阅读说明：本技术 船舶总布置的参数化舱室区域化布局方法 (Regional layout method for parameterized cabin of ship general arrangement ) 是由 姜文英 牟立伟 周华伟 肖海松 侯远杭 于 2020-07-29 设计创作，主要内容包括：本发明公开了一种船舶总布置的参数化舱室区域化布局方法,其特征在于,包括以下步骤：步骤1,设计主要甲板和横纵舱壁；步骤2,通过主要甲板和横纵舱壁,对主船体进行分隔,从而形成主要功能区域；步骤3,以各舱室之间的相邻关系为依据,在各主要功能区域内布局相应重点舱室和通道；步骤4,通过使用基于灰色关联度的评估计算方法,对各功能区域内的重点舱室区域化布局进行优化。本发明的参数化舱室区域化布局方法对船舶的舱室区域化布局进行优化,使作业流程能够有序和高效的进行,并提升船舶作业的总体功效。(The invention discloses a regional layout method of a parameterized cabin of a ship general layout, which is characterized by comprising the following steps of: step 1, designing a main deck and transverse and longitudinal bulkheads; step 2, separating the main ship body through a main deck and transverse and longitudinal bulkheads so as to form a main functional area; step 3, based on the adjacent relation between the cabins, corresponding key cabins and channels are distributed in each main functional area; and 4, optimizing the regional layout of the key cabins in each functional region by using an evaluation calculation method based on the grey correlation degree. The regional layout method of the parameterized cabin optimizes the regional layout of the cabin of the ship, so that the operation process can be performed orderly and efficiently, and the overall efficiency of the ship operation is improved.)

1. A regional layout method for a parameterized cabin of a ship general layout is characterized by comprising the following steps:

step 1, designing a main deck and transverse and longitudinal bulkheads;

step 2, separating the main ship body through a main deck and transverse and longitudinal bulkheads so as to form a main functional area;

step 3, based on the adjacent relation between the cabins, corresponding key cabins and channels are distributed in each main functional area;

and 4, optimizing the regional layout of the key cabins in each functional region by using an evaluation calculation method based on the grey correlation degree.

2. A regional layout method for the parameterized cabin of the overall arrangement of ships according to claim 1, wherein in step 1, the main deck and the transverse and longitudinal bulkheads are defined by using the parameterized method, and the formula is as follows:

in the formula: DK_iRepresents the ith deck; NO_DA number representing the i-th deck; z_DIndicating the vertical height of the ith deck; x₁And X₂Respectively representing the longitudinal starting position and the longitudinal ending position of the ith layer of deck; mark_DDescriptive information representing the i-th deck; BH_jRepresents the jth transverse bulkhead; NO_BA number representing the jth bulkhead; x_BThe longitudinal position of the jth transverse bulkhead is shown; z₁And Z₂Respectively showing the starting position and the ending position of the jth bulkhead in the vertical direction; mark_BDescriptive information representing the jth transverse bulkhead; LH_kRepresents the kth longitudinal bulkhead; NO_LA number representing the kth longitudinal bulkhead; y is_BDenotes the kthThe transverse position of each bulkhead; z₁And Z₂Respectively showing the vertical starting position and the vertical ending position of the kth longitudinal bulkhead; mark_LAnd (4) indicating the description information of the k-th longitudinal bulkhead.

3. A method for regional arrangement of parameterized compartments in a ship's general arrangement according to claim 1 or 2, characterized in that the transverse and longitudinal bulkheads are crash bulkheads or front or rear cabin walls.

4. The method as claimed in claim 1, wherein in step 3, the key compartments and the passageways are arranged by arranging concentrated compartments having similar functions and arranging sub-compartments that are not suitable for being adjacent to each other, so as to form a compartment regional arrangement scheme.

5. The method as claimed in claim 1, wherein the step 4 of optimizing the regional layout of the key compartments in each functional area is to build a mathematical model for evaluating and optimizing the regional layout of the compartments of the ship, and the correlation degree between the compartments is expressed by a grey correlation relationship; the influence factor influencing the grey correlation relation is environmental load.

6. The method as claimed in claim 5, wherein the environmental loads include mechanical noise, propeller induced vibration, and amplitude of motion of the vessel.

7. A method for parameterizing the regional layout of the compartments of a ship's general layout according to claim 5, wherein the objective function of the regional layout of the compartments is given by the formula:

opt minU(x,L)＝min[1-(β₁U_global+β₂U_rel+β₃U_we)](2)

in the formula: u is an objective function of the cabin regional layout; x is a design variable and represents a cabin regional layout scheme; l is a random variable of the environmental load; u shape_globalIs a global position parameter; relative position parameter U of cabin distribution_relConstraint limits representing proximity or distancing between the cabins; u shape_weIs the weight distribution parameter of the cabin; beta is a_iThe weight coefficient (i 1,2,3) for each sub-target is determined by the designer.

