CN115424494A - Ship windward section, water-ward section and navigation simulation method - Google Patents

Ship windward section, water-ward section and navigation simulation method Download PDF

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Publication number
CN115424494A
CN115424494A CN202211079408.3A CN202211079408A CN115424494A CN 115424494 A CN115424494 A CN 115424494A CN 202211079408 A CN202211079408 A CN 202211079408A CN 115424494 A CN115424494 A CN 115424494A
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China
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section
water
ship
windward
ward
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CN202211079408.3A
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许伟
刘家振
何学军
杜又功
闫亚胜
李健康
吴宪宇
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PLA NAVAL LOGISTICS COLLEGE
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PLA NAVAL LOGISTICS COLLEGE
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B9/00Simulators for teaching or training purposes
    • G09B9/02Simulators for teaching or training purposes for teaching control of vehicles or other craft
    • G09B9/06Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of ships, boats, or other waterborne vehicles
    • G09B9/066Sailing; Surfing

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  • Theoretical Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Business, Economics & Management (AREA)
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  • General Physics & Mathematics (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)

Abstract

The invention provides a ship windward section, a ship windward section and a navigation simulation method. The water-cooled ship is characterized in that the windward section and the water-ward section are arranged on the right end face of the ship, the windward section is arranged on the upper part of the water-ward section, and an included angle between the windward section and the water-ward section is set to be 80-90 degrees in a normal state; when in navigation simulation state, the included angle between the windward section and the water-ward section is set to be 90-135 degrees. The inclination of the windward section and the water-ward section is changed, three times of simulation operation is performed, the operation method is simple, and the marking function is added; the water inlet condition of the ship in the simulation can be determined in real time, and the size and the inclination angle of the windward section and the water-ward section of the ship cannot be changed arbitrarily under the standard quantity; through simulation comparison many times, can demonstrate analog operation based on the windward side to can master boats and ships upstream face position height in real time, thereby guarantee boats and ships launching navigation stability, through continuous detection and analog operation, can confirm the condition of boats and ships navigation fast.

