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Processing method for original data in airplane load design

A technology of original data and aircraft load, applied in the direction of electrical digital data processing, special data processing applications, relational databases, etc., can solve problems that cannot meet the actual needs of engineering, large amount of original data, and increase in data volume, and shorten the development cycle , optimize the process, improve the effect of work efficiency

Inactive Publication Date: 2017-08-11
XIAN AIRCRAFT IND GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, this method is only suitable for the calculation of component loads with a relatively small amount of data. When designing aircraft loads, the amount of original data involved is large. Considering the changes in aircraft configuration and weight, the amount of data required also multiplied
Due to the large amount of original input data that needs to be called in the design of the full aircraft load, and in general, the design data of the aircraft are complex variable functions with 2-3 or more independent variables. Not only does it appear cumbersome and rigid, and the readability is poor, but once the design parameters of the aircraft change, all relevant function values ​​must be modified one by one
Therefore, this design method, which is only suitable for a small amount of data, is far from meeting the actual needs of the project.

Method used

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  • Processing method for original data in airplane load design
  • Processing method for original data in airplane load design
  • Processing method for original data in airplane load design

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0090] Embodiment 1 A certain type of data set file name file "incon_file_XXX"

[0091] Part of the data in a data set of a certain type of machine (data set file name file):

[0092]

[0093]

[0094] In Example 1, if the empty weight data of the aircraft needs to be called in the load design, the data file identification number "27" will be directly read in the data set file name file "incon_file_XXX", and then in the data set "a certain type of aircraft ground data "Set", the file corresponding to the corresponding identification number is automatically called, that is, the data file XXX_OEW_NEW.DAT of the empty weight of the aircraft. And for the wing external mounting scheme, the data of three types of aircrafts are listed in total, and the first and third types have been written off, and only the second type is called in this embodiment.

Embodiment 2

[0095] Embodiment 2 calculation control file

[0096] Calculate the control file "control_in.ddt", part of the content is as follows:

[0097]

[0098]

[0099] Part of the program to read and call the calculation control file is:

[0100] open(509, file="control_in.ddt")

[0101] read(509,*)nfile,nreal

[0102] do i=1, nfile

[0103] read(509,'(a)')com_str(i)

[0104] end do

[0105] do i=1,nreal

[0106] read(509,*)k,com_rel(i)

[0107] end do

[0108] close(509)

[0109]  …

[0110] The above part mainly includes the function of reading the calculation control file. During the load calculation process, after opening the file "control_in.ddt", you can get the name of the data set file name and the name of the file by reading the parameters stored in the array com_str(i). Store the path and display it.

[0111] Another part of the program that reads the dataset file name file is as follows:

[0112] SUBROUTINE read_con_file(str)

[0113]  …

[0114] INQUIR...

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Abstract

The invention relates to a processing method for original data in airplane load design. The method comprises the steps that first, the original data in airplane load design is sorted out and stored to form a series of data files, and all the data files are introduced into a dataset file; second, a dataset file name file is established and used for designating the name and storage path of the dataset file used in calculation and meanwhile designating a corresponding and unique identification number for each data file used in load calculation, and the function of calling the corresponding data files is achieved through the identification numbers; and third, a calculation control file is established, wherein the name and storage path of the dataset file name file, a load calculation request file list and calculation control parameters are stored in the calculation control file, and the calculation control file is used for calling a dataset in load calculation and selecting and controlling an output mode of a load calculation result. The processing method has the advantage of processing the original data quickly and efficiently, the development cycle of an airplane can be shortened, and the development cost of the airplane can be lowered.

Description

technical field [0001] The invention belongs to the field of aircraft design, in particular to a method for processing raw data in aircraft load design. Background technique [0002] The load of an aircraft refers to the general term for the aerodynamic force, gravity, inertial force and ground reaction force acting on various parts of the aircraft during take-off, flight, landing and ground taxiing. The size of the load depends on many factors such as the weight of the aircraft, flight performance, the aerodynamic characteristics of the shape and the cushioning and use of the landing gear. [0003] When carrying out load design, it is necessary to find out the maximum load of each component of the aircraft and the size and distribution of the load, which can be used as the basis for the design of aircraft structural strength. [0004] First of all, a design specification must be selected to ensure flight safety without affecting the performance of the aircraft. After dete...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G06F17/30
CPCG06F16/284G06F30/15
Inventor 党西军郭天天潘发展
Owner XIAN AIRCRAFT IND GROUP
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