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Ship swaying motion test method based on virtual simulation platform

A technology of virtual simulation and test method, applied in the field of ship simulation, which can solve the problems of long period, high cost, and restrictions on the performance of ship swaying motion, and achieve the effect of shortening the test period and saving construction costs

Pending Publication Date: 2020-10-09
智慧航海(青岛)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional research method is mainly the physical tank model test, which restricts the research on the ship's swaying motion performance due to its high cost and long cycle.

Method used

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  • Ship swaying motion test method based on virtual simulation platform
  • Ship swaying motion test method based on virtual simulation platform

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Such as figure 1 as shown, figure 1 It shows a schematic flow chart of a test method for ship swaying motion based on a virtual simulation platform provided by an embodiment of the present invention. The method of this embodiment includes the following steps:

[0052] S1. Based on the virtual simulation platform, select a ship model that matches the actual ship to be analyzed.

[0053] For example, you can check whether there is a ship model matching the real ship to be analyzed in the virtual simulation platform; if so, select the ship model that matches the real ship to be analyzed; otherwise, in the 3D modeling interface of the virtual simulation platform, create / Import a ship model that matches the actual ship to be analyzed.

[0054] In particular, since there are many ships tested in the virtual simulation platform, all the ship models that will be established / imported during use can be saved. Therefore, in subsequent use, you can directly select the ship that ...

Embodiment 2

[0073] Such as figure 2 As shown, the embodiment of the present invention provides a kind of test method based on the ship swaying motion of virtual simulation platform, and this method comprises the following steps:

[0074] 1) Log in to the shaking motion test system;

[0075] 2) Access the model library, browse the saved models, and click the model to view the main scale coefficient of the current model;

[0076] 3) Judging whether there is a model in the model library that meets the test requirements: if the model in the model library is similar to the pre-analyzed ship and meets the test requirements, perform step 4), otherwise perform step A;

[0077] A. Enter the 3D modeling interface, establish / import the 3D model of the ship that meets the experimental requirements;

[0078] B. After importing the model into the model library, exit the modeling interface and access the model library.

[0079] It is understandable that the model library contains a large number of 3...

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Abstract

The invention discloses a ship swaying motion test method based on a virtual simulation platform, and the method comprises the steps: S1, selecting a ship model matched with a to-be-analyzed real shipbased on the virtual simulation platform; S2, setting hydrostatic performance parameters, motion state parameters and marine environment parameters of the ship model to enable the hydrostatic performance parameters, the motion state parameters and the marine environment parameters of the ship model to be matched with various parameters of the to-be-analyzed real ship; S3, meshing on the ship model and the drainage basin; s4, setting control parameters of the ship model for a swaying test; and S5, moving a solver of the ship model to generate a test result. The method is suitable for virtual analysis of ship swaying performance, and compared with a physical pool, the cost is saved, and the test period is shortened.

Description

technical field [0001] The invention relates to ship simulation technology, in particular to a test method for ship swaying motion based on a virtual simulation platform. Background technique [0002] The marine environment will interfere with the six degrees of freedom of the ship's sway, surge, heave, roll, pitch and yaw, which will affect the normal operation of the ship and even cause the ship to capsize in severe cases. Therefore, the prediction of the swaying motion response of ships in wind and waves is an important subject of ship seakeeping. The traditional research method is mainly the physical tank model test, which restricts the research on the ship's swaying motion performance due to its high cost and long cycle. [0003] How to realize the experimental method of ship swaying motion on the virtual simulation platform has become a technical problem to be solved at present. Contents of the invention [0004] The purpose of the present invention is to provide a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/15G06F30/28G06T17/00G01M10/00G06F113/08G06F119/14
CPCG06F30/15G06F30/28G06T17/00G01M10/00G06F2113/08G06F2119/14
Inventor 王晓原夏媛媛姜雨函朱慎超孙鑫万倩男孙懿飞
Owner 智慧航海(青岛)科技有限公司
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