CN-122020984-A - Method for quickly calculating damage equivalent of warhead to ground target explosive amount

CN122020984ACN 122020984 ACN122020984 ACN 122020984ACN-122020984-A

Abstract

The invention provides a method for quickly calculating the damage equivalent of a warhead to the explosive quantity of a ground target, which comprises the following steps of 1, determining a ground vehicle standard target. And 2, determining the read of the target-level damage data by combining the standard bullet. And 3, reading the standard target part level damage data. And 4, calling actual target parameters of the ground vehicle class. And 5, correcting the component-level damage data of the actual target of the ground vehicle class hit by the standard ammunition. And 6, calculating the damage probability of the ground vehicle actual targets. And 7, calculating the damage power circle. And 8, dividing the bullet-mesh intersection two-dimensional space grid and calculating the damage probability. And 9, calculating the equivalent area of the damage effect. And step 10, calculating the damage equivalent coefficient and the explosion quantity. The calculation method of the invention not only can accurately describe the geometric structure characteristics and the damage characteristics of the ground vehicle actual targets, but also can realize the rapid correction of damage effect data and the rapid calculation of the explosive amount based on the difference between the ground vehicle actual targets and the ground vehicle standard targets.

Inventors

Lin Qindong
ZHAI HONGBO
Chu Zhuxin
TANG HONG
YANG FENG
LI HAOHAO
HU YULIN

Assignees

西安近代化学研究所

Dates

Publication Date: 20260512
Application Date: 20260105

Claims (8)