Description

Ship windward section, water-ward section and navigation simulation method
Technical Field
The invention belongs to the technical field of navigation simulation, and particularly relates to a navigation simulation method for a windward section and a water-ward section of a ship based on the windward section and the water-ward section of the ship.
Background
The general term of ships. The ship is a vehicle which can sail or berth in a water area for transportation or operation, has different technical performances, equipment and structural types according to different use requirements, needs a person to drive when the ship sails on the water surface, needs training before driving, is used along with the development of productivity and science and technology in ship simulation sailing, and can be used for training ship sailing and driving for a novice to facilitate the user to experience ship driving.
The invention discloses a ship sailing simulation cabin in the prior art, which is CN113362675A, and comprises a chassis, wherein a control console is fixedly mounted on one side of the top of the chassis, the control console is used for simulating driving control equipment, a seat is fixedly mounted on the top of the chassis, the seat faces the control console, a bottom opening is formed in the top of the chassis, the bottom opening is a rectangular opening, the bottom opening is positioned on one side of the seat, a dome is fixedly mounted on the edge of the top of the chassis, the dome is in the shape of an inverted bucket and is used for displaying pictures for simulating sailing, and an outlet is formed in the side wall of the dome; however, the conventional ship navigation simulation cabin has the problems that the navigation simulation effect is unstable, the simulation demonstration operation cannot be performed based on the windward section and the water-facing section of the ship, and the function of marking the position of the water-facing section is not realized.
Therefore, the invention provides a ship windward section and a ship waterward section, and a navigation simulation method based on the ship windward section and the ship waterward section. It appears to be very necessary.
Disclosure of Invention
In order to solve the technical problems, the invention provides a navigation simulation method based on the windward section and the water-facing section of a ship, which can perform demonstration simulation operation based on the windward side and can master the position height of the water-facing surface of the ship in real time so as to ensure the launching navigation stability of the ship, and can rapidly determine the navigation condition of the ship through continuous detection and simulation operation;
the invention is realized by the following technical scheme:
a ship windward section and a ship waterward section are provided, wherein the windward section and the waterward section are arranged on the right end face of a ship, the windward section is arranged on the upper part of the waterward section, and in a normal state, an included angle between the windward section and the waterward section is set to be 80-90 degrees; when in navigation simulation state, the included angle between the windward section and the water-ward section is set to be 90-135 degrees.
As one embodiment of the present invention, in a sailing simulation state, the section length of the windward section is greater than the section length of the water-ward section, the water entry angle is twice greater than the water entry angle of the ship during normal sailing, the included angle between the windward section and the water-ward section is set to 120-135 °, and the section inclination angle of the water-ward section is smaller than the inclination angle of the water-ward section during normal sailing.
As still another embodiment of the present invention, the section length of the windward section is equal to the section length of the water-ward section in the sailing simulation state, the water entry angle is two times larger than the water entry angle of the ship in normal sailing, the included angle between the windward section and the water-ward section is set to 100-125 °, and the section inclination angle of the water-ward section is smaller than the inclination angle of the water-ward section in normal sailing.
As another embodiment of the present invention, in the sailing simulation state, the section length of the windward section is smaller than the section length of the water-ward section, the water entry angle is three times larger than the water entry angle of the ship in normal sailing, the included angle between the windward section and the water-ward section is set to 90-105 °, and the section inclination angle of the water-ward section is smaller than the inclination angle of the water-ward section in normal sailing.
Preferably, in a normal state, the water entry angle of the ship is set to a standard water entry angle.
Furthermore, the inclination angle of the windward section changes along with the inclination angle of the water-ward section.
Furthermore, the windward section is an arc surface, and the water-ward section is an arc surface.
The invention also provides a navigation simulation method based on the windward section and the water-facing section of the ship, which comprises the following steps of:
the method comprises the following steps: during normal state, determining a ship navigation simulation angle, firstly measuring and determining the slope of the windward section and the water-facing section of the ship, then measuring and marking the water-entering angle according to navigation simulation requirements, then measuring and marking the water-entering position of the water-facing section of the ship, setting the water-entering position of the water-facing section at the moment as a standard position A, and setting the windward section and the water-facing section of the ship as normal standard quantities;
