CN1779409A - Method for computing damage effects of pre-set explosure bomb with proximity fuze to antiship missle - Google Patents
Method for computing damage effects of pre-set explosure bomb with proximity fuze to antiship missle Download PDFInfo
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- CN1779409A CN1779409A CN 200510032186 CN200510032186A CN1779409A CN 1779409 A CN1779409 A CN 1779409A CN 200510032186 CN200510032186 CN 200510032186 CN 200510032186 A CN200510032186 A CN 200510032186A CN 1779409 A CN1779409 A CN 1779409A
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Abstract
The invention belongs to a fuze technical field and it is used for researching the damage effect of the proximity fuse fireformed fragment missile to the antiship missile, so as to provide the dicision basis of allocating corresponding cartridge to the naval gun. The computing method is to process the data on the computer by modeling of the antiship missile to obtain the damage effect of the proximity fuse fireformed fragment missile to the antiship missile at last.
Description
[technical field]
The present invention relates to the computational methods of a kind of weapons and ammunitions to the target damage effect, is the computational methods of a kind of proximity fuze prefabricated fragment ammunition to the anti-warship guided missle damage effect specifically.
[background technology]
Fast development along with modern science and technology, various high performance anti-warship guided missles continue to bring out out, in in October, 1967 Mideast Asian war for the third time, Israel " Ai Late " number destroyer is bombarded and sink at one stroke with " Styx " made in CCCP guided missile in Egypt, greatly stimulated the development of various countries' anti-warship guided missles, given simultaneously the antiaircraft anti-ballistic new problem that proposed of naval vessels; In the May nineteen eighty-two British-Argentine Malvinas Islands War, well-equipped silent service favourite son is bombarded and sink in succession with legal system " flying fish " AM-39 anti-warship guided missle in Argentina---and " Sheffield " number destroyer and 1.8 tons " Atlantic Ocean transporter " number van container cargo ship has proved that further anti-warship guided missle has constituted fatal threat to surface ship.
Anti-warship guided missle far firing range, power be big, shoot straight, volume is little, speed is fast, trajectory is changeable, is difficult to find when particularly plunderring sea flight, brings very big difficulty for the defence counterattack.In the face of the threat that is on the rise, various countries naval has caused great attention, and makes kickback.Generally anti-warship guided missle is taked multi-level, multiple mean of defense.First defence area: early warning; Second defence area: warning in mid-term; The 3rd defence area: be the short range defence.The program of defence anti-warship guided missle is generally:
The outer radar-reconnaissance early warning of sighting distance;
Flat pad missile attack radar is implemented to disturb;
Supervision flight guided missile is implemented volley with antiaircraft missile;
The Missile Terminal Guidance radar was implemented to disturb in its search phase;
Middle heavy caliber automatic gun is implemented volley;
Small-bore automatic gun is implemented volley.
At present, small-bore automatic gun implement volley be each naval vessels also be the most effective counterattack means at last, be equipped with how many small-bore automatic guns for each naval vessels, how many ammunitions every cannon is equipped with, and is the problem of each authorities of army care.
[summary of the invention]
The object of the present invention is to provide the computational methods of a kind of proximity fuze prefabricated fragment ammunition of small-bore automatic gun, for naval ship is equipped with small-bore automatic gun and ammunition provides decision references to the kill probability of anti-warship guided missle.
For solving its technical problem, realize that the technical scheme of the object of the invention comprises the steps:
1, determine the vitals of anti-warship guided missle rapid wear: cause the anti-ship missile target blast or break away from hitting the parts that the territory is amounted on the naval vessel, be called vitals, miscellaneous part claims non-key part.
2, to injure fragmentation number that one piece of anti-warship guided missle on average must hit for injuring criterion, determine the equivalent relation of missile bay component penetration power resistance strength and guided missile multilayer rake: proximity fuze prefabricated fragment ammunition is anti-ballistic mainly to be that the breaking sheet destroys the missile target penetration, the problem that people generally are concerned about is to injure the fragmentation number that one piece of guided missile on average must hit what are, this is the most easy a kind of criterion.Anti-ship missile target structure and drag complexity will be that more complexity and expense are very high if directly the missile component material object is carried out the capability study of fragmentation penetration.For this reason, the present invention proposes to set up guided missile multilayer equivalent target notion, as " bridge ", link up the internal relation of fragmentation to missile target penetration ability with the aluminium alloy multilayer equivalent target, the missile component capability of resistance to penetration has all been set up equivalent relation with the anti-fragmentation penetration ability of guided missile multiple shell target.Thereby will be very complicated fragmentation capability study is converted into to the missile component penetration---fragmentation that can quantitative description is to the penetration capability study of guided missile multiple shell target.
