the test section 15 can be transparent.The maximum wind velocity of the wind-tunnel can be 40
Meter per second, it can be 2 meter per seconds that minimum, which stablizes wind speed,.The turbulivity of the wind-tunnel can be lower than 0.5%, and speed homogeneity range can reach
To 85% or more.
Illustratively, the strain-type force sensor is five component strain formula load cells, the laser range finder
For cloud service laser range finder.
Illustratively, the solar panels can perpendicular to the inner bottom surface of test section 15, the bottom end of the solar panels with
The distortion measurement end of the strain-type force sensor is fixed, the shell of the strain-type force sensor and the rotating mechanism
Rotation axis fix.
Illustratively, the distortion measurement end of the strain-type force sensor can pass through screw rod and the solar energy
The bottom midpoint of plate is fixedly connected.Inner bottom surface of the screw rod perpendicular to the test section.Intersection point is located at the test section
The center of inner bottom surface.
Illustratively, the length of the solar panels in vertical direction can be 0.25 meter, under the solar panels
Bottom edge can be 0.05 meter at a distance from the inner bottom surface of the test section 15.
As shown in Fig. 2, the wind load numerical model verification method may comprise steps of.
Step S101 sends rotation command to the rotating mechanism, so that the rotation axis of the rotating mechanism drives
The solar panels rotation.
Illustratively, the thickness of the solar panels can be 35 to 40 millimeters.
Step S102, the measurement distance sent according to the laser range finder that receives, the preset target angle of attack and pre-
If the target angle of attack and measurement distance between corresponding relationship generation stop operating instruction, and stop operating described in sending instruct to
The rotating mechanism.
Illustratively, the value range of the target angle of attack can be [- 19 °, 19 °].
Illustratively, the measurement distance for the laser range finder transmission that the basis receives, the preset target angle of attack
Corresponding relationship between the preset target angle of attack and measurement distance generates the instruction that stops operating, and may comprise steps of.
In corresponding relationship between the target angle of attack and measurement distance, measurement corresponding with the target angle of attack is determined
Distance is target measurement distance.
Illustratively, the corresponding relationship between the target angle of attack and measurement distance can be as shown in table 1.
Table 1
| The target angle of attack | Measure distance |
| Angle A1 | Distance B1 |
| Angle A2 | Distance B2 |
| Angle A3 | Distance B3 |
Illustratively, the laser range finder can be set in the side of the test section 15.As shown in table 1, when described
The angle of solar panels is A1When, the measurement distance that the laser range finder is sent is B1.When the angle of the solar panels is A2
When, the measurement distance that the laser range finder is sent is B2.When the angle of the solar panels is A3When, the laser range finder
The measurement distance of transmission is B3。
If the target measurement distance and the measurement are equidistant, stop operating instruction described in generation.
Illustratively, when staff determines that the target angle of attack is A2Afterwards, it can then be determined according to table 1 and target angle of attack A2It is right
The measurement distance B answered2For target measurement distance.During solar panels are rotated with rotating mechanism, laser range finder will
The measurement distance acquired in real time is sent to terminal, if measurement distance and target measurement distance B2It is equal, then it generates the stopping and turns
Dynamic instruction.
The blast velocity control generated according to preset target wind speed instruction is sent to the wind-force and generates machine by step S103
Structure, so that the wind-force generation mechanism blows out the wind of the target wind speed.
Illustratively, the target wind speed is also that staff is predetermined.The target wind speed can be 20 meters/
Second, 25 meter per seconds or 30 meter per seconds.
The target angle of attack, the target wind speed and preset environmental parameter are substituted into preset wind load by step S104
Normal force calculated value is calculated in numerical model.
Illustratively, as shown in figure 3, step S104 may comprise steps of.
Step S201 carries out geometrical model modeling according to the environmental parameter, obtains computational domain.
Step S202 carries out space lattice division to the computational domain, obtains grid dividing computational domain.
Step S203, judges whether the grid dividing computational domain passes through grid independence and examine.
Step S204, if the grid dividing computational domain is examined by the grid independence, by the target angle of attack,
The target wind speed and the grid dividing computational domain substitute into the wind load numerical model, and the normal force is calculated and calculates
Value.
