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A Further Discussion on Trends in the Development of Advanced Manufacturing Technology

YANG Shu-zi, WU Bo, LI Bin

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1, Pages 1-5 doi: 10.1007/s11465-005-0002-y

Abstract:

This paper is a supplement to Trends in the Development of Advanced Manufacturing Technology (Yang and Wu in Chin. J. Mech. Eng., 39: 73, 2003) but delves deeper into it. It first points out the strategic status of manufacturing industry in state development. Then, a detailed analysis is given on the features and trends in the development of advanced manufacturing technology in a total of 12 points from three aspects: precision, extreme, and culture from the aspect of the product itself; green, rapidness, saving, and efficiency during the manufacturing process; and digit, auto, integration, networking, and intelligence in view of the manufacturing method. In addition, it emphasizes that all the above aspects should be based on two base points: manufacture and machinery. Finally, it puts forth the guiding ideologies for the development of advanced manufacturing technology and the aspects China should give priority to in development, while stressing on the principles of independence, innovation and human orientation.

Keywords： Development development integration networking orientation

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A preliminary analysis and discussion of the condominium building collapse in surfside, Florida, US,

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5, Pages 1097-1110 doi: 10.1007/s11709-021-0766-0

Abstract: On June 24, 2021, a 40-year-old reinforced concrete flat plate structure building in Miami suffered a sudden partial collapse. This study analyzed the overall performance and key components of the collapsed building based on the building design codes (ACI-318 and GB 50010). Punching shear and post-punching performances of typical slab-column joints are also studied through the refined finite element analysis. The collapse process was simulated and visualized using a physics engine. By way of these analyses, weak design points of the collapsed building are highlighted. The differences between the reinforcement detailing of the collapsed building and the requirements of the current Chinese code are discussed, together with a comparison of the punching shear and post-punching performances. The simulated collapse procedure and debris distribution are compared with the actual collapse scenes.

Keywords： progressive collapse flat plate simulation punching

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Research and discussion on the construction technology standards of high-speed railway in China

An Guodong

Strategic Study of CAE 2010, Volume 12, Issue 3, Pages 15-21

Abstract:

High-speed railway represents the developing direction of railways in the world. Systematically researching the basic theories, engineering construction and operation practice of high-speed railways in China has great significance to speed up the construction of world-classhigh-speed railway sandrealize the strategic target of“going-out” for China' s railway technology.Based on alarge quantity of the oretical and testing researches and construction practices, this paper systematically researched the main design standards of high-speed railways in China,
and the comprehensive testing results of Beijing-Tianjininter-city railway and Wuhan-Guangzhouhigh-speed railways how the main technology standards can satisfy the safety and stability requirements of 350 km/h railways and the quality of lines reaches world advanced level.

Keywords： high-speedrailway，design standard，research，discussion

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A discussion of objective function representation methods in global optimization

Panos M. PARDALOS, Mahdi FATHI

Frontiers of Engineering Management 2018, Volume 5, Issue 4, Pages 515-523 doi: 10.15302/J-FEM-2018044

Abstract:

Non-convex optimization can be found in several smart manufacturing systems. This paper presents a short review on global optimization (GO) methods. We examine decomposition techniques and classify GO problems on the basis of objective function representation and decomposition techniques. We then explain Kolmogorov’s superposition and its application in GO. Finally, we conclude the paper by exploring the importance of objective function representation in integrated artificial intelligence, optimization, and decision support systems in smart manufacturing and Industry 4.0.

Keywords： global optimization decomposition techniques multi-objective DC programming Kolmogorov’s superposition space-filling curve smart manufacturing and Industry 4.0

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Urban design based on public safety-Discussion on safety-based urban design

Kaizhen CAI, Jianguo WANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2, Pages 219-227 doi: 10.1007/s11709-009-0023-4

Abstract: Because of public safety problems in construction of urban surroundings, this paper expounds the necessity of the study on public safety-based urban design in perspective of modern city. It brings forward the concept of safety-based urban design and attempts to explore the basic connotation and contents with framework for studies.