step two: first ship navigation simulation operation, according to simulation requirements, changing the angle and the length of a windward section and a waterward section, namely the section length of the windward section is greater than that of the waterward section, the section inclination angle of the waterward section is smaller than that of the waterward section when the ship normally navigates, the ship navigates under a normal navigation condition, the windward amount at the moment is greater than that of the normal navigation of the ship, and the water intake amount at the moment is twice greater than that of the normal navigation of the ship, and marking the water intake position of the waterward section, namely the water intake position B;
step three: the ship navigation simulation operation is carried out for the second time, the angle and the length of the windward section and the water-ward section are changed according to the simulation requirement, namely the section length of the windward section is equal to the section length of the water-ward section, the section inclination angle of the water-ward section is smaller than that of the water-ward section when the ship normally navigates, the ship navigation behavior is abnormal, the head falling condition and the tail flicking condition occur, the windward quantity at the moment is larger than that of the ship when the ship normally navigates, the water intake quantity at the moment is two times larger than that of the ship when the ship normally navigates, the ship obviously decelerates, the navigation efficiency becomes low, and the water intake position of the water-ward section is marked to be the water intake position C;
step four: and thirdly, ship navigation simulation operation is carried out, angles and lengths of the windward section and the water-ward section are changed according to simulation requirements, namely the section length of the windward section is smaller than that of the water-ward section, the section inclination angle of the water-ward section is smaller than that of the water-ward section when the ship normally navigates, the ship navigates in an abnormal navigation condition, and yaw and speed reduction conditions occur.
Compared with the prior art, the invention has the following beneficial effects: the inclination of the windward section and the water-ward section of the ship in normal navigation is changed, so that three times of simulation operation can be performed, the operation method is simple, and the marking function is added; the invention can determine the water inlet condition of the ship in simulation in real time, and also know that the water inlet position B is more than the standard position A, the water inlet position C is more than the standard position A, and the water inlet position D is more than the standard position A, thereby determining that the size or the inclination angle of the windward section and the water-ward section of the ship can not be changed arbitrarily under the standard quantity; through multiple times of simulation comparison, the invention can perform demonstration simulation operation based on the windward side and can master the position height of the water-facing surface of the ship in real time, thereby ensuring the launching navigation stability of the ship, and through continuous detection and simulation operation, the navigation condition of the ship can be quickly determined.
Drawings
FIG. 1 is a flow chart of a sailing simulation method for a water-facing section based on a wind-facing section of a ship according to the present invention;
FIG. 2 is a schematic overall structure of the present invention;
FIG. 3 is a schematic view of the configuration of the first simulated change in the windward and water-ward cross-sections of the vessel of the present invention;
FIG. 4 is a schematic view of the configuration of a second simulated change in the windward and water-ward cross-sections of the vessel of the present invention;
fig. 5 is a schematic structural view of a third simulated change in the windward section and the water-ward section of the ship of the present invention.
In the figure: 1. a vessel; 2. a windward cross section; 3. the water-facing section.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The utility model provides a based on boats and ships windward cross-section, includes boats and ships 1, combine to show in figure 2, be provided with windward cross-section 2 and water-facing cross-section 3 at boats and ships 1's right-hand member face, windward cross-section 2 sets up on water-facing cross-section 3 upper portion, and during normal condition, the contained angle between boats and ships 1 windward cross-section 2 and the water-facing cross-section 3 sets up to 80-90, sets up to standard reference value to can simulate contrast operation, and set up the angle of entry when normally sailing boats and ships 1 as standard angle of entry.
In the navigation simulation state, the inclination angle of the windward section 2 changes along with the inclination angle of the water-ward section 3, so that the included angle between the windward section and the water-ward section is 90-135 degrees. In the invention, the windward section 2 is set as a cambered surface, and the water-ward section 3 is also set as a cambered surface, and as a standard quantity, the simulation navigation operation can be carried out, so that the navigation condition of the ship 1 is determined.
As shown in fig. 3, the section length of the windward section 2 is greater than the section length of the water-ward section 3, and the water entry angle is twice greater than that of the ship 1 when the ship is normally sailed, and the included angle between the windward section 2 and the water-ward section 3 is set to 120 to 135 °, and the section inclination angle of the water-ward section 3 is smaller than that of the water-ward section 3 of the ship 1 when the ship is normally sailed, so as to perform the first simulated sailing change operation.
As shown in fig. 4, the section length of the windward section 2 is equal to the section length of the water-ward section 3, and the water entry angle is two times larger than that of the ship 1 in normal navigation, and the angle between the windward section 2 and the water-ward section 3 is set to 100-125 °, and the section inclination angle of the water-ward section 3 is smaller than that of the water-ward section 3 of the ship 1 in normal navigation, so as to perform the second simulated navigation change operation.