8. The regional layout method of the parameterized cabin in the total layout of the ship according to claim 1 or 5, wherein the evaluation calculation method based on the grey correlation is used to express the design content of the large surface and the cabin and the design property of the adjacent relationship between the cabins by the parameterization method as the input conditions.

9. The method as claimed in claim 5, wherein after the mathematical model for evaluating and optimizing the ship cabin regional layout is established, the utility value of the environmental load of each main functional region of the whole ship is set, the environmental load of each cabin is defined, a proper iterative calculation method is selected, and each cabin to be allocated is allocated to different functional regions according to design requirements.

10. The method as claimed in claim 9, wherein the iterative computation method is a particle swarm algorithm.

Technical Field

The invention relates to a regional layout method for a parameterized cabin of a ship general layout, and belongs to the technical field of ships.

Background

With the increasing demand for the efficiency of marine operations. The ship design research based on the operation efficacy has important significance for the improvement of ship design research and development capability, the progress of industry and the development of science and technology.

The general arrangement of the ship is in a limited space range inside the main ship body, and cabins and channels are reasonably arranged so as to realize functions of navigation, operation and the like of the ship. The subjectivity and uncertainty of cabin layout are strong, and the traditional layout mode is completed by repeatedly modifying a design spiral for many times depending on the subjective experience of a general designer on the basis of the layout scheme of a mother ship.

In the general arrangement design process of the ship, the cabin regional layout is characterized in that the cabins with similar functions are concentrated in the same regional layout, and the cabins which are not suitable for being adjacent are arranged in different regions, so that the functional efficacy of the ship is improved. And the regional layout problem of the ship cabin also needs to be compatible with space and functional requirements, and the space and performance requirements are considered. However, although the current design method already embodies the idea of the regionalized layout, there is no effective theoretical basis for optimizing the regionalized layout of the cabin.

Particularly, large-scale water surface ships have complex and various task functions, so that various cabins and passages are numerous, the functions of the cabins are crossed to a certain extent, and the difficulty of cabin regional layout is further increased.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: how to optimize the compartmentalized layout of the cabin.

In order to solve the above technical problem, a technical solution of the present invention is to provide a regional layout method for a parameterized cabin of a ship's total layout, comprising the following steps:

step 1, designing a main deck and transverse and longitudinal bulkheads;

step 2, separating the main ship body through a main deck and transverse and longitudinal bulkheads so as to form a main functional area;

step 3, based on the adjacent relation between the cabins, corresponding key cabins and channels are distributed in each main functional area;

and 4, optimizing the regional layout of the key cabins in each functional region by using an evaluation calculation method based on the grey correlation degree.

Preferably, in step 1, the main deck and the transverse and longitudinal bulkheads are defined by using a parameterization method, and the formula is as follows:

in the formula: DK_iRepresents the ith deck; NO_DA number representing the i-th deck; z_DIndicating the vertical height of the ith deck; x₁And X₂Respectively representing the longitudinal starting position and the longitudinal ending position of the ith layer of deck; mark_DDescriptive information representing the i-th deck; BH_jRepresents the jth transverse bulkhead; NO_BA number representing the jth bulkhead; x_BThe longitudinal position of the jth transverse bulkhead is shown; z₁And Z₂Respectively showing the starting position and the ending position of the jth bulkhead in the vertical direction; mark_BDescriptive information representing the jth transverse bulkhead; LH_kRepresents the kth longitudinal bulkhead; NO_LA number representing the kth longitudinal bulkhead; y is_BIndicating the transverse position of the kth bulkhead; z₁And Z₂Respectively showing the vertical starting position and the vertical ending position of the kth longitudinal bulkhead; mark_LAnd (4) indicating the description information of the k-th longitudinal bulkhead.

Preferably, the transverse bulkhead and the longitudinal bulkhead are anti-collision bulkheads or front walls of the engine room or rear walls of the engine room.

Preferably, in the step 3, when the key cabins and the passages are arranged, concentrated areas of the cabins with similar functions are arranged, and sub-areas of the cabins which are not suitable for being adjacent are arranged, so that a regional arrangement scheme of the cabins is formed.

Preferably, in the step 4, the regional layout of the key cabins in each functional region is optimized to establish a mathematical model for evaluating and optimizing the regional layout of the ship cabins, and the association degree between the cabins is expressed through a gray association degree relation; the influence factor influencing the grey correlation relation is environmental load.

Preferably, the environmental load comprises mechanical noise, propeller induced vibration, and amplitude of motion of the vessel.

Preferably, the formula of the objective function of the cabin regional layout is as follows:

opt minU(x,L)＝min[1-(β₁U_global+β₂U_rel+β₃U_we)](2)

in the formula: u is an objective function of the cabin regional layout; x is a design variable and represents a cabin regional layout scheme; l is a random variable of the environmental load.

Preferably, the gray correlation-based evaluation calculation method is used, and the design contents of the large surface and the cabin and the design attributes of the adjacent relations between the cabins are expressed by a parameterization method to serve as input conditions.