1. A method for quickly calculating the damage equivalent of a warhead to the explosive amount of a ground target is characterized in that the warhead is an explosion-killing warhead, the ground target is a ground vehicle target, and the method comprises the following steps: step 1, determining a ground vehicle standard target: aiming at each type of ground vehicle actual target, constructing a three-dimensional simplified structure to obtain a ground vehicle standard target corresponding to each type of ground vehicle actual target; Step 2, standard bullet combination determination and target level damage data reading: determining a standard bullet combination based on the explosion-killing warhead and combining the ground vehicle standard targets determined in the step 1, wherein in the standard bullet combination, the ammunition model is consistent with the model of the explosion-killing warhead, and the target model is the ground vehicle standard target model corresponding to the ground vehicle actual target; step 3, reading the standard bullet target part level damage data: Reading component-level damage data of the standard ammunition striking the ground vehicle standard target based on the standard ammunition combination determined in the step 2, wherein the component-level damage data comprises broken piece damage data and shock wave damage data of each component struck by the explosion-killing fighting part to the ground vehicle standard target; Step 4, calling actual target parameters of the ground vehicle class: the actual target parameters of the ground vehicles comprise geometric structure parameters and damage characteristic parameters; step 5, correcting component-level damage data of the actual target of the ground vehicle class hit by the standard ammunition: Acquiring the difference between the ground vehicle actual target and the ground vehicle standard target according to the ground vehicle actual target parameters obtained in the step 4, wherein the difference comprises a geometric structure difference, a damage characteristic difference and a common difference of geometric structures and damage characteristics; Step 6, calculating the damage probability of the ground vehicle actual targets: Based on the component level damage data of the corrected standard ammunition hit to the actual target of the ground vehicle, according to the shock wave damage criterion and the fragment damage criterion, firstly calculating the comprehensive damage probability of each component of the actual target of the ground vehicle; step 7, calculating a damage power circle: repeating the step 5 and the step 6 aiming at each bullet-hole intersection distance, carrying out the damage calculation of different bullet-hole intersection azimuth angles to obtain the damage probability of the standard ammunition striking the ground vehicle actual target at a certain intersection angle at a certain distance, averaging the damage probabilities of all the intersection angles to obtain the average damage probability of the ammunition at a certain distance to the ground vehicle actual target, and further constructing a damage power circle of the standard ammunition striking the ground vehicle actual target; step 8, bullet-mesh intersection two-dimensional space grid division and damage probability calculation: in the damage power circle calculated in the step 7, a two-dimensional space grid area is defined according to the change trend of the damage probability of the standard ammunition to the actual targets of the ground vehicles, the size, the center coordinates and the area of each small grid are determined, and the damage probability of the actual targets of the ground vehicles when the standard ammunition explodes at the center position of each small grid is calculated based on the interpolation of the damage power circle; step 9, calculating the equivalent area of the damage effect: Multiplying the area of each small grid in the two-dimensional space grid by the damage probability according to the damage probability of the actual target of the ground vehicle when the standard ammunition obtained in the step 8 explodes at the center position of each small grid, traversing and summing to obtain the equivalent damage effect area of the explosion-killing warhead on the actual target of the ground vehicle ; According to the damage probability of the actual targets of the ground vehicles when the standard ammunition obtained in the step 8 explodes at the center position of each small grid, in a rectangular coordinate system, the standard ammunition strikes the equivalent area of the damage effect of the standard targets of the ground vehicles ; Wherein: representing the probability of damage of the small grid; An abscissa representing the center of the small grid; An ordinate representing the center of the small grid; representing the area of the small grid; Step 10, calculating the damage equivalent coefficient and the explosion bomb amount: Calculating the equivalent damage coefficient according to the equivalent damage effect area obtained in the step 9 Calculating the explosive amount ; Wherein: Representing the equivalent factor of damage; representing the equivalent area of the damage effect of standard ammunition striking the actual target of the ground vehicle; representing the equivalent area of the damage effect of the standard ammunition striking the standard target of the ground vehicle class; representing the amount of the explosive charge of the standard ammunition striking the actual target of the ground vehicle; Representing the amount of the explosive charge that a standard ammunition strikes a standard target of the ground vehicle class.
2. The method for quickly and equivalently calculating the damage of the warhead to the ground target as claimed in claim 1, wherein in the step 1, the ground vehicle actual targets are divided into five types of missile launching vehicles, gunfire vehicles, radar vehicles, command vehicles and antenna vehicles.
3. The method for quickly and equivalently calculating damage of warhead to ground target explosion volume according to claim 1, wherein in the step 2, the target level damage data of the standard bullet combination covers the damage effect equivalent area data and explosion volume data.
4. The method for quickly calculating the damage equivalent of the warhead to the ground target explosion amount according to claim 1, wherein in the step 3, the broken piece damage data comprise the broken piece number, the broken piece speed and the broken piece kinetic energy hit to each surface of each component, and in the step 3, the shock wave damage data comprise the shock wave overpressure peak value data hit to each surface of each component.
5. The method for quickly calculating the damage equivalent of the warhead to the ground target according to claim 1, wherein in the step 4, the geometric parameters comprise length, width, height, material and thickness, and in the step 4, the damage characteristic parameters comprise an effective fragment threshold, a lower fragment damage criterion threshold, an upper fragment damage criterion threshold, a lower shock wave damage criterion threshold and an upper shock wave damage criterion threshold.
6. The method for quickly calculating the damage equivalent of the warhead to the ground target explosion amount according to claim 1, wherein in the step 5, the method for correcting the differential component-level damage data comprises the following steps: step 501, component level damage data correction of geometry differences: Step 50101, aiming at the shock wave damage element, the geometric structure difference does not relate to the correction of damage data; In step 50102, aiming at broken damage elements, geometric structure difference does not relate to correction of broken speed and broken kinetic energy damage data, but relates to correction of broken quantity, wherein the correction method of broken quantity comprises the steps of determining that the broken quantity of unit area on the same component of a ground vehicle actual target and a ground vehicle standard target is consistent, namely ; Wherein: representing the surface area of a component of the ground vehicle class actual target as the geometry changes; Representing the surface area of the part for a ground vehicle class standard target; Representing the total number of fragments reaching a certain part of the actual target of the ground vehicle class; Representing the total number of fragments reaching a certain part of a ground vehicle standard target; Representing the number of valid fragments of the component reaching an actual target of the ground vehicle class; representing the number of valid fragments of the component that reach a ground vehicle class standard target; Step 502, component level damage data correction for the difference in damage characteristics: Step 50201, aiming at the shock wave damage element, the damage characteristic difference does not relate to the correction of damage data; step 50202, aiming at broken damage elements, the difference of damage characteristics does not relate to correction of the number of broken pieces, the broken piece speed and the broken piece kinetic energy, but relates to correction of the number of effective broken pieces, wherein the correction method of the number of effective broken pieces comprises the steps of counting mass and speed data of each broken piece hit to a part, judging whether the broken piece can penetrate the part according to a THOR formula, if so, determining that the broken piece is an effective broken piece, and otherwise, determining that the broken piece is an ineffective broken piece; step 503, component level damage data correction for common differences between geometry and damage characteristics: Step 50301, for the shock wave damaged element, the common difference between the geometry and the damage characteristic does not involve the correction of the damage data; In step 50302, the common difference between the geometric structure and the damage characteristic of the broken sheet damage element relates to the correction of the damage data, wherein the correction method of the damage data comprises the steps of firstly correcting the part-level damage data with the geometric structure difference according to step 501, then correcting the part-level damage data with the damage characteristic difference according to step 502, and finally obtaining the effective broken sheet number hit to the part.
7. The method for quickly calculating the damage equivalent of the warhead to the ground target explosion amount according to claim 1, wherein the step 6 comprises the following steps: step 601, calculating the shock wave damage probability of the component according to the shock wave damage criterion ; The shock wave damage criterion is as follows: ; wherein: representing the probability of shock wave damage to the component; a shock wave damage threshold lower limit indicating that the component has reached moderate damage; indicating that the component reaches an upper shock wave damage threshold for moderate damage; representing the overpressure value of the shock wave reaching the surface of the component; step 602, calculating the broken damage probability of the component according to the broken damage criterion ; The broken sheet damage criterion is as follows: ; wherein: Representing the fracture probability of the component; indicating that the component reaches a lower limit on the effective number of fragments for moderate damage; An upper limit on the number of effective fragments that represent a component reaching moderate damage; indicating the number of valid fragments that reach the surface of the component; step 603, recognizing the shock wave damage and the fragment damage as independent events according to the probability of shock wave damage And probability of fragment damage Calculating to obtain comprehensive damage probability of the component ; Step 604, recognizing that the damage logic relationship between the components of the ground vehicle targets is "OR", and the damage probability of the explosion-killing warhead to the ground vehicle targets is caused by the explosion-killing warhead ; Wherein: representing the damage probability of ground vehicle targets; representing the total number of components of the ground vehicle class target; representing ground vehicle class object The overall damage probability of the individual components.
8. The method for quickly calculating the damage equivalent of warhead to ground target explosion amount according to claim 1, wherein in step 8, the interpolation calculation is performed by assuming that the distance from the actual target center of ground vehicles to the center of small grids is The radius of the standard ammunition power circle is When the damage probability of the actual targets of the ground vehicles is that The radius of the standard ammunition power circle is When the damage probability of the actual targets of the ground vehicles is that And (2) and ≤ ≤ The distance from the actual target center of the ground vehicle to the center of the small grid is Probability of damage to real objects of the class of ground vehicles 。