Keywords： urban public safety urban design safety-based urban design

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Discussion on advanced manufacturing

WANG Xiankui

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3, Pages 251-262 doi: 10.1007/s11465-007-0044-4

Abstract: Advanced manufacturing consists of continuity of manufacturing, its broad sense, and the core of the manufacturing process. The technology of continuous manufacturing is discussed according to both historical and modern perspectives. The relationship between human development and manufacturing technology is also discussed. Manufacturing is a continuously evolving topic. It is not only the foundation and means of imagination, conception, the science, and the technology of material change, but also the expression of national economy, national defense, and the support industries. The broad sense of manufacturing theory, which extends the concept of manufacturing, is an important development in the 20th century. The sense is analyzed in connection with design, material forming theory, synthesis of manufacturing technology, manufacturing modes, life cycle of product, hardware and software, and support environment, etc. At the same time, the core action and the development of the theory and technology of process is also discussed. At the end of this paper, the development directions of mechanical manufacturing science and technology are mentioned.

Keywords： development national manufacturing process support environment mechanical manufacturing

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China’s Sponge City construction: A discussion on technical approaches

Haifeng Jia, Zheng Wang, Xiaoyue Zhen, Mike Clar, Shaw L. Yu

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0984-9

Abstract: Since 2014, China has been implementing the Sponge City Construction initiative, which represents an enormous and unprecedented effort by any government in the world for achieving urban sustainability. According to preliminary estimates, the total investment on the Sponge City Plan is roughly 100 to 150 million Yuan (RMB) ($15 to $22.5 million) average per square kilometer or 10 Trillion Yuan (RMB) ($1.5 Trillion) for the 657 cities nationwide. The Sponge City Plan (SCP) calls for the use of natural processes such as soil and vegetation as part of the urban runoff control strategy, which is similar to that of low impact development (LID) and green infrastructure (GI) practices being promoted in many parts of the world. The SCP includes as its goals not only effective urban flood control, but also rainwater harvest, water quality improvement and ecological restoration. So far, the SCP implementation has encountered some barriers and challenges due to many factors. The present paper presents a review of those barriers and challenges, offers discussions and recommendations on several technical aspects such as control goals and objectives; planning/design and construction of LID/GI practices; performance evaluation. Several key recommendations are proposed on Sponge City implementation strategy, Site-specific regulatory framework and technical guidance, Product innovation and certification, LID/GI Project financing, LID/GI professional training and certification, public outreach and education. It is expected that the successful implementation of the SCP not only will bring about a sustainable, eco-friendly urbanization process in China, but also contribute enormously to the LID/GI research and development with the vast amount of relevant data and experiences generated from the Sponge City construction projects.

Keywords： Low impact development (LID) Green infrastructure (GI) Sponge City Barriers Construction strategies

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Discussion on Problem-Based Engineering Management System

Qiao Xiang

Frontiers of Engineering Management 2015, Volume 2, Issue 3, Pages 249-260 doi: 10.15302/J-FEM-2015054

Abstract: The paper puts forward the idea of problem-based engineering management, expounds its connotation and guiding ideology and moreover, substantially demonstrates its practical significance in the engineering management system for the maintenance of Chinese military aircraft engines.

Keywords： problem engineering management system

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Discussion on the System Optimization of the Energy Development Strategy and Plan

Da-di Zhou

Frontiers of Engineering Management 2014, Volume 1, Issue 2, Pages 147-152 doi: 10.15302/J-FEM-2014022

Abstract: Energy is an important basis for economic and social development, and is a critical economic sector. Due to the complexity of the energy system, the interactive relationship with economic and social development, and the enormous investment involved, the optimization of the energy system is of great significance. We should make efforts to develop targets and specific approaches for the rational and optimal development of an energy system in order to avoid big losses due to systematic mistakes.