Preferably, after the mathematical model for evaluating and optimizing the regional layout of the ship cabins is established, the utility value of the environmental load of each main functional region of the whole ship is set, the environmental load of each cabin is defined, a proper iterative calculation method is selected, and each cabin to be distributed is distributed to different functional regions according to the design requirement.

Preferably, the iterative computation method is a particle swarm algorithm.

Compared with the prior art, the invention has the beneficial effects that:

1. the regional layout method of the parameterized cabin expresses the design content and the design attribute of the overall layout of the ship by using the parameterized method, and increases a database storage mode on the basis of embodying a design scheme through drawings and documents, thereby realizing the informatization of the design and providing a data basis for the subsequent optimized design and three-dimensional design.

2. The regional layout method of the parameterized cabin uses an evaluation calculation method based on the grey correlation degree, and provides a theoretical basis for regional optimized layout of the cabin of the ship general layout.

3. The regional layout method of the parameterized cabin optimizes the regional layout of the cabin of the ship, so that the operation process can be performed orderly and efficiently, the use efficiency of the cabin is effectively improved, and the overall efficiency of the ship operation is improved.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The invention provides a regional layout method of a parameterized cabin of a ship general layout, which comprises the following steps:

step 1, defining the main deck and the transverse and longitudinal bulkheads by using a parameterization method, wherein the formula is shown as follows.

In the formula: DK_iRepresents the ith deck; NO_DA number representing the i-th deck; z_DIndicating the vertical height of the ith deck; x₁And X₂Respectively representing the longitudinal starting position and the longitudinal ending position of the ith layer of deck; mark_DDescriptive information representing the i-th deck; BH_jRepresents the jth transverse bulkhead; NO_BA number representing the jth bulkhead; x_BThe longitudinal position of the jth transverse bulkhead is shown; z₁And Z₂Respectively showing the starting position and the ending position of the jth bulkhead in the vertical direction; mark_BDescriptive information representing the jth transverse bulkhead; LH_kRepresents the kth longitudinal bulkhead; NO_LA number representing the kth longitudinal bulkhead; y is_BIndicating the transverse position of the kth bulkhead; z₁And Z₂Respectively showing the vertical starting position and the vertical ending position of the kth longitudinal bulkhead; mark_LAnd (4) indicating the description information of the k-th longitudinal bulkhead.

Step 2, under the condition of meeting the requirements of standard constraint conditions, such as the position of an anti-collision bulkhead, the length of a cabin and the minimum distance between watertight bulkheads, and the like, a main ship body is separated through a main deck and transverse and longitudinal bulkheads, so that a main functional area is formed; based on the adjacent relation among the cabins, corresponding key cabins and channels are distributed in the main functional areas;

the cabins with similar functions are arranged in concentrated areas, and cabins which are not suitable for being adjacent are arranged in different areas, so that a regional cabin arrangement scheme is formed.

And 3, establishing a mathematical model for evaluating and optimizing the regional layout of the ship cabins, optimizing the regional layout of the key cabins in each functional region, expressing the association degree between the cabins through a grey association degree relation, wherein the influence factors influencing the association relation are environmental loads including mechanical noise, vibration caused by a propeller, the motion amplitude of the ship and the like. The design contents such as large surfaces and cabins and the design attributes such as adjacent relations among the cabins are expressed through a parameterization method. And using the obtained data as an input condition, and optimizing the regional cabin layout of the ship by using an evaluation calculation method based on the grey correlation degree. The objective function formula for the cabin zonal layout is as follows:

opt minU(x,L)＝min[1-(β₁U_global+β₂U_rel+β₃U_we)](2)

in the formula: u is an objective function of the cabin regional layout; x is a design variable and represents a cabin regional layout scheme; l is a random variable of the environmental load; u shape_globalIs a global position parameter; relative position parameter U of cabin distribution_relConstraint limits representing proximity or distancing between the cabins; u shape_weIs the weight distribution parameter of the cabin; beta is a_iThe weight coefficient (i 1,2,3) for each sub-target is determined by the designer.

And 4, setting the utility value of the environmental load of each main functional area of the whole ship, defining the environmental load of each cabin, selecting a proper iterative calculation method (such as a particle swarm algorithm), and distributing each cabin to be distributed to different functional areas according to design requirements.

The invention intensively arranges the cabins with the same function and close association degree to form the regional cabin arrangement, so that the operation flow can be orderly and efficiently carried out, the use efficiency of the cabins is effectively improved, and the overall efficiency of the ship operation is improved.

By the aid of the cabin regional layout method, using effects of the cabins and the channels are effectively improved, and theoretical basis is provided for the ship cabin regional layout optimization design.

The embodiments of the present invention have been described in detail, but the present invention is not limited to the above-described embodiments, which are only examples. Any equivalent modifications and substitutions for those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.