3, set the kinematic parameter of anti-warship guided missle and bullet.Its parameter comprises:
Q: the approach angle of target.Promptly
The projection vector on horizontal plane and the angle of horizontal range
λ: the inclination angle of target course.Promptly
With the angle of cut on the horizontal plane
θ: trajectory tilt angle.
4, set up two coordinate systems: x coordinate system and y coordinate system.
The x coordinate system: with the target's center is initial point, x
1Axle be inclined range vertical plane with cross target perpendicular to the big gun eye-distance from the intersection of plane Q, forward is up.x
2Axle and x
1Axle coexists in the Q of plane, forward and air route forward homonymy.x
3Axle is the extended line of inclined range.
The y coordinate system: with the initial point is target's center, y
1The axle and
In the same way, y
2Axle be initial point perpendicular to
The plane and the intersection of horizontal plane, and and the direction of motion of target at x
1x
3The homonymy on plane, y
3Axle is by y
1, y
2Axle is determined by right-hand rule.
Each relevant vector being expressed as in the x coordinate system:
A wherein
1=V
mCos λ cosqsin ε
q+ V
mSin λ cos ε
q
a
2=V
mcosλsinq
a
3=V
mcosλcosqcosε
q+V
msinλcosε
q
B wherein
1=V
dSin θ cos ε
q-V
dCos θ sin ε
q
b
2=0
b
3=V
dcosθcosε
q+V
dsinθsinε
q
C wherein
1=b
1-a
1, c
2=-a
2, c
3=b
3-a
3
ε in the above expression formula
qBe the big gun order angle of cut
Arbitrfary point A{x in the x coordinate system
1, x
2, x
3By Coordinate Conversion, can convert the coordinate { y in the y coordinate system to
1, y
2, y
3.
5, target is divided into n
1Individual rapid wear cabin section, the coordinate kill probability of each cabin section is G
i(y
1, y
2, y
3), then the coordinate kill probability of whole target equals to kill and wound at least the probability of a cabin section, promptly
Be broken into many random fragmentations after the bullet blast, the fragmentation of various weight is graded by weight G
1, G
2, G
3..., G
k, the fragmentation number of various weight is respectively N
1, N
2..., N
kIf weight is G
jFragmentation be G to the coordinate kill probability of i cabin section of target
i (j)(y
1, y
2, y
3), then have
If P (1), P (2) ..., P (N
j) be respectively a fragmentation, two fragmentations are arranged ..., N is arranged
jIndividual fragmentation hits the probability of i cabin section, and (fragmentation herein refers to that weight is G
jFragmentation), G (1), G (2) ..., G (N
j) be respectively cabin section (i) and hit a fragmentation, two fragmentations ..., N
jInjure the conditional probability of cabin section during individual fragmentation accordingly.Can calculate weight by total probability formula is G
jFragmentation injure the coordinate kill probability of i cabin section:
(P(i)=G(i)=0,i=N
j+1,…)
Hit the fragmentation number of cabin section and obey Poisson distribution, promptly
Wherein: m
i (j)---it is G that i cabin section hit weight
jThe mathematic expectaion of fragmentation number.
Because do not consider not kill and wound accumulation, and each fragmentation to smash the cabin section be separate incident.Hitting under the condition of m piece fragmentation on the section of cabin, probability G (m) index of coincidence that kills and wounds the cabin section kills and wounds rule
G(m)=1-(1-P
1i (j))
m (5)
Wherein: P
1i (j)---the weight of hitting the cabin section is G
jThe probability of single piece of fragmentation damage cabin section
(4), (5) substitution (3) are got:
Get by (2) again
Get coordinate kill probability G (y by (1)
1, y
2, y
3) general expression formula
6, utilize above-mentioned model, calculate the kill probability of the proximity fuze prefabricated fragment ammunition of certain small-bore warship canon certain anti-warship guided missle.