As shown in fig. 5, the section length of the windward section 2 is smaller than that of the water-ward section 3, the water entry angle is three times larger than that of the ship 1 in normal navigation, the included angle between the windward section 2 and the water-ward section 3 is set to 90-105 °, and the section inclination angle of the water-ward section 3 is smaller than that of the water-ward section 3 of the ship 1 in normal navigation, so as to perform a third simulated navigation change operation.
A sailing simulation method of an upwind section based on a windward section of a ship specifically comprises the following steps:
referring specifically to the description, FIG. 1 illustrates:
s101: determining a normal ship navigation simulation angle, namely firstly measuring and determining the gradients of a windward section 2 and a water-ward section 3 of a normal ship 1, then measuring and marking the size of a water inlet angle according to navigation simulation requirements, then measuring the water inlet angle, determining the water inlet position of the water-ward section 3 of the normal ship 1, and marking the water inlet position of the water-ward section 3, wherein the water inlet position of the water-ward section 3 is a standard position A;
s102: the first ship navigation simulation operation is carried out, according to simulation requirements, angles and lengths of a windward section 2 and a water-ward section 3 are changed, namely the section length of the windward section 2 is larger than that of the water-ward section 3, the section inclination angle of the water-ward section 3 is smaller than that of the water-ward section 3 when a ship 1 is normally navigated, the ship 1 navigates to be in a normal navigation condition, the windward amount at the moment is larger than that of the ship 1 when the ship is normally navigated, the water intake amount at the moment is twice as large as that of the ship 1 when the ship is normally navigated, the water intake position of the water-ward section 3 is marked to be a water intake position B, the change of the water displacement of the ship 1 during navigation can be obviously seen, but the change of the water displacement at the moment is not large, the change of the water displacement can be changed along with the navigation speed change of the ship 1, and the navigation of the ship 1 is time-consuming and labor-consuming;
103: second ship navigation simulation operation, according to simulation requirements, changing angles and lengths of the windward section 2 and the water-ward section 3, namely the section length of the windward section 2 is equal to the section length of the water-ward section 3, the section inclination angle of the water-ward section 3 is smaller than that of the water-ward section 3 when the ship 1 normally navigates, and the ship 1 navigates abnormally (head drop and tail flicking occur), wherein the windward amount is larger than that of the ship 1 when the ship normally navigates, and the water intake amount is two times larger than that of the ship 1 when the ship normally navigates, so that the ship 1 obviously decelerates and navigates with low efficiency, and the water intake position of the water-ward section 3 is marked as the water intake position C, so that the water discharge amount of the ship 1 during navigation can be obviously seen to change greatly, the water discharge amount change at the moment begins to increase, and the water discharge amount can also change greatly along with the change of the navigation speed of the ship 1, and further the ship 1 wastes more time and more labor;
104: and thirdly, ship navigation simulation operation is carried out, according to simulation requirements, angles and lengths of the windward section 2 and the water-ward section 3 are changed, namely the section length of the windward section 2 is smaller than that of the water-ward section 3, the section inclination angle of the water-ward section 3 is smaller than that of the water-ward section 3 when the ship 1 is normally navigated, the navigation behavior of the ship 1 is abnormal navigation conditions (yaw condition and deceleration condition), the windward quantity is larger than that when the ship 1 is normally navigated, the water intake quantity is three times larger than that when the ship is normally navigated, the ship 1 obviously slows down, the yaw condition is generated, the water discharge quantity is increased, the navigation efficiency is obviously reduced, the water intake position of the water-ward section 3 is marked, namely the water intake position D, the water discharge quantity of the ship 1 during navigation is larger, and the water intake quantity is not only changed along with the change of the navigation speed change, so that the ship 1 makes navigation unstable.
The steps can be summarized as follows: any change of the windward section 2 and the water-ward section 3 with standard quantity can increase the water inflow quantity of the ship 1, and can also be known through simulation,
the water entry position B is larger than the standard position A, and the sailing speed of the ship 1 is not changed greatly and has no influence;
the water inlet position C is larger than the standard position A, the sailing speed of the ship 1 is greatly changed, and the speed of the ship 1 is influenced by slowing;
the sailing speed of the ship 1 is greatly changed when the water entry position D is larger than the standard position A, the sailing speed of the ship 1 is influenced, and the sailing process speed of the ship 1 is seriously influenced by the yaw condition and the speed reduction.
The steps can be summarized as follows: the water inflow of the ship 1 is increased by changing the windward section 2 and the water-ward section 3 by any standard amount, and the simulation can also show that,
the water entry position B is larger than the standard position A, the water entry position C is larger than the standard position A, the water entry position D is larger than the standard position A, so that the displacement of the ship 1 is forced to be increased, the sailing efficiency of the ship 1 is reduced, and meanwhile, the windward angle is reduced, the water attack is increased, and the sailing of the ship is unstable;
therefore, the windward section 2 and the waterward section 3 of the ship 1 cannot be arbitrarily changed by a standard amount.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application.

