National Key Laboratory, which is in charge of the Ministry of Education of the People's Republic of China and supported by Xi'an Jiaotong University
synonymState Key Laboratory of Mechanical Structure Strength and Vibration (Xi'an Jiaotong University)(State Key Laboratory under Xi'an Jiaotong University) generally refers to the national key laboratory for structural strength and life of major equipment in complex service environment
The predecessor of the National Key Laboratory for Strength and Mechanical Structures of Major Equipment in Complex Service Environment is the State Key Laboratory for Strength and Mechanical Structures, which was invested and constructed by the former National Planning Commission in August 1985;It was completed in October 1988 and opened to the public at home and abroad;In 2011, the Ministry of Science and Technology approved the reconstruction;In 2022, it will be reorganized as the national key laboratory of structural strength and life of major equipment in complex service environment.[1][13][17]
Guided by advanced satellite equipment (satellite) and clean energy equipment (heavy gas turbine, advanced nuclear energy), the laboratory focuses on strength and life design, and establishes a national technical system for structural strength and life research of major equipment in complex service environment through basic theory, core technology, standards and specifications.[2]
By June 2023, the total area of the laboratory is about 50000 square meters, and the total value of instruments and equipment is more than 200 million yuan;There are 103 fixed researchers, including more than 30 national level talents.[13]According to the data on the laboratory's official website in August 2023, the laboratory has two post doctoral research mobile stations, two doctoral degree authorization points in first-class disciplines, and two master's degree authorization points in first-class disciplines.[3]In 2019, there were 313 master students and 50 graduates in the laboratory;204 doctoral students and 41 graduates;63 post doctors, 17 in and 39 out of the station.[3]
Chinese name
National Key Laboratory of Structural Strength and Life of Major Equipment in Complex Service Environment
Foreign name
State Key Laboratory for Strength and Mechanical Structures
Date of establishment
October 1988
Organization address
No. 28, Xianning West Road, Beilin District, Xi'an, Shaanxi
competent department
Ministry of Education of the People's Republic of China
Current leaders
Laboratory director: Wang Tiejun、Director of Academic Committee: Fang Daining
Master's degree
2 first level disciplines authorized for academic degrees
Doctoral Program
2 first level disciplines authorized for academic degrees
In August 1985, the former State Planning Commission invested in the construction of the first batch of national key laboratories - "State Key Laboratory of Mechanical Structure Strength and Vibration".[1][17]
In October 1988, it was completed and opened to the public at home and abroad.[1][17]
On October 15, 2010, the declaration of national key laboratories was launched.[6]
On April 1, 2011, the Ministry of Science and Technology approved the establishment and reconstruction of the "State Key Laboratory of Mechanical Structure Strength and Vibration".[1][6]
On February 28, 2013, participated in the evaluation of national key laboratories, and the evaluation result was "good".[6]
On December 21, 2014, the project was approved by the Ministry of Science and Technology.[6]
On April 10, 2018, he participated in the evaluation of national key laboratories, and the evaluation result was "good".[6]
In 2022, it will be reorganized into the national key laboratory of structural strength and life of major equipment in complex service environment.[13]
On April 28, 2024, the laboratory won the honorary title of National Worker Pioneer.[20]
The laboratory won the honorary title of National Worker Pioneer
Scientific research conditions
Announce
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staff establishing
By June 2023, the laboratory has 103 fixed researchers, including more than 30 national level talents;69 people (67%) are aged 50 and below, and 27 people have obtained doctorates in overseas universities.[13]According to the data on the laboratory's official website in August 2023, there are 14 winners/principals of national major science and technology programs in the laboratory's research team (including 5 winners of National Science and Technology Fund for Distinguished Young Scholars and 3 winners of National Science and Technology Fund for Distinguished Young Scholars);17 people/58 people held international academic posts, including 4 people as chief editors of international academic journals.In 2019, the laboratory was selected into the National Science Fund for Distinguished Young Scholars (2 persons) and the National Overseas High level Talent Introduction Plan (1 person);One person was selected into the "Young Talent Promotion Project" of China Association for Science and Technology.[1]
National candidates for the "Hundred Thousand Talents Project":Shen Shengping
Young and middle-aged experts with outstanding national contributions:Shen Shengping
Ministry of Education "New Century Excellent Talents":Shen Shengping
Outstanding returned overseas students in Shaanxi Province:Shen Shengping[8]
Scientific research platform
As of June 2023, the laboratory has 1 NSFC innovation research group, 2 innovation research teams of the Ministry of Education, and 2 111 talent introduction plan teams of the State Administration of Foreign Experts Affairs/Ministry of Education.[1]