The invention has the beneficial effects as follows: this method adopt computer to carry out data analysis, processing, so the gained result is accurate, quick, true to nature by modelling, and model by experiment calculates, at the speed V of anti-warship guided missle
m=300m/s, plunder sea flight, flying height is 6m, and proximity fuze prefabricated fragment ammunition is deposited speed and is V
d=700m/s, V
Dm=1000m/s, operating radius are under the condition of 2m, and the proximity fuze prefabricated fragment ammunition of certain small-bore warship canon is 0.56 to the kill probability of certain anti-warship guided missle.
[specific embodiment]
The invention will be further described below by embodiment.
1. determine that anti-warship guided missle easily damages vitals, is radar module, driving cabin, deck store and enging cabin;
2. to injure fragmentation number that one piece of anti-warship guided missle on average must hit, determine the equivalent relation of missile bay component penetration power resistance strength and guided missile multilayer rake for injuring criterion.
3. analyze anti-warship guided missle and proximity fuze prefabricated fragment ammunition:
The speed V of anti-warship guided missle
m=300m/s, the height of plunderring sea flight is 6m.Influence fuse is by to the sensation of information such as the existence of target, distance, orientation, speed with survey recognition objective, and can in time, automatically select fried point on trajectory, so that target is is effectively killed and wounded.Influence fuse of the present invention is meant electronic fuse, and it is that Radar Technology is transplanted to result on the influence fuse, is described as one of three big inventions during the World War II.Certain proximity fuze prefabricated fragment ammunition plays 534 millimeters of length entirely, 2.4 kilograms of weight, and bullet weighs 880 grams, explosive 120 grams, initial velocity 1025 meter per seconds are mainly used in the attack ASCM.The body of this ammunition is made by special steel, buries around the bullet wall 650 little tungsten balls are housed, and can produce 2400 little fragmentations after the blast, and the speed of on average dispersing is up to 1500 meter per seconds; To attacking anti-warship guided missle great lethality is arranged, in addition, the equipped influence fuse of this ammunition adopts doppler principle, and the responsive control device of automation is housed, can adjust automatically apart from the difference of water surface elevation with target and ignite radius, improve hit rate greatly target.Proximity fuze prefabricated fragment ammunition able to programme has appearred again at present, bullet weighs 1.1 kilograms, the tungsten ball that it is 3mm that bullet is embedded in 1100 diameters, this bullet initial velocity is 1100 meter per seconds, and its firing rate is 450/min, can launch 18 bullets of firing to target in 2.4s, and form 19800 bullets, this big gun can be controlled the detonation mode of bullet automatically according to dbjective state and tactics service condition, thereby obtains higher interception result.
4. set up x coordinate system and y coordinate system: the arbitrfary point A (x in the x coordinate
1, x
2, x
3) by Coordinate Conversion, convert the coordinate (y in the y coordinate system to
1, y
2, y
3).
5, present embodiment is to give the condition that regularly promptly crosses regularly at shooting condition, with the fried point coordinates function G (y of y coordinate system
1, y
2, y
3) calculate, it comprises following 8 computing formula:
Present embodiment is not considered the accumulation that kills and wounds of target.Target is divided into n
1Individual rapid wear cabin section, the coordinate kill probability of each cabin section is G
i(y
1, y
2, y
3), then the coordinate kill probability of whole target equals to kill and wound at least the probability of a cabin section, promptly
Be broken into many random fragmentations after the bullet blast, the fragmentation of various weight is graded by weight G
1, G
2, G
3..., G
k, the fragmentation number of various weight is respectively N
1, N
2..., N
kIf weight is G
jFragmentation be G to the coordinate kill probability of i cabin section of target
i (j)(y
1, y
2, y
3), then have
If P (1), P (2) ..., P (N
j) be respectively a fragmentation, two fragmentations are arranged ..., N is arranged
jIndividual fragmentation hits the probability of i cabin section, and (fragmentation herein refers to that weight is G
jFragmentation), G (1), G (2) ..., G (N
j) be respectively cabin section (i) and hit a fragmentation, two fragmentations ..., N
jInjure the conditional probability of cabin section during individual fragmentation accordingly.Can calculate weight by total probability formula is G
jFragmentation injure the coordinate kill probability of i cabin section:
(P(i)=G(i)=0,i=N
j+1,…)
Hit the fragmentation number of cabin section and obey Poisson distribution, promptly
Wherein: m
i (j)---it is G that i cabin section hit weight
jThe mathematic expectaion of fragmentation number.