Claims (8)

1. A ship windward section and a ship waterward section are characterized in that the windward section and the waterward section are arranged on the right end face of a ship, the windward section is arranged on the upper portion of the waterward section, and in a normal state, an included angle between the windward section and the waterward section is set to be 80-90 degrees; when in a sailing simulation state, the included angle between the windward section and the water-ward section is set to be 90-135 degrees.
2. The vessel wind-facing section and water-facing section according to claim 1, wherein the section length of the wind-facing section is greater than the section length of the water-facing section in a simulated navigation state, the water entry angle is twice greater than the water entry angle of the vessel in a normal navigation state, and the angle between the wind-facing section and the water-facing section is set to 120 to 135 °, and the section inclination angle of the water-facing section is smaller than the inclination angle of the water-facing section in a normal navigation state.
3. The vessel according to claim 1, wherein the section length of the windward section is equal to the section length of the water-ward section in a simulated navigation state, the water entry angle is two times larger than the water entry angle of the vessel in a normal navigation state, and the angle between the windward section and the water-ward section is set to 100 to 125 °, and the section inclination angle of the water-ward section is smaller than the inclination angle of the water-ward section in a normal navigation state.
4. The vessel wind-facing section and water-facing section according to claim 1, wherein the section length of the wind-facing section is smaller than that of the water-facing section in a simulated navigation state, the water entry angle is three times larger than that in a normal navigation of the vessel, and an angle between the wind-facing section and the water-facing section is set to 90 to 105 °, and the section inclination angle of the water-facing section is smaller than that in the normal navigation of the vessel.
5. The vessel sections according to claim 1, wherein the water entry angle of the vessel is set to a standard water entry angle in a normal state.
6. The vessel windward and waterward sections of claim 1, wherein the angle of inclination of the windward section varies with the angle of inclination of the waterward section.
7. The windward section and the water-ward section of the ship of claim 1, wherein the windward section is an arc surface, and the water-ward section is an arc surface.
8. A method for simulating a voyage of a ship according to any one of claims 1 to 7, wherein the method comprises the following steps: the method comprises the following steps:
the method comprises the following steps: during normal state, determining a ship navigation simulation angle, firstly measuring and determining the slope of the windward section and the water-facing section of the ship, then measuring and marking the water-entering angle according to navigation simulation requirements, then measuring and marking the water-entering position of the water-facing section of the ship, setting the water-entering position of the water-facing section at the moment as a standard position A, and setting the windward section and the water-facing section of the ship as normal standard quantities;
step two: carrying out first ship navigation simulation operation, changing the angle and the length of a windward section and a water-ward section according to simulation requirements, namely changing the section length of the windward section to be larger than the section length of the water-ward section, wherein the section inclination angle of the water-ward section is smaller than that of the water-ward section when the ship normally navigates, the ship navigates under the normal navigation condition, the windward amount at the moment is larger than that of the normal navigation of the ship, and the water entry amount at the moment is twice as large as that of the normal navigation of the ship, and marking the water entry position of the water-ward section to be the water entry position B;
step three: performing secondary ship navigation simulation operation, namely changing the angle and the length of the windward section and the water-ward section according to simulation requirements, namely changing the section length of the windward section to be equal to the section length of the water-ward section, wherein the section inclination angle of the water-ward section is smaller than that of the water-ward section when the ship normally navigates, and the ship navigates abnormally, so that the conditions of head falling and tail flicking occur, the windward quantity at the moment is larger than that of the ship when the ship normally navigates, the water inflow at the moment is two times larger than that of the ship when the ship normally navigates, the ship obviously decelerates, the navigation efficiency becomes low, and the water inflow position of the water-ward section is marked to be the water inflow position C;
step four: and thirdly, ship navigation simulation operation is carried out, the angles and the lengths of the windward section and the water-ward section are changed according to simulation requirements, namely the section length of the windward section is smaller than that of the water-ward section, the section inclination angle of the water-ward section is smaller than that of the water-ward section when the ship normally sails, the ship sailing behavior is abnormal, yawing and speed reduction conditions occur, the windward amount at the moment is larger than that of the ship when the ship normally sails, the water inflow amount at the moment is three times larger than that of the ship when the ship normally sails, the ship obviously slows down, yawing conditions occur, the water displacement is increased, the sailing efficiency is obviously reduced, and the water inflow position of the water-ward section is marked to be the water inflow position D.
CN202211079408.3A 2022-09-05 2022-09-05 Ship windward section, water-ward section and navigation simulation method Pending CN115424494A (en)

Priority Applications (1)

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CN202211079408.3A CN115424494A (en) 2022-09-05 2022-09-05 Ship windward section, water-ward section and navigation simulation method

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Application Number Priority Date Filing Date Title
CN202211079408.3A CN115424494A (en) 2022-09-05 2022-09-05 Ship windward section, water-ward section and navigation simulation method

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CN115424494A true CN115424494A (en) 2022-12-02

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