Innovative research group of National Natural Science Foundation of China:Mechanical behavior of light heterogeneous medium (rolling support)[14]
The 111 Talent Introduction Program Team of the State Administration of Foreign Experts Affairs/Ministry of Education:Innovation and talent introduction base for basic mechanics problems of lightweight materials and intelligent structures, and innovation and talent introduction base for fluid structure coupling mechanics and bionic technology of intelligent aircraft[16]
Innovation Research Team of the Ministry of Education
full name
Professional direction
Selected year
Plum cedar
Intelligent diagnosis and control of mechanical system (rolling support)
2015
Zhao Yulong
Micro/nano sensing and testing technology (rolling support)
2014
Plum cedar
Intelligent Diagnosis and Control of Mechanical Systems
2011
Zhao Yulong
Micro nano sensing and testing
2010
Lu Bingheng
Additive manufacturing technology
2006
Source:[15]
Instrument and equipment
By June 2023, the total value of laboratory instruments and equipment has exceeded 200 million yuan, including 72 sets of instruments and equipment above 400000 yuan (25 sets above 1000000 yuan, and 2 sets above 5000000 yuan);It has the only MTS biaxial material test system in Asia, and independently developed the highest (30m) drop weight impact test system in Asia;Build a complete multi field complex loading, microscopic analysis, nondestructive testing, strength and vibration experiment system from high temperature to low temperature, high speed to low speed, large load to small load.[13]
Based on the failure mechanism and strength theory of materials/structures, the macro and micro mechanisms of deformation, damage and fracture of materials/structures are mainly studied;Constitutive relationship of materials and failure mechanism of mechanical thermal chemical coupling;Strength theory, defect formation mechanism and nondestructive testing method of thermal barrier coating system;Multi field and multi-scale response and failure mechanism of structures under complex service conditions;Dynamic response and energy absorption mechanism of lightweight structures under abnormal service environment;New theory and technology of structural defect detection in supernormal multi field environment, multi field and multi-scale large-scale numerical calculation and new efficient algorithm for complex structures.It provides theory and method preparation for the whole life cycle safety management of mechanical structure design, manufacturing, service and maintenance.
Intelligent material mechanics and structural multifunction
Guided by the urgent need for the popularization and application of new smart materials, we carried out research on the design theory and method of smart materials multi-functional structures characterized by efficient energy absorption, efficient heat transfer, efficient vibration reduction and noise reduction, including: physical waves, heat transfer and multi field effects in smart materials and structures, innovative smart materials multi-functional structure optimization design theory, methods and preparation technology,Material structure integrated design methods such as load bearing, weight reduction, thermal management, vibration reduction, noise reduction, crashworthiness and energy absorption of structures, multidisciplinary collaborative design theory of material micro configuration and macro structure/component integration, realize the integrated design from intelligent material performance to structural performance.It provides analysis and design theory, experimental technology and numerical method for intelligent material design and structural multi-function.
Equipment structure vibration and reliability evaluation
Aiming at the high temperature, high pressure, impact, noise, vibration, strong overload, ultra-low frequency, complex electromagnetic coupling and other harsh comprehensive environments that the equipment bears in the service process, the research on the characterization, simulation, prediction and control methods of structural/environmental coupling effects and thermal acoustic vibration overload impact and other comprehensive mechanical environments was carried out,Including: information acquisition and limited information analysis methods in comprehensive mechanical environment, comprehensive mechanical environment simulation, test theory, methods and technologies, multi-scale analysis methods of structural response in comprehensive environment, virtual test theory and technology in comprehensive mechanical environment, thermal acoustic vibration coupling mechanism, transmission path, active and passive control and analysis methods of large structuresUltra low frequency vibration measurement and accurate control.It provides theoretical and technical support for promoting high-quality research and development of equipment structures in complex service environments.
Electromechanical system dynamics and control
With the background of high-speed and ultra-high speed rotating machinery and equipment, the common problems of system coupling dynamics in the process of material flow, energy flow and information flow transmission, interaction and collaborative organization when the system moves towards high-speed and ultra-high speed are studied by using the theory and method of system theoryThe law of the unity of opposites between them clarifies the causes of system complexity and the mechanism of dynamic singularity, including the nonlinear dynamic singularity of complex electromechanical systems, the cooperative mechanism of material flow, energy flow and information flow in complex electromechanical systems, and the dynamics of high-speed rotor failure.