Because do not consider not kill and wound accumulation, and each fragmentation to smash the cabin section be separate incident.Hitting under the condition of m piece fragmentation on the section of cabin, probability G (m) index of coincidence that kills and wounds the cabin section kills and wounds rule
G(m)=1-(1-P
1i (j))
m (5)
Wherein: P
1i (j)---the weight of hitting the cabin section is G
jThe probability of single piece of fragmentation damage cabin section
(4), (5) substitution (3) are got:
Get by (2) again
Get coordinate kill probability G (y by (1)
1, y
2, y
3) general expression formula
6, utilize above-mentioned model, calculate the kill probability of the proximity fuze prefabricated fragment ammunition of small-bore warship canon on computers certain anti-warship guided missle.
Claims (2)
1, a kind of proximity fuze prefabricated fragment ammunition is characterized in that the computational methods of anti-warship guided missle damage effect, and these computational methods comprise the steps:
1. vulnerability and the parts of determining guided missile are injured criterion:
Proximity fuze prefabricated fragment ammunition is anti-ballistic mainly to be that the breaking sheet destroys the missile target penetration, the problem that people generally are concerned about is to injure the fragmentation number that one piece of guided missile on average must hit what are, this is the most easy a kind of criterion, anti-ship missile target structure and drag complexity, if directly the missile component material object being carried out the capability study of fragmentation penetration will be that more complexity and expense are very high, for this reason, guided missile multilayer equivalent target notion is set up in proposition, with aluminium alloy multilayer equivalent target conduct " bridge ", link up the internal relation of fragmentation to missile target penetration ability, the missile component capability of resistance to penetration has all been set up equivalent relation with the anti-fragmentation penetration ability of guided missile multiple shell target, thus will be very complicated fragmentation capability study is converted into to the missile component penetration---fragmentation that can quantitative description is to the penetration capability study of guided missile multiple shell target;
2. set up x coordinate system and y coordinate system:
The x coordinate system: with the target's center is initial point, x
1Axle be inclined range vertical plane with cross target perpendicular to the big gun eye-distance from the intersection of plane Q, forward up, x
2Axle and x
1Axle coexists in the Q of plane, forward and air route forward homonymy, x
3Axle is the extended line of inclined range:
The y coordinate system: initial point is a target's center, y
1The axle and
In the same way, y
2Axle be initial point perpendicular to
The plane and the intersection of horizontal plane, and and the direction of motion of target at x
1x
3The homonymy on plane, y
3Axle is by y
1, y
2Axle is determined by right-hand rule;
3. target is divided into n
1Individual rapid wear cabin section, the coordinate kill probability of each cabin section is G
i(y
1, y
2, y
3), then the coordinate kill probability of whole target equals to kill and wound at least the probability of a cabin section, promptly
Be broken into many random fragmentations after the bullet blast, the fragmentation of various weight is graded by weight G
1, G
2, G
3..., G
k, the fragmentation number of various weight is respectively N
1, N
2..., N
k, establishing weight is G
jFragmentation be G to the coordinate kill probability of i cabin section of target
i (j)(y
1, y
2, y
3), then have
If P (1), P (2) ..., P (N
j) be respectively a fragmentation, two fragmentations are arranged ..., N is arranged
jIndividual fragmentation hits the probability of i cabin section, and (fragmentation herein refers to that weight is G
jFragmentation), G (1), G (2) ..., G (N
j) be respectively cabin section (i) and hit a fragmentation, two fragmentations ..., N
jInjure the conditional probability of cabin section during individual fragmentation accordingly, can calculate weight by total probability formula is G
jFragmentation injure the coordinate kill probability of i cabin section:
(P(i)=G(i)=0,i=N
j+1,…)
Hit the fragmentation number of cabin section and obey Poisson distribution, promptly
Wherein: m
i (j)---it is G that i cabin section hit weight
jThe mathematic expectaion of fragmentation number;
Because do not consider not kill and wound accumulation, and each fragmentation to smash the cabin section be separate incident, hitting under the condition of m piece fragmentation on the section of cabin, probability G (m) index of coincidence that kills and wounds the cabin section kills and wounds rule
Wherein: P
1i (j)---the weight of hitting the cabin section is G
jThe probability of single piece of fragmentation damage cabin section with (4), (5) substitution (3):
Get by (2) again
Get coordinate kill probability G (y by (1)
1, y
2, y
3) general expression formula
4. utilize above-mentioned model, calculate the kill probability of the proximity fuze prefabricated fragment ammunition of certain small-bore warship canon certain anti-warship guided missle.