Keywords： energy development strategy planning system system optimization

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Discussion on technological innovation in petrochemical enterprise

Hou Xianglin

Strategic Study of CAE 1999, Volume 1, Issue 1, Pages 36-37

Abstract:

创新是进步的灵魂。社会的发展，文明的进步无不赖于创新。企业的技术创新应以提高经济效益为目的。要获得好的创新成果，需要有一个好的创新环境。在客观上要创造有利于科技人员创新的环境，在主观上要求科技人员解放思想，敢于标新立异；同时又要实事求是，深入学习前人、他人的成果和经验。

Keywords：石化企业技术创新

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Discussion on Security Management of Dangerous Goods Logistics in China

Luo Yixin

Strategic Study of CAE 2006, Volume 8, Issue 2, Pages 90-94

Abstract:

China's logistics industry is still in the initial development stage, and many problems are to be solved. Security management of dangerous goods transportation is one of the issues that worth full concern. The author analyzes the major difficulties and problems existing in the security management of dangerous goods transportation, and brings forward corresponding measures against these problems.

Keywords： dangerous goods logistics security measures

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Discussion of solutions to ethical issues in real-world study

Sicheng Wang,Baoyan Liu,Ningning Xiong,Qi Xie,Runshun Zhang,Xuezhong Zhou,Jie Qiao

Frontiers of Medicine 2014, Volume 8, Issue 3, Pages 316-320 doi: 10.1007/s11684-014-0354-y

Abstract:

In recent years, the paradigm of real-world study (RWS) has been at the forefront of clinical research worldwide, particularly in the field of traditional Chinese medicine. In this paper, basic features and nature of real-world clinical studies are discussed, and ethical issues in different stages of RWS are raised and reviewed. Moreover, some preliminary solutions to these issues, such as protecting subjects during the process of RWS and performing ethical review, are presented based on recent practices and basic ethical rules to improve the scientific validity and ethical level of RWS.

Keywords： real-world study ethics strategy

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Discussion on design method of DX pile

Chen Fei,Chen Lihong

Strategic Study of CAE 2012, Volume 14, Issue 1, Pages 60-64

Abstract:

Different industry has different calculation method for bearing capacity of pile. Industry of railway, high way and building treat the tip bearing capacity of pile in different ways. DX pile is a new kind of varied cross-section pile. Applying calculation methods in the specification of these three industries on DX pile will induce significant different results. Based on 18 case of DX pile, the difference of calculation methods were discussed and a new design method for DX pile of bridge was proposed.

Keywords： DX pile bearing capacity specification design methods

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A Discussion on Some Critical Issues of Metro Network Planning

Quan Yongshen

Strategic Study of CAE 2000, Volume 2, Issue 4, Pages 75-82

Abstract:

Many cities in China are now experiencing the booming period of metro construction. A critical and urgent problem is how to work out a sound network planning for the metro system before the concrete line implementation. Based on the experiences of metro network planning in China these years, the paper intends to explore some critical issues in this field. That includes the reasoning of the rational scale of the metro system, the spacial form and framework planning and the integration of the metro system with other public transport systems in the city.

Keywords： metro network planning

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Discussion About Influence of Microgrid Number on Microsegregation Simulation

Liu Yonggang,Sun Yu,Sun Guoxiong

Strategic Study of CAE 2004, Volume 6, Issue 2, Pages 77-81

Abstract:

Micro simulation of solidification process is one of the focuses in material field, and simulation on microsegregation forming has important effect on directing materials processing. But papers about this field were seldom found on domestic publications. Influence of micro time steps on microsegregation simulation results was investigated in this paper and it is pointed out that the relation between the micro time steps and the microsegregation simulation results is weak for iterative method based microsegregation simulation. It is not necessary for using a large number of micro grids to converge the calculated results.

Keywords： microsegregation simulation micro grid