Statistical simulation method for real-time tracking of multiple-throw chaff cloud aerodynamic fusion orbit re-entry
A real-time tracking and statistical simulation technology, applied in the field of aircraft aerodynamics, can solve problems such as inefficiency, impracticality, and manual misoperation, and achieve the effects of saving simulation time, high accuracy, and improving simulation efficiency
Active Publication Date: 2022-07-01
中国空气动力研究与发展中心超高速空气动力研究所 +1
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Problems solved by technology
According to the method pointed out in the paper, if you want to calculate the situation of throwing chaff in multiple batches, you can only use multiple manual input parameters, multiple simulation calculations, and manual integration in the later stage for simulation, which will have adverse effects on computing time and automation. , even because of the addition of manual operation factors, it will bring hidden dangers of manual misoperation and inefficiency and impracticality
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[0032] The present invention will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can refer to the description and implement accordingly.
[0033] It should be understood that terms such as "having", "comprising" and "including" as used herein do not assign the presence or addition of one or more other elements or combinations thereof.
[0034] According to a realization form of the real-time tracking statistical simulation method for multiple throwing chaff cloud aerodynamic fusion orbit re-entry real-time tracking, the method includes:
[0035] For the individual chaff thrown in each batch, aerodynamic fusion trajectory simulation is performed to obtain the corresponding multiple chaff cloud coverage, and the corresponding N is obtained by statistical weighting. set A weighted sphere of chaff cloud slices;
[0036] Weighted spheres based on each chaff cloud are given by the finite Supported by the group of c...
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The invention discloses a real-time tracking and statistical simulation method for the re-entry of aerodynamic fusion orbits of multiple throwing chaff clouds. The individual chaff thrown in each batch is individually simulated by aerodynamic fusion orbits, so as to obtain a plurality of corresponding chaff clouds. Coverage, respectively, by statistical weighting to obtain the corresponding N set Each chaff cloud weighted sphere is supported by a limited group of chaff groups, so at any time, there are groups of chaff groups that are tracked and randomly counted by the pneumatic fusion orbit in real time, and then passed through One simulation can determine the aerodynamic characteristics and motion performance of the chaff cloud thrown and released by multiple batches of the aircraft's ascending section along the orbit re-entry calculation. The invention provides a method for real-time tracking and statistical simulation of aerodynamic fusion orbits for multiple batches of throwing chaff clouds, which can use one simulation to complete multiple batches of throwing chaff clouds for real-time tracking and statistics of pneumatic fusion orbit reentry. The computation time and simulation cycle are more controllable.
Description
technical field [0001] The present invention relates to the technical field of aircraft aerodynamics. More specifically, the present invention particularly relates to a real-time tracking and statistical simulation method for the re-entry of cloud-pneumatic fusion orbits of hundreds of millions of chaff thrown in batches and the overall chaff, so that “massive” foils thrown in multiple batches can be simulated in real time. The overall aerodynamic characteristics of the strip cloud and the coverage along the orbit. Background technique [0002] Tens of thousands or even hundreds of millions of micro-target individuals (chaff) with very small mass are thrown from a certain height in the ascending section of the aircraft isotropically and layered. The aerodynamic characteristics such as resistance are quite different, so that the flight speed of each target individual changes staggered with time. Some target individuals fly fast, and some target individuals fly slowly, result...
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IPC IPC(8): G06F30/15G06F30/28G06F111/10G06F113/08G06F119/14
CPCG06F30/15G06F30/28G06F2111/10G06F2113/08G06F2119/14Y02T90/00
Inventor 李志辉梁杰李中华蒋新宇李四新张子彬
Owner 中国空气动力研究与发展中心超高速空气动力研究所