Illustratively, the wind load numerical model can be SST k- ω turbulence model.
Step S105, the normal force measured value sent using the strain-type force sensor received is to the normal direction
Power calculated value is verified, and result is verified.
Illustratively, step S105 may comprise steps of.
The standard error that the normal force measured value is subtracted to the preset strain-type force sensor, is calculated method
Corrected value is measured to power.
Illustratively, it when the normal force measured value is 10.5N, and the standard error is 0.6N, can be calculated
The normal force measurement corrected value is 9.9N.
The normal force calculated value is subtracted with normal force measurement corrected value, normal force difference is obtained, with the normal direction
Power difference measures corrected value divided by the normal force, and calculating measured deviation is calculated.
Illustratively, when normal force calculated value is 9.5N, then it is 0.4N that the normal force difference, which can be calculated,.Into
And with 0.4N divided by 9.9N, being calculated and calculating measured deviation is 4.0%.
If the calculating measured deviation is less than preset deviation threshold, it is determined that the wind load numerical model is accurate
's.
Illustratively, the deviation threshold can be set to 6.0%, so can determine when measured deviation is 4.0%
The wind load numerical model is accurate.I.e. approximate solution can represent the case where true wind load on building.
If the calculating measured deviation is greater than or equal to the deviation threshold, it is determined that the wind load numerical model is not
Accurately.
Illustratively, the deviation threshold can be set to 6.0%, so can determine when measured deviation is 8.0%
The wind load numerical model is inaccurate.I.e. approximate solution can not represent the case where true wind load on building.
In the embodiment of the present invention, wind load numerical model verification method provided in an embodiment of the present invention, method is applied to eventually
End, the terminal is communicated with rotating mechanism, strain-type force sensor, wind-force generation mechanism and laser range finder respectively, described
Wind-force generation mechanism is set in the power section of wind-tunnel, the shape of the bottom end of the solar panels and the strain-type force sensor
Become measurement end to fix, the shell of the strain-type force sensor and the rotation axis of the rotating mechanism are fixed, and method includes：Hair
Send rotation command to the rotating mechanism, so that the rotation axis of the rotating mechanism drives the solar panels rotation；Root
The measurement distance, the preset target angle of attack and the preset target angle of attack that are sent according to the laser range finder that receives and measurement away from
Corresponding relationship between generates the instruction that stops operating, and the instruction that stops operating described in transmission is to the rotating mechanism；By basis
The blast velocity control instruction that preset target wind speed generates is sent to the wind-force generation mechanism, so that the wind-force generation mechanism is blown
The wind of the target wind speed out；The target angle of attack, the target wind speed and preset environmental parameter are substituted into preset wind lotus
Numerical model is carried, normal force calculated value is calculated；The normal force sent using the strain-type force sensor received
Measured value verifies the normal force calculated value, is verified result.
So when staff wants to know whether the approximate solution of wind load numerical model output can represent on building
When true wind load situation, the terminal sends rotation command to the rotating mechanism, according to the laser ranging received
Corresponding relationship generation between instrument the measurement distance, the preset target angle of attack and the preset target angle of attack that send and measurement distance stops
Only rotation command, and the instruction that stops operating described in transmission is to the rotating mechanism；The wind that will be generated according to preset target wind speed
Fast control instruction is sent to the wind-force generation mechanism, by the target angle of attack, the target wind speed and preset environmental parameter
Preset wind load numerical model is substituted into, normal force calculated value is calculated；It is sensed using the strain-type force received
The normal force measured value that device is sent verifies the normal force calculated value, is verified as a result, staff utilizes verifying
As a result it is assured that whether the approximate solution of wind load numerical model output is accurate, and then knows whether approximate solution can represent and build
The case where building true wind load on object avoids not knowing approximate solution caused by whether approximate solution is accurate due to that can not determine
The problem of true wind load situation on building whether can be represented, therefore, alleviating existing in the prior art can not know
Whether approximate solution can represent the technical issues of true wind load situation on building, reached and understand that approximate solution whether can
Enough represent the technical effect of true wind load situation on building.