2, computational methods according to claim 1 is characterized in that in x coordinate system and the y coordinate system, each relevant vector being expressed as in the x coordinate:
A wherein
1=V
mCos λ cos q sin ε
q+ V
mSin λ cos ε
q
a
2=V
m?cosλsinq
a
3=V
m?cosλcosqcosε
q+V
msinλcosε
q
B wherein
1=V
dSin θ cos ε
q-V
dCos θ sin ε
q
b
2=0
b
3=V
dcosθcosε
q+V
dsinθsinε
q
C wherein
1=b
1-a
1, c
2=-a
2, c
3=b
3-a
3
ε in the above expression formula
qBe the big gun order angle of cut
Arbitrfary point A{x in the x coordinate system
1, x
2, x
3By Coordinate Conversion, can convert the coordinate { y in the y coordinate system to
1, y
2, y
3.
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CNB200510032186XA CN1332171C (en) | 2005-09-20 | 2005-09-20 | Method for computing damage effects of pre-set explosure bomb with proximity fuze to antiship missle |
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CN1332171C CN1332171C (en) | 2007-08-15 |
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Cited By (8)
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CN103279680A (en) * | 2013-06-08 | 2013-09-04 | 南京理工大学 | Method and system for assessing human body trauma caused by air blasts |
CN108073748A (en) * | 2016-11-18 | 2018-05-25 | 南京航空航天大学 | A kind of guided missile damage effects group decision appraisal procedure based on intuitionistic fuzzy entropy weight method |
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CN114091255A (en) * | 2021-11-22 | 2022-02-25 | 中国人民解放军海军大连舰艇学院 | Firepower damage assessment simulation method for gun-to-ground indirect firing |
CN114251984A (en) * | 2021-12-16 | 2022-03-29 | 中国人民解放军火箭军工程大学 | Equivalent target design method of solid propulsion device |
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2005
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CN103279680A (en) * | 2013-06-08 | 2013-09-04 | 南京理工大学 | Method and system for assessing human body trauma caused by air blasts |
CN107798208B (en) * | 2016-08-28 | 2021-07-13 | 南京理工大学 | Algorithm for maximum damage of flying fragments of air-target missile |
CN108073748A (en) * | 2016-11-18 | 2018-05-25 | 南京航空航天大学 | A kind of guided missile damage effects group decision appraisal procedure based on intuitionistic fuzzy entropy weight method |
CN108984808A (en) * | 2017-06-04 | 2018-12-11 | 南京理工大学 | Fuze warhead matching emulation intersection fragmentation point of impact calculation method of parameters |
JP2019045049A (en) * | 2017-08-31 | 2019-03-22 | 株式会社Ihiエアロスペース | Guiding rocket ammunition and its control method |
CN112710196A (en) * | 2021-02-04 | 2021-04-27 | 中国人民解放军63863部队 | Target design method based on structural equivalence |
CN114091255A (en) * | 2021-11-22 | 2022-02-25 | 中国人民解放军海军大连舰艇学院 | Firepower damage assessment simulation method for gun-to-ground indirect firing |
CN114091255B (en) * | 2021-11-22 | 2023-09-01 | 中国人民解放军海军大连舰艇学院 | Fire damage evaluation simulation method for indirect firing of warships and warships |
CN114251984A (en) * | 2021-12-16 | 2022-03-29 | 中国人民解放军火箭军工程大学 | Equivalent target design method of solid propulsion device |
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