Description

Method for quickly calculating damage equivalent of warhead to ground target explosive amount Technical Field The invention belongs to the technical field of numerical calculation by using a computer model, relates to damage equivalent calculation, and in particular relates to a damage equivalent rapid calculation method for acquiring the explosion-proof warhead to the target explosion-proof bomb volume of a ground vehicle. Background In recent years, with the rapid development of military technologies, explosion-proof warheads are increasingly used in modern warfare. As a high-efficiency destructive weapon, the explosive-killing warhead is used for destroying targets by two destructive elements, namely a fragment and a shock wave, formed after explosive charge explosion, and the destructive effect evaluation of the explosive-killing warhead on the ground vehicle targets becomes a research hot spot in the field of military engineering. However, the conventional damage assessment method often depends on complex experimental data and complicated calculation process, and it is difficult to meet the requirements of rapid and accurate damage assessment. In actual combat planning, the structure of ground vehicle targets is complex, and the responses of different types of vehicles to two types of damage elements, namely shock waves and fragments, are obviously different. How to quickly calculate the damage characteristics of the explosion-killing warhead to the ground vehicle and the explosion-forming bomb quantity within a limited time becomes a key problem to be solved urgently. Conventional damage assessment methods are generally based on empirical formulas or numerical simulations, but these methods often require a large amount of computing resources and time cost when facing complex targets, and are difficult to meet the requirements of rapid decision making in battlefield environments. Disclosure of Invention Aiming at the defects existing in the prior art, the invention aims to provide a rapid equivalent calculation method for obtaining the damage of a warhead to a ground target explosion bomb volume, which solves the technical problem that the speed and accuracy of the calculation method in the prior art are to be further improved. In order to solve the technical problems, the invention is realized by adopting the following technical scheme. A method for quickly calculating the damage equivalent of explosive amount of warhead to ground target, which is the target of ground vehicle, features that the target of warhead is the explosion-killing target. And step 1, determining a ground vehicle standard target. And 2, determining the read of the target-level damage data by combining the standard bullet. And 3, reading the standard target part level damage data. And 4, calling actual target parameters of the ground vehicle class. And 5, correcting the component-level damage data of the actual target of the ground vehicle class hit by the standard ammunition. And 6, calculating the damage probability of the ground vehicle actual targets. And 7, calculating the damage power circle. And 8, dividing the bullet-mesh intersection two-dimensional space grid and calculating the damage probability. And 9, calculating the equivalent area of the damage effect. And step 10, calculating the damage equivalent coefficient and the explosion quantity. Compared with the prior art, the invention has the following technical effects. (I) The calculation method of the invention not only can accurately describe the geometric structure characteristics and the damage characteristics of the ground vehicle actual targets, but also can realize the rapid correction of damage effect data and the rapid calculation of the explosive amount based on the difference between the ground vehicle actual targets and the ground vehicle standard targets. And (II) the calculation method not only can provide theoretical support for the optimal design of the weapon system, but also can provide scientific basis for battlefield command decision. According to the calculation method, on one hand, quick correction calculation of the damage effect data is realized based on the difference between the actual ground vehicle targets and the standard ground vehicle targets, and on the other hand, quick calculation of the explosive amount is realized based on the damage equivalent coefficient. Drawings Fig. 1 is a three-dimensional geometric structure diagram of a ground vehicle standard target corresponding to a radar vehicle. Fig. 2 is a destructive power ring of the present invention. Fig. 3 is a graph of the present invention for calculating the probability of destruction of an explosive-like ammunition to a target based on a destructive power circle. Fig. 4 is a two-dimensional matrix of probability of destruction according to the present invention. The following examples illustrate the invention in further detail. Detailed Description All the apparatuses and meth