In another embodiment of the present invention, a kind of wind load numerical model disclosed in the embodiment of the present invention is verified and is filled
It sets and describes in detail, including：First sending module, generation module, the second sending module, computing module and authentication module；
First sending module, for sending rotation command to rotating mechanism, so that the rotation axis of the rotating mechanism
Drive solar panels rotation；
The generation module, the measurement distance for being sent according to the laser range finder received, the preset target angle of attack
Corresponding relationship between the preset target angle of attack and measurement distance generates the instruction that stops operating, and the finger that stops operating described in transmission
It enables to the rotating mechanism；
Second sending module, for the blast velocity control generated according to preset target wind speed instruction to be sent to wind-force
Generation mechanism, so that the wind-force generation mechanism blows out the wind of the target wind speed；
The computing module, it is default for substituting into the target angle of attack, the target wind speed and preset environmental parameter
Wind load numerical model, normal force calculated value is calculated；
The authentication module, the normal force measured value for being sent using the strain-type force sensor received is to described
Normal force calculated value is verified, and result is verified.
In another embodiment of the present invention, system is verified to a kind of wind load numerical model disclosed in the embodiment of the present invention
System describes in detail, including：Wind-tunnel, rotating mechanism, strain-type force sensor, wind-force generation mechanism, laser range finder and
Using the terminal of any the method for such as above-described embodiment.
Illustratively, as shown in figure 4, rotating mechanism 24, strain-type force sensor 25, wind-force generation mechanism 22 and laser
Rangefinder 23 is communicated with terminal 21 respectively.
Illustratively, the strain-type force sensor 25 can be five component strain formula load cells.
Illustratively, the laser range finder 23 can be cloud service laser range finder.
It in another embodiment of the present invention, describes in detail, wraps to a kind of terminal disclosed in the embodiment of the present invention
It includes memory, processor and is stored in the computer program that can be run on the memory and on the processor, the place
The step of reason device realizes above-described embodiment described in any item methods when executing the computer program.
In another embodiment of the present invention, to disclosed in the embodiment of the present invention it is a kind of with processor can be performed it is non-
The computer-readable medium of volatile program code describes in detail, and said program code makes the processor execute above-mentioned reality
Apply any the method for example.
Unless specifically stated otherwise, the opposite step of the component and step that otherwise illustrate in these embodiments, digital table
It is not limit the scope of the invention up to formula and numerical value.
The technical effect and preceding method embodiment phase of device provided by the embodiment of the present invention, realization principle and generation
Together, to briefly describe, Installation practice part does not refer to place, can refer to corresponding contents in preceding method embodiment.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
It with the specific work process of device, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
The flow chart and block diagram in the drawings show the system of multiple embodiments according to the present invention, method and computer journeys
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
A part of one module, section or code of table, a part of the module, section or code include one or more use
The executable instruction of the logic function as defined in realizing.It should also be noted that in some implementations as replacements, being marked in box
The function of note can also occur in a different order than that indicated in the drawings.For example, two continuous boxes can actually base
Originally it is performed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.It is also noted that
It is the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart, can uses and execute rule
The dedicated hardware based system of fixed function or movement is realized, or can use the group of specialized hardware and computer instruction
It closes to realize.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
The computer program product of wind load numerical model verification method is carried out provided by the embodiment of the present invention, including is deposited
The computer readable storage medium of the executable non-volatile program code of processor, the instruction that said program code includes are stored up
It can be used for executing previous methods method as described in the examples, specific implementation can be found in embodiment of the method, and details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of the steps of method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
Finally it should be noted that：Embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that：Anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of wind load numerical model verification method, which is characterized in that method be applied to terminal, the terminal respectively with rotation
Mechanism, strain-type force sensor, wind-force generation mechanism and laser range finder communication, the wind-force generation mechanism are set to wind-tunnel
Power section in, the bottom end of solar panels and the distortion measurement end of the strain-type force sensor are fixed, and the strain-type is surveyed
The shell of force snesor and the rotation axis of the rotating mechanism are fixed, and method includes：
Rotation command is sent to the rotating mechanism, so that the rotation axis of the rotating mechanism drives the solar panels rotation
Turn；
The measurement distance, the preset target angle of attack and the preset target angle of attack that are sent according to the laser range finder that receives and
Corresponding relationship between measurement distance generates the instruction that stops operating, and the instruction that stops operating described in transmission is to the rotating mechanism；
The blast velocity control generated according to preset target wind speed instruction is sent to the wind-force generation mechanism, so that the wind-force
Generation mechanism blows out the wind of the target wind speed；
The target angle of attack, the target wind speed and preset environmental parameter are substituted into preset wind load numerical model, calculated
Obtain normal force calculated value；
The normal force calculated value is carried out using the normal force measured value that the strain-type force sensor received is sent
Verifying, is verified result.