Source:[9]
research findings
survey
As of March 2023, the laboratory has undertaken more than 300 important national scientific research tasks and won 17 national science and technology awards, including 6 natural science awards, 10 scientific and technological progress awards and 1 technological invention award;The theoretical achievements have supported the on orbit operation of China's "Beidou" precision pointing system, the full load operation of the first F-class heavy gas turbine, the global first reactor grid connected power generation of the "Hualong No.1" nuclear power turbine unit, and other tasks. Three achievements have been selected into the "2020 Top Ten Central Enterprises", the national "13th Five Year Plan" scientific and technological innovation achievements exhibition, and so on.[2]According to the data on the laboratory's official website in August 2023, the laboratory has authorized 98 invention patents (including one in the United States and one in Iran);7 pieces of software are registered.[11]
Academic treatise
According to the official website data of the laboratory in August 2023, the laboratory signed its name as the laboratory, and published 415 papers in international journals in the field of mechanical structure strength and vibration, such as Nano Energy (IF15.548), Adv. Function. Mater. (IF15.261), ACS Nano (IF13.903), Science Adv., Phys. Rev. Letters, J. Mech. Phys. Solids, Int. J. Solids Structure., ASME JAM, and 20 papers entered ESI;On《Journal of Mechanics》《Journal of Solid Mechanics》《Chinese science》《Journal of Mechanical Engineering》51 papers published in Chinese domestic journals;Published 5 monographs.[11]
Research Award
time
Award category
Name of achievements
awardee
2019
First Prize of National Natural Science Award
Electromechanical Coupling Theory and Application of Flexoelectric Materials and Structures
Shen Shengping, Liang Xu
2019
First Prize of Shaanxi Province Technological Invention
Key Technology and Evaluation Method of Thermal Barrier Coating Preparation for Heavy Duty Gas Turbine and Its Application
Wang Tiejun
2019
Second Prize of Science and Technology of China Machinery Industry
Technology and Application of Spaceborne Large Aperture Ultra High Precision Metal Mesh Antenna
Xu Minglong
2019
The 7th China Excellent Publication Award
Advanced Gas Turbine Design and Manufacturing Foundation Monograph Series (7 volumes)
Wang Tiejun
Source:[12]
personnel training
Announce
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Discipline construction
Discipline system
According to the data on the laboratory's official website in August 2023, the laboratory has two post doctoral research mobile stations, two doctoral degree authorization points in first-class disciplines, and two master's degree authorization points in first-class disciplines.[3]
Post doctoral research mobile station:Mechanics, aerospace science and technology
First level discipline doctoral degree authorization point:Mechanics, aerospace science and technology
The first level discipline master's degree authorization point:Mechanics, aerospace science and technology[3]
Key disciplines
According to the official website data of the laboratory in August 2023, the laboratory has one national second level key discipline.[7]
National secondary key disciplines:solid mechanics[7]
Teaching construction
Training data
The laboratory has trained academicians of the American Academy of Sciences and the American Academy of EngineeringSuo Zhigang(1985), academician of American Academy of Sciences and Engineering, foreign academician of Chinese Academy of SciencesGao Huajian(1982).In 2019, there were 313 master students and 50 graduates in the laboratory;204 doctoral students and 41 graduates;63 post doctors, 17 in and 39 out of the station.[3]As of March 2023, laboratory students have won the world championship of the SAE Aircraft Design Challenge, the gold medal of the Internet+Undergraduate Innovation and Entrepreneurship Competition, and were selected as the person of the year of Chinese college students in 2020.[2]
Rewards for teaching achievements
As of March 2023, the laboratory has won the second prize of National Teaching Achievement Award, Provincial Teaching Achievement Grand Prize, Wang Kuancheng Talent Cultivation Award, Wang Kuancheng Young Scholar Award, etc.[2]
time
Award name
Name of achievements
awardee
2015
Special Prize for Teaching Achievements in Shaanxi Province
The logo of the laboratory is composed of English letters "V" and "S" in series. "V" stands for Vibration, and "S" stands for Strength, indicating that the main research content of the laboratory is mechanical structure strength and vibration.[1]
