Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 6. Отображено 6.
05-11-2014 дата публикации

Damage process simulation method of composite material laminate plate

Номер: CN104133930A
Автор: ZHANG YINXUAN
Принадлежит:

The invention belongs to the field of airplane design, and relates to a damage process simulation method of a composite material laminate plate under low-velocity impact. The damage process simulation method of the composite material laminate plate is characterized in that a numerical value simulation analysis method of the low-velocity impact damage of the composite material laminate plate by adopting an ABAQUS user subprogram is provided, and the numerical value simulation of the damage starting, accumulation to damage processes of a composite material structure can be carried out. The invention has the beneficial effects that a damage process during the bearing of the laminate plate can be clearly known, and a technical means is provided for effectively analyzing the structural damage tolerance of the composite material laminate plate in an airplane structure.

Подробнее
Номер записи: 1
04-03-2015 дата публикации

Finite element modeling method of flexible liquid injection structure for different media

Номер: CN104392038A
Автор: QIU TAO, ZHANG YINXUAN, ZHOU YIXUN
Принадлежит:

The invention relates to the field of the airplane structural mechanics analysis, in particular to a finite element modeling method of a flexible liquid injection structure for different media. The method includes the steps of establishing a finite element analysis geometric model according to geometric parameters of an actual structure, selecting corresponding units according to the mechanics characteristics of different media, simulating the constitutive characteristics of fluid through a modulus-variable unit, and simulating the transmission between the fluid and a flexible skin through a binding and constraining method by means of a fluid unit and a solid unit. The method is simple in process and convenient to operate, and the workloads of the finite element analysis on the flexible liquid injection structure for different media are greatly reduced.

Подробнее
Номер записи: 2
11-03-2015 дата публикации

Flexible envelope for self-adaption swell air inlet channel

Номер: CN104401497A
Автор: QIU TAO, ZHOU YIXUN, JIN CHENGZHONG, ZHANG YINXUAN, WANG YAN
Принадлежит:

The invention belongs to the technical field of an aviation structure design and relates to a flexible envelope for a self-adaption swell air inlet channel. The flexible envelope is formed by compounding an elastic adhesive film and a high-elastic fiber; the elastic adhesive film is served as a substrate material and has a membrane structure which is formed by processing rubber and has certain thickness and elasticity; the high-elastic fiber is served as a reinforcing material which is formed into a netted structure by arraying a warp fiber and a weft fiber in a crossing form and is embedded into the elastic adhesive film; the high-elastic fiber is deformed following the elastic adhesive film; under the maximal deforming state, the flexible envelope can reach the highest molded surface of the self-adaption swell air inlet channel. According to the invention, the swell molded surface of the air inlet channel can repeatedly change the shape in a certain scope, so that the area of a throat ...

Подробнее
Номер записи: 3
28-04-2023 дата публикации

Method for analyzing motion state of snowmobile sled and readable storage medium

Номер: CN116029040A
Автор: LI XINGGANG, LIU ZIQI, CAO YING, QIU JIANBING, YAO ZHIWEI, ZHANG YINXUAN, TAN ZEYANG
Принадлежит:

The invention discloses a method for analyzing the motion state of a snowmobile sleigh, a readable storage medium and a snowmobile sleigh racing track design method.The method comprises the following steps that S1, according to the characteristics of a snowmobile sleigh body and a snowmobile sleigh racing track, a snowmobile sleigh motion equation, a center line design formula and a three-dimensional curved surface design formula are prepared; the motion trail, speed and acceleration of the snowmobile sled body are obtained through the snowmobile sled motion equation; s2, carrying out site evaluation: carrying out auxiliary evaluation on site integrating degree according to a snowmobile sled motion equation and a center line design formula; s3, center line design: designing a track center line according to a snowmobile sled motion equation and a center line design formula; and S4, designing a three-dimensional curved surface of the racing track: designing the three-dimensional curved surface ...

Подробнее
Номер записи: 4
26-05-2023 дата публикации

Aircraft maneuvering characteristic real-time prediction method based on digital twinning

Номер: CN116167153A
Автор: WU JIANGPENG, ZHANG YINXUAN, CHEN LIANG, GU YUXUAN
Принадлежит:

The invention provides an aircraft maneuvering characteristic real-time prediction method based on digital twinning. The method comprises the steps that firstly, a digital twinning model capable of accurately representing the strength and/or rigidity characteristics of an aircraft body is constructed; secondly, the digital twinborn model for representing the strength and/or rigidity characteristics of the airplane body and the digital-physical twinborn body formed by the airplane physical entity are kept consistent in the initial physical state; acquiring a data set generated by the physical twin of the aircraft in a manufacturing stage and endowing the data set with a digital twin; thirdly, predicting airplane strength and/or rigidity characteristics by using the airplane body digital twinning model; fourthly, determining the stress and strain parameters of the current airplane body structure based on the predicted airplane strength and/or rigidity characteristic result so as to determine ...

Подробнее
Номер записи: 5
13-06-2023 дата публикации

Detachable box column connecting structure

Номер: CN116254928A
Автор: REN QINGYING, HAO JIASHU, LIU WENTING, ZHANG XIAOMENG, LI SEN, LI XINGGANG, ZHANG YINXUAN, LIANG XU, LI HUAN
Принадлежит:

The invention discloses a detachable box column connecting structure. The detachable box column connecting structure comprises an upper box column and a lower box column, and the connecting structures are respectively arranged along the axial direction and the radial direction of the two box-type columns and are used for fixing the upper box-type column and the lower box-type column together. The detachable box type column connecting structure is simple in form and reasonable in stress, on the premise that the connecting strength is guaranteed, the full-bolt column-column connecting mode of the box type column is optimized, space occupied by traditional column-column flange type connection is reduced, the column-column connecting assembly efficiency is improved, and the cost is reduced. The parts of the detachable box column connecting structure can be repeatedly used.

Подробнее
Номер записи: 6