2. wind load numerical model verification method according to claim 1, which is characterized in that the institute that the basis receives
State the correspondence between measurement distance, the preset target angle of attack and the preset target angle of attack of laser range finder transmission and measurement distance
Relationship generates the instruction that stops operating, including：
In corresponding relationship between the target angle of attack and measurement distance, measurement distance corresponding with the target angle of attack is determined
For target measurement distance；
If the target measurement distance and the measurement are equidistant, stop operating instruction described in generation.
3. wind load numerical model verification method according to claim 1, which is characterized in that described to meet the target
Angle, the target wind speed and preset environmental parameter substitute into preset wind load numerical model, and normal force calculated value is calculated,
Including：
Geometrical model modeling is carried out according to the environmental parameter, obtains computational domain；
Space lattice division is carried out to the computational domain, obtains grid dividing computational domain；
Judge whether the grid dividing computational domain passes through grid independence and examine；
If the grid dividing computational domain is examined by the grid independence, by the target angle of attack, the target wind speed
The wind load numerical model is substituted into the grid dividing computational domain, the normal force calculated value is calculated.
4. wind load numerical model verification method according to claim 1, which is characterized in that the institute that the utilization receives
State strain-type force sensor transmission normal force measured value the normal force calculated value is verified, be verified as a result,
Including：
The standard error that the normal force measured value is subtracted to the preset strain-type force sensor, is calculated normal force
Measure corrected value；
The normal force calculated value is subtracted with normal force measurement corrected value, obtains normal force difference, it is poor with the normal force
Value measures corrected value divided by the normal force, and calculating measured deviation is calculated；
If the calculating measured deviation is less than preset deviation threshold, it is determined that the wind load numerical model is accurate；
If the calculating measured deviation is greater than or equal to the deviation threshold, it is determined that the wind load numerical model is inaccuracy
's.
5. a kind of wind load numerical model verifies device, which is characterized in that including：First sending module, generation module, the second hair
Send module, computing module and authentication module；
First sending module, for sending rotation command to rotating mechanism, so that the rotation axis of the rotating mechanism drives
Solar panels rotation；
The generation module, measurement distance, the preset target angle of attack for being sent according to the laser range finder that receives and pre-
If the target angle of attack and measurement distance between corresponding relationship generation stop operating instruction, and stop operating described in sending instruct to
The rotating mechanism；
Second sending module is generated for the blast velocity control generated according to preset target wind speed instruction to be sent to wind-force
Mechanism, so that the wind-force generation mechanism blows out the wind of the target wind speed；
The computing module, for the target angle of attack, the target wind speed and preset environmental parameter to be substituted into preset wind
Normal force calculated value is calculated in load numerical model；
The authentication module, the normal force measured value for being sent using the strain-type force sensor received is to the normal direction
Power calculated value is verified, and result is verified.
6. a kind of wind load numerical model verifies system, which is characterized in that including：Wind-tunnel, rotating mechanism, strain-type force sensing
The terminal of device, wind-force generation mechanism, laser range finder and application such as any the method for claim 1-4.
7. wind load numerical model according to claim 6 verifies system, which is characterized in that the strain-type force sensing
Device is five component strain formula load cells.
8. wind load numerical model according to claim 6 verifies system, which is characterized in that the laser range finder is cloud
Service laser range finder.
9. a kind of terminal, including memory, processor and it is stored on the memory and can runs on the processor
Computer program, which is characterized in that the processor realizes that the claims 1 to 4 are any when executing the computer program
The step of method described in item.
10. a kind of computer-readable medium for the non-volatile program code that can be performed with processor, which is characterized in that described
Program code makes the processor execute described any the method for claim 1-4.
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| CN201810592391.9A CN108844712B (en) | 2018-06-08 | 2018-06-08 | Wind load numerical model verification method, device and system and